migrate to typescript

eslint.config.mjs

@@ -1,36 +1,39 @@
-import globals from 'globals';
+import pluginVue from 'eslint-plugin-vue';
+import vueTsEslintConfig from '@vue/eslint-config-typescript';
 
-import path from 'node:path';
-import { fileURLToPath } from 'node:url';
-
-import js from '@eslint/js';
-import { FlatCompat } from '@eslint/eslintrc';
-import { includeIgnoreFile } from '@eslint/compat';
-
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
-const gitignorePath = path.resolve(__dirname, '.gitignore');
-
-const compat = new FlatCompat({
-    baseDirectory: __dirname,
-    recommendedConfig: js.configs.recommended,
-    allConfig: js.configs.all
-});
-
-export default [...compat.extends('eslint:recommended', 'plugin:vue/vue3-essential'),
-    includeIgnoreFile(gitignorePath), {
+export default [
+    ...pluginVue.configs['flat/essential'],
+    ...vueTsEslintConfig(),
+    {
         languageOptions: {
-        globals: {
-            ...globals.node,
+            parserOptions: {
+                projectService: true,
+                tsconfigRootDir: import.meta.dirname,
+            }
         },
     },
+    {
+        ignores: [
+            'dist/**',
+            '**/*.{js,jsx,cjs,mjs}'
+        ]
+    },
+    {
         files: [
-        "**/*.{vue,js,jsx,cjs,mjs}"
+            '**/*.{vue,ts,tsx,mts,js,jsx,cjs,mjs}'
         ],
         rules: {
-        'vue/no-use-v-if-with-v-for': 'off',
-        'vue/valid-v-slot': ['error', {
-            allowModifiers: true,
+            '@typescript-eslint/no-this-alias': ['error', {
+                allowedNames: ['self']
             }],
+            'vue/valid-v-slot': ['error', {
+                allowModifiers: true
+            }],
+            'vue/block-lang': ['error', {
+                script: {
+                    lang: ['ts', 'js']
+                }
+            }],
+        }
     },
-}];
+];

package.json

@@ -15,7 +15,7 @@
     "serve": "cross-env NODE_ENV=development vite",
     "build": "cross-env NODE_ENV=production vite build",
     "serve:dist": "vite preview",
-    "lint": "eslint . --fix"
+    "lint": "tsc --noEmit && eslint . --fix"
   },
   "dependencies": {
     "@mdi/js": "^7.4.47",
@@ -47,20 +47,25 @@
     "vuetify": "^3.7.6"
   },
   "devDependencies": {
-    "@eslint/compat": "^1.2.4",
-    "@eslint/eslintrc": "^3.2.0",
-    "@eslint/js": "^9.17.0",
+    "@tsconfig/node22": "^22.0.0",
+    "@types/crypto-js": "^4.2.2",
+    "@types/git-rev-sync": "^2.0.2",
+    "@types/node": "^22.10.2",
+    "@types/ua-parser-js": "^0.7.39",
     "@vitejs/plugin-vue": "^5.2.1",
+    "@vue/eslint-config-typescript": "^14.1.3",
+    "@vue/tsconfig": "^0.7.0",
     "cross-env": "^7.0.3",
     "eslint": "^9.17.0",
     "eslint-plugin-vue": "^9.32.0",
     "git-rev-sync": "^3.0.2",
-    "globals": "^15.14.0",
     "postcss-preset-env": "^10.1.2",
     "sass": "^1.83.0",
+    "typescript": "^5.7.2",
     "vite": "^6.0.5",
     "vite-plugin-pwa": "^0.21.1",
-    "vite-plugin-vuetify": "^2.0.4"
+    "vite-plugin-vuetify": "^2.0.4",
+    "vue-tsc": "^2.1.10"
   },
   "browserslist": [
     "> 1%",

src/DesktopApp.vue

@@ -26,10 +26,11 @@ import { useUserStore } from '@/stores/user.js';
 import { useTokensStore } from '@/stores/token.js';
 import { useExchangeRatesStore } from '@/stores/exchangeRates.js';
 
-import assetConstants from '@/consts/asset.js';
-import { isProduction } from '@/lib/version.js';
+import { APPLICATION_LOGO_PATH } from '@/consts/asset.ts';
+import { ThemeType } from '@/core/theme.ts';
+import { isProduction } from '@/lib/version.ts';
 import { loadMapAssets } from '@/lib/map/index.js';
-import { getSystemTheme, setExpenseAndIncomeAmountColor } from '@/lib/ui.js';
+import { getSystemTheme, setExpenseAndIncomeAmountColor } from '@/lib/ui/common.ts';
 
 export default {
     data() {
@@ -40,7 +41,7 @@ export default {
     computed: {
         ...mapStores(useRootStore, useSettingsStore, useUserStore, useTokensStore, useExchangeRatesStore),
         ezBookkeepingLogoPath() {
-            return assetConstants.ezBookkeepingLogoPath;
+            return APPLICATION_LOGO_PATH;
         },
         currentNotificationContent() {
             return this.rootStore.currentNotification;
@@ -55,10 +56,10 @@ export default {
         const self = this;
         const theme = useTheme();
 
-        if (self.settingsStore.appSettings.theme === 'light') {
-            theme.global.name.value = 'light';
-        } else if (self.settingsStore.appSettings.theme === 'dark') {
-            theme.global.name.value = 'dark';
+        if (self.settingsStore.appSettings.theme === ThemeType.Light) {
+            theme.global.name.value = ThemeType.Light;
+        } else if (self.settingsStore.appSettings.theme === ThemeType.Dark) {
+            theme.global.name.value = ThemeType.Dark;
         } else {
             theme.global.name.value = getSystemTheme();
         }
@@ -66,9 +67,9 @@ export default {
         window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', function (e) {
             if (self.settingsStore.appSettings.theme === 'auto') {
                 if (e.matches) {
-                    theme.global.name.value = 'dark';
+                    theme.global.name.value = ThemeType.Dark;
                 } else {
-                    theme.global.name.value = 'light';
+                    theme.global.name.value = ThemeType.Light;
                 }
             }
         });

src/MobileApp.vue

@@ -15,21 +15,22 @@ import { useUserStore } from '@/stores/user.js';
 import { useTokensStore } from '@/stores/token.js';
 import { useExchangeRatesStore } from '@/stores/exchangeRates.js';
 
-import assetConstants from '@/consts/asset.js';
-import { isProduction } from '@/lib/version.js';
+import { APPLICATION_LOGO_PATH } from '@/consts/asset.ts';
+import { ThemeType } from '@/core/theme.ts';
+import { isProduction } from '@/lib/version.ts';
 import { getTheme, isEnableAnimate } from '@/lib/settings.js';
 import { loadMapAssets } from '@/lib/map/index.js';
-import { setExpenseAndIncomeAmountColor } from '@/lib/ui.js';
-import { isModalShowing, setAppFontSize } from '@/lib/ui.mobile.js';
+import { setExpenseAndIncomeAmountColor } from '@/lib/ui/common.ts';
+import { isModalShowing, setAppFontSize } from '@/lib/ui/mobile.js';
 
 export default {
     data() {
         const self = this;
         let darkMode = 'auto';
 
-        if (getTheme() === 'light') {
+        if (getTheme() === ThemeType.Light) {
             darkMode = false;
-        } else if (getTheme() === 'dark') {
+        } else if (getTheme() === ThemeType.Dark) {
             darkMode = true;
         }
 
@@ -112,7 +113,7 @@ export default {
             if (newValue) {
                 f7ready((f7) => {
                     self.notification = f7.notification.create({
-                        icon: `<img alt="logo" src="${assetConstants.ezBookkeepingLogoPath}" />`,
+                        icon: `<img alt="logo" src="${APPLICATION_LOGO_PATH}" />`,
                         title: self.$t('global.app.title'),
                         text: newValue,
                         closeOnClick: true,

src/components/common/MapView.vue

@@ -11,7 +11,7 @@
 <script>
 import {
     copyObjectTo
-} from '@/lib/common.js';
+} from '@/lib/common.ts';
 import {
     createMapHolder,
     initMapInstance,

src/components/desktop/AmountInput.vue

@@ -34,8 +34,8 @@ import { mapStores } from 'pinia';
 import { useSettingsStore } from '@/stores/setting.js';
 import { useUserStore } from '@/stores/user.js';
 
-import transactionConstants from '@/consts/transaction.js';
-import { removeAll } from '@/lib/common.js';
+import { TRANSACTION_MIN_AMOUNT, TRANSACTION_MAX_AMOUNT } from '@/consts/transaction.ts';
+import { removeAll } from '@/lib/common.ts';
 import logger from '@/lib/logger.js';
 
 export default {
@@ -76,7 +76,7 @@ export default {
                             return self.$t('Amount value is not number');
                         }
 
-                        return (val >= transactionConstants.minAmountNumber && val <= transactionConstants.maxAmountNumber) || self.$t('Amount value exceeds limitation');
+                        return (val >= TRANSACTION_MIN_AMOUNT && val <= TRANSACTION_MAX_AMOUNT) || self.$t('Amount value exceeds limitation');
                     } catch (ex) {
                         logger.warn('cannot parse amount in amount input, original value is ' + v, ex);
                         return self.$t('Amount value is not number');
@@ -222,7 +222,7 @@ export default {
             }
 
             let decimalLength = 0;
-            let decimalIndex = str.indexOf(decimalSeparator);
+            const decimalIndex = str.indexOf(decimalSeparator);
 
             if (decimalIndex >= 0) {
                 decimalLength = str.length - str.indexOf(decimalSeparator) - 1;
@@ -285,16 +285,16 @@ export default {
             e.preventDefault();
         },
         getValidFormattedValue(value, textualValue, hasDecimalSeparator) {
-            let maxLength = transactionConstants.maxAmountNumber.toString().length;
+            let maxLength = TRANSACTION_MAX_AMOUNT.toString().length;
 
             if (value < 0) {
-                maxLength = transactionConstants.minAmountNumber.toString().length;
+                maxLength = TRANSACTION_MIN_AMOUNT.toString().length;
             }
 
-            if (value < transactionConstants.minAmountNumber) {
-                return this.getFormattedValue(this.userStore, transactionConstants.minAmountNumber);
-            } else if (value > transactionConstants.maxAmountNumber) {
-                return this.getFormattedValue(this.userStore, transactionConstants.maxAmountNumber);
+            if (value < TRANSACTION_MIN_AMOUNT) {
+                return this.getFormattedValue(this.userStore, TRANSACTION_MIN_AMOUNT);
+            } else if (value > TRANSACTION_MAX_AMOUNT) {
+                return this.getFormattedValue(this.userStore, TRANSACTION_MAX_AMOUNT);
             }
 
             if (!hasDecimalSeparator && textualValue.length > maxLength) {

src/components/desktop/ColorSelect.vue

@@ -39,10 +39,10 @@
 </template>
 
 <script>
-import colorConstants from '@/consts/color.js';
-import { arrayContainsFieldValue } from '@/lib/common.js';
-import { getColorsInRows } from '@/lib/color.js';
-import { scrollToSelectedItem } from '@/lib/ui.desktop.js';
+import { DEFAULT_ICON_COLOR } from '@/consts/color.ts';
+import { arrayContainsFieldValue } from '@/lib/common.ts';
+import { getColorsInRows } from '@/lib/color.ts';
+import { scrollToSelectedItem } from '@/lib/ui/desktop.js';
 
 import {
     mdiSquareRounded,
@@ -89,7 +89,7 @@ export default {
             return arrayContainsFieldValue(row, 'id', this.modelValue);
         },
         getFinalColor(color) {
-            if (color && color !== colorConstants.defaultAccountColor) {
+            if (color && color !== DEFAULT_ICON_COLOR) {
                 return '#' + color;
             } else {
                 return 'var(--default-icon-color)';

src/components/desktop/ConfirmDialog.vue

@@ -15,7 +15,7 @@
 </template>
 
 <script>
-import { isString } from '@/lib/common.js';
+import { isString } from '@/lib/common.ts';
 
 export default {
     props: [

src/components/desktop/DateRangeSelectionDialog.vue

@@ -60,7 +60,8 @@ import { mapStores } from 'pinia';
 import { useUserStore } from '@/stores/user.js';
 
 import datetimeConstants from '@/consts/datetime.js';
-import { arrangeArrayWithNewStartIndex } from '@/lib/common.js';
+import { ThemeType } from '@/core/theme.ts';
+import { arrangeArrayWithNewStartIndex } from '@/lib/common.ts';
 import {
     getCurrentUnixTime,
     getCurrentYear,
@@ -122,7 +123,7 @@ export default {
             }
         },
         isDarkMode() {
-            return this.globalTheme.global.name.value === 'dark';
+            return this.globalTheme.global.name.value === ThemeType.Dark;
         },
         firstDayOfWeek() {
             return this.userStore.currentUserFirstDayOfWeek;

src/components/desktop/DateTimeSelect.vue

@@ -43,7 +43,8 @@ import { useTheme } from 'vuetify';
 import { mapStores } from 'pinia';
 import { useUserStore } from '@/stores/user.js';
 
-import { arrangeArrayWithNewStartIndex } from '@/lib/common.js';
+import { ThemeType } from '@/core/theme.ts';
+import { arrangeArrayWithNewStartIndex } from '@/lib/common.ts';
 import {
     getCurrentYear,
     getTimezoneOffsetMinutes,
@@ -90,7 +91,7 @@ export default {
             }
         },
         isDarkMode() {
-            return this.globalTheme.global.name.value === 'dark';
+            return this.globalTheme.global.name.value === ThemeType.Dark;
         },
         firstDayOfWeek() {
             return this.userStore.currentUserFirstDayOfWeek;

src/components/desktop/IconSelect.vue

@@ -37,9 +37,9 @@
 </template>
 
 <script>
-import { arrayContainsFieldValue } from '@/lib/common.js';
-import { getIconsInRows } from '@/lib/icon.js';
-import { scrollToSelectedItem } from '@/lib/ui.desktop.js';
+import { arrayContainsFieldValue } from '@/lib/common.ts';
+import { getIconsInRows } from '@/lib/icon.ts';
+import { scrollToSelectedItem } from '@/lib/ui/desktop.js';
 
 import {
     mdiCheck

src/components/desktop/ItemIcon.vue

@@ -12,9 +12,9 @@
 </template>
 
 <script>
-import iconConstants from '@/consts/icon.js';
-import colorConstants from '@/consts/color.js';
-import { isNumber } from '@/lib/common.js';
+import { ALL_ACCOUNT_ICONS, DEFAULT_ACCOUNT_ICON, ALL_CATEGORY_ICONS, DEFAULT_CATEGORY_ICON } from '@/consts/icon.ts';
+import { DEFAULT_ICON_COLOR, DEFAULT_ACCOUNT_COLOR, DEFAULT_CATEGORY_COLOR } from '@/consts/color.ts';
+import { isNumber } from '@/lib/common.ts';
 
 import {
     mdiEyeOffOutline
@@ -74,25 +74,25 @@ export default {
                 iconId = iconId.toString();
             }
 
-            if (!iconConstants.allAccountIcons[iconId]) {
-                return iconConstants.defaultAccountIcon.icon;
+            if (!ALL_ACCOUNT_ICONS[iconId]) {
+                return DEFAULT_ACCOUNT_ICON.icon;
             }
 
-            return iconConstants.allAccountIcons[iconId].icon;
+            return ALL_ACCOUNT_ICONS[iconId].icon;
         },
         getCategoryIcon(iconId) {
             if (isNumber(iconId)) {
                 iconId = iconId.toString();
             }
 
-            if (!iconConstants.allCategoryIcons[iconId]) {
-                return iconConstants.defaultCategoryIcon.icon;
+            if (!ALL_CATEGORY_ICONS[iconId]) {
+                return DEFAULT_CATEGORY_ICON.icon;
             }
 
-            return iconConstants.allCategoryIcons[iconId].icon;
+            return ALL_CATEGORY_ICONS[iconId].icon;
         },
         getAccountIconStyle(color, defaultColor, additionalColorAttr) {
-            if (color && color !== colorConstants.defaultAccountColor) {
+            if (color && color !== DEFAULT_ACCOUNT_COLOR) {
                 color = '#' + color;
             } else {
                 color = defaultColor;
@@ -113,7 +113,7 @@ export default {
             return ret;
         },
         getCategoryIconStyle(color, defaultColor, additionalColorAttr) {
-            if (color && color !== colorConstants.defaultCategoryColor) {
+            if (color && color !== DEFAULT_CATEGORY_COLOR) {
                 color = '#' + color;
             } else {
                 color = defaultColor;
@@ -134,7 +134,7 @@ export default {
             return ret;
         },
         getDefaultIconStyle(color, defaultColor, additionalColorAttr) {
-            if (color && color !== colorConstants.defaultColor) {
+            if (color && color !== DEFAULT_ICON_COLOR) {
                 color = '#' + color;
             } else {
                 color = defaultColor;

src/components/desktop/MonthRangeSelectionDialog.vue

@@ -69,6 +69,7 @@ import { useTheme } from 'vuetify';
 import { mapStores } from 'pinia';
 import { useUserStore } from '@/stores/user.js';
 
+import { ThemeType } from '@/core/theme.ts';
 import {
     getYearMonthObjectFromString,
     getYearMonthStringFromObject,
@@ -125,7 +126,7 @@ export default {
             }
         },
         isDarkMode() {
-            return this.globalTheme.global.name.value === 'dark';
+            return this.globalTheme.global.name.value === ThemeType.Dark;
         },
         isYearFirst() {
             return this.$locale.isLongDateMonthAfterYear(this.userStore);

src/components/desktop/PieChart.vue

@@ -10,7 +10,8 @@ import { mapStores } from 'pinia';
 import { useSettingsStore } from '@/stores/setting.js';
 import { useUserStore } from '@/stores/user.js';
 
-import colorConstants from '@/consts/color.js';
+import { DEFAULT_ICON_COLOR, DEFAULT_CHART_COLORS } from '@/consts/color.ts';
+import { ThemeType } from '@/core/theme.ts';
 import { formatPercent } from '@/lib/numeral.js';
 
 export default {
@@ -40,7 +41,7 @@ export default {
     computed: {
         ...mapStores(useSettingsStore, useUserStore),
         isDarkMode() {
-            return this.globalTheme.global.name.value === 'dark';
+            return this.globalTheme.global.name.value === ThemeType.Dark;
         },
         itemsMap: function () {
             const map = {};
@@ -87,7 +88,7 @@ export default {
                         percent: (item[this.percentField] > 0 || item[this.percentField] === 0 || item[this.percentField] === '0') ? item[this.percentField] : (item[this.valueField] / totalValidValue * 100),
                         actualPercent: item[this.valueField] / totalValidValue,
                         itemStyle: {
-                            color: this.getColor(item[this.colorField] ? item[this.colorField] : colorConstants.defaultChartColors[validItems.length % colorConstants.defaultChartColors.length]),
+                            color: this.getColor(item[this.colorField] ? item[this.colorField] : DEFAULT_CHART_COLORS[validItems.length % DEFAULT_CHART_COLORS.length]),
                         },
                         selected: true,
                         sourceItem: item
@@ -283,7 +284,7 @@ export default {
             }
         },
         getColor: function (color) {
-            if (color && color !== colorConstants.defaultColor) {
+            if (color && color !== DEFAULT_ICON_COLOR) {
                 color = '#' + color;
             }
 

src/components/desktop/ScheduleFrequencySelect.vue

@@ -58,9 +58,9 @@
 import { mapStores } from 'pinia';
 import { useUserStore } from '@/stores/user.js';
 
-import templateConstants from '@/consts/template.js';
-import { sortNumbersArray } from '@/lib/common.js';
-import { scrollToSelectedItem } from '@/lib/ui.desktop.js';
+import { ScheduledTemplateFrequencyType } from '@/core/template.ts';
+import { sortNumbersArray } from '@/lib/common.ts';
+import { scrollToSelectedItem } from '@/lib/ui/desktop.js';
 
 export default {
     props: [
@@ -85,7 +85,7 @@ export default {
             return this.$locale.getAllTransactionScheduledFrequencyTypes();
         },
         allTemplateScheduledFrequencyTypes() {
-            return templateConstants.allTemplateScheduledFrequencyTypes;
+            return ScheduledTemplateFrequencyType.all();
         },
         allWeekDays() {
             return this.$locale.getAllWeekDays(this.firstDayOfWeek);
@@ -113,9 +113,9 @@ export default {
                 if (this.type !== value) {
                     this.$emit('update:type', value);
 
-                    if (value === templateConstants.allTemplateScheduledFrequencyTypes.Weekly.type) {
+                    if (value === ScheduledTemplateFrequencyType.Weekly.type) {
                         this.frequencyValue = [this.firstDayOfWeek];
-                    } else if (value === templateConstants.allTemplateScheduledFrequencyTypes.Monthly.type) {
+                    } else if (value === ScheduledTemplateFrequencyType.Monthly.type) {
                         this.frequencyValue = [1];
                     } else {
                         this.frequencyValue = [];
@@ -141,9 +141,9 @@ export default {
             }
         },
         displayFrequency() {
-            if (this.type === templateConstants.allTemplateScheduledFrequencyTypes.Disabled.type) {
+            if (this.type === ScheduledTemplateFrequencyType.Disabled.type) {
                 return this.$t('Disabled');
-            } else if (this.type === templateConstants.allTemplateScheduledFrequencyTypes.Weekly.type) {
+            } else if (this.type === ScheduledTemplateFrequencyType.Weekly.type) {
                 if (this.frequencyValue.length) {
                     return this.$t('format.misc.everyMultiDaysOfWeek', {
                         days: this.$locale.getMultiWeekdayLongNames(this.frequencyValue, this.firstDayOfWeek)
@@ -151,7 +151,7 @@ export default {
                 } else {
                     return this.$t('Weekly');
                 }
-            } else if (this.type === templateConstants.allTemplateScheduledFrequencyTypes.Monthly.type) {
+            } else if (this.type === ScheduledTemplateFrequencyType.Monthly.type) {
                 if (this.frequencyValue.length) {
                     return this.$t('format.misc.everyMultiDaysOfMonth', {
                         days: this.$locale.getMultiMonthdayShortNames(this.frequencyValue)

src/components/desktop/SwitchToMobileDialog.vue

@@ -30,7 +30,7 @@
 
 <script>
 import { getMobileUrlQrCodePath } from '@/lib/qrcode.js';
-import { getMobileVersionPath } from '@/lib/version.js';
+import { getMobileVersionPath } from '@/lib/version.ts';
 
 export default {
     props: [

src/components/desktop/TrendsChart.vue

@@ -10,13 +10,14 @@ import { mapStores } from 'pinia';
 import { useSettingsStore } from '@/stores/setting.js';
 import { useUserStore } from '@/stores/user.js';
 
-import colorConstants from '@/consts/color.js';
+import { DEFAULT_ICON_COLOR, DEFAULT_CHART_COLORS } from '@/consts/color.ts';
 import datetimeConstants from '@/consts/datetime.js';
 import statisticsConstants from '@/consts/statistics.js';
+import { ThemeType } from '@/core/theme.ts';
 import {
     isArray,
     isNumber
-} from '@/lib/common.js';
+} from '@/lib/common.ts';
 import {
     getYearMonthFirstUnixTime,
     getYearMonthLastUnixTime,
@@ -59,7 +60,7 @@ export default {
     computed: {
         ...mapStores(useSettingsStore, useUserStore),
         isDarkMode() {
-            return this.globalTheme.global.name.value === 'dark';
+            return this.globalTheme.global.name.value === ThemeType.Dark;
         },
         itemsMap: function () {
             const map = {};
@@ -167,7 +168,7 @@ export default {
                     id: (this.idField && item[this.idField]) ? item[this.idField] : this.getItemName(item[this.nameField]),
                     name: (this.idField && item[this.idField]) ? item[this.idField] : this.getItemName(item[this.nameField]),
                     itemStyle: {
-                        color: this.getColor(item[this.colorField] ? item[this.colorField] : colorConstants.defaultChartColors[i % colorConstants.defaultChartColors.length]),
+                        color: this.getColor(item[this.colorField] ? item[this.colorField] : DEFAULT_CHART_COLORS[i % DEFAULT_CHART_COLORS.length]),
                     },
                     selected: true,
                     type: 'line',
@@ -212,7 +213,7 @@ export default {
 
             const maxValueText = this.getDisplayCurrency(maxValue, this.defaultCurrency);
             const minValueText = this.getDisplayCurrency(minValue, this.defaultCurrency);
-            let maxLengthText = maxValueText.length > minValueText.length ? maxValueText : minValueText;
+            const maxLengthText = maxValueText.length > minValueText.length ? maxValueText : minValueText;
 
             const canvas = document.createElement('canvas');
             const context = canvas.getContext('2d');
@@ -387,7 +388,7 @@ export default {
             });
         },
         getColor: function (color) {
-            if (color && color !== colorConstants.defaultColor) {
+            if (color && color !== DEFAULT_ICON_COLOR) {
                 color = '#' + color;
             }
 

src/components/desktop/TwoColumnSelect.vue

@@ -79,8 +79,8 @@ import {
     getItemByKeyValue,
     getNameByKeyValue,
     getPrimaryValueBySecondaryValue
-} from '@/lib/common.js';
-import { scrollToSelectedItem } from '@/lib/ui.desktop.js';
+} from '@/lib/common.ts';
+import { scrollToSelectedItem } from '@/lib/ui/desktop.js';
 
 import {
     mdiChevronRight

src/components/mobile/ColorSelectionSheet.vue

@@ -29,9 +29,9 @@
 </template>
 
 <script>
-import { arrayContainsFieldValue } from '@/lib/common.js';
-import { getColorsInRows } from '@/lib/color.js';
-import { scrollToSelectedItem } from '@/lib/ui.mobile.js';
+import { arrayContainsFieldValue } from '@/lib/common.ts';
+import { getColorsInRows } from '@/lib/color.ts';
+import { scrollToSelectedItem } from '@/lib/ui/mobile.js';
 
 export default {
     props: [

src/components/mobile/DateRangeSelectionSheet.vue

@@ -57,7 +57,7 @@ import { mapStores } from 'pinia';
 import { useUserStore } from '@/stores/user.js';
 
 import datetimeConstants from '@/consts/datetime.js';
-import { arrangeArrayWithNewStartIndex } from '@/lib/common.js';
+import { arrangeArrayWithNewStartIndex } from '@/lib/common.ts';
 import {
     getCurrentUnixTime,
     getCurrentYear,

src/components/mobile/DateTimeSelectionSheet.vue

@@ -53,7 +53,7 @@ import { mapStores } from 'pinia';
 import { useUserStore } from '@/stores/user.js';
 
 import datetimeConstants from '@/consts/datetime.js';
-import { arrangeArrayWithNewStartIndex } from '@/lib/common.js';
+import { arrangeArrayWithNewStartIndex } from '@/lib/common.ts';
 import {
     getCurrentUnixTime,
     getCurrentYear,
@@ -65,7 +65,7 @@ import {
     getTimeValues,
     getCombinedDateAndTimeValues
 } from '@/lib/datetime.js';
-import { createInlinePicker } from '@/lib/ui.mobile.js';
+import { createInlinePicker } from '@/lib/ui/mobile.js';
 
 export default {
     props: [

src/components/mobile/IconSelectionSheet.vue

@@ -29,9 +29,9 @@
 </template>
 
 <script>
-import { arrayContainsFieldValue } from '@/lib/common.js';
-import { getIconsInRows } from '@/lib/icon.js';
-import { scrollToSelectedItem } from '@/lib/ui.mobile.js';
+import { arrayContainsFieldValue } from '@/lib/common.ts';
+import { getIconsInRows } from '@/lib/icon.ts';
+import { scrollToSelectedItem } from '@/lib/ui/mobile.js';
 
 export default {
     props: [

src/components/mobile/InformationSheet.vue

@@ -25,7 +25,7 @@
 </template>
 
 <script>
-import { makeButtonCopyToClipboard, changeClipboardObjectText } from '@/lib/misc.js';
+import { ClipboardHolder } from '@/lib/clipboard.ts';
 
 export default {
     props: [
@@ -54,7 +54,7 @@ export default {
     watch: {
         'information': function (newValue) {
             if (this.clipboardHolder) {
-                changeClipboardObjectText(this.clipboardHolder, newValue);
+                this.clipboardHolder.setClipboardText(newValue);
             }
         }
     },
@@ -73,7 +73,7 @@ export default {
             }
 
             if (self.$refs.copyToClipboardIcon) {
-                self.clipboardHolder = makeButtonCopyToClipboard({
+                self.clipboardHolder = ClipboardHolder.create({
                     el: '#copy-to-clipboard-icon',
                     text: self.information,
                     successCallback: function () {

src/components/mobile/ItemIcon.vue

@@ -5,9 +5,9 @@
 </template>
 
 <script>
-import iconConstants from '@/consts/icon.js';
-import colorConstants from '@/consts/color.js';
-import { isNumber } from '@/lib/common.js';
+import { ALL_ACCOUNT_ICONS, DEFAULT_ACCOUNT_ICON, ALL_CATEGORY_ICONS, DEFAULT_CATEGORY_ICON } from '@/consts/icon.ts';
+import { DEFAULT_ICON_COLOR, DEFAULT_ACCOUNT_COLOR, DEFAULT_CATEGORY_COLOR } from '@/consts/color.ts';
+import { isNumber } from '@/lib/common.ts';
 
 export default {
     props: [
@@ -58,25 +58,25 @@ export default {
                 iconId = iconId.toString();
             }
 
-            if (!iconConstants.allAccountIcons[iconId]) {
-                return iconConstants.defaultAccountIcon.icon;
+            if (!ALL_ACCOUNT_ICONS[iconId]) {
+                return DEFAULT_ACCOUNT_ICON.icon;
             }
 
-            return iconConstants.allAccountIcons[iconId].icon;
+            return ALL_ACCOUNT_ICONS[iconId].icon;
         },
         getCategoryIcon(iconId) {
             if (isNumber(iconId)) {
                 iconId = iconId.toString();
             }
 
-            if (!iconConstants.allCategoryIcons[iconId]) {
-                return iconConstants.defaultCategoryIcon.icon;
+            if (!ALL_CATEGORY_ICONS[iconId]) {
+                return DEFAULT_CATEGORY_ICON.icon;
             }
 
-            return iconConstants.allCategoryIcons[iconId].icon;
+            return ALL_CATEGORY_ICONS[iconId].icon;
         },
         getAccountIconStyle(color, defaultColor, additionalColorAttr) {
-            if (color && color !== colorConstants.defaultAccountColor) {
+            if (color && color !== DEFAULT_ACCOUNT_COLOR) {
                 color = '#' + color;
             } else {
                 color = defaultColor;
@@ -93,7 +93,7 @@ export default {
             return ret;
         },
         getCategoryIconStyle(color, defaultColor, additionalColorAttr) {
-            if (color && color !== colorConstants.defaultCategoryColor) {
+            if (color && color !== DEFAULT_CATEGORY_COLOR) {
                 color = '#' + color;
             } else {
                 color = defaultColor;
@@ -110,7 +110,7 @@ export default {
             return ret;
         },
         getDefaultIconStyle(color, defaultColor, additionalColorAttr) {
-            if (color && color !== colorConstants.defaultColor) {
+            if (color && color !== DEFAULT_ICON_COLOR) {
                 color = '#' + color;
             } else {
                 color = defaultColor;

src/components/mobile/ListItemSelectionSheet.vue

@@ -32,7 +32,7 @@
 </template>
 
 <script>
-import { scrollToSelectedItem } from '@/lib/ui.mobile.js';
+import { scrollToSelectedItem } from '@/lib/ui/mobile.js';
 
 export default {
     props: [

src/components/mobile/NumberPadSheet.vue

@@ -69,8 +69,8 @@
 import { mapStores } from 'pinia';
 import { useUserStore } from '@/stores/user.js';
 
-import currencyConstants from '@/consts/currency.js';
-import { isString, isNumber, removeAll } from '@/lib/common.js';
+import { ALL_CURRENCIES } from '@/consts/currency.ts';
+import { isString, isNumber, removeAll } from '@/lib/common.ts';
 
 export default {
     props: [
@@ -100,11 +100,11 @@ export default {
             return this.$locale.getCurrentDecimalSeparator(this.userStore);
         },
         supportDecimalSeparator() {
-            if (!this.currency || !currencyConstants.all[this.currency] || !isNumber(currencyConstants.all[this.currency].fraction)) {
+            if (!this.currency || !ALL_CURRENCIES[this.currency] || !isNumber(ALL_CURRENCIES[this.currency].fraction)) {
                 return true;
             }
 
-            return currencyConstants.all[this.currency].fraction > 0;
+            return ALL_CURRENCIES[this.currency].fraction > 0;
         },
         currentDisplay() {
             const previousValue = this.$locale.appendDigitGroupingSymbol(this.userStore, this.previousValue);
@@ -160,8 +160,8 @@ export default {
                 return str;
             }
 
-            let integer = str.substring(0, decimalSeparatorPos);
-            let decimals = str.substring(decimalSeparatorPos + 1, str.length);
+            const integer = str.substring(0, decimalSeparatorPos);
+            const decimals = str.substring(decimalSeparatorPos + 1, str.length);
             let newDecimals = '';
 
             for (let i = decimals.length - 1; i >= 0; i--) {

src/components/mobile/PieChart.vue

@@ -81,7 +81,7 @@ import { mapStores } from 'pinia';
 import { useSettingsStore } from '@/stores/setting.js';
 import { useUserStore } from '@/stores/user.js';
 
-import colorConstants from '@/consts/color.js';
+import { DEFAULT_ICON_COLOR, DEFAULT_CHART_COLORS } from '@/consts/color.ts';
 import { formatPercent } from '@/lib/numeral.js';
 
 export default {
@@ -139,7 +139,7 @@ export default {
                         value: item[this.valueField],
                         percent: (item[this.percentField] > 0 || item[this.percentField] === 0 || item[this.percentField] === '0') ? item[this.percentField] : (item[this.valueField] / totalValidValue * 100),
                         actualPercent: item[this.valueField] / totalValidValue,
-                        color: item[this.colorField] ? item[this.colorField] : colorConstants.defaultChartColors[validItems.length % colorConstants.defaultChartColors.length],
+                        color: item[this.colorField] ? item[this.colorField] : DEFAULT_CHART_COLORS[validItems.length % DEFAULT_CHART_COLORS.length],
                         sourceItem: item
                     };
 
@@ -223,7 +223,7 @@ export default {
             }
         },
         getColor: function (color) {
-            if (color && color !== colorConstants.defaultColor) {
+            if (color && color !== DEFAULT_ICON_COLOR) {
                 color = '#' + color;
             } else {
                 color = 'var(--default-icon-color)';

src/components/mobile/ScheduleFrequencySheet.vue

@@ -68,9 +68,9 @@
 import { mapStores } from 'pinia';
 import { useUserStore } from '@/stores/user.js';
 
-import templateConstants from '@/consts/template.js';
-import { sortNumbersArray } from '@/lib/common.js';
-import { scrollToSelectedItem } from '@/lib/ui.mobile.js';
+import { ScheduledTemplateFrequencyType } from '@/core/template.ts';
+import { sortNumbersArray } from '@/lib/common.ts';
+import { scrollToSelectedItem } from '@/lib/ui/mobile.js';
 
 export default {
     props: [
@@ -100,7 +100,7 @@ export default {
             return this.$locale.getAllTransactionScheduledFrequencyTypes();
         },
         allTemplateScheduledFrequencyTypes() {
-            return templateConstants.allTemplateScheduledFrequencyTypes;
+            return ScheduledTemplateFrequencyType.all();
         },
         allWeekDays() {
             return this.$locale.getAllWeekDays(this.firstDayOfWeek);
@@ -134,9 +134,9 @@ export default {
             if (this.currentFrequencyType !== value) {
                 this.currentFrequencyType = value;
 
-                if (value === templateConstants.allTemplateScheduledFrequencyTypes.Weekly.type) {
+                if (value === ScheduledTemplateFrequencyType.Weekly.type) {
                     this.currentFrequencyValue = [this.firstDayOfWeek];
-                } else if (value === templateConstants.allTemplateScheduledFrequencyTypes.Monthly.type) {
+                } else if (value === ScheduledTemplateFrequencyType.Monthly.type) {
                     this.currentFrequencyValue = [1];
                 } else {
                     this.currentFrequencyValue = [];

src/components/mobile/TransactionTagSelectionSheet.vue

@@ -79,8 +79,8 @@
 import { mapStores } from 'pinia';
 import { useTransactionTagsStore } from '@/stores/transactionTag.js';
 
-import { copyArrayTo } from '@/lib/common.js';
-import { scrollToSelectedItem } from '@/lib/ui.mobile.js';
+import { copyArrayTo } from '@/lib/common.ts';
+import { scrollToSelectedItem } from '@/lib/ui/mobile.js';
 
 export default {
     props: [

src/components/mobile/TreeViewSelectionSheet.vue

@@ -41,8 +41,8 @@
 </template>
 
 <script>
-import { isArray } from '@/lib/common.js';
-import { scrollToSelectedItem } from '@/lib/ui.mobile.js';
+import { isArray } from '@/lib/common.ts';
+import { scrollToSelectedItem } from '@/lib/ui/mobile.js';
 
 export default {
     props: [
@@ -85,7 +85,7 @@ export default {
             if (isArray(this.items)) {
                 count = this.items.length;
             } else {
-                for (let field in this.items) {
+                for (const field in this.items) {
                     if (!Object.prototype.hasOwnProperty.call(this.items, field)) {
                         continue;
                     }

src/components/mobile/TrendsBarChart.vue

@@ -93,10 +93,10 @@ import { mapStores } from 'pinia';
 import { useSettingsStore } from '@/stores/setting.js';
 import { useUserStore } from '@/stores/user.js';
 
-import colorConstants from '@/consts/color.js';
+import { DEFAULT_ICON_COLOR, DEFAULT_CHART_COLORS } from '@/consts/color.ts';
 import datetimeConstants from '@/consts/datetime.js';
 import statisticsConstants from '@/consts/statistics.js';
-import { isNumber } from '@/lib/common.js';
+import { isNumber } from '@/lib/common.ts';
 import {
     getYearMonthFirstUnixTime,
     getYearMonthLastUnixTime,
@@ -154,7 +154,7 @@ export default {
                 const legend = {
                     id: id,
                     name: (this.nameField && item[this.nameField]) ? this.getItemName(item[this.nameField]) : id,
-                    color: this.getColor(item[this.colorField] ? item[this.colorField] : colorConstants.defaultChartColors[i % colorConstants.defaultChartColors.length]),
+                    color: this.getColor(item[this.colorField] ? item[this.colorField] : DEFAULT_CHART_COLORS[i % DEFAULT_CHART_COLORS.length]),
                     displayOrders: (this.displayOrdersField && item[this.displayOrdersField]) ? item[this.displayOrdersField] : [0]
                 };
 
@@ -322,7 +322,7 @@ export default {
             }
         },
         getColor: function (color) {
-            if (color && color !== colorConstants.defaultColor) {
+            if (color && color !== DEFAULT_ICON_COLOR) {
                 color = '#' + color;
             }
 

src/components/mobile/TwoColumnListItemSelectionSheet.vue

@@ -65,8 +65,8 @@
 import {
     getItemByKeyValue,
     getPrimaryValueBySecondaryValue
-} from '@/lib/common.js';
-import { scrollToSelectedItem } from '@/lib/ui.mobile.js';
+} from '@/lib/common.ts';
+import { scrollToSelectedItem } from '@/lib/ui/mobile.js';
 
 export default {
     props: [

src/consts/account.js

@@ -1,80 +0,0 @@
-const allAccountCategories = {
-    Cash: {
-        id: 1,
-        name: 'Cash',
-        defaultAccountIconId: '1'
-    },
-    CheckingAccount: {
-        id: 2,
-        name: 'Checking Account',
-        defaultAccountIconId: '100'
-    },
-    SavingsAccount: {
-        id: 8,
-        name: 'Savings Account',
-        defaultAccountIconId: '100'
-    },
-    CreditCard: {
-        id: 3,
-        name: 'Credit Card',
-        defaultAccountIconId: '100'
-    },
-    VirtualAccount: {
-        id: 4,
-        name: 'Virtual Account',
-        defaultAccountIconId: '500'
-    },
-    DebtAccount: {
-        id: 5,
-        name: 'Debt Account',
-        defaultAccountIconId: '600'
-    },
-    Receivables: {
-        id: 6,
-        name: 'Receivables',
-        defaultAccountIconId: '700'
-    },
-    CertificatePfDeposit: {
-        id: 9,
-        name: 'Certificate of Deposit',
-        defaultAccountIconId: '110'
-    },
-    InvestmentAccount: {
-        id: 7,
-        name: 'Investment Account',
-        defaultAccountIconId: '800'
-    }
-};
-
-const allAccountCategoriesArray = [
-    allAccountCategories.Cash,
-    allAccountCategories.CheckingAccount,
-    allAccountCategories.SavingsAccount,
-    allAccountCategories.CreditCard,
-    allAccountCategories.VirtualAccount,
-    allAccountCategories.DebtAccount,
-    allAccountCategories.Receivables,
-    allAccountCategories.CertificatePfDeposit,
-    allAccountCategories.InvestmentAccount
-];
-const allAccountTypes = {
-    SingleAccount: 1,
-    MultiSubAccounts: 2
-};
-const allAccountTypesArray = [
-    {
-        id: allAccountTypes.SingleAccount,
-        name: 'Single Account'
-    }, {
-        id: allAccountTypes.MultiSubAccounts,
-        name: 'Multiple Sub-accounts'
-    }
-];
-
-export default {
-    cashCategoryType: allAccountCategories.Cash.id,
-    creditCardCategoryType: allAccountCategories.CreditCard.id,
-    allCategories: allAccountCategoriesArray,
-    allAccountTypes: allAccountTypes,
-    allAccountTypesArray: allAccountTypesArray,
-};

src/consts/api.ts

@@ -1,27 +1,45 @@
-const defaultTimeout = 10000; // 10s
-const uploadTimeout = 30000; // 30s
-const importTimeout = 1800000; // 1800s
-const baseApiUrlPath = '/api';
-const baseQrcodePath = '/qrcode';
-const baseProxyUrlPath = '/proxy';
-const baseAmapApiProxyUrlPath = '/_AMapService';
-const apiNotFoundErrorCode = 100001;
-const validatorErrorCode = 200000;
-const userEmailNotVerifiedErrorCode = 201020;
-const transactionCannotCreateInThisTimeErrorCode = 205017;
-const transactionCannotModifyInThisTimeErrorCode = 205018;
-const transactionPictureNotFoundErrorCode = 211001;
-const googleMapJavascriptUrl = 'https://maps.googleapis.com/maps/api/js';
-const baiduMapJavascriptUrl = 'https://api.map.baidu.com/api?v=3.0';
-const amapJavascriptUrl = 'https://webapi.amap.com/maps?v=2.0';
+export const BASE_API_URL_PATH: string = '/api';
+export const BASE_QRCODE_PATH: string = '/qrcode';
+export const BASE_PROXY_URL_PATH: string = '/proxy';
+export const BASE_AMAP_API_PROXY_URL_PATH: string = '/_AMapService';
 
-const specifiedApiNotFoundErrors = {
+export const DEFAULT_API_TIMEOUT: number = 10000; // 10s
+export const DEFAULT_UPLOAD_API_TIMEOUT: number = 30000; // 30s
+export const DEFAULT_IMPORT_API_TIMEOUT: number = 1800000; // 1800s
+
+export const GOOGLE_MAP_JAVASCRIPT_URL: string = 'https://maps.googleapis.com/maps/api/js';
+export const BAIDU_MAP_JAVASCRIPT_URL: string = 'https://api.map.baidu.com/api?v=3.0';
+export const AMAP_JAVASCRIPT_URL: string = 'https://webapi.amap.com/maps?v=2.0';
+
+export enum KnownErrorCode {
+    ApiNotFound = 100001,
+    ValidatorError = 200000,
+    UserEmailNotVerified = 201020,
+    TransactionCannotCreateInThisTime = 205017,
+    TransactionCannotModifyInThisTime = 205018,
+    TransactionPictureNotFound = 211001
+}
+
+export interface SpecifiedApiError {
+    readonly message: string;
+}
+
+export const SPECIFIED_API_NOT_FOUND_ERRORS: Record<string, SpecifiedApiError> = {
     '/api/register.json': {
         message: 'User registration is disabled'
     }
 };
 
-const parameterizedErrors = [
+export interface ParameterizedError {
+    readonly localeKey: string;
+    readonly regex: RegExp;
+    readonly parameters: {
+        readonly field: string;
+        readonly localized: boolean;
+    }[];
+}
+
+export const PARAMETERIZED_ERRORS: ParameterizedError[] = [
     {
         localeKey: 'parameter invalid',
         regex: /^parameter "(\w+)" is invalid$/,
@@ -142,24 +160,3 @@ const parameterizedErrors = [
         }]
     }
 ];
-
-export default {
-    defaultTimeout: defaultTimeout,
-    uploadTimeout: uploadTimeout,
-    importTimeout: importTimeout,
-    baseApiUrlPath: baseApiUrlPath,
-    baseQrcodePath: baseQrcodePath,
-    baseProxyUrlPath: baseProxyUrlPath,
-    baseAmapApiProxyUrlPath: baseAmapApiProxyUrlPath,
-    apiNotFoundErrorCode: apiNotFoundErrorCode,
-    validatorErrorCode: validatorErrorCode,
-    userEmailNotVerifiedErrorCode: userEmailNotVerifiedErrorCode,
-    transactionCannotCreateInThisTimeErrorCode: transactionCannotCreateInThisTimeErrorCode,
-    transactionCannotModifyInThisTimeErrorCode: transactionCannotModifyInThisTimeErrorCode,
-    transactionPictureNotFoundErrorCode: transactionPictureNotFoundErrorCode,
-    specifiedApiNotFoundErrors: specifiedApiNotFoundErrors,
-    parameterizedErrors: parameterizedErrors,
-    googleMapJavascriptUrl: googleMapJavascriptUrl,
-    baiduMapJavascriptUrl: baiduMapJavascriptUrl,
-    amapJavascriptUrl: amapJavascriptUrl
-}

src/consts/asset.js

@@ -1,6 +0,0 @@
-const baseImagePath = 'img';
-const ezBookkeepingLogoPath = baseImagePath + '/ezbookkeeping-192.png';
-
-export default {
-    ezBookkeepingLogoPath: ezBookkeepingLogoPath
-}

src/consts/asset.ts

@@ -0,0 +1,2 @@
+const baseImagePath: string = 'img';
+export const APPLICATION_LOGO_PATH: string = baseImagePath + '/ezbookkeeping-192.png';

src/consts/category.ts

@@ -1,10 +1,19 @@
-const allCategoryTypes = {
-    Income: 1,
-    Expense: 2,
-    Transfer: 3
-};
+import type { ColorValue } from '@/core/color.ts';
 
-const defaultExpenseCategories = [
+export interface PresetCategory {
+    name: string;
+    categoryIconId: string;
+    color: ColorValue;
+    subCategories: PresetSubCategory[];
+}
+
+export interface PresetSubCategory {
+    name: string;
+    categoryIconId: string;
+    color: ColorValue;
+}
+
+export const DEFAULT_EXPENSE_CATEGORIES: PresetCategory[] = [
     {
         name: 'Food & Drink',
         categoryIconId: '1',
@@ -294,7 +303,7 @@ const defaultExpenseCategories = [
     }
 ];
 
-const defaultIncomeCategories = [
+export const DEFAULT_INCOME_CATEGORIES: PresetCategory[] = [
     {
         name: 'Occupational Earnings',
         categoryIconId: '2000',
@@ -373,7 +382,7 @@ const defaultIncomeCategories = [
     }
 ];
 
-const defaultTransferCategories = [
+export const DEFAULT_TRANSFER_CATEGORIES: PresetCategory[] = [
     {
         name: 'General Transfer',
         categoryIconId: '4000',
@@ -447,10 +456,3 @@ const defaultTransferCategories = [
         ]
     }
 ];
-
-export default {
-    allCategoryTypes: allCategoryTypes,
-    defaultExpenseCategories: defaultExpenseCategories,
-    defaultIncomeCategories: defaultIncomeCategories,
-    defaultTransferCategories: defaultTransferCategories,
-};

src/consts/color.js

@@ -1,98 +0,0 @@
-const defaultColor = '000000';
-const allAvailableColors = [
-    '000000', // black
-    '8e8e93', // gray
-    'ff3b30', // red
-    'ff2d55', // pink
-    'ff6b22', // deep orange
-    'ff9500', // orange
-    'ffcc00', // yellow
-    'cddc39', // lime
-    '009688', // teal
-    '4cd964', // green
-    '5ac8fa', // light blue
-    '2196f3', // blue
-    '673ab7', // deep purple
-    '9c27b0', // purple
-];
-
-const defaultChartColors = [
-    'cc4a66',
-    'e3564a',
-    'fc892c',
-    'ffc349',
-    '4dd291',
-    '24ceb3',
-    '2ab4d0',
-    '065786',
-    '713670',
-    '8e1d51'
-];
-
-const allAmountColors = {
-    Green: {
-        type: 1,
-        name: 'Green',
-        lightThemeColor: '#009688',
-        darkThemeColor: '#009688',
-        expenseClassName: 'expense-amount-color-green',
-        incomeClassName: 'income-amount-color-green'
-    },
-    Red: {
-        type: 2,
-        name: 'Red',
-        lightThemeColor: '#d43f3f',
-        darkThemeColor: '#d43f3f',
-        expenseClassName: 'expense-amount-color-red',
-        incomeClassName: 'income-amount-color-red'
-    },
-    Yellow: {
-        type: 3,
-        name: 'Yellow',
-        lightThemeColor: '#e2b60a',
-        darkThemeColor: '#e2b60a',
-        expenseClassName: 'expense-amount-color-yellow',
-        incomeClassName: 'income-amount-color-yellow'
-    },
-    BlackOrWhite: {
-        type: 4,
-        name: 'Black or White',
-        lightThemeColor: '#413935',
-        darkThemeColor: '#fcf0e3',
-        expenseClassName: 'expense-amount-color-blackorwhite',
-        incomeClassName: 'income-amount-color-blackorwhite'
-    }
-}
-
-const allAmountColorsArray = [
-    allAmountColors.Green,
-    allAmountColors.Red,
-    allAmountColors.Yellow,
-    allAmountColors.BlackOrWhite
-];
-
-const allAmountColorTypesMap = {
-    [allAmountColors.Green.type]: allAmountColors.Green,
-    [allAmountColors.Red.type]: allAmountColors.Red,
-    [allAmountColors.Yellow.type]: allAmountColors.Yellow,
-    [allAmountColors.BlackOrWhite.type]: allAmountColors.BlackOrWhite
-};
-
-const defaultExpenseIncomeAmountValue = 0;
-const defaultExpenseAmountColor = allAmountColors.Green;
-const defaultIncomeAmountColor = allAmountColors.Red;
-
-export default {
-    defaultColor: defaultColor,
-    allAccountColors: allAvailableColors,
-    defaultAccountColor: defaultColor,
-    allCategoryColors: allAvailableColors,
-    defaultCategoryColor: defaultColor,
-    defaultChartColors: defaultChartColors,
-    allAmountColors: allAmountColors,
-    allAmountColorsArray: allAmountColorsArray,
-    allAmountColorTypesMap: allAmountColorTypesMap,
-    defaultExpenseIncomeAmountValue: defaultExpenseIncomeAmountValue,
-    defaultExpenseAmountColor: defaultExpenseAmountColor,
-    defaultIncomeAmountColor: defaultIncomeAmountColor,
-};

src/consts/color.ts

@@ -0,0 +1,40 @@
+import type { ColorValue } from '@/core/color.ts';
+
+const defaultColor: ColorValue = '000000';
+
+export const DEFAULT_ICON_COLOR: ColorValue = defaultColor;
+export const DEFAULT_ACCOUNT_COLOR: ColorValue = defaultColor;
+export const DEFAULT_CATEGORY_COLOR: ColorValue = defaultColor;
+
+const allAvailableColors: ColorValue[] = [
+    '000000', // black
+    '8e8e93', // gray
+    'ff3b30', // red
+    'ff2d55', // pink
+    'ff6b22', // deep orange
+    'ff9500', // orange
+    'ffcc00', // yellow
+    'cddc39', // lime
+    '009688', // teal
+    '4cd964', // green
+    '5ac8fa', // light blue
+    '2196f3', // blue
+    '673ab7', // deep purple
+    '9c27b0', // purple
+];
+
+export const ALL_ACCOUNT_COLORS: ColorValue[] = allAvailableColors;
+export const ALL_CATEGORY_COLORS: ColorValue[] = allAvailableColors;
+
+export const DEFAULT_CHART_COLORS: ColorValue[] = [
+    'cc4a66',
+    'e3564a',
+    'fc892c',
+    'ffc349',
+    '4dd291',
+    '24ceb3',
+    '2ab4d0',
+    '065786',
+    '713670',
+    '8e1d51'
+];

src/consts/currency.ts

@@ -1,9 +1,16 @@
-const parentAccountCurrencyPlaceholder = '---';
-const defaultCurrencySymbol = '¤';
+export interface CurrencyInfo {
+    readonly code: string,
+    readonly fraction?: number,
+    readonly symbol?: {
+        readonly normal: string,
+        readonly plural?: string
+    },
+    readonly unit: string
+}
 
 // ISO 4217
 // Reference: https://www.six-group.com/dam/download/financial-information/data-center/iso-currrency/lists/list-one.xml
-const allCurrencies = {
+export const ALL_CURRENCIES: Record<string, CurrencyInfo> = {
     'AED': { // UAE Dirham
         code: 'AED',
         fraction: 2,
@@ -1284,177 +1291,6 @@ const allCurrencies = {
     }
 };
 
-const allCurrencyDisplaySymbol = {
-    None: 0,
-    Symbol: 1,
-    Code: 2,
-    Unit: 3,
-    Name: 4
-};
-
-const allCurrencyDisplayLocation = {
-    BeforeAmount: 0,
-    AfterAmount: 1
-};
-
-const allCurrencyDisplayType = {
-    None: {
-        type: 1,
-        name: 'None',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.None,
-        separator: ''
-    },
-    SymbolBeforeAmount: {
-        type: 2,
-        name: 'Currency Symbol',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.Symbol,
-        location: allCurrencyDisplayLocation.BeforeAmount,
-        separator: ' '
-    },
-    SymbolAfterAmount: {
-        type: 3,
-        name: 'Currency Symbol',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.Symbol,
-        location: allCurrencyDisplayLocation.AfterAmount,
-        separator: ' '
-    },
-    SymbolBeforeAmountWithoutSpace: {
-        type: 4,
-        name: 'Currency Symbol',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.Symbol,
-        location: allCurrencyDisplayLocation.BeforeAmount,
-        separator: ''
-    },
-    SymbolAfterAmountWithoutSpace: {
-        type: 5,
-        name: 'Currency Symbol',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.Symbol,
-        location: allCurrencyDisplayLocation.AfterAmount,
-        separator: ''
-    },
-    CodeBeforeAmount: {
-        type: 6,
-        name: 'Currency Code',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.Code,
-        location: allCurrencyDisplayLocation.BeforeAmount,
-        separator: ' '
-    },
-    CodeAfterAmount: {
-        type: 7,
-        name: 'Currency Code',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.Code,
-        location: allCurrencyDisplayLocation.AfterAmount,
-        separator: ' '
-    },
-    UnitBeforeAmount: {
-        type: 8,
-        name: 'Currency Unit',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.Unit,
-        location: allCurrencyDisplayLocation.BeforeAmount,
-        separator: ' '
-    },
-    UnitAfterAmount: {
-        type: 9,
-        name: 'Currency Unit',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.Unit,
-        location: allCurrencyDisplayLocation.AfterAmount,
-        separator: ' '
-    },
-    NameBeforeAmount: {
-        type: 10,
-        name: 'Currency Name',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.Name,
-        location: allCurrencyDisplayLocation.BeforeAmount,
-        separator: ' '
-    },
-    NameAfterAmount: {
-        type: 11,
-        name: 'Currency Name',
-        fraction: 2,
-        symbol: allCurrencyDisplaySymbol.Name,
-        location: allCurrencyDisplayLocation.AfterAmount,
-        separator: ' '
-    }
-};
-
-const allCurrencyDisplayTypeArray = [
-    allCurrencyDisplayType.None,
-    allCurrencyDisplayType.SymbolBeforeAmount,
-    allCurrencyDisplayType.SymbolAfterAmount,
-    allCurrencyDisplayType.SymbolBeforeAmountWithoutSpace,
-    allCurrencyDisplayType.SymbolAfterAmountWithoutSpace,
-    allCurrencyDisplayType.CodeBeforeAmount,
-    allCurrencyDisplayType.CodeAfterAmount,
-    allCurrencyDisplayType.UnitBeforeAmount,
-    allCurrencyDisplayType.UnitAfterAmount,
-    allCurrencyDisplayType.NameBeforeAmount,
-    allCurrencyDisplayType.NameAfterAmount
-];
-
-const allCurrencyDisplayTypeMap = {
-    [allCurrencyDisplayType.None.type]: allCurrencyDisplayType.None,
-    [allCurrencyDisplayType.SymbolBeforeAmount.type]: allCurrencyDisplayType.SymbolBeforeAmount,
-    [allCurrencyDisplayType.SymbolAfterAmount.type]: allCurrencyDisplayType.SymbolAfterAmount,
-    [allCurrencyDisplayType.SymbolBeforeAmountWithoutSpace.type]: allCurrencyDisplayType.SymbolBeforeAmountWithoutSpace,
-    [allCurrencyDisplayType.SymbolAfterAmountWithoutSpace.type]: allCurrencyDisplayType.SymbolAfterAmountWithoutSpace,
-    [allCurrencyDisplayType.CodeBeforeAmount.type]: allCurrencyDisplayType.CodeBeforeAmount,
-    [allCurrencyDisplayType.CodeAfterAmount.type]: allCurrencyDisplayType.CodeAfterAmount,
-    [allCurrencyDisplayType.UnitBeforeAmount.type]: allCurrencyDisplayType.UnitBeforeAmount,
-    [allCurrencyDisplayType.UnitAfterAmount.type]: allCurrencyDisplayType.UnitAfterAmount,
-    [allCurrencyDisplayType.NameBeforeAmount.type]: allCurrencyDisplayType.NameBeforeAmount,
-    [allCurrencyDisplayType.NameAfterAmount.type]: allCurrencyDisplayType.NameAfterAmount
-};
-
-const defaultCurrency = allCurrencies.USD.code;
-const defaultCurrencyDisplayType = allCurrencyDisplayType.SymbolBeforeAmount;
-const defaultCurrencyDisplayTypeValue = 0;
-
-const allCurrencySortingTypes = {
-    Name: {
-        type: 0,
-        name: 'Currency Name'
-    },
-    CurrencyCode: {
-        type: 1,
-        name: 'Currency Code'
-    },
-    ExchangeRate: {
-        type: 2,
-        name: 'Exchange Rate'
-    }
-};
-
-const allCurrencySortingTypesArray = [
-    allCurrencySortingTypes.Name,
-    allCurrencySortingTypes.CurrencyCode,
-    allCurrencySortingTypes.ExchangeRate
-]
-
-const defaultCurrencySortingType = allCurrencySortingTypes.Name.type;
-
-export default {
-    parentAccountCurrencyPlaceholder: parentAccountCurrencyPlaceholder,
-    defaultCurrencySymbol: defaultCurrencySymbol,
-    all: allCurrencies,
-    defaultCurrency: defaultCurrency,
-    allCurrencyDisplaySymbol: allCurrencyDisplaySymbol,
-    allCurrencyDisplayLocation: allCurrencyDisplayLocation,
-    allCurrencyDisplayType: allCurrencyDisplayType,
-    allCurrencyDisplayTypeArray: allCurrencyDisplayTypeArray,
-    allCurrencyDisplayTypeMap: allCurrencyDisplayTypeMap,
-    defaultCurrencyDisplayType: defaultCurrencyDisplayType,
-    defaultCurrencyDisplayTypeValue: defaultCurrencyDisplayTypeValue,
-    allCurrencySortingTypes: allCurrencySortingTypes,
-    allCurrencySortingTypesArray: allCurrencySortingTypesArray,
-    defaultCurrencySortingType: defaultCurrencySortingType
-};
+export const DEFAULT_CURRENCY_SYMBOL: string = '¤';
+export const DEFAULT_CURRENCY_CODE: string = ALL_CURRENCIES.USD.code;
+export const PARENT_ACCOUNT_CURRENCY_PLACEHOLDER: string = '---';

src/consts/file.ts

@@ -1,6 +1,23 @@
-const supportedImageExtensions = '.jpg,.jpeg,.png,.gif,.webp';
+export const SUPPORTED_IMAGE_EXTENSIONS: string = '.jpg,.jpeg,.png,.gif,.webp';
 
-const supportedImportFileTypes = [
+export interface ImportFileType {
+    readonly type: string;
+    readonly name: string;
+    readonly extensions: string;
+    readonly subTypes?: ImportFileTypeSubType[];
+    readonly document?: {
+        readonly supportMultiLanguages: boolean | string;
+        readonly anchor: string;
+    };
+}
+
+export interface ImportFileTypeSubType {
+    readonly type: string;
+    readonly name: string;
+    readonly extensions?: string;
+}
+
+export const SUPPORTED_IMPORT_FILE_TYPES: ImportFileType[] = [
     {
         type: 'ezbookkeeping',
         name: 'ezbookkeeping Data Export File',
@@ -120,8 +137,3 @@ const supportedImportFileTypes = [
         }
     }
 ];
-
-export default {
-    supportedImageExtensions: supportedImageExtensions,
-    supportedImportFileTypes: supportedImportFileTypes
-}

src/consts/font.js

@@ -1,50 +0,0 @@
-const allFontSize = {
-    Small: {
-        type: 0,
-        className: 'font-size-small'
-    },
-    Default: {
-        type: 1,
-        className: 'font-size-default'
-    },
-    Large: {
-        type: 2,
-        className: 'font-size-large'
-    },
-    XLarge: {
-        type: 3,
-        className: 'font-size-x-large'
-    },
-    XXLarge: {
-        type: 4,
-        className: 'font-size-xx-large'
-    },
-    XXXLarge: {
-        type: 5,
-        className: 'font-size-xxx-large'
-    },
-    XXXXLarge: {
-        type: 6,
-        className: 'font-size-xxxx-large'
-    }
-}
-
-const allFontSizeArray = [
-    allFontSize.Small,
-    allFontSize.Default,
-    allFontSize.Large,
-    allFontSize.XLarge,
-    allFontSize.XXLarge,
-    allFontSize.XXXLarge,
-    allFontSize.XXXXLarge
-];
-
-const defaultFontSize = allFontSize.Default;
-const fontSizePreviewClassNamePrefix = 'preview-';
-
-export default {
-    allFontSize: allFontSize,
-    allFontSizeArray: allFontSizeArray,
-    defaultFontSize: defaultFontSize,
-    fontSizePreviewClassNamePrefix: fontSizePreviewClassNamePrefix
-};

src/consts/icon.ts

@@ -1,5 +1,8 @@
-const defaultAccountIconId = '1';
-const allAccountIcons = {
+import type { IconInfo } from '@/core/icon.ts';
+
+export const DEFAULT_ACCOUNT_ICON_ID = '1';
+
+export const ALL_ACCOUNT_ICONS: Record<string, IconInfo> = {
     // 1 - 99 : Cash Symbols
     '1': {
         icon: 'las la-wallet'
@@ -158,8 +161,11 @@ const allAccountIcons = {
     }
 };
 
-const defaultCategoryIconId = '1';
-const allCategoryIcons = {
+export const DEFAULT_ACCOUNT_ICON = ALL_ACCOUNT_ICONS[DEFAULT_ACCOUNT_ICON_ID];
+
+export const DEFAULT_CATEGORY_ICON_ID = '1';
+
+export const ALL_CATEGORY_ICONS = {
     // 1 - 99 : Expense - Food & Drink
     '1': {
         icon: 'las la-utensils'
@@ -830,11 +836,4 @@ const allCategoryIcons = {
     }
 };
 
-export default {
-    allAccountIcons: allAccountIcons,
-    defaultAccountIconId: defaultAccountIconId,
-    defaultAccountIcon: allAccountIcons[defaultAccountIconId],
-    allCategoryIcons: allCategoryIcons,
-    defaultCategoryIconId: defaultCategoryIconId,
-    defaultCategoryIcon: allCategoryIcons[defaultCategoryIconId]
-};
+export const DEFAULT_CATEGORY_ICON = ALL_CATEGORY_ICONS[DEFAULT_CATEGORY_ICON_ID];

src/consts/map.ts

@@ -1,4 +1,23 @@
-const leafletTileSources = {
+export interface PresetLeafletTileSource {
+    readonly tileUrlFormat: string;
+    readonly tileUrlSubDomains: string;
+    readonly tileUrlExtraParams?: PresetLeafletTileSourceExtraParam[];
+    readonly annotationUrlFormat?: string;
+    readonly annotationUrlSubDomains?: string;
+    readonly annotationUrlExtraParams?: PresetLeafletTileSourceExtraParam[];
+    readonly minZoom: number;
+    readonly maxZoom: number;
+    readonly defaultZoomLevel: number;
+    readonly website: string;
+    readonly attribution: string;
+}
+
+export interface PresetLeafletTileSourceExtraParam {
+    readonly paramName: string;
+    readonly paramValueType: string;
+}
+
+export const LEAFLET_TILE_SOURCES: Record<string, PresetLeafletTileSource> = {
     'openstreetmap': {
         tileUrlFormat: 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
         tileUrlSubDomains: 'abc',
@@ -96,7 +115,3 @@ const leafletTileSources = {
         attribution : '<a href="https://www.tianditu.gov.cn" class="external" target="_blank">天地图</a>'
     }
 }
-
-export default {
-    leafletTileSources: leafletTileSources
-}

src/consts/template.js

@@ -1,24 +0,0 @@
-const allTemplateTypes = {
-    Normal: 1,
-    Schedule: 2,
-};
-
-const allTemplateScheduledFrequencyTypes = {
-    Disabled: {
-        type: 0,
-        name: 'Disabled'
-    },
-    Weekly: {
-        type: 1,
-        name: 'Weekly'
-    },
-    Monthly: {
-        type: 2,
-        name: 'Monthly'
-    }
-};
-
-export default {
-    allTemplateTypes: allTemplateTypes,
-    allTemplateScheduledFrequencyTypes: allTemplateScheduledFrequencyTypes,
-}

src/consts/timezone.ts

@@ -1,5 +1,15 @@
+export interface TimezoneInfo {
+    readonly displayName: string;
+    readonly timezoneName: string;
+}
+
+export const UTC_TIMEZONE: TimezoneInfo = {
+    displayName: 'Coordinated Universal Time',
+    timezoneName: 'Etc/GMT'
+};
+
 // Reference: https://github.com/nodatime/nodatime/blob/main/data/cldr/windowsZones-45.xml
-const allAvailableTimezones = [
+export const ALL_TIMEZONES: TimezoneInfo[] = [
     // UTC-12:00
     {
         displayName: 'International Date Line West',
@@ -591,17 +601,3 @@ const allAvailableTimezones = [
         timezoneName: 'Pacific/Kiritimati'
     }
 ];
-
-const allTimezoneTypesUsedForStatistics = {
-    ApplicationTimezone: 0,
-    TransactionTimezone: 1
-};
-
-const defaultTimezoneTypesUsedForStatistics = allTimezoneTypesUsedForStatistics.ApplicationTimezone;
-
-export default {
-    all: allAvailableTimezones,
-    utcTimezoneName: 'Etc/GMT',
-    allTimezoneTypesUsedForStatistics: allTimezoneTypesUsedForStatistics,
-    defaultTimezoneTypesUsedForStatistics: defaultTimezoneTypesUsedForStatistics
-};

src/consts/transaction.js

@@ -1,72 +0,0 @@
-const allTransactionTypes = {
-    ModifyBalance: 1,
-    Income: 2,
-    Expense: 3,
-    Transfer: 4
-};
-
-const allTransactionEditScopeTypes = {
-    None: {
-        type: 0,
-        name: 'None'
-    },
-    All: {
-        type: 1,
-        name: 'All'
-    },
-    TodayOrLater: {
-        type: 2,
-        name: 'Today or later'
-    },
-    Recent24HoursOrLater: {
-        type: 3,
-        name: 'Recent 24 hours or later'
-    },
-    ThisWeekOrLater: {
-        type: 4,
-        name: 'This week or later'
-    },
-    ThisMonthOrLater: {
-        type: 5,
-        name: 'This month or later'
-    },
-    ThisYearOrLater: {
-        type: 6,
-        name: 'This year or later'
-    }
-};
-
-const allTransactionTagFilterTypes = {
-    HasAny: {
-        type: 0,
-        name: 'With Any Selected Tags'
-    },
-    HasAll: {
-        type: 1,
-        name: 'With All Selected Tags'
-    },
-    NotHasAny: {
-        type: 2,
-        name: 'Without Any Selected Tags'
-    },
-    NotHasAll: {
-        type: 3,
-        name: 'Without All Selected Tags'
-    }
-};
-
-const defaultTransactionTagFilterType = allTransactionTagFilterTypes.HasAny;
-
-const minAmountNumber = -99999999999; // -999999999.99
-const maxAmountNumber = 99999999999; //  999999999.99
-const maxPictureCount = 10;
-
-export default {
-    allTransactionTypes: allTransactionTypes,
-    allTransactionEditScopeTypes: allTransactionEditScopeTypes,
-    allTransactionTagFilterTypes: allTransactionTagFilterTypes,
-    defaultTransactionTagFilterType: defaultTransactionTagFilterType,
-    minAmountNumber: minAmountNumber,
-    maxAmountNumber: maxAmountNumber,
-    maxPictureCount: maxPictureCount,
-};

src/consts/transaction.ts

@@ -0,0 +1,3 @@
+export const TRANSACTION_MIN_AMOUNT: number = -99999999999; // -999999999.99
+export const TRANSACTION_MAX_AMOUNT: number = 99999999999; //  999999999.99
+export const TRANSACTION_MAX_PICTURE_COUNT: number = 10;

src/core/account.ts

@@ -0,0 +1,80 @@
+import type { TypeAndName } from './base.ts';
+
+type AccountTypeName = 'SingleAccount' | 'MultiSubAccounts';
+
+export class AccountType implements TypeAndName {
+    private static readonly allInstances: AccountType[] = [];
+    private static readonly allInstancesByTypeName: Record<string, AccountType> = {};
+
+    public static readonly SingleAccount = new AccountType(1, 'SingleAccount', 'Single Account');
+    public static readonly MultiSubAccounts = new AccountType(2, 'MultiSubAccounts', 'Multiple Sub-accounts');
+
+    public readonly type: number;
+    public readonly typeName: AccountTypeName;
+    public readonly name: string;
+
+    private constructor(type: number, typeName: AccountTypeName, name: string) {
+        this.type = type;
+        this.typeName = typeName;
+        this.name = name;
+
+        AccountType.allInstances.push(this);
+        AccountType.allInstancesByTypeName[typeName] = this;
+    }
+
+    public static values(): AccountType[] {
+        return AccountType.allInstances;
+    }
+
+    public static all(): Record<AccountTypeName, AccountType> {
+        return AccountType.allInstancesByTypeName;
+    }
+}
+
+type AccountCategoryTypeName = 'Cash' | 'CheckingAccount' | 'SavingsAccount' | 'CreditCard' | 'VirtualAccount' | 'DebtAccount' | 'Receivables' | 'CertificateOfDeposit' | 'InvestmentAccount';
+
+export class AccountCategory implements TypeAndName {
+    private static readonly allInstances: AccountCategory[] = [];
+    private static readonly allInstancesByType: Record<number, AccountCategory> = {};
+    private static readonly allInstancesByTypeName: Record<string, AccountCategory> = {};
+
+    public static readonly Cash = new AccountCategory(1, 'Cash', 'Cash', '1');
+    public static readonly CheckingAccount = new AccountCategory(2, 'CheckingAccount', 'Checking Account', '100');
+    public static readonly SavingsAccount = new AccountCategory(8, 'SavingsAccount', 'Savings Account', '100');
+    public static readonly CreditCard = new AccountCategory(3, 'CreditCard', 'Credit Card', '100');
+    public static readonly VirtualAccount = new AccountCategory(4, 'VirtualAccount', 'Virtual Account', '500');
+    public static readonly DebtAccount = new AccountCategory(5, 'DebtAccount', 'Debt Account', '600');
+    public static readonly Receivables = new AccountCategory(6, 'Receivables', 'Receivables', '700');
+    public static readonly CertificateOfDeposit = new AccountCategory(9, 'CertificateOfDeposit', 'Certificate of Deposit', '110');
+    public static readonly InvestmentAccount = new AccountCategory(7, 'InvestmentAccount', 'Investment Account', '800');
+
+    public static readonly Default = AccountCategory.Cash;
+
+    public readonly type: number;
+    public readonly typeName: AccountCategoryTypeName;
+    public readonly name: string;
+    public readonly defaultAccountIconId: string;
+
+    private constructor(type: number, typeName: AccountCategoryTypeName, name: string, defaultAccountIconId: string) {
+        this.type = type;
+        this.typeName = typeName;
+        this.name = name;
+        this.defaultAccountIconId = defaultAccountIconId;
+
+        AccountCategory.allInstances.push(this);
+        AccountCategory.allInstancesByType[type] = this;
+        AccountCategory.allInstancesByTypeName[typeName] = this;
+    }
+
+    public static values(): AccountCategory[] {
+        return AccountCategory.allInstances;
+    }
+
+    public static all(): Record<AccountCategoryTypeName, AccountCategory> {
+        return AccountCategory.allInstancesByTypeName;
+    }
+
+    public static valueOf(type: number): AccountCategory {
+        return AccountCategory.allInstancesByType[type];
+    }
+}

src/core/base.ts

@@ -0,0 +1,9 @@
+export interface TypeAndName {
+    readonly type: number;
+    readonly name: string;
+}
+
+export interface TypeAndDisplayName {
+    readonly type: number;
+    readonly displayName: string;
+}

src/core/category.ts

@@ -0,0 +1,5 @@
+export enum CategoryType {
+    Income = 1,
+    Expense = 2,
+    Transfer = 3
+}

src/core/color.ts

@@ -0,0 +1,53 @@
+import type { TypeAndName } from './base.ts';
+
+export type ColorValue = string;
+
+export interface ColorInfo {
+    readonly color: ColorValue;
+}
+
+export interface AmountColor {
+    readonly expenseAmountColor: ColorValue;
+    readonly incomeAmountColor: ColorValue;
+}
+
+export class PresetAmountColor implements TypeAndName {
+    private static readonly allInstances: PresetAmountColor[] = [];
+    private static readonly allInstancesByType: Record<number, PresetAmountColor> = {};
+
+    public static readonly SystemDefaultType: number = 0;
+    public static readonly Green = new PresetAmountColor(1, 'Green', '#009688', '#009688', 'expense-amount-color-green', 'income-amount-color-green');
+    public static readonly Red = new PresetAmountColor(2, 'Red', '#d43f3f', '#d43f3f', 'expense-amount-color-red', 'income-amount-color-red');
+    public static readonly Yellow = new PresetAmountColor(3, 'Yellow', '#e2b60a', '#e2b60a', 'expense-amount-color-yellow', 'income-amount-color-yellow');
+    public static readonly BlackOrWhite = new PresetAmountColor(4, 'Black or White', '#413935', '#fcf0e3', 'expense-amount-color-blackorwhite', 'income-amount-color-blackorwhite');
+
+    public static readonly DefaultExpenseColor = PresetAmountColor.Green;
+    public static readonly DefaultIncomeColor = PresetAmountColor.Red;
+
+    public readonly type: number;
+    public readonly name: string;
+    public readonly lightThemeColor: string;
+    public readonly darkThemeColor: string;
+    public readonly expenseClassName: string;
+    public readonly incomeClassName: string;
+
+    private constructor(type: number, name: string, lightThemeColor: string, darkThemeColor: string, expenseClassName: string, incomeClassName: string) {
+        this.type = type;
+        this.name = name;
+        this.lightThemeColor = lightThemeColor;
+        this.darkThemeColor = darkThemeColor;
+        this.expenseClassName = expenseClassName;
+        this.incomeClassName = incomeClassName;
+
+        PresetAmountColor.allInstances.push(this);
+        PresetAmountColor.allInstancesByType[type] = this;
+    }
+
+    public static values(): PresetAmountColor[] {
+        return PresetAmountColor.allInstances;
+    }
+
+    public static valueOf(type: number): PresetAmountColor {
+        return PresetAmountColor.allInstancesByType[type];
+    }
+}

src/core/currency.ts

@@ -0,0 +1,98 @@
+import type { TypeAndName } from './base.ts';
+
+export enum CurrencyDisplaySymbol {
+    None = 0,
+    Symbol = 1,
+    Code = 2,
+    Unit = 3,
+    Name = 4
+}
+
+export enum CurrencyDisplayLocation {
+    BeforeAmount = 0,
+    AfterAmount = 1
+}
+
+export interface CurrencyPrependAndAppendText {
+    prependText?: string;
+    appendText?: string;
+}
+
+export class CurrencyDisplayType implements TypeAndName {
+    private static readonly allInstances: CurrencyDisplayType[] = [];
+    private static readonly allInstancesByType: Record<number, CurrencyDisplayType> = {};
+    private static readonly allInstancesByTypeName: Record<string, CurrencyDisplayType> = {};
+
+    public static readonly LanguageDefaultType = 0;
+    public static readonly None = new CurrencyDisplayType(1, 'None', 'None', 2, CurrencyDisplaySymbol.None, undefined, '');
+    public static readonly SymbolBeforeAmount = new CurrencyDisplayType(2, 'SymbolBeforeAmount', 'Currency Symbol', 2, CurrencyDisplaySymbol.Symbol, CurrencyDisplayLocation.BeforeAmount, ' ');
+    public static readonly SymbolAfterAmount = new CurrencyDisplayType(3, 'SymbolAfterAmount', 'Currency Symbol', 2, CurrencyDisplaySymbol.Symbol, CurrencyDisplayLocation.AfterAmount, ' ');
+    public static readonly SymbolBeforeAmountWithoutSpace = new CurrencyDisplayType(4, 'SymbolBeforeAmountWithoutSpace', 'Currency Symbol', 2, CurrencyDisplaySymbol.Symbol, CurrencyDisplayLocation.BeforeAmount, '');
+    public static readonly SymbolAfterAmountWithoutSpace = new CurrencyDisplayType(5, 'SymbolAfterAmountWithoutSpace', 'Currency Symbol', 2, CurrencyDisplaySymbol.Symbol, CurrencyDisplayLocation.AfterAmount, '');
+    public static readonly CodeBeforeAmount = new CurrencyDisplayType(6, 'CodeBeforeAmount', 'Currency Code', 2, CurrencyDisplaySymbol.Code, CurrencyDisplayLocation.BeforeAmount, ' ');
+    public static readonly CodeAfterAmount = new CurrencyDisplayType(7, 'CodeAfterAmount', 'Currency Code', 2, CurrencyDisplaySymbol.Code, CurrencyDisplayLocation.AfterAmount, ' ');
+    public static readonly UnitBeforeAmount = new CurrencyDisplayType(8, 'UnitBeforeAmount', 'Currency Unit', 2, CurrencyDisplaySymbol.Unit, CurrencyDisplayLocation.BeforeAmount, ' ');
+    public static readonly UnitAfterAmount = new CurrencyDisplayType(9, 'UnitAfterAmount', 'Currency Unit', 2, CurrencyDisplaySymbol.Unit, CurrencyDisplayLocation.AfterAmount, ' ');
+    public static readonly NameBeforeAmount = new CurrencyDisplayType(10, 'NameBeforeAmount', 'Currency Name', 2, CurrencyDisplaySymbol.Name, CurrencyDisplayLocation.BeforeAmount, ' ');
+    public static readonly NameAfterAmount = new CurrencyDisplayType(11, 'NameAfterAmount', 'Currency Name', 2, CurrencyDisplaySymbol.Name, CurrencyDisplayLocation.AfterAmount, ' ');
+
+    public static readonly Default = CurrencyDisplayType.SymbolBeforeAmount;
+
+    public readonly type: number;
+    public readonly typeName: string;
+    public readonly name: string;
+    public readonly fraction: number;
+    public readonly symbol: CurrencyDisplaySymbol;
+    public readonly location: CurrencyDisplayLocation | undefined;
+    public readonly separator: string;
+
+    private constructor(type: number, typeName: string, name: string, fraction: number, symbol: CurrencyDisplaySymbol, location: CurrencyDisplayLocation | undefined, separator: string) {
+        this.type = type;
+        this.typeName = typeName;
+        this.name = name;
+        this.fraction = fraction;
+        this.symbol = symbol;
+        this.location = location;
+        this.separator = separator;
+
+        CurrencyDisplayType.allInstances.push(this);
+        CurrencyDisplayType.allInstancesByType[type] = this;
+        CurrencyDisplayType.allInstancesByTypeName[typeName] = this;
+    }
+
+    public static values(): CurrencyDisplayType[] {
+        return CurrencyDisplayType.allInstances;
+    }
+
+    public static valueOf(type: number): CurrencyDisplayType {
+        return CurrencyDisplayType.allInstancesByType[type];
+    }
+
+    public static parse(typeName: string): CurrencyDisplayType {
+        return CurrencyDisplayType.allInstancesByTypeName[typeName];
+    }
+}
+
+export class CurrencySortingType implements TypeAndName {
+    private static readonly allInstances: CurrencySortingType[] = [];
+
+    public static readonly Name = new CurrencySortingType(0, 'Currency Name');
+    public static readonly CurrencyCode = new CurrencySortingType(1, 'Currency Code');
+    public static readonly ExchangeRate = new CurrencySortingType(2, 'Exchange Rate');
+
+    public static readonly Default = CurrencySortingType.Name;
+
+    public readonly type: number;
+    public readonly name: string;
+
+    private constructor(type: number, name: string) {
+        this.type = type;
+        this.name = name;
+
+        CurrencySortingType.allInstances.push(this);
+    }
+
+    public static values(): CurrencySortingType[] {
+        return CurrencySortingType.allInstances;
+    }
+}

src/core/datetime.ts

@@ -0,0 +1,20 @@
+export class MeridiemIndicator {
+    private static readonly allInstances: MeridiemIndicator[] = [];
+
+    public static readonly AM = new MeridiemIndicator(0, 'AM');
+    public static readonly PM = new MeridiemIndicator(1, 'PM');
+
+    public readonly type: number;
+    public readonly value: string;
+
+    private constructor(type: number, value: string) {
+        this.type = type;
+        this.value = value;
+
+        MeridiemIndicator.allInstances.push(this);
+    }
+
+    public static values(): MeridiemIndicator[] {
+        return MeridiemIndicator.allInstances;
+    }
+}

src/core/font.ts

@@ -0,0 +1,30 @@
+export class FontSize {
+    private static readonly allInstances: FontSize[] = [];
+
+    public static readonly Small = new FontSize(0, 'font-size-small');
+    public static readonly Default = new FontSize(1, 'font-size-default');
+    public static readonly Large = new FontSize(2, 'font-size-large');
+    public static readonly XLarge = new FontSize(3, 'font-size-x-large');
+    public static readonly XXLarge = new FontSize(4, 'font-size-xx-large');
+    public static readonly XXXLarge = new FontSize(5, 'font-size-xxx-large');
+    public static readonly XXXXLarge = new FontSize(6, 'font-size-xxxx-large');
+
+    public static readonly MinimumFontSize = FontSize.Small;
+    public static readonly MaximumFontSize = FontSize.XXXXLarge;
+
+    public readonly type: number;
+    public readonly className: string;
+
+    private constructor(type: number, className: string) {
+        this.type = type;
+        this.className = className;
+
+        FontSize.allInstances.push(this);
+    }
+
+    public static values(): FontSize[] {
+        return FontSize.allInstances;
+    }
+}
+
+export const FONT_SIZE_PREVIEW_CLASSNAME_PREFIX: string = 'preview-';

src/core/icon.ts

@@ -0,0 +1,10 @@
+export type LineAwesomeIconClassName = string;
+
+export interface IconInfo {
+    readonly icon: LineAwesomeIconClassName;
+}
+
+export interface IconInfoWithId {
+    readonly id: string;
+    readonly icon: LineAwesomeIconClassName;
+}

src/core/template.ts

@@ -0,0 +1,72 @@
+import type { TypeAndName } from './base.ts';
+
+type TemplateTypeName = 'Normal' | 'Schedule';
+
+export class TemplateType implements TypeAndName {
+    private static readonly allInstances: TemplateType[] = [];
+    private static readonly allInstancesByType: Record<number, TemplateType> = {};
+    private static readonly allInstancesByTypeName: Record<string, TemplateType> = {};
+
+    public static readonly Normal = new TemplateType(1, 'Normal');
+    public static readonly Schedule = new TemplateType(2, 'Schedule');
+
+    public readonly type: number;
+    public readonly name: TemplateTypeName;
+
+    private constructor(type: number, name: TemplateTypeName) {
+        this.type = type;
+        this.name = name;
+
+        TemplateType.allInstances.push(this);
+        TemplateType.allInstancesByType[type] = this;
+        TemplateType.allInstancesByTypeName[name] = this;
+    }
+
+    public static values(): TemplateType[] {
+        return TemplateType.allInstances;
+    }
+
+    public static all(): Record<TemplateTypeName, TemplateType> {
+        return TemplateType.allInstancesByTypeName;
+    }
+
+    public static valueOf(type: number): TemplateType {
+        return TemplateType.allInstancesByType[type];
+    }
+}
+
+type ScheduledTemplateFrequencyTypeName = 'Disabled' | 'Weekly' | 'Monthly';
+
+export class ScheduledTemplateFrequencyType implements TypeAndName {
+    private static readonly allInstances: ScheduledTemplateFrequencyType[] = [];
+    private static readonly allInstancesByType: Record<number, ScheduledTemplateFrequencyType> = {};
+    private static readonly allInstancesByTypeName: Record<string, ScheduledTemplateFrequencyType> = {};
+
+    public static readonly Disabled = new ScheduledTemplateFrequencyType(0, 'Disabled');
+    public static readonly Weekly = new ScheduledTemplateFrequencyType(1, 'Weekly');
+    public static readonly Monthly = new ScheduledTemplateFrequencyType(2, 'Monthly');
+
+    public readonly type: number;
+    public readonly name: ScheduledTemplateFrequencyTypeName;
+
+    private constructor(type: number, name: ScheduledTemplateFrequencyTypeName) {
+        this.type = type;
+        this.name = name;
+
+        ScheduledTemplateFrequencyType.allInstances.push(this);
+        ScheduledTemplateFrequencyType.allInstancesByType[type] = this;
+        ScheduledTemplateFrequencyType.allInstancesByTypeName[name] = this;
+    }
+
+    public static values(): ScheduledTemplateFrequencyType[] {
+        return ScheduledTemplateFrequencyType.allInstances;
+    }
+
+    public static all(): Record<ScheduledTemplateFrequencyTypeName, ScheduledTemplateFrequencyType> {
+        return ScheduledTemplateFrequencyType.allInstancesByTypeName;
+    }
+
+    public static valueOf(type: number): ScheduledTemplateFrequencyType {
+        return ScheduledTemplateFrequencyType.allInstancesByType[type];
+    }
+}

src/core/theme.ts

@@ -0,0 +1,4 @@
+export enum ThemeType {
+    Light = 'light',
+    Dark = 'dark'
+}

src/core/timezone.ts

@@ -0,0 +1,16 @@
+import type { TypeAndName } from './base.ts';
+
+export class TimezoneTypeForStatistics implements TypeAndName {
+    public static readonly ApplicationTimezone = new TimezoneTypeForStatistics(0, 'Application Timezone');
+    public static readonly TransactionTimezone = new TimezoneTypeForStatistics(1, 'Transaction Timezone');
+
+    public static readonly Default = TimezoneTypeForStatistics.ApplicationTimezone;
+
+    public readonly type: number;
+    public readonly name: string;
+
+    private constructor(type: number, name: string) {
+        this.type = type;
+        this.name = name;
+    }
+}

src/core/transaction.ts

@@ -0,0 +1,59 @@
+import type { TypeAndName } from './base.ts';
+
+export enum TransactionType {
+    ModifyBalance = 1,
+    Income = 2,
+    Expense = 3,
+    Transfer = 4
+}
+
+export class TransactionEditScopeType implements TypeAndName {
+    private static readonly allInstances: TransactionEditScopeType[] = [];
+
+    public static readonly None = new TransactionEditScopeType(0, 'None');
+    public static readonly All = new TransactionEditScopeType(1, 'All');
+    public static readonly TodayOrLater = new TransactionEditScopeType(2, 'Today or later');
+    public static readonly Recent24HoursOrLater = new TransactionEditScopeType(3, 'Recent 24 hours or later');
+    public static readonly ThisWeekOrLater = new TransactionEditScopeType(4, 'This week or later');
+    public static readonly ThisMonthOrLater = new TransactionEditScopeType(5, 'This month or later');
+    public static readonly ThisYearOrLater = new TransactionEditScopeType(6, 'This year or later');
+
+    public readonly type: number;
+    public readonly name: string;
+
+    private constructor(type: number, name: string) {
+        this.type = type;
+        this.name = name;
+
+        TransactionEditScopeType.allInstances.push(this);
+    }
+
+    public static values(): TransactionEditScopeType[] {
+        return TransactionEditScopeType.allInstances;
+    }
+}
+
+export class TransactionTagFilterType implements TypeAndName {
+    private static readonly allInstances: TransactionTagFilterType[] = [];
+
+    public static readonly HasAny = new TransactionTagFilterType(0, 'With Any Selected Tags');
+    public static readonly HasAll = new TransactionTagFilterType(1, 'With All Selected Tags');
+    public static readonly NotHasAny = new TransactionTagFilterType(2, 'Without Any Selected Tags');
+    public static readonly NotHasAll = new TransactionTagFilterType(3, 'Without All Selected Tags');
+
+    public static readonly Default = TransactionTagFilterType.HasAny;
+
+    public readonly type: number;
+    public readonly name: string;
+
+    private constructor(type: number, name: string) {
+        this.type = type;
+        this.name = name;
+
+        TransactionTagFilterType.allInstances.push(this);
+    }
+
+    public static values(): TransactionTagFilterType[] {
+        return TransactionTagFilterType.allInstances;
+    }
+}

src/desktop-main.js

@@ -70,7 +70,7 @@ import draggable from 'vuedraggable';
 
 import router from '@/router/desktop.js';
 
-import { getVersion, getBuildTime } from '@/lib/version.js';
+import { getVersion, getBuildTime } from '@/lib/version.ts';
 import userstate from '@/lib/userstate.js';
 import {
     getI18nOptions,

src/directives/mobile/textareaAutoSize.js

@@ -1,4 +1,4 @@
-import { autoChangeTextareaSize } from '@/lib/ui.mobile.js';
+import { autoChangeTextareaSize } from '@/lib/ui/mobile.js';
 
 export default {
     mounted(el) {

src/global.d.ts

@@ -0,0 +1,12 @@
+declare const __EZBOOKKEEPING_IS_PRODUCTION__: boolean;
+declare const __EZBOOKKEEPING_VERSION__: string;
+declare const __EZBOOKKEEPING_BUILD_UNIX_TIME__: string;
+declare const __EZBOOKKEEPING_BUILD_COMMIT_HASH__: string;
+declare const __EZBOOKKEEPING_LICENSE__: string;
+declare const __EZBOOKKEEPING_THIRD_PARTY_LICENSES__: string[];
+
+interface Window {
+    EZBOOKKEEPING_SERVER_SETTINGS?: {
+        [key: string]: string | number | boolean | undefined | null;
+    };
+}

src/lib/account.js

@@ -1,5 +1,5 @@
-import currencyConstants from '@/consts/currency.js';
-import accountConstants from '@/consts/account.js';
+import { AccountType, AccountCategory } from '@/core/account.ts';
+import { PARENT_ACCOUNT_CURRENCY_PLACEHOLDER } from '@/consts/currency.ts';
 
 export function setAccountModelByAnotherAccount(account, account2) {
     account.id = account2.id;
@@ -16,22 +16,12 @@ export function setAccountModelByAnotherAccount(account, account2) {
     account.visible = !account2.hidden;
 }
 
-export function getAccountCategoryInfo(categoryId) {
-    for (let i = 0; i < accountConstants.allCategories.length; i++) {
-        if (accountConstants.allCategories[i].id === categoryId) {
-            return accountConstants.allCategories[i];
-        }
-    }
-
-    return null;
-}
-
 export function getAccountOrSubAccountId(account, subAccountId) {
-    if (account.type === accountConstants.allAccountTypes.SingleAccount) {
+    if (account.type === AccountType.SingleAccount.type) {
         return account.id;
-    } else if (account.type === accountConstants.allAccountTypes.MultiSubAccounts && !subAccountId) {
+    } else if (account.type === AccountType.MultiSubAccounts.type && !subAccountId) {
         return account.id;
-    } else if (account.type === accountConstants.allAccountTypes.MultiSubAccounts && subAccountId) {
+    } else if (account.type === AccountType.MultiSubAccounts.type && subAccountId) {
         if (!account.subAccounts || !account.subAccounts.length) {
             return null;
         }
@@ -51,11 +41,11 @@ export function getAccountOrSubAccountId(account, subAccountId) {
 }
 
 export function getAccountOrSubAccountComment(account, subAccountId) {
-    if (account.type === accountConstants.allAccountTypes.SingleAccount) {
+    if (account.type === AccountType.SingleAccount.type) {
         return account.comment;
-    } else if (account.type === accountConstants.allAccountTypes.MultiSubAccounts && !subAccountId) {
+    } else if (account.type === AccountType.MultiSubAccounts.type && !subAccountId) {
         return account.comment;
-    } else if (account.type === accountConstants.allAccountTypes.MultiSubAccounts && subAccountId) {
+    } else if (account.type === AccountType.MultiSubAccounts.type && subAccountId) {
         if (!account.subAccounts || !account.subAccounts.length) {
             return null;
         }
@@ -109,7 +99,7 @@ export function getCategorizedAccountsMap(allAccounts) {
         const account = allAccounts[i];
 
         if (!ret[account.category]) {
-            const categoryInfo = getAccountCategoryInfo(account.category);
+            const categoryInfo = AccountCategory.valueOf(account.category);
 
             if (categoryInfo) {
                 ret[account.category] = {
@@ -132,16 +122,17 @@ export function getCategorizedAccountsMap(allAccounts) {
 
 export function getCategorizedAccounts(allAccounts) {
     const ret = [];
+    const allCategories = AccountCategory.values();
     const categorizedAccounts = getCategorizedAccountsMap(allAccounts);
 
-    for (let i = 0; i < accountConstants.allCategories.length; i++) {
-        const category = accountConstants.allCategories[i];
+    for (let i = 0; i < allCategories.length; i++) {
+        const category = allCategories[i];
 
-        if (!categorizedAccounts[category.id]) {
+        if (!categorizedAccounts[category.type]) {
             continue;
         }
 
-        const accountCategory = categorizedAccounts[category.id];
+        const accountCategory = categorizedAccounts[category.type];
         ret.push(accountCategory);
     }
 
@@ -150,15 +141,16 @@ export function getCategorizedAccounts(allAccounts) {
 
 export function getCategorizedAccountsWithVisibleCount(categorizedAccountsMap) {
     const ret = [];
+    const allCategories = AccountCategory.values();
 
-    for (let i = 0; i < accountConstants.allCategories.length; i++) {
-        const accountCategory = accountConstants.allCategories[i];
+    for (let i = 0; i < allCategories.length; i++) {
+        const accountCategory = allCategories[i];
 
-        if (!categorizedAccountsMap[accountCategory.id] || !categorizedAccountsMap[accountCategory.id].accounts) {
+        if (!categorizedAccountsMap[accountCategory.type] || !categorizedAccountsMap[accountCategory.type].accounts) {
             continue;
         }
 
-        const allAccounts = categorizedAccountsMap[accountCategory.id].accounts;
+        const allAccounts = categorizedAccountsMap[accountCategory.type].accounts;
         const allSubAccounts = {};
         const allVisibleSubAccountCounts = {};
         const allFirstVisibleSubAccountIndexes = {};
@@ -176,7 +168,7 @@ export function getCategorizedAccountsWithVisibleCount(categorizedAccountsMap) {
                 }
             }
 
-            if (account.type === accountConstants.allAccountTypes.MultiSubAccounts && account.subAccounts) {
+            if (account.type === AccountType.MultiSubAccounts.type && account.subAccounts) {
                 let visibleSubAccountCount = 0;
                 let firstVisibleSubAccountIndex = -1;
 
@@ -202,7 +194,7 @@ export function getCategorizedAccountsWithVisibleCount(categorizedAccountsMap) {
 
         if (allAccounts.length > 0) {
             ret.push({
-                category: accountCategory.id,
+                category: accountCategory.type,
                 name: accountCategory.name,
                 icon: accountCategory.defaultAccountIconId,
                 allAccounts: allAccounts,
@@ -219,31 +211,31 @@ export function getCategorizedAccountsWithVisibleCount(categorizedAccountsMap) {
 }
 
 export function getAllFilteredAccountsBalance(categorizedAccounts, accountFilter) {
-    const allAccountCategories = accountConstants.allCategories;
+    const allAccountCategories = AccountCategory.values();
     const ret = [];
 
     for (let categoryIdx = 0; categoryIdx < allAccountCategories.length; categoryIdx++) {
         const accountCategory = allAccountCategories[categoryIdx];
 
-        if (!categorizedAccounts[accountCategory.id] || !categorizedAccounts[accountCategory.id].accounts) {
+        if (!categorizedAccounts[accountCategory.type] || !categorizedAccounts[accountCategory.type].accounts) {
             continue;
         }
 
-        for (let accountIdx = 0; accountIdx < categorizedAccounts[accountCategory.id].accounts.length; accountIdx++) {
-            const account = categorizedAccounts[accountCategory.id].accounts[accountIdx];
+        for (let accountIdx = 0; accountIdx < categorizedAccounts[accountCategory.type].accounts.length; accountIdx++) {
+            const account = categorizedAccounts[accountCategory.type].accounts[accountIdx];
 
             if (account.hidden || !accountFilter(account)) {
                 continue;
             }
 
-            if (account.type === accountConstants.allAccountTypes.SingleAccount) {
+            if (account.type === AccountType.SingleAccount.type) {
                 ret.push({
                     balance: account.balance,
                     isAsset: account.isAsset,
                     isLiability: account.isLiability,
                     currency: account.currency
                 });
-            } else if (account.type === accountConstants.allAccountTypes.MultiSubAccounts && account.subAccounts) {
+            } else if (account.type === AccountType.MultiSubAccounts.type && account.subAccounts) {
                 for (let subAccountIdx = 0; subAccountIdx < account.subAccounts.length; subAccountIdx++) {
                     const subAccount = account.subAccounts[subAccountIdx];
 
@@ -307,7 +299,7 @@ export function getUnifiedSelectedAccountsCurrencyOrDefaultCurrency(allAccounts,
 
         const account = allAccounts[accountId];
 
-        if (account.currency === currencyConstants.parentAccountCurrencyPlaceholder) {
+        if (account.currency === PARENT_ACCOUNT_CURRENCY_PLACEHOLDER) {
             continue;
         }
 
@@ -326,9 +318,9 @@ export function getUnifiedSelectedAccountsCurrencyOrDefaultCurrency(allAccounts,
 }
 
 export function selectAccountOrSubAccounts(filterAccountIds, account, value) {
-    if (account.type === accountConstants.allAccountTypes.SingleAccount) {
+    if (account.type === AccountType.SingleAccount.type) {
         filterAccountIds[account.id] = value;
-    } else if (account.type === accountConstants.allAccountTypes.MultiSubAccounts) {
+    } else if (account.type === AccountType.MultiSubAccounts.type) {
         if (!account.subAccounts || !account.subAccounts.length) {
             return;
         }
@@ -348,7 +340,7 @@ export function selectAll(filterAccountIds, allAccountsMap) {
 
         const account = allAccountsMap[accountId];
 
-        if (account && account.type === accountConstants.allAccountTypes.SingleAccount) {
+        if (account && account.type === AccountType.SingleAccount.type) {
             filterAccountIds[account.id] = false;
         }
     }
@@ -362,7 +354,7 @@ export function selectNone(filterAccountIds, allAccountsMap) {
 
         const account = allAccountsMap[accountId];
 
-        if (account && account.type === accountConstants.allAccountTypes.SingleAccount) {
+        if (account && account.type === AccountType.SingleAccount.type) {
             filterAccountIds[account.id] = true;
         }
     }
@@ -376,7 +368,7 @@ export function selectInvert(filterAccountIds, allAccountsMap) {
 
         const account = allAccountsMap[accountId];
 
-        if (account && account.type === accountConstants.allAccountTypes.SingleAccount) {
+        if (account && account.type === AccountType.SingleAccount.type) {
             filterAccountIds[account.id] = !filterAccountIds[account.id];
         }
     }
@@ -415,9 +407,11 @@ export function isAccountOrSubAccountsHasButNotAllChecked(account, filterAccount
 }
 
 export function setAccountSuitableIcon(account, oldCategory, newCategory) {
-    for (let i = 0; i < accountConstants.allCategories.length; i++) {
-        if (accountConstants.allCategories[i].id === oldCategory) {
-            if (account.icon !== accountConstants.allCategories[i].defaultAccountIconId) {
+    const allCategories = AccountCategory.values();
+
+    for (let i = 0; i < allCategories.length; i++) {
+        if (allCategories[i].type === oldCategory) {
+            if (account.icon !== allCategories[i].defaultAccountIconId) {
                 return;
             } else {
                 break;
@@ -425,9 +419,9 @@ export function setAccountSuitableIcon(account, oldCategory, newCategory) {
         }
     }
 
-    for (let i = 0; i < accountConstants.allCategories.length; i++) {
-        if (accountConstants.allCategories[i].id === newCategory) {
-            account.icon = accountConstants.allCategories[i].defaultAccountIconId;
+    for (let i = 0; i < allCategories.length; i++) {
+        if (allCategories[i].type === newCategory) {
+            account.icon = allCategories[i].defaultAccountIconId;
         }
     }
 }

src/lib/category.js

@@ -1,5 +1,5 @@
-import categoryConstants from '@/consts/category.js';
-import transactionConstants from '@/consts/transaction.js';
+import { CategoryType } from '@/core/category.ts';
+import { TransactionType } from '@/core/transaction.ts';
 
 export function setCategoryModelByAnotherCategory(category, category2) {
     category.id = category2.id;
@@ -13,24 +13,24 @@ export function setCategoryModelByAnotherCategory(category, category2) {
 }
 
 export function transactionTypeToCategoryType(transactionType) {
-    if (transactionType === transactionConstants.allTransactionTypes.Income) {
-        return categoryConstants.allCategoryTypes.Income;
-    } else if (transactionType === transactionConstants.allTransactionTypes.Expense) {
-        return categoryConstants.allCategoryTypes.Expense;
-    } else if (transactionType === transactionConstants.allTransactionTypes.Transfer) {
-        return categoryConstants.allCategoryTypes.Transfer;
+    if (transactionType === TransactionType.Income) {
+        return CategoryType.Income;
+    } else if (transactionType === TransactionType.Expense) {
+        return CategoryType.Expense;
+    } else if (transactionType === TransactionType.Transfer) {
+        return CategoryType.Transfer;
     } else {
         return null;
     }
 }
 
 export function categoryTypeToTransactionType(categoryType) {
-    if (categoryType === categoryConstants.allCategoryTypes.Income) {
-        return transactionConstants.allTransactionTypes.Income;
-    } else if (categoryType === categoryConstants.allCategoryTypes.Expense) {
-        return transactionConstants.allTransactionTypes.Expense;
-    } else if (categoryType === categoryConstants.allCategoryTypes.Transfer) {
-        return transactionConstants.allTransactionTypes.Transfer;
+    if (categoryType === CategoryType.Income) {
+        return TransactionType.Income;
+    } else if (categoryType === CategoryType.Expense) {
+        return TransactionType.Expense;
+    } else if (categoryType === CategoryType.Transfer) {
+        return TransactionType.Transfer;
     } else {
         return null;
     }
@@ -73,16 +73,16 @@ export function getTransactionSecondaryCategoryName(categoryId, allCategories) {
 export function allTransactionCategoriesWithVisibleCount(allTransactionCategories, allowCategoryTypes) {
     const ret = {};
     const hasAllowCategoryTypes = allowCategoryTypes
-        && (allowCategoryTypes[categoryConstants.allCategoryTypes.Income.toString()]
-            || allowCategoryTypes[categoryConstants.allCategoryTypes.Expense.toString()]
-            || allowCategoryTypes[categoryConstants.allCategoryTypes.Transfer.toString()]);
+        && (allowCategoryTypes[CategoryType.Income.toString()]
+            || allowCategoryTypes[CategoryType.Expense.toString()]
+            || allowCategoryTypes[CategoryType.Transfer.toString()]);
 
-    for (let key in categoryConstants.allCategoryTypes) {
-        if (!Object.prototype.hasOwnProperty.call(categoryConstants.allCategoryTypes, key)) {
+    for (let key in CategoryType) {
+        if (!Object.prototype.hasOwnProperty.call(CategoryType, key)) {
             continue;
         }
 
-        const categoryType = categoryConstants.allCategoryTypes[key];
+        const categoryType = CategoryType[key];
 
         if (!allTransactionCategories[categoryType]) {
             continue;

src/lib/clipboard.ts

@@ -0,0 +1,76 @@
+import Clipboard from 'clipboard';
+
+export interface ClipboardCreateContext {
+    readonly el: string | Element;
+    readonly text: string;
+    readonly successCallback?: (e: ClipboardEvent) => void;
+    readonly errorCallback?: (e: ClipboardEvent) => void;
+}
+
+export interface ClipboardEvent {
+    readonly text: string;
+    readonly action: string;
+}
+
+export class ClipboardTextHolder {
+    private text: string;
+
+    constructor(text: string) {
+        this.text = text;
+    }
+
+    public getText(): string {
+        return this.text;
+    }
+
+    public setText(text: string): void {
+        this.text = text;
+    }
+}
+
+export class ClipboardHolder {
+    private readonly textHolder: ClipboardTextHolder;
+    private readonly clipboard: Clipboard;
+
+    private constructor(textHolder: ClipboardTextHolder, clipboard: Clipboard) {
+        this.textHolder = textHolder;
+        this.clipboard = clipboard;
+    }
+
+    public setClipboardText(text: string): void {
+        this.textHolder.setText(text);
+    }
+
+    public destroy(): void {
+        this.clipboard.destroy();
+    }
+
+    public static create({ el, text, successCallback, errorCallback }: ClipboardCreateContext): ClipboardHolder {
+        const textHolder = new ClipboardTextHolder(text);
+        const clipboard = new Clipboard(el, {
+            text: function () {
+                return textHolder.getText();
+            }
+        });
+
+        clipboard.on('success', (e) => {
+            if (successCallback) {
+                successCallback({
+                    text: e.text,
+                    action: e.action
+                });
+            }
+        });
+
+        clipboard.on('error', (e) => {
+            if (errorCallback) {
+                errorCallback({
+                    text: e.text,
+                    action: e.action
+                });
+            }
+        });
+
+        return new ClipboardHolder(textHolder, clipboard);
+    }
+}

src/lib/color.js

@@ -1,16 +0,0 @@
-export function getColorsInRows(allColorInfos, itemPerRow) {
-    const ret = [];
-    let rowCount = -1;
-
-    for (let i = 0; i < allColorInfos.length; i++) {
-        if (i % itemPerRow === 0) {
-            ret[++rowCount] = [];
-        }
-
-        ret[rowCount].push({
-            color: allColorInfos[i]
-        });
-    }
-
-    return ret;
-}

src/lib/color.ts

@@ -0,0 +1,18 @@
+import type { ColorValue, ColorInfo } from '@/core/color.ts';
+
+export function getColorsInRows(allColorValues: ColorValue[], itemPerRow: number): ColorInfo[][] {
+    const ret: ColorInfo[][] = [];
+    let rowCount = -1;
+
+    for (let i = 0; i < allColorValues.length; i++) {
+        if (i % itemPerRow === 0) {
+            ret[++rowCount] = [];
+        }
+
+        ret[rowCount].push({
+            color: allColorValues[i]
+        });
+    }
+
+    return ret;
+}

src/lib/common.ts

@@ -1,16 +1,16 @@
-export function isFunction(val) {
+export function isFunction(val: unknown): boolean {
     return typeof(val) === 'function';
 }
 
-export function isDefined(val) {
+export function isDefined(val: unknown): boolean {
     return typeof val !== 'undefined';
 }
 
-export function isObject(val) {
+export function isObject(val: unknown): boolean {
     return val != null && typeof(val) === 'object' && !isArray(val);
 }
 
-export function isArray(val) {
+export function isArray(val: unknown): boolean {
     if (isFunction(Array.isArray)) {
         return Array.isArray(val);
     }
@@ -18,23 +18,23 @@ export function isArray(val) {
     return Object.prototype.toString.call(val) === '[object Array]';
 }
 
-export function isString(val) {
+export function isString(val: unknown): boolean {
     return typeof(val) === 'string';
 }
 
-export function isNumber(val) {
+export function isNumber(val: unknown): boolean {
     return typeof(val) === 'number';
 }
 
-export function isInteger(val) {
+export function isInteger(val: unknown): boolean {
     return Number.isInteger(val);
 }
 
-export function isBoolean(val) {
+export function isBoolean(val: unknown): boolean {
     return typeof(val) === 'boolean';
 }
 
-export function isYearMonth(val) {
+export function isYearMonth(val: unknown): boolean {
     if (typeof(val) !== 'string') {
         return false;
     }
@@ -45,50 +45,53 @@ export function isYearMonth(val) {
         return false;
     }
 
-    return parseInt(items[0]) && parseInt(items[1]);
+    return !!parseInt(items[0]) && !!parseInt(items[1]);
 }
 
-export function isEquals(obj1, obj2) {
+export function isEquals(obj1: unknown, obj2: unknown): boolean {
     if (obj1 === obj2) {
         return true;
     }
 
     if (isArray(obj1) && isArray(obj2)) {
-        if (obj1.length !== obj2.length) {
+        const arr1 = obj1 as unknown[];
+        const arr2 = obj2 as unknown[];
+
+        if (arr1.length !== arr2.length) {
             return false;
         }
 
-        for (let i = 0; i < obj1.length; i++) {
-            if (!isEquals(obj1[i], obj2[i])) {
+        for (let i = 0; i < arr1.length; i++) {
+            if (!isEquals(arr1[i], arr2[i])) {
                 return false;
             }
         }
 
         return true;
     } else if (isObject(obj1) && isObject(obj2)) {
-        const keys1 = Object.keys(obj1);
-        const keys2 = Object.keys(obj2);
+        const keys1 = Object.keys(obj1 as Record<string, unknown>);
+        const keys2 = Object.keys(obj2 as Record<string, unknown>);
 
         if (keys1.length !== keys2.length) {
             return false;
         }
 
-        const keyExistsMap2 = {};
+        const keyExistsMap2 = new Map<string, boolean>();
 
         for (let i = 0; i < keys2.length; i++) {
             const key = keys2[i];
 
-            keyExistsMap2[key] = true;
+            keyExistsMap2.set(key, true);
         }
 
         for (let i = 0; i < keys1.length; i++) {
             const key = keys1[i];
 
-            if (!keyExistsMap2[key]) {
+            if (!keyExistsMap2.get(key)) {
                 return false;
             }
 
-            if (!isEquals(obj1[key], obj2[key])) {
+            if (!isEquals((obj1 as Record<string, unknown>)[key], (obj2 as Record<string, unknown>)[key])) {
                 return false;
             }
         }
@@ -99,7 +102,7 @@ export function isEquals(obj1, obj2) {
     }
 }
 
-export function isYearMonthEquals(val1, val2) {
+export function isYearMonthEquals(val1: unknown, val2: unknown): boolean {
     if (typeof(val1) !== 'string' || typeof(val2) !== 'string') {
         return false;
     }
@@ -111,15 +114,15 @@ export function isYearMonthEquals(val1, val2) {
         return false;
     }
 
-    return (parseInt(items1[0]) && parseInt(items1[1])) && (parseInt(items1[0]) === parseInt(items2[0])) && (parseInt(items1[1]) === parseInt(items2[1]));
+    return (!!parseInt(items1[0]) && !!parseInt(items1[1])) && (parseInt(items1[0]) === parseInt(items2[0])) && (parseInt(items1[1]) === parseInt(items2[1]));
 }
 
-export function isObjectEmpty(obj) {
+export function isObjectEmpty(obj: object): boolean {
     if (!obj) {
         return true;
     }
 
-    for (let field in obj) {
+    for (const field in obj) {
         if (!Object.prototype.hasOwnProperty.call(obj, field)) {
             continue;
         }
@@ -130,20 +133,20 @@ export function isObjectEmpty(obj) {
     return true;
 }
 
-export function sortNumbersArray(array) {
+export function sortNumbersArray(array: number[]): number[] {
     return array.sort(function (num1, num2) {
         return num1 - num2;
     });
 }
 
-export function getObjectOwnFieldCount(object) {
+export function getObjectOwnFieldCount(object: object): number {
     let count = 0;
 
     if (!object || !isObject(object)) {
         return count;
     }
 
-    for (let field in object) {
+    for (const field in object) {
         if (!Object.prototype.hasOwnProperty.call(object, field)) {
             continue;
         }
@@ -154,7 +157,7 @@ export function getObjectOwnFieldCount(object) {
     return count;
 }
 
-export function replaceAll(value, originalValue, targetValue) {
+export function replaceAll(value: string, originalValue: string, targetValue: string): string {
     // Escape special characters in originalValue to safely use it in a regex pattern.
     // This ensures that characters like . (dot), * (asterisk), +, ?, etc. are treated literally,
     // rather than as special regex symbols.
@@ -163,11 +166,11 @@ export function replaceAll(value, originalValue, targetValue) {
     return value.replaceAll(new RegExp(escapedOriginalValue, 'g'), targetValue);
 }
 
-export function removeAll(value, originalValue) {
+export function removeAll(value: string, originalValue: string): string {
     return replaceAll(value, originalValue, '');
 }
 
-export function limitText(value, maxLength) {
+export function limitText(value: string, maxLength: number): string {
     let length = 0;
 
     for (let i = 0; i < value.length; i++) {
@@ -187,7 +190,7 @@ export function limitText(value, maxLength) {
     return value.substring(0, maxLength - 3) + '...';
 }
 
-export function getTextBefore(fullText, text) {
+export function getTextBefore(fullText: string, text: string): string {
     if (!text) {
         return fullText;
     }
@@ -201,7 +204,7 @@ export function getTextBefore(fullText, text) {
     return '';
 }
 
-export function getTextAfter(fullText, text) {
+export function getTextAfter(fullText: string, text: string): string {
     if (!text) {
         return fullText;
     }
@@ -216,15 +219,15 @@ export function getTextAfter(fullText, text) {
     return '';
 }
 
-export function base64encode(arrayBuffer) {
-    if (!arrayBuffer || arrayBuffer.length === 0) {
+export function base64encode(arrayBuffer: ArrayBuffer): string | null {
+    if (!arrayBuffer) {
         return null;
     }
 
-    return btoa(String.fromCharCode.apply(null, new Uint8Array(arrayBuffer)));
+    return btoa(String.fromCharCode.apply(null, Array.from(new Uint8Array(arrayBuffer))));
 }
 
-export function base64decode(str) {
+export function base64decode(str: string): string | null {
     if (!str) {
         return '';
     }
@@ -232,56 +235,64 @@ export function base64decode(str) {
     return atob(str);
 }
 
-export function arrayBufferToString(arrayBuffer) {
-    return String.fromCharCode.apply(null, new Uint8Array(arrayBuffer));
+export function arrayBufferToString(arrayBuffer: ArrayBuffer): string {
+    return String.fromCharCode.apply(null, Array.from(new Uint8Array(arrayBuffer)));
 }
 
-export function stringToArrayBuffer(str){
+export function stringToArrayBuffer(str: string): ArrayBuffer {
     return Uint8Array.from(str, c => c.charCodeAt(0)).buffer;
 }
 
-export function getFirstVisibleItem(items, hiddenField) {
-    if (isArray(items) && items.length > 0) {
-        for (let i = 0; i < items.length; i++) {
-            if (hiddenField && items[i][hiddenField]) {
+export function getFirstVisibleItem(items: Record<string, unknown>[] | Record<string, Record<string, unknown>>, hiddenField: string): unknown {
+    if (isArray(items) && (items as Record<string, unknown>[]).length > 0) {
+        const arr = items as Record<string, unknown>[];
+
+        for (let i = 0; i < arr.length; i++) {
+            if (hiddenField && arr[i][hiddenField]) {
                 continue;
             }
 
-            return items[i];
+            return arr[i];
         }
     } else if (isObject(items)) {
-        for (let field in items) {
-            if (!Object.prototype.hasOwnProperty.call(items, field)) {
+        const obj = items as Record<string, Record<string, unknown>>;
+
+        for (const field in obj) {
+            if (!Object.prototype.hasOwnProperty.call(obj, field)) {
                 continue;
             }
 
-            if (hiddenField && items[field][hiddenField]) {
+            if (hiddenField && obj[field][hiddenField]) {
                 continue;
             }
 
-            return items[field];
+            return obj[field];
         }
     }
 
     return null;
 }
 
-export function getItemByKeyValue(src, value, keyField) {
+export function getItemByKeyValue(src: Record<string, unknown>[] | Record<string, Record<string, unknown>>, value: unknown, keyField: string) {
     if (isArray(src)) {
-        for (let i = 0; i < src.length; i++) {
-            const item = src[i];
+        const arr = src as Record<string, unknown>[];
+
+        for (let i = 0; i < arr.length; i++) {
+            const item = arr[i];
 
             if (item[keyField] === value) {
                 return item;
             }
         }
     } else if (isObject(src)) {
-        for (let field in src) {
+        const obj = src as Record<string, Record<string, unknown>>;
+
+        for (const field in obj) {
             if (!Object.prototype.hasOwnProperty.call(src, field)) {
                 continue;
             }
 
-            const item = src[field];
+            const item = obj[field];
 
             if (item[keyField] === value) {
                 return item;
@@ -292,39 +303,47 @@ export function getItemByKeyValue(src, value, keyField) {
     return null;
 }
 
-export function getNameByKeyValue(src, value, keyField, nameField, defaultName) {
+export function getNameByKeyValue(src: Record<string, unknown>[] | Record<string, Record<string, unknown>>, value: unknown, keyField: string, nameField: string, defaultName: string): unknown {
     if (isArray(src)) {
+        const arr = src as Record<string, unknown>[];
+
         if (keyField) {
-            for (let i = 0; i < src.length; i++) {
-                const option = src[i];
+            for (let i = 0; i < arr.length; i++) {
+                const option = arr[i];
 
                 if (option[keyField] === value) {
                     return option[nameField];
                 }
             }
-        } else {
-            if (src[value]) {
-                const option = src[value];
+        } else if (isNumber(value)) {
+            const index = value as number;
+
+            if (arr[index]) {
+                const option = arr[index];
 
                 return option[nameField];
             }
         }
     } else if (isObject(src)) {
+        const obj = src as Record<string, Record<string, unknown>>;
+
         if (keyField) {
-            for (let key in src) {
+            for (const key in obj) {
                 if (!Object.prototype.hasOwnProperty.call(src, key)) {
                     continue;
                 }
 
-                const option = src[key];
+                const option = obj[key];
 
                 if (option[keyField] === value) {
                     return option[nameField];
                 }
             }
-        } else {
-            if (src[value]) {
-                const option = src[value];
+        } else if (isNumber(value)) {
+            const index = value as number;
+
+            if (obj[index]) {
+                const option = obj[index];
 
                 return option[nameField];
             }
@@ -334,7 +353,7 @@ export function getNameByKeyValue(src, value, keyField, nameField, defaultName)
     return defaultName;
 }
 
-export function copyObjectTo(fromObject, toObject) {
+export function copyObjectTo(fromObject: Record<string, unknown>, toObject: Record<string, unknown>): object {
     if (!isObject(fromObject)) {
         return toObject;
     }
@@ -343,7 +362,7 @@ export function copyObjectTo(fromObject, toObject) {
         toObject = {};
     }
 
-    for (let key in fromObject) {
+    for (const key in fromObject) {
         if (!Object.prototype.hasOwnProperty.call(fromObject, key)) {
             continue;
         }
@@ -352,9 +371,9 @@ export function copyObjectTo(fromObject, toObject) {
         const toValue = toObject[key];
 
         if (isArray(fromValue)) {
-            toObject[key] = copyArrayTo(fromValue, toValue);
+            toObject[key] = copyArrayTo(fromValue as unknown[], toValue as unknown[]);
         } else if (isObject(fromValue)) {
-            toObject[key] = copyObjectTo(fromValue, toValue);
+            toObject[key] = copyObjectTo(fromValue as Record<string, unknown>, toValue as Record<string, unknown>);
         } else {
             if (fromValue !== toValue) {
                 toObject[key] = fromValue;
@@ -365,7 +384,7 @@ export function copyObjectTo(fromObject, toObject) {
     return toObject;
 }
 
-export function copyArrayTo(fromArray, toArray) {
+export function copyArrayTo(fromArray: unknown[], toArray: unknown[]) {
     if (!isArray(fromArray)) {
         return toArray;
     }
@@ -381,9 +400,9 @@ export function copyArrayTo(fromArray, toArray) {
             const toValue = toArray[i];
 
             if (isArray(fromValue)) {
-                toArray[i] = copyArrayTo(fromValue, toValue);
+                toArray[i] = copyArrayTo(fromValue as unknown[], toValue as unknown[]);
             } else if (isObject(fromValue)) {
-                toArray[i] = copyObjectTo(fromValue, toValue);
+                toArray[i] = copyObjectTo(fromValue as Record<string, unknown>, toValue as Record<string, unknown>);
             } else {
                 if (fromValue !== toValue) {
                     toArray[i] = fromValue;
@@ -391,9 +410,9 @@ export function copyArrayTo(fromArray, toArray) {
             }
         } else {
             if (isArray(fromValue)) {
-                toArray.push(copyArrayTo(fromValue, []));
+                toArray.push(copyArrayTo(fromValue as unknown[], []));
             } else if (isObject(fromValue)) {
-                toArray.push(copyObjectTo(fromValue, {}));
+                toArray.push(copyObjectTo(fromValue as Record<string, unknown>, {}));
             } else {
                 toArray.push(fromValue);
             }
@@ -403,7 +422,7 @@ export function copyArrayTo(fromArray, toArray) {
     return toArray;
 }
 
-export function arrayContainsFieldValue(array, fieldName, value) {
+export function arrayContainsFieldValue(array: Record<string, unknown>[], fieldName: string, value: unknown): boolean {
     if (!value || !array || !array.length) {
         return false;
     }
@@ -417,10 +436,10 @@ export function arrayContainsFieldValue(array, fieldName, value) {
     return false;
 }
 
-export function objectFieldToArrayItem(object) {
-    const ret = [];
+export function objectFieldToArrayItem(object: object): string[] {
+    const ret: string[] = [];
 
-    for (let field in object) {
+    for (const field in object) {
         if (!Object.prototype.hasOwnProperty.call(object, field)) {
             continue;
         }
@@ -431,8 +450,8 @@ export function objectFieldToArrayItem(object) {
     return ret;
 }
 
-export function arrayItemToObjectField(array, value) {
-    const ret = {};
+export function arrayItemToObjectField(array: string[], value: unknown): Record<string, unknown> {
+    const ret: Record<string, unknown> = {};
 
     for (let i = 0; i < array.length; i++) {
         ret[array[i]] = value;
@@ -441,10 +460,10 @@ export function arrayItemToObjectField(array, value) {
     return ret;
 }
 
-export function categorizedArrayToPlainArray(object) {
-    const ret = [];
+export function categorizedArrayToPlainArray(object: Record<string, unknown[]>): unknown[] {
+    const ret: unknown[] = [];
 
-    for (let field in object) {
+    for (const field in object) {
         if (!Object.prototype.hasOwnProperty.call(object, field)) {
             continue;
         }
@@ -459,8 +478,8 @@ export function categorizedArrayToPlainArray(object) {
     return ret;
 }
 
-export function selectAll(filterItemIds, allItemsMap) {
-    for (let itemId in filterItemIds) {
+export function selectAll(filterItemIds: Record<string, boolean>, allItemsMap: { [key: string]: { id: string } }): void {
+    for (const itemId in filterItemIds) {
         if (!Object.prototype.hasOwnProperty.call(filterItemIds, itemId)) {
             continue;
         }
@@ -473,8 +492,8 @@ export function selectAll(filterItemIds, allItemsMap) {
     }
 }
 
-export function selectNone(filterItemIds, allItemsMap) {
-    for (let itemId in filterItemIds) {
+export function selectNone(filterItemIds: Record<string, boolean>, allItemsMap: { [key: string]: { id: string } }): void {
+    for (const itemId in filterItemIds) {
         if (!Object.prototype.hasOwnProperty.call(filterItemIds, itemId)) {
             continue;
         }
@@ -487,8 +506,8 @@ export function selectNone(filterItemIds, allItemsMap) {
     }
 }
 
-export function selectInvert(filterItemIds, allItemsMap) {
-    for (let itemId in filterItemIds) {
+export function selectInvert(filterItemIds: Record<string, boolean>, allItemsMap: { [key: string]: { id: string } }): void {
+    for (const itemId in filterItemIds) {
         if (!Object.prototype.hasOwnProperty.call(filterItemIds, itemId)) {
             continue;
         }
@@ -501,7 +520,7 @@ export function selectInvert(filterItemIds, allItemsMap) {
     }
 }
 
-export function isPrimaryItemHasSecondaryValue(primaryItem, primarySubItemsField, secondaryValueField, secondaryHiddenField, secondaryValue) {
+export function isPrimaryItemHasSecondaryValue(primaryItem: Record<string, Record<string, unknown>[]>, primarySubItemsField: string, secondaryValueField: string, secondaryHiddenField: string, secondaryValue: unknown): boolean {
     for (let i = 0; i < primaryItem[primarySubItemsField].length; i++) {
         const secondaryItem = primaryItem[primarySubItemsField][i];
 
@@ -519,11 +538,13 @@ export function isPrimaryItemHasSecondaryValue(primaryItem, primarySubItemsField
     return false;
 }
 
-export function getPrimaryValueBySecondaryValue(items, primarySubItemsField, primaryValueField, primaryHiddenField, secondaryValueField, secondaryHiddenField, secondaryValue) {
+export function getPrimaryValueBySecondaryValue(items: Record<string, Record<string, unknown>[]>[] | Record<string, Record<string, Record<string, unknown>[]>>, primarySubItemsField: string, primaryValueField: string, primaryHiddenField: string, secondaryValueField: string, secondaryHiddenField: string, secondaryValue: unknown): unknown {
     if (primarySubItemsField) {
         if (isArray(items)) {
-            for (let i = 0; i < items.length; i++) {
-                const primaryItem = items[i];
+            const arr = items as Record<string, Record<string, unknown>[]>[];
+
+            for (let i = 0; i < arr.length; i++) {
+                const primaryItem = arr[i];
 
                 if (primaryHiddenField && primaryItem[primaryHiddenField]) {
                     continue;
@@ -538,12 +559,14 @@ export function getPrimaryValueBySecondaryValue(items, primarySubItemsField, pri
                 }
             }
         } else {
-            for (let field in items) {
-                if (!Object.prototype.hasOwnProperty.call(items, field)) {
+            const obj = items as Record<string, Record<string, Record<string, unknown>[]>>;
+
+            for (const field in obj) {
+                if (!Object.prototype.hasOwnProperty.call(obj, field)) {
                     continue;
                 }
 
-                const primaryItem = items[field];
+                const primaryItem = obj[field];
 
                 if (primaryHiddenField && primaryItem[primaryHiddenField]) {
                     continue;
@@ -563,7 +586,7 @@ export function getPrimaryValueBySecondaryValue(items, primarySubItemsField, pri
     return null;
 }
 
-export function arrangeArrayWithNewStartIndex(array, startIndex) {
+export function arrangeArrayWithNewStartIndex(array: unknown[], startIndex: number): unknown[] {
     if (startIndex <= 0 || startIndex >= array.length) {
         return array;
     }

src/lib/currency.js

@@ -1,83 +0,0 @@
-import currencyConstants from '@/consts/currency.js';
-
-import { isString, isNumber } from './common.js';
-
-export function getCurrencyFraction(currencyCode) {
-    const currencyInfo = currencyConstants.all[currencyCode];
-
-    if (currencyInfo) {
-        return currencyInfo.fraction;
-    }
-
-    return null;
-}
-
-export function appendCurrencySymbol(value, currencyDisplayType, currencyCode, currencyUnit, currencyName, isPlural) {
-    if (isNumber(value)) {
-        value = value.toString();
-    }
-
-    if (!isString(value)) {
-        return value;
-    }
-
-    const symbol = getAmountPrependAndAppendCurrencySymbol(currencyDisplayType, currencyCode, currencyUnit, currencyName, isPlural);
-
-    if (!symbol) {
-        return value;
-    }
-
-    const separator = currencyDisplayType.separator || '';
-
-    if (symbol.prependText) {
-        value = symbol.prependText + separator + value;
-    }
-
-    if (symbol.appendText) {
-        value = value + separator + symbol.appendText;
-    }
-
-    return value;
-}
-
-export function getAmountPrependAndAppendCurrencySymbol(currencyDisplayType, currencyCode, currencyUnit, currencyName, isPlural) {
-    if (!currencyDisplayType) {
-        return null;
-    }
-
-    let symbol = '';
-
-    if (currencyDisplayType.symbol === currencyConstants.allCurrencyDisplaySymbol.Symbol) {
-        const currencyInfo = currencyConstants.all[currencyCode];
-
-        if (currencyInfo && currencyInfo.symbol && currencyInfo.symbol.normal) {
-            symbol = currencyInfo.symbol.normal;
-
-            if (isPlural && currencyInfo.symbol.plural) {
-                symbol = currencyInfo.symbol.plural;
-            }
-        }
-
-        if (!symbol) {
-            symbol = currencyConstants.defaultCurrencySymbol;
-        }
-    } else if (currencyDisplayType.symbol === currencyConstants.allCurrencyDisplaySymbol.Code) {
-        symbol = currencyCode;
-    } else if (currencyDisplayType.symbol === currencyConstants.allCurrencyDisplaySymbol.Unit) {
-        symbol = currencyUnit;
-    } else if (currencyDisplayType.symbol === currencyConstants.allCurrencyDisplaySymbol.Name) {
-        symbol = currencyName;
-    }
-
-    if (currencyDisplayType.location === currencyConstants.allCurrencyDisplayLocation.BeforeAmount) {
-        return {
-            prependText: symbol
-        };
-    } else if (currencyDisplayType.location === currencyConstants.allCurrencyDisplayLocation.AfterAmount) {
-        return {
-            appendText: symbol
-        };
-    } else {
-        return null;
-    }
-}

src/lib/currency.ts

@@ -0,0 +1,80 @@
+import { CurrencyDisplaySymbol, CurrencyDisplayLocation, type CurrencyPrependAndAppendText, CurrencyDisplayType } from '@/core/currency.ts';
+import { ALL_CURRENCIES, DEFAULT_CURRENCY_SYMBOL } from '@/consts/currency.ts';
+
+import { isString, isNumber } from './common.ts';
+
+export function getCurrencyFraction(currencyCode: string): number | undefined {
+    const currencyInfo = ALL_CURRENCIES[currencyCode];
+    return currencyInfo?.fraction;
+}
+
+export function appendCurrencySymbol(value: unknown, currencyDisplayType: CurrencyDisplayType, currencyCode: string, currencyUnit: string, currencyName: string, isPlural: boolean): string | null {
+    if (isNumber(value)) {
+        value = (value as number).toString();
+    }
+
+    if (!isString(value)) {
+        return null;
+    }
+
+    const symbol = getAmountPrependAndAppendCurrencySymbol(currencyDisplayType, currencyCode, currencyUnit, currencyName, isPlural);
+
+    if (!symbol) {
+        return value as string;
+    }
+
+    const separator = currencyDisplayType.separator || '';
+    let ret = value as string;
+
+    if (symbol.prependText) {
+        ret = symbol.prependText + separator + ret;
+    }
+
+    if (symbol.appendText) {
+        ret = ret + separator + symbol.appendText;
+    }
+
+    return ret;
+}
+
+export function getAmountPrependAndAppendCurrencySymbol(currencyDisplayType: CurrencyDisplayType, currencyCode: string, currencyUnit: string, currencyName: string, isPlural: boolean): CurrencyPrependAndAppendText | null {
+    if (!currencyDisplayType) {
+        return null;
+    }
+
+    let symbol = '';
+
+    if (currencyDisplayType.symbol === CurrencyDisplaySymbol.Symbol) {
+        const currencyInfo = ALL_CURRENCIES[currencyCode];
+
+        if (currencyInfo && currencyInfo.symbol && currencyInfo.symbol.normal) {
+            symbol = currencyInfo.symbol.normal;
+
+            if (isPlural && currencyInfo.symbol.plural) {
+                symbol = currencyInfo.symbol.plural;
+            }
+        }
+
+        if (!symbol) {
+            symbol = DEFAULT_CURRENCY_SYMBOL;
+        }
+    } else if (currencyDisplayType.symbol === CurrencyDisplaySymbol.Code) {
+        symbol = currencyCode;
+    } else if (currencyDisplayType.symbol === CurrencyDisplaySymbol.Unit) {
+        symbol = currencyUnit;
+    } else if (currencyDisplayType.symbol === CurrencyDisplaySymbol.Name) {
+        symbol = currencyName;
+    }
+
+    if (currencyDisplayType.location === CurrencyDisplayLocation.BeforeAmount) {
+        return {
+            prependText: symbol
+        };
+    } else if (currencyDisplayType.location === CurrencyDisplayLocation.AfterAmount) {
+        return {
+            appendText: symbol
+        };
+    } else {
+        return null;
+    }
+}

src/lib/datetime.js

@@ -1,7 +1,7 @@
 import moment from 'moment';
 
 import dateTimeConstants from '@/consts/datetime.js';
-import { isObject, isString, isNumber } from './common.js';
+import { isObject, isString, isNumber } from './common.ts';
 
 export function isYearMonthValid(year, month) {
     if (!isNumber(year) || !isNumber(month)) {

src/lib/file.ts

@@ -1,6 +1,6 @@
-import { isString } from './common.js';
+import { isString } from './common.ts';
 
-export function getFileExtension(filename) {
+export function getFileExtension(filename: string): string {
     if (!filename || !isString(filename)) {
         return '';
     }
@@ -9,7 +9,7 @@ export function getFileExtension(filename) {
     return parts[parts.length - 1];
 }
 
-export function isFileExtensionSupported(filename, supportedExtensions) {
+export function isFileExtensionSupported(filename: string, supportedExtensions: string): boolean {
     if (!supportedExtensions) {
         return false;
     }

src/lib/i18n.js

@@ -1,18 +1,23 @@
 import moment from 'moment-timezone';
 
-import { defaultLanguage, allLanguages } from '@/locales/index.js';
+import { defaultLanguage, allLanguages } from '@/locales/index.ts';
+
+import { TimezoneTypeForStatistics } from '@/core/timezone.ts';
+import { CurrencyDisplayType, CurrencySortingType } from '@/core/currency.ts';
+import { PresetAmountColor } from '@/core/color.ts';
+import { AccountType, AccountCategory } from '@/core/account.ts';
+import { CategoryType } from '@/core/category.ts';
+import { TransactionEditScopeType, TransactionTagFilterType } from '@/core/transaction.ts';
+import { ScheduledTemplateFrequencyType } from '@/core/template.ts';
+
 import numeralConstants from '@/consts/numeral.js';
 import datetimeConstants from '@/consts/datetime.js';
-import timezoneConstants from '@/consts/timezone.js';
-import currencyConstants from '@/consts/currency.js';
-import colorConstants from '@/consts/color.js';
-import accountConstants from '@/consts/account.js';
-import fileConstants from '@/consts/file.js';
-import categoryConstants from '@/consts/category.js';
-import transactionConstants from '@/consts/transaction.js';
-import templateConstants from '@/consts/template.js';
+import { UTC_TIMEZONE, ALL_TIMEZONES } from '@/consts/timezone.ts';
+import { ALL_CURRENCIES } from '@/consts/currency.ts';
+import { SUPPORTED_IMPORT_FILE_TYPES } from '@/consts/file.ts';
+import { DEFAULT_EXPENSE_CATEGORIES, DEFAULT_INCOME_CATEGORIES, DEFAULT_TRANSFER_CATEGORIES } from '@/consts/category.ts';
 import statisticsConstants from '@/consts/statistics.js';
-import apiConstants from '@/consts/api.js';
+import { KnownErrorCode, SPECIFIED_API_NOT_FOUND_ERRORS, PARAMETERIZED_ERRORS } from '@/consts/api.ts';
 
 import {
     isDefined,
@@ -22,7 +27,7 @@ import {
     getNameByKeyValue,
     copyObjectTo,
     copyArrayTo
-} from './common.js';
+} from './common.ts';
 
 import {
     isPM,
@@ -53,7 +58,7 @@ import {
     getCurrencyFraction,
     appendCurrencySymbol,
     getAmountPrependAndAppendCurrencySymbol
-} from './currency.js';
+} from './currency.ts';
 
 import {
     getCategorizedAccountsMap,
@@ -201,6 +206,21 @@ function getCurrentLanguageDisplayName(i18nGlobal) {
     return currentLanguageInfo.displayName;
 }
 
+function getLocalizedDisplayNameAndType(nameAndTypes, translateFn) {
+    const ret = [];
+
+    for (let i = 0; i < nameAndTypes.length; i++) {
+        const nameAndType = nameAndTypes[i];
+
+        ret.push({
+            type: nameAndType.type,
+            displayName: translateFn(nameAndType.name)
+        });
+    }
+
+    return ret;
+}
+
 function getDefaultCurrency(translateFn) {
     return translateFn('default.currency');
 }
@@ -214,7 +234,7 @@ function getCurrencyName(currencyCode, translateFn) {
 }
 
 function getCurrencyUnitName(currencyCode, isPlural, translateFn) {
-    const currencyInfo = currencyConstants.all[currencyCode];
+    const currencyInfo = ALL_CURRENCIES[currencyCode];
 
     if (currencyInfo && currencyInfo.unit) {
         if (isPlural) {
@@ -521,17 +541,16 @@ function getDateTimeFormat(translateFn, allFormatMap, allFormatArray, localeForm
 function getAllTimezones(includeSystemDefault, translateFn) {
     const defaultTimezoneOffset = getBrowserTimezoneOffset();
     const defaultTimezoneOffsetMinutes = getBrowserTimezoneOffsetMinutes();
-    const allTimezones = timezoneConstants.all;
     const allTimezoneInfos = [];
 
-    for (let i = 0; i < allTimezones.length; i++) {
-        const utcOffset = (allTimezones[i].timezoneName !== timezoneConstants.utcTimezoneName ? getTimezoneOffset(allTimezones[i].timezoneName) : '');
-        const displayName = translateFn(`timezone.${allTimezones[i].displayName}`);
+    for (let i = 0; i < ALL_TIMEZONES.length; i++) {
+        const utcOffset = (ALL_TIMEZONES[i].timezoneName !== UTC_TIMEZONE.timezoneName ? getTimezoneOffset(ALL_TIMEZONES[i].timezoneName) : '');
+        const displayName = translateFn(`timezone.${ALL_TIMEZONES[i].displayName}`);
 
         allTimezoneInfos.push({
-            name: allTimezones[i].timezoneName,
+            name: ALL_TIMEZONES[i].timezoneName,
             utcOffset: utcOffset,
-            utcOffsetMinutes: getTimezoneOffsetMinutes(allTimezones[i].timezoneName),
+            utcOffsetMinutes: getTimezoneOffsetMinutes(ALL_TIMEZONES[i].timezoneName),
             displayName: displayName,
             displayNameWithUtcOffset: `(UTC${utcOffset}) ${displayName}`
         });
@@ -595,11 +614,10 @@ function getTimezoneDifferenceDisplayText(utcOffset, translateFn) {
 }
 
 function getAllCurrencies(translateFn) {
-    const allCurrencyCodes = currencyConstants.all;
     const allCurrencies = [];
 
-    for (let currencyCode in allCurrencyCodes) {
-        if (!Object.prototype.hasOwnProperty.call(allCurrencyCodes, currencyCode)) {
+    for (let currencyCode in ALL_CURRENCIES) {
+        if (!Object.prototype.hasOwnProperty.call(ALL_CURRENCIES, currencyCode)) {
             continue;
         }
 
@@ -772,12 +790,12 @@ function getAllTimezoneTypesUsedForStatistics(currentTimezone, translateFn) {
 
     return [
         {
-            displayName: translateFn('Application Timezone') + ` (UTC${currentTimezoneOffset})`,
-            type: timezoneConstants.allTimezoneTypesUsedForStatistics.ApplicationTimezone
+            displayName: translateFn(TimezoneTypeForStatistics.ApplicationTimezone.name) + ` (UTC${currentTimezoneOffset})`,
+            type: TimezoneTypeForStatistics.ApplicationTimezone.type
         },
         {
-            displayName: translateFn('Transaction Timezone'),
-            type: timezoneConstants.allTimezoneTypesUsedForStatistics.TransactionTimezone
+            displayName: translateFn(TimezoneTypeForStatistics.TransactionTimezone.name),
+            type: TimezoneTypeForStatistics.TransactionTimezone.type
         }
     ];
 }
@@ -851,10 +869,10 @@ function getAllDigitGroupingTypes(translateFn) {
 
 function getAllCurrencyDisplayTypes(userStore, settingsStore, translateFn) {
     const defaultCurrencyDisplayTypeName = translateFn('default.currencyDisplayType');
-    let defaultCurrencyDisplayType = currencyConstants.allCurrencyDisplayType[defaultCurrencyDisplayTypeName];
+    let defaultCurrencyDisplayType = CurrencyDisplayType.parse(defaultCurrencyDisplayTypeName);
 
     if (!defaultCurrencyDisplayType) {
-        defaultCurrencyDisplayType = currencyConstants.defaultCurrencyDisplayType;
+        defaultCurrencyDisplayType = CurrencyDisplayType.Default;
     }
 
     const defaultCurrency = userStore.currentUserDefaultCurrency;
@@ -863,12 +881,14 @@ function getAllCurrencyDisplayTypes(userStore, settingsStore, translateFn) {
     const defaultSampleValue = getFormattedAmountWithCurrency(12345, defaultCurrency, translateFn, userStore, settingsStore, false, defaultCurrencyDisplayType);
 
     ret.push({
-        type: currencyConstants.defaultCurrencyDisplayTypeValue,
+        type: CurrencyDisplayType.LanguageDefaultType,
         displayName: `${translateFn('Language Default')} (${defaultSampleValue})`
     });
 
-    for (let i = 0; i < currencyConstants.allCurrencyDisplayTypeArray.length; i++) {
-        const type = currencyConstants.allCurrencyDisplayTypeArray[i];
+    const allCurrencyDisplayTypes = CurrencyDisplayType.values();
+
+    for (let i = 0; i < allCurrencyDisplayTypes.length; i++) {
+        const type = allCurrencyDisplayTypes[i];
         const sampleValue = getFormattedAmountWithCurrency(12345, defaultCurrency, translateFn, userStore, settingsStore, false, type);
         const displayName = `${translateFn(type.name)} (${sampleValue})`
 
@@ -882,22 +902,7 @@ function getAllCurrencyDisplayTypes(userStore, settingsStore, translateFn) {
 }
 
 function getAllCurrencySortingTypes(translateFn) {
-    const allCurrencySortingTypes = [];
-
-    for (const sortingTypeField in currencyConstants.allCurrencySortingTypes) {
-        if (!Object.prototype.hasOwnProperty.call(currencyConstants.allCurrencySortingTypes, sortingTypeField)) {
-            continue;
-        }
-
-        const sortingType = currencyConstants.allCurrencySortingTypes[sortingTypeField];
-
-        allCurrencySortingTypes.push({
-            type: sortingType.type,
-            displayName: translateFn(sortingType.name)
-        });
-    }
-
-    return allCurrencySortingTypes;
+    return getLocalizedDisplayNameAndType(CurrencySortingType.values(), translateFn);
 }
 
 function getCurrentDecimalSeparator(translateFn, decimalSeparator) {
@@ -970,15 +975,15 @@ function getFormattedAmount(value, translateFn, userStore, currencyCode) {
 }
 
 function getCurrentCurrencyDisplayType(translateFn, userStore) {
-    let currencyDisplayType = currencyConstants.allCurrencyDisplayTypeMap[userStore.currentUserCurrencyDisplayType];
+    let currencyDisplayType = CurrencyDisplayType.valueOf(userStore.currentUserCurrencyDisplayType);
 
     if (!currencyDisplayType) {
         const defaultCurrencyDisplayTypeName = translateFn('default.currencyDisplayType');
-        currencyDisplayType = currencyConstants.allCurrencyDisplayType[defaultCurrencyDisplayTypeName];
+        currencyDisplayType = CurrencyDisplayType.parse(defaultCurrencyDisplayTypeName);
     }
 
     if (!currencyDisplayType) {
-        currencyDisplayType = currencyConstants.defaultCurrencyDisplayType;
+        currencyDisplayType = CurrencyDisplayType.Default;
     }
 
     return currencyDisplayType;
@@ -1047,65 +1052,57 @@ function getAmountPrependAndAppendText(currencyCode, userStore, settingsStore, i
 }
 
 function getAllExpenseIncomeAmountColors(translateFn, expenseOrIncome) {
-    const allAmountColors = [];
+    const ret = [];
     let defaultAmountName = '';
 
     if (expenseOrIncome === 1) { // expense
-        defaultAmountName = colorConstants.defaultExpenseAmountColor.name;
+        defaultAmountName = PresetAmountColor.DefaultExpenseColor.name;
     } else if (expenseOrIncome === 2) { // income
-        defaultAmountName = colorConstants.defaultIncomeAmountColor.name;
+        defaultAmountName = PresetAmountColor.DefaultIncomeColor.name;
     }
 
     if (defaultAmountName) {
         defaultAmountName = translateFn('color.amount.' + defaultAmountName);
     }
 
-    allAmountColors.push({
-        type: colorConstants.defaultExpenseIncomeAmountValue,
+    ret.push({
+        type: PresetAmountColor.SystemDefaultType,
         displayName: translateFn('System Default') + (defaultAmountName ? ` (${defaultAmountName})` : '')
     });
 
-    for (let i = 0; i < colorConstants.allAmountColorsArray.length; i++) {
-        const amountColor = colorConstants.allAmountColorsArray[i];
+    const allPresetAmountColors = PresetAmountColor.values();
 
-        allAmountColors.push({
+    for (let i = 0; i < allPresetAmountColors.length; i++) {
+        const amountColor = allPresetAmountColors[i];
+
+        ret.push({
             type: amountColor.type,
             displayName: translateFn('color.amount.' + amountColor.name)
         });
     }
 
-    return allAmountColors;
+    return ret;
 }
 
 function getAllAccountCategories(translateFn) {
-    const allAccountCategories = [];
+    const ret = [];
+    const allCategories = AccountCategory.values();
 
-    for (let i = 0; i < accountConstants.allCategories.length; i++) {
-        const accountCategory = accountConstants.allCategories[i];
+    for (let i = 0; i < allCategories.length; i++) {
+        const accountCategory = allCategories[i];
 
-        allAccountCategories.push({
-            id: accountCategory.id,
+        ret.push({
+            type: accountCategory.type,
             displayName: translateFn(accountCategory.name),
             defaultAccountIconId: accountCategory.defaultAccountIconId
         });
     }
 
-    return allAccountCategories;
+    return ret;
 }
 
 function getAllAccountTypes(translateFn) {
-    const allAccountTypes = [];
-
-    for (let i = 0; i < accountConstants.allAccountTypesArray.length; i++) {
-        const accountType = accountConstants.allAccountTypesArray[i];
-
-        allAccountTypes.push({
-            id: accountType.id,
-            displayName: translateFn(accountType.name)
-        });
-    }
-
-    return allAccountTypes;
+    return getLocalizedDisplayNameAndType(AccountType.values(), translateFn);
 }
 
 function getAllCategoricalChartTypes(translateFn) {
@@ -1202,60 +1199,15 @@ function getAllStatisticsDateAggregationTypes(translateFn) {
 }
 
 function getAllTransactionEditScopeTypes(translateFn) {
-    const allEditScopeTypes = [];
-
-    for (const typeName in transactionConstants.allTransactionEditScopeTypes) {
-        if (!Object.prototype.hasOwnProperty.call(transactionConstants.allTransactionEditScopeTypes, typeName)) {
-            continue;
-        }
-
-        const editScopeType = transactionConstants.allTransactionEditScopeTypes[typeName];
-
-        allEditScopeTypes.push({
-            type: editScopeType.type,
-            displayName: translateFn(editScopeType.name)
-        });
-    }
-
-    return allEditScopeTypes;
+    return getLocalizedDisplayNameAndType(TransactionEditScopeType.values(), translateFn);
 }
 
 function getAllTransactionTagFilterTypes(translateFn) {
-    const allTagFilterTypes = [];
-
-    for (const typeName in transactionConstants.allTransactionTagFilterTypes) {
-        if (!Object.prototype.hasOwnProperty.call(transactionConstants.allTransactionTagFilterTypes, typeName)) {
-            continue;
-        }
-
-        const tagFilterType = transactionConstants.allTransactionTagFilterTypes[typeName];
-
-        allTagFilterTypes.push({
-            type: tagFilterType.type,
-            displayName: translateFn(tagFilterType.name)
-        });
-    }
-
-    return allTagFilterTypes;
+    return getLocalizedDisplayNameAndType(TransactionTagFilterType.values(), translateFn);
 }
 
 function getAllTransactionScheduledFrequencyTypes(translateFn) {
-    const allScheduledFrequencyTypes = [];
-
-    for (const typeName in templateConstants.allTemplateScheduledFrequencyTypes) {
-        if (!Object.prototype.hasOwnProperty.call(templateConstants.allTemplateScheduledFrequencyTypes, typeName)) {
-            continue;
-        }
-
-        const frequencyType = templateConstants.allTemplateScheduledFrequencyTypes[typeName];
-
-        allScheduledFrequencyTypes.push({
-            type: frequencyType.type,
-            displayName: translateFn(frequencyType.name)
-        });
-    }
-
-    return allScheduledFrequencyTypes;
+    return getLocalizedDisplayNameAndType(ScheduledTemplateFrequencyType.values(), translateFn);
 }
 
 function getAllTransactionDefaultCategories(categoryType, locale, translateFn) {
@@ -1263,7 +1215,7 @@ function getAllTransactionDefaultCategories(categoryType, locale, translateFn) {
     const categoryTypes = [];
 
     if (categoryType === 0) {
-        for (let i = categoryConstants.allCategoryTypes.Income; i <= categoryConstants.allCategoryTypes.Transfer; i++) {
+        for (let i = CategoryType.Income; i <= CategoryType.Transfer; i++) {
             categoryTypes.push(i);
         }
     } else {
@@ -1275,12 +1227,12 @@ function getAllTransactionDefaultCategories(categoryType, locale, translateFn) {
         const categoryType = categoryTypes[i];
         let defaultCategories = [];
 
-        if (categoryType === categoryConstants.allCategoryTypes.Income) {
-            defaultCategories = copyArrayTo(categoryConstants.defaultIncomeCategories, []);
-        } else if (categoryType === categoryConstants.allCategoryTypes.Expense) {
-            defaultCategories = copyArrayTo(categoryConstants.defaultExpenseCategories, []);
-        } else if (categoryType === categoryConstants.allCategoryTypes.Transfer) {
-            defaultCategories = copyArrayTo(categoryConstants.defaultTransferCategories, []);
+        if (categoryType === CategoryType.Income) {
+            defaultCategories = copyArrayTo(DEFAULT_INCOME_CATEGORIES, []);
+        } else if (categoryType === CategoryType.Expense) {
+            defaultCategories = copyArrayTo(DEFAULT_EXPENSE_CATEGORIES, []);
+        } else if (categoryType === CategoryType.Transfer) {
+            defaultCategories = copyArrayTo(DEFAULT_TRANSFER_CATEGORIES, []);
         }
 
         for (let j = 0; j < defaultCategories.length; j++) {
@@ -1330,15 +1282,15 @@ function getAllDisplayExchangeRates(settingsStore, exchangeRatesData, translateF
         });
     }
 
-    if (settingsStore.appSettings.currencySortByInExchangeRatesPage === currencyConstants.allCurrencySortingTypes.Name.type) {
+    if (settingsStore.appSettings.currencySortByInExchangeRatesPage === CurrencySortingType.Name.type) {
         availableExchangeRates.sort(function(c1, c2) {
             return c1.currencyDisplayName.localeCompare(c2.currencyDisplayName);
         });
-    } else if (settingsStore.appSettings.currencySortByInExchangeRatesPage === currencyConstants.allCurrencySortingTypes.CurrencyCode.type) {
+    } else if (settingsStore.appSettings.currencySortByInExchangeRatesPage === CurrencySortingType.CurrencyCode.type) {
         availableExchangeRates.sort(function(c1, c2) {
             return c1.currencyCode.localeCompare(c2.currencyCode);
         });
-    } else if (settingsStore.appSettings.currencySortByInExchangeRatesPage === currencyConstants.allCurrencySortingTypes.ExchangeRate.type) {
+    } else if (settingsStore.appSettings.currencySortByInExchangeRatesPage === CurrencySortingType.ExchangeRate.type) {
         availableExchangeRates.sort(function(c1, c2) {
             const rate1 = parseFloat(c1.rate);
             const rate2 = parseFloat(c2.rate);
@@ -1359,8 +1311,8 @@ function getAllDisplayExchangeRates(settingsStore, exchangeRatesData, translateF
 function getAllSupportedImportFileTypes(i18nGlobal, translateFn) {
     const allSupportedImportFileTypes = [];
 
-    for (let i = 0; i < fileConstants.supportedImportFileTypes.length; i++) {
-        const fileType = fileConstants.supportedImportFileTypes[i];
+    for (let i = 0; i < SUPPORTED_IMPORT_FILE_TYPES.length; i++) {
+        const fileType = SUPPORTED_IMPORT_FILE_TYPES[i];
         let document = {
             language: '',
             displayLanguageName: '',
@@ -1434,16 +1386,17 @@ function getEnableDisableOptions(translateFn) {
 
 function getCategorizedAccountsWithDisplayBalance(allVisibleAccounts, showAccountBalance, defaultCurrency, userStore, settingsStore, exchangeRatesStore, translateFn) {
     const ret = [];
+    const allCategories = AccountCategory.values();
     const categorizedAccounts = copyObjectTo(getCategorizedAccountsMap(allVisibleAccounts), {});
 
-    for (let i = 0; i < accountConstants.allCategories.length; i++) {
-        const category = accountConstants.allCategories[i];
+    for (let i = 0; i < allCategories.length; i++) {
+        const category = allCategories[i];
 
-        if (!categorizedAccounts[category.id]) {
+        if (!categorizedAccounts[category.type]) {
             continue;
         }
 
-        const accountCategory = categorizedAccounts[category.id];
+        const accountCategory = categorizedAccounts[category.type];
 
         if (accountCategory.accounts) {
             for (let i = 0; i < accountCategory.accounts.length; i++) {
@@ -1527,20 +1480,20 @@ function joinMultiText(textArray, translateFn) {
 }
 
 function getLocalizedError(error) {
-    if (error.errorCode === apiConstants.apiNotFoundErrorCode && apiConstants.specifiedApiNotFoundErrors[error.path]) {
+    if (error.errorCode === KnownErrorCode.ApiNotFound && SPECIFIED_API_NOT_FOUND_ERRORS[error.path]) {
         return {
-            message: `${apiConstants.specifiedApiNotFoundErrors[error.path].message}`
+            message: `${SPECIFIED_API_NOT_FOUND_ERRORS[error.path].message}`
         };
     }
 
-    if (error.errorCode !== apiConstants.validatorErrorCode) {
+    if (error.errorCode !== KnownErrorCode.ValidatorError) {
         return {
             message: `error.${error.errorMessage}`
         };
     }
 
-    for (let i = 0; i < apiConstants.parameterizedErrors.length; i++) {
-        const errorInfo = apiConstants.parameterizedErrors[i];
+    for (let i = 0; i < PARAMETERIZED_ERRORS.length; i++) {
+        const errorInfo = PARAMETERIZED_ERRORS[i];
         const matches = error.errorMessage.match(errorInfo.regex);
 
         if (matches && matches.length === errorInfo.parameters.length + 1) {

src/lib/icon.ts

@@ -1,8 +1,10 @@
-export function getIconsInRows(allIconInfos, itemPerRow) {
-    const ret = [];
+import type { IconInfo, IconInfoWithId } from '@/core/icon.ts';
+
+export function getIconsInRows(allIconInfos: IconInfo[], itemPerRow: number): IconInfoWithId[][] {
+    const ret: IconInfoWithId[][] = [];
     let rowCount = 0;
 
-    for (let iconInfoId in allIconInfos) {
+    for (const iconInfoId in allIconInfos) {
         if (!Object.prototype.hasOwnProperty.call(allIconInfos, iconInfoId)) {
             continue;
         }

src/lib/licenses.js

@@ -1,8 +0,0 @@
-export default {
-    getLicense: () => {
-        return __EZBOOKKEEPING_LICENSE__; // eslint-disable-line
-    },
-    getThirdPartyLicenses: () => {
-        return __EZBOOKKEEPING_THIRD_PARTY_LICENSES__ || []; // eslint-disable-line
-    }
-};

src/lib/licenses.ts

@@ -0,0 +1,7 @@
+export function getLicense(): string {
+    return __EZBOOKKEEPING_LICENSE__;
+}
+
+export function getThirdPartyLicenses(): string[] {
+    return __EZBOOKKEEPING_THIRD_PARTY_LICENSES__ || [];
+}

src/lib/map/amap.js

@@ -1,10 +1,10 @@
-import { asyncLoadAssets } from '@/lib/misc.js';
+import { asyncLoadAssets } from '@/lib/misc.ts';
 import services from '@/lib/services.js';
 import {
     getAmapSecurityVerificationMethod,
     getAmapApiExternalProxyUrl,
     getAmapApplicationSecret
-} from '@/lib/server_settings.js';
+} from '@/lib/server_settings.ts';
 import logger from '@/lib/logger.js';
 
 const amapHolder = {

src/lib/map/baidumap.js

@@ -1,4 +1,4 @@
-import { asyncLoadAssets } from '@/lib/misc.js';
+import { asyncLoadAssets } from '@/lib/misc.ts';
 import services from '@/lib/services.js';
 import logger from '@/lib/logger.js';
 

src/lib/map/googlemap.js

@@ -1,4 +1,4 @@
-import { asyncLoadAssets } from '@/lib/misc.js';
+import { asyncLoadAssets } from '@/lib/misc.ts';
 import services from '@/lib/services.js';
 
 const googleMapHolder = {

src/lib/map/index.js

@@ -1,7 +1,7 @@
-import mapConstants from '@/consts/map.js';
+import { LEAFLET_TILE_SOURCES } from '@/consts/map.ts';
 import {
     getMapProvider
-} from '@/lib/server_settings.js';
+} from '@/lib/server_settings.ts';
 
 import {
     loadLeafletMapAssets,
@@ -45,8 +45,8 @@ import {
 export function getMapWebsite() {
     if (getMapProvider() === 'custom') {
         return '';
-    } else if (mapConstants.leafletTileSources[getMapProvider()]) {
-        return mapConstants.leafletTileSources[getMapProvider()].website;
+    } else if (LEAFLET_TILE_SOURCES[getMapProvider()]) {
+        return LEAFLET_TILE_SOURCES[getMapProvider()].website;
     } else if (getMapProvider() === 'googlemap') {
         return getGoogleMapWebsite();
     } else if (getMapProvider() === 'baidumap') {
@@ -57,7 +57,7 @@ export function getMapWebsite() {
 }
 
 export function loadMapAssets(language) {
-    if (mapConstants.leafletTileSources[getMapProvider()] || getMapProvider() === 'custom') {
+    if (LEAFLET_TILE_SOURCES[getMapProvider()] || getMapProvider() === 'custom') {
         return loadLeafletMapAssets(language);
     } else if (getMapProvider() === 'googlemap') {
         return loadGoogleMapAssets(language);
@@ -69,7 +69,7 @@ export function loadMapAssets(language) {
 }
 
 export function createMapHolder() {
-    if (mapConstants.leafletTileSources[getMapProvider()] || getMapProvider() === 'custom') {
+    if (LEAFLET_TILE_SOURCES[getMapProvider()] || getMapProvider() === 'custom') {
         return createLeafletMapHolder(getMapProvider());
     } else if (getMapProvider() === 'googlemap') {
         return createGoogleMapHolder(getMapProvider());
@@ -87,7 +87,7 @@ export function initMapInstance(mapHolder, mapContainer, options) {
         return;
     }
 
-    if (mapConstants.leafletTileSources[getMapProvider()] || getMapProvider() === 'custom') {
+    if (LEAFLET_TILE_SOURCES[getMapProvider()] || getMapProvider() === 'custom') {
         createLeafletMapInstance(mapHolder, mapContainer, options);
     } else if (mapHolder.mapProvider === 'googlemap') {
         createGoogleMapInstance(mapHolder, mapContainer, options);
@@ -103,7 +103,7 @@ export function setMapCenterTo(mapHolder, center, zoomLevel) {
         return;
     }
 
-    if (mapConstants.leafletTileSources[getMapProvider()] || getMapProvider() === 'custom') {
+    if (LEAFLET_TILE_SOURCES[getMapProvider()] || getMapProvider() === 'custom') {
         setLeafletMapCenterTo(mapHolder, center, zoomLevel);
     } else if (mapHolder.mapProvider === 'googlemap') {
         setGoogleMapCenterTo(mapHolder, center, zoomLevel);
@@ -119,7 +119,7 @@ export function setMapCenterMarker(mapHolder, position) {
         return;
     }
 
-    if (mapConstants.leafletTileSources[getMapProvider()] || getMapProvider() === 'custom') {
+    if (LEAFLET_TILE_SOURCES[getMapProvider()] || getMapProvider() === 'custom') {
         setLeafletMapCenterMaker(mapHolder, position);
     } else if (mapHolder.mapProvider === 'googlemap') {
         setGoogleMapCenterMaker(mapHolder, position);
@@ -135,7 +135,7 @@ export function removeMapCenterMarker(mapHolder) {
         return;
     }
 
-    if (mapConstants.leafletTileSources[getMapProvider()] || getMapProvider() === 'custom') {
+    if (LEAFLET_TILE_SOURCES[getMapProvider()] || getMapProvider() === 'custom') {
         removeLeafletMapCenterMaker(mapHolder);
     } else if (mapHolder.mapProvider === 'googlemap') {
         removeGoogleMapCenterMaker(mapHolder);

src/lib/map/leaflet.js

@@ -1,4 +1,4 @@
-import mapConstants from '@/consts/map.js';
+import { LEAFLET_TILE_SOURCES } from '@/consts/map.ts';
 import {
     isMapDataFetchProxyEnabled,
     getCustomMapTileLayerUrl,
@@ -9,7 +9,7 @@ import {
     getCustomMapDefaultZoomLevel,
     getTomTomMapAPIKey,
     getTianDiTuMapAPIKey
-} from '@/lib/server_settings.js';
+} from '@/lib/server_settings.ts';
 import services from '@/lib/services.js';
 
 const leafletHolder = {
@@ -24,7 +24,7 @@ export function loadLeafletMapAssets() {
 }
 
 export function createLeafletMapHolder(mapProvider) {
-    const mapTileSource = mapConstants.leafletTileSources[mapProvider];
+    const mapTileSource = LEAFLET_TILE_SOURCES[mapProvider];
 
     if (mapProvider !== 'custom' && !mapTileSource) {
         return null;
@@ -60,7 +60,7 @@ export function createLeafletMapInstance(mapHolder, mapContainer, options) {
     let mapTileSource = null;
 
     if (mapHolder.mapProvider !== 'custom') {
-        mapTileSource = Object.assign({}, mapConstants.leafletTileSources[mapHolder.mapProvider]);
+        mapTileSource = Object.assign({}, LEAFLET_TILE_SOURCES[mapHolder.mapProvider]);
     } else {
         mapTileSource = createCustomMapSource();
     }

src/lib/misc.js

@@ -1,229 +0,0 @@
-import Clipboard from 'clipboard';
-import CryptoJS from 'crypto-js';
-import uaParser from 'ua-parser-js';
-
-import { base64encode } from './common.js';
-
-export function asyncLoadAssets(type, assetUrl) {
-    return new Promise(function (resolve, reject) {
-        let addElement = false;
-        let el = null;
-
-        if (type === 'js') {
-            el = document.querySelector('script[src="' + assetUrl + '"]');
-        } else if (type === 'css') {
-            el = document.querySelector('link[href="' + assetUrl + '"]');
-        } else {
-            reject({
-                type: type,
-                assetUrl: assetUrl,
-                error: 'notsupport'
-            });
-            return;
-        }
-
-        if (!el) {
-            if (type === 'js') {
-                el = document.createElement('script');
-                el.setAttribute('type', 'text/javascript');
-                el.setAttribute('async', 'true');
-                el.setAttribute('src', assetUrl);
-            } else if (type === 'css') {
-                el = document.createElement('link');
-                el.setAttribute('rel', 'stylesheet');
-                el.setAttribute('type', 'text/css');
-                el.setAttribute('href', assetUrl);
-            }
-
-            addElement = true;
-        } else if (el.hasAttribute('data-loaded')) {
-            resolve({
-                type: type,
-                assetUrl: assetUrl
-            });
-            return;
-        }
-
-        el.addEventListener('load', () => {
-            el.setAttribute('data-loaded', true);
-            resolve({
-                type: type,
-                assetUrl: assetUrl
-            });
-        });
-        el.addEventListener('error', () => {
-            reject({
-                type: type,
-                assetUrl: assetUrl,
-                error: 'error'
-            });
-        });
-        el.addEventListener('abort', () => {
-            reject({
-                type: type,
-                assetUrl: assetUrl,
-                error: 'abort'
-            });
-        });
-
-        if (addElement) {
-            document.head.appendChild(el);
-        }
-    });
-}
-
-export function generateRandomString() {
-    let baseString = 'ebk_' + new Date().getTime();
-
-    if (crypto && crypto.getRandomValues) {
-        const randoms = new Uint8Array(256);
-        crypto.getRandomValues(randoms);
-        baseString += '_' + base64encode(randoms);
-    } else {
-        baseString += '_' + Math.random();
-    }
-
-    return CryptoJS.SHA256(baseString).toString();
-}
-
-export function generateRandomUUID() {
-    const randomString = generateRandomString();
-
-    // convert hash string to UUID Version 8
-    const uuid = randomString.substring(0, 8) + '-'
-        + randomString.substring(8, 12) + '-'
-        + '8' + randomString.substring(13, 16) + '-'
-        + (0x8 | (parseInt(randomString.charAt(16), 16) & 0x3)).toString(16) + randomString.substring(17, 20) + '-'
-        + randomString.substring(20, 32);
-
-    return uuid;
-}
-
-export function isSessionUserAgentCreatedByCli(ua) {
-    return ua === 'ezbookkeeping Cli';
-}
-
-export function parseUserAgent(ua) {
-    const uaParseRet = uaParser(ua);
-
-    return {
-        device: {
-            vendor: uaParseRet.device.vendor,
-            model: uaParseRet.device.model,
-            type: uaParseRet.device.type
-        },
-        os: {
-            name: uaParseRet.os.name,
-            version: uaParseRet.os.version
-        },
-        browser: {
-            name: uaParseRet.browser.name,
-            version: uaParseRet.browser.version
-        }
-    };
-}
-
-export function parseDeviceInfo(uaInfo) {
-    if (!uaInfo) {
-        return '';
-    }
-
-    let result = '';
-
-    if (uaInfo.device && uaInfo.device.model) {
-        result = uaInfo.device.model;
-    } else if (uaInfo.os && uaInfo.os.name) {
-        result = uaInfo.os.name;
-
-        if (uaInfo.os.version) {
-            result += ' ' + uaInfo.os.version;
-        }
-    }
-
-    if (uaInfo.browser && uaInfo.browser.name) {
-        let browserInfo = uaInfo.browser.name;
-
-        if (uaInfo.browser.version) {
-            browserInfo += ' ' + uaInfo.browser.version;
-        }
-
-        if (result) {
-            result += ' (' + browserInfo + ')';
-        } else {
-            result = browserInfo;
-        }
-    }
-
-    if (!result) {
-        return 'Unknown Device';
-    }
-
-    return result;
-}
-
-export function parseSessionInfo(token) {
-    const isCreatedByCli = isSessionUserAgentCreatedByCli(token.userAgent);
-    const uaInfo = parseUserAgent(token.userAgent);
-    let deviceType = '';
-
-    if (isCreatedByCli) {
-        deviceType = 'cli';
-    } else {
-        if (uaInfo && uaInfo.device) {
-            if (uaInfo.device.type === 'mobile') {
-                deviceType = 'phone';
-            } else if (uaInfo.device.type === 'wearable') {
-                deviceType = 'wearable';
-            } else if (uaInfo.device.type === 'tablet') {
-                deviceType = 'tablet';
-            } else if (uaInfo.device.type === 'smarttv') {
-                deviceType = 'tv';
-            } else {
-                deviceType = 'default';
-            }
-        } else {
-            deviceType = 'default';
-        }
-    }
-
-    return {
-        tokenId: token.tokenId,
-        isCurrent: token.isCurrent,
-        deviceType: deviceType,
-        deviceInfo: isCreatedByCli ? token.userAgent : parseDeviceInfo(uaInfo),
-        createdByCli: isCreatedByCli,
-        lastSeen: token.lastSeen
-    }
-}
-
-export function makeButtonCopyToClipboard({ text, el, successCallback, errorCallback }) {
-    const clipboard = new Clipboard(el, {
-        text: function () {
-            return text;
-        }
-    });
-
-    clipboard.on('success', (e) => {
-        if (successCallback) {
-            successCallback(e);
-        }
-    });
-
-    clipboard.on('error', (e) => {
-        if (errorCallback) {
-            errorCallback(e);
-        }
-    });
-
-    return clipboard;
-}
-
-export function changeClipboardObjectText(clipboard, text) {
-    if (!clipboard) {
-        return;
-    }
-
-    clipboard.text = function () {
-        return text;
-    };
-}

src/lib/misc.ts

@@ -0,0 +1,112 @@
+import CryptoJS from 'crypto-js';
+
+import { base64encode } from './common.ts';
+
+export interface AsyncLoadAssetsResult {
+    readonly type: string;
+    readonly assetUrl: string;
+}
+
+export function asyncLoadAssets(type: string, assetUrl: string): Promise<AsyncLoadAssetsResult> {
+    return new Promise(function (resolve, reject) {
+        let addElement = false;
+        let el = null;
+
+        if (type === 'js') {
+            el = document.querySelector('script[src="' + assetUrl + '"]');
+        } else if (type === 'css') {
+            el = document.querySelector('link[href="' + assetUrl + '"]');
+        } else {
+            reject({
+                type: type,
+                assetUrl: assetUrl,
+                error: 'notsupport'
+            });
+            return;
+        }
+
+        if (!el) {
+            if (type === 'js') {
+                el = document.createElement('script');
+                el.setAttribute('type', 'text/javascript');
+                el.setAttribute('async', 'true');
+                el.setAttribute('src', assetUrl);
+            } else if (type === 'css') {
+                el = document.createElement('link');
+                el.setAttribute('rel', 'stylesheet');
+                el.setAttribute('type', 'text/css');
+                el.setAttribute('href', assetUrl);
+            }
+
+            addElement = true;
+        } else if (el.hasAttribute('data-loaded')) {
+            resolve({
+                type: type,
+                assetUrl: assetUrl
+            });
+            return;
+        }
+
+        if (!el) {
+            reject({
+                type: type,
+                assetUrl: assetUrl,
+                error: 'unexpected'
+            });
+            return;
+        }
+
+        el.addEventListener('load', () => {
+            el.setAttribute('data-loaded', 'true');
+            resolve({
+                type: type,
+                assetUrl: assetUrl
+            });
+        });
+        el.addEventListener('error', () => {
+            reject({
+                type: type,
+                assetUrl: assetUrl,
+                error: 'error'
+            });
+        });
+        el.addEventListener('abort', () => {
+            reject({
+                type: type,
+                assetUrl: assetUrl,
+                error: 'abort'
+            });
+        });
+
+        if (addElement) {
+            document.head.appendChild(el);
+        }
+    });
+}
+
+export function generateRandomString(): string {
+    let baseString = 'ebk_' + new Date().getTime();
+
+    if (crypto && crypto.getRandomValues) {
+        const randoms = new Uint8Array(256);
+        crypto.getRandomValues(randoms);
+        baseString += '_' + base64encode(randoms.buffer);
+    } else {
+        baseString += '_' + Math.random();
+    }
+
+    return CryptoJS.SHA256(baseString).toString();
+}
+
+export function generateRandomUUID(): string {
+    const randomString = generateRandomString();
+
+    // convert hash string to UUID Version 8
+    const uuid = randomString.substring(0, 8) + '-'
+        + randomString.substring(8, 12) + '-'
+        + '8' + randomString.substring(13, 16) + '-'
+        + (0x8 | (parseInt(randomString.charAt(16), 16) & 0x3)).toString(16) + randomString.substring(17, 20) + '-'
+        + randomString.substring(20, 32);
+
+    return uuid;
+}

src/lib/numeral.js

@@ -1,6 +1,6 @@
 import numeralConstants from '@/consts/numeral.js';
 
-import { isString, isNumber, removeAll } from './common.js';
+import { isString, isNumber, removeAll } from './common.ts';
 
 export function appendDigitGroupingSymbol(value, options) {
     if (isNumber(value)) {

src/lib/server_settings.js

@@ -1,109 +0,0 @@
-const serverSettingsGlobalVariableName = 'EZBOOKKEEPING_SERVER_SETTINGS';
-
-function getServerSetting(key) {
-    const settings = window[serverSettingsGlobalVariableName] || {};
-    return settings[key];
-}
-
-export function isUserRegistrationEnabled() {
-    return getServerSetting('r') === 1;
-}
-
-export function isUserForgetPasswordEnabled() {
-    return getServerSetting('f') === 1;
-}
-
-export function isUserVerifyEmailEnabled() {
-    return getServerSetting('v') === 1;
-}
-
-export function isTransactionPicturesEnabled() {
-    return getServerSetting('p') === 1;
-}
-
-export function isUserScheduledTransactionEnabled() {
-    return getServerSetting('s') === 1;
-}
-
-export function isDataExportingEnabled() {
-    return getServerSetting('e') === 1;
-}
-
-export function isDataImportingEnabled() {
-    return getServerSetting('i') === 1;
-}
-
-export function getLoginPageTips() {
-    return getServerSetting('lpt');
-}
-
-export function getMapProvider() {
-    return getServerSetting('m');
-}
-
-export function isMapDataFetchProxyEnabled() {
-    return getServerSetting('mp') === 1;
-}
-
-export function getCustomMapTileLayerUrl() {
-    return getServerSetting('cmsu');
-}
-
-export function getCustomMapAnnotationLayerUrl() {
-    return getServerSetting('cmau');
-}
-
-export function isCustomMapAnnotationLayerDataFetchProxyEnabled() {
-    return getServerSetting('cmap') === 1;
-}
-
-export function getCustomMapMinZoomLevel() {
-    const zoomLevelSettings = (getServerSetting('cmzl') || '').split('-');
-    return (zoomLevelSettings && zoomLevelSettings[0]) ? parseInt(zoomLevelSettings[0]) : 1;
-}
-
-export function getCustomMapMaxZoomLevel() {
-    const zoomLevelSettings = (getServerSetting('cmzl') || '').split('-');
-    return (zoomLevelSettings && zoomLevelSettings[1]) ? parseInt(zoomLevelSettings[1]) : 18;
-}
-
-export function getCustomMapDefaultZoomLevel() {
-    const zoomLevelSettings = (getServerSetting('cmzl') || '').split('-');
-    return (zoomLevelSettings && zoomLevelSettings[2]) ? parseInt(zoomLevelSettings[2]) : 14;
-}
-
-export function getTomTomMapAPIKey() {
-    return getServerSetting('tmak');
-}
-
-export function getTianDiTuMapAPIKey() {
-    return getServerSetting('tdak');
-}
-
-export function getGoogleMapAPIKey() {
-    return getServerSetting('gmak');
-}
-
-export function getBaiduMapAK() {
-    return getServerSetting('bmak');
-}
-
-export function getAmapApplicationKey() {
-    return getServerSetting('amak');
-}
-
-export function getAmapSecurityVerificationMethod() {
-    return getServerSetting('amsv');
-}
-
-export function getAmapApiExternalProxyUrl() {
-    return getServerSetting('amep');
-}
-
-export function getAmapApplicationSecret() {
-    return getServerSetting('amas');
-}
-
-export function getExchangeRatesRequestTimeout() {
-    return getServerSetting('errt');
-}

src/lib/server_settings.ts

@@ -0,0 +1,107 @@
+function getServerSetting(key: string): string | number | boolean | undefined | null {
+    const settings = window.EZBOOKKEEPING_SERVER_SETTINGS || {};
+    return settings[key];
+}
+
+export function isUserRegistrationEnabled(): boolean {
+    return getServerSetting('r') === 1;
+}
+
+export function isUserForgetPasswordEnabled(): boolean {
+    return getServerSetting('f') === 1;
+}
+
+export function isUserVerifyEmailEnabled(): boolean {
+    return getServerSetting('v') === 1;
+}
+
+export function isTransactionPicturesEnabled(): boolean {
+    return getServerSetting('p') === 1;
+}
+
+export function isUserScheduledTransactionEnabled(): boolean {
+    return getServerSetting('s') === 1;
+}
+
+export function isDataExportingEnabled(): boolean {
+    return getServerSetting('e') === 1;
+}
+
+export function isDataImportingEnabled(): boolean {
+    return getServerSetting('i') === 1;
+}
+
+export function getLoginPageTips(): string {
+    return getServerSetting('lpt') as string;
+}
+
+export function getMapProvider(): string {
+    return getServerSetting('m') as string;
+}
+
+export function isMapDataFetchProxyEnabled(): boolean {
+    return getServerSetting('mp') === 1;
+}
+
+export function getCustomMapTileLayerUrl(): string {
+    return getServerSetting('cmsu') as string;
+}
+
+export function getCustomMapAnnotationLayerUrl(): string {
+    return getServerSetting('cmau') as string;
+}
+
+export function isCustomMapAnnotationLayerDataFetchProxyEnabled(): boolean {
+    return getServerSetting('cmap') === 1;
+}
+
+export function getCustomMapMinZoomLevel(): number {
+    const zoomLevelSettings = (getServerSetting('cmzl') as string || '').split('-');
+    return (zoomLevelSettings && zoomLevelSettings[0]) ? parseInt(zoomLevelSettings[0]) : 1;
+}
+
+export function getCustomMapMaxZoomLevel(): number {
+    const zoomLevelSettings = (getServerSetting('cmzl') as string || '').split('-');
+    return (zoomLevelSettings && zoomLevelSettings[1]) ? parseInt(zoomLevelSettings[1]) : 18;
+}
+
+export function getCustomMapDefaultZoomLevel(): number {
+    const zoomLevelSettings = (getServerSetting('cmzl') as string || '').split('-');
+    return (zoomLevelSettings && zoomLevelSettings[2]) ? parseInt(zoomLevelSettings[2]) : 14;
+}
+
+export function getTomTomMapAPIKey(): string {
+    return getServerSetting('tmak') as string;
+}
+
+export function getTianDiTuMapAPIKey(): string {
+    return getServerSetting('tdak') as string;
+}
+
+export function getGoogleMapAPIKey(): string {
+    return getServerSetting('gmak') as string;
+}
+
+export function getBaiduMapAK(): string {
+    return getServerSetting('bmak') as string;
+}
+
+export function getAmapApplicationKey(): string {
+    return getServerSetting('amak') as string;
+}
+
+export function getAmapSecurityVerificationMethod(): string {
+    return getServerSetting('amsv') as string;
+}
+
+export function getAmapApiExternalProxyUrl(): string {
+    return getServerSetting('amep') as string;
+}
+
+export function getAmapApplicationSecret(): string {
+    return getServerSetting('amas') as string;
+}
+
+export function getExchangeRatesRequestTimeout(): number {
+    return getServerSetting('errt') as number;
+}

src/lib/services.js

@@ -1,25 +1,36 @@
 import axios from 'axios';
 
-import apiConstants from '@/consts/api.js';
+import {
+    BASE_API_URL_PATH,
+    BASE_QRCODE_PATH,
+    BASE_PROXY_URL_PATH,
+    BASE_AMAP_API_PROXY_URL_PATH,
+    DEFAULT_API_TIMEOUT,
+    DEFAULT_UPLOAD_API_TIMEOUT,
+    DEFAULT_IMPORT_API_TIMEOUT,
+    GOOGLE_MAP_JAVASCRIPT_URL,
+    BAIDU_MAP_JAVASCRIPT_URL,
+    AMAP_JAVASCRIPT_URL
+} from '@/consts/api.ts';
 import userState from './userstate.js';
 import {
     isDefined,
     isBoolean
-} from './common.js';
+} from './common.ts';
 import {
     getGoogleMapAPIKey,
     getBaiduMapAK,
     getAmapApplicationKey,
     getExchangeRatesRequestTimeout
-} from './server_settings.js';
+} from './server_settings.ts';
 import { getTimezoneOffsetMinutes } from './datetime.js';
-import { generateRandomUUID } from './misc.js';
+import { generateRandomUUID } from './misc.ts';
 
 let needBlockRequest = false;
 let blockedRequests = [];
 
-axios.defaults.baseURL = apiConstants.baseApiUrlPath;
-axios.defaults.timeout = apiConstants.defaultTimeout;
+axios.defaults.baseURL = BASE_API_URL_PATH;
+axios.defaults.timeout = DEFAULT_API_TIMEOUT;
 axios.interceptors.request.use(config => {
     const token = userState.getToken();
 
@@ -202,7 +213,7 @@ export default {
         return axios.postForm('v1/users/avatar/update.json', {
             avatar: avatarFile
         }, {
-            timeout: apiConstants.uploadTimeout
+            timeout: DEFAULT_UPLOAD_API_TIMEOUT
         });
     },
     removeAvatar: () => {
@@ -471,7 +482,7 @@ export default {
             fileType: fileType,
             file: importFile
         }, {
-            timeout: apiConstants.uploadTimeout
+            timeout: DEFAULT_UPLOAD_API_TIMEOUT
         });
     },
     importTransactions: ({ transactions, clientSessionId }) => {
@@ -479,7 +490,7 @@ export default {
             transactions: transactions,
             clientSessionId: clientSessionId
         }, {
-            timeout: apiConstants.importTimeout
+            timeout: DEFAULT_IMPORT_API_TIMEOUT
         });
     },
     uploadTransactionPicture: ({ pictureFile, clientSessionId }) => {
@@ -487,7 +498,7 @@ export default {
             picture: pictureFile,
             clientSessionId: clientSessionId
         }, {
-            timeout: apiConstants.uploadTimeout
+            timeout: DEFAULT_UPLOAD_API_TIMEOUT
         });
     },
     removeUnusedTransactionPicture: ({ id }) => {
@@ -639,15 +650,15 @@ export default {
     getLatestExchangeRates: ({ ignoreError }) => {
         return axios.get('v1/exchange_rates/latest.json', {
             ignoreError: !!ignoreError,
-            timeout: getExchangeRatesRequestTimeout() || apiConstants.defaultTimeout
+            timeout: getExchangeRatesRequestTimeout() || DEFAULT_API_TIMEOUT
         });
     },
     generateQrCodeUrl: (qrCodeName) => {
-        return `${apiConstants.baseQrcodePath}/${qrCodeName}.png`;
+        return `${BASE_QRCODE_PATH}/${qrCodeName}.png`;
     },
     generateMapProxyTileImageUrl: (mapProvider, language) => {
         const token = userState.getToken();
-        let url = `${apiConstants.baseProxyUrlPath}/map/tile/{z}/{x}/{y}.png?provider=${mapProvider}&token=${token}`;
+        let url = `${BASE_PROXY_URL_PATH}/map/tile/{z}/{x}/{y}.png?provider=${mapProvider}&token=${token}`;
 
         if (language) {
             url = url + `&language=${language}`;
@@ -657,7 +668,7 @@ export default {
     },
     generateMapProxyAnnotationImageUrl: (mapProvider, language) => {
         const token = userState.getToken();
-        let url = `${apiConstants.baseProxyUrlPath}/map/annotation/{z}/{x}/{y}.png?provider=${mapProvider}&token=${token}`;
+        let url = `${BASE_PROXY_URL_PATH}/map/annotation/{z}/{x}/{y}.png?provider=${mapProvider}&token=${token}`;
 
         if (language) {
             url = url + `&language=${language}`;
@@ -666,7 +677,7 @@ export default {
         return url;
     },
     generateGoogleMapJavascriptUrl: (language, callbackFnName) => {
-        let url = `${apiConstants.googleMapJavascriptUrl}?key=${getGoogleMapAPIKey()}&libraries=core,marker&callback=${callbackFnName}`;
+        let url = `${GOOGLE_MAP_JAVASCRIPT_URL}?key=${getGoogleMapAPIKey()}&libraries=core,marker&callback=${callbackFnName}`;
 
         if (language) {
             url = url + `&language=${language}`;
@@ -675,13 +686,13 @@ export default {
         return url;
     },
     generateBaiduMapJavascriptUrl: (callbackFnName) => {
-        return `${apiConstants.baiduMapJavascriptUrl}&ak=${getBaiduMapAK()}&callback=${callbackFnName}`;
+        return `${BAIDU_MAP_JAVASCRIPT_URL}&ak=${getBaiduMapAK()}&callback=${callbackFnName}`;
     },
     generateAmapJavascriptUrl: (callbackFnName) => {
-        return `${apiConstants.amapJavascriptUrl}&key=${getAmapApplicationKey()}&plugin=AMap.ToolBar&callback=${callbackFnName}`;
+        return `${AMAP_JAVASCRIPT_URL}&key=${getAmapApplicationKey()}&plugin=AMap.ToolBar&callback=${callbackFnName}`;
     },
     generateAmapApiInternalProxyUrl: () => {
-        return `${window.location.origin}${apiConstants.baseAmapApiProxyUrlPath}`;
+        return `${window.location.origin}${BASE_AMAP_API_PROXY_URL_PATH}`;
     },
     getInternalAvatarUrlWithToken(avatarUrl, disableBrowserCache) {
         if (!avatarUrl) {

src/lib/session.ts

@@ -0,0 +1,116 @@
+import uaParser from 'ua-parser-js';
+
+import { CliUserAgent, type TokenInfoResponse, SessionInfo } from '@/models/token.ts';
+
+interface UserAgentInfo {
+    device: {
+        vendor?: string;
+        model?: string;
+        type?: string;
+    };
+    os: {
+        name?: string;
+        version?: string;
+    };
+    browser: {
+        name?: string;
+        version?: string;
+    };
+}
+
+function parseUserAgent(ua: string): UserAgentInfo {
+    const uaParseRet = uaParser(ua);
+
+    return {
+        device: {
+            vendor: uaParseRet.device.vendor,
+            model: uaParseRet.device.model,
+            type: uaParseRet.device.type
+        },
+        os: {
+            name: uaParseRet.os.name,
+            version: uaParseRet.os.version
+        },
+        browser: {
+            name: uaParseRet.browser.name,
+            version: uaParseRet.browser.version
+        }
+    };
+}
+
+function isSessionUserAgentCreatedByCli(ua: string): boolean {
+    return ua === CliUserAgent;
+}
+
+function parseDeviceInfo(uaInfo: UserAgentInfo): string {
+    if (!uaInfo) {
+        return '';
+    }
+
+    let result = '';
+
+    if (uaInfo.device && uaInfo.device.model) {
+        result = uaInfo.device.model;
+    } else if (uaInfo.os && uaInfo.os.name) {
+        result = uaInfo.os.name;
+
+        if (uaInfo.os.version) {
+            result += ' ' + uaInfo.os.version;
+        }
+    }
+
+    if (uaInfo.browser && uaInfo.browser.name) {
+        let browserInfo = uaInfo.browser.name;
+
+        if (uaInfo.browser.version) {
+            browserInfo += ' ' + uaInfo.browser.version;
+        }
+
+        if (result) {
+            result += ' (' + browserInfo + ')';
+        } else {
+            result = browserInfo;
+        }
+    }
+
+    if (!result) {
+        return 'Unknown Device';
+    }
+
+    return result;
+}
+
+export function parseSessionInfo(token: TokenInfoResponse): SessionInfo {
+    const isCreatedByCli = isSessionUserAgentCreatedByCli(token.userAgent);
+    const uaInfo = parseUserAgent(token.userAgent);
+    let deviceType = '';
+
+    if (isCreatedByCli) {
+        deviceType = 'cli';
+    } else {
+        if (uaInfo && uaInfo.device) {
+            if (uaInfo.device.type === 'mobile') {
+                deviceType = 'phone';
+            } else if (uaInfo.device.type === 'wearable') {
+                deviceType = 'wearable';
+            } else if (uaInfo.device.type === 'tablet') {
+                deviceType = 'tablet';
+            } else if (uaInfo.device.type === 'smarttv') {
+                deviceType = 'tv';
+            } else {
+                deviceType = 'default';
+            }
+        } else {
+            deviceType = 'default';
+        }
+    }
+
+    return SessionInfo.of(
+        token.tokenId,
+        token.isCurrent,
+        deviceType,
+        isCreatedByCli ? token.userAgent : parseDeviceInfo(uaInfo),
+        isCreatedByCli,
+        token.lastSeen
+    );
+}

src/lib/settings.js

@@ -1,5 +1,5 @@
-import timezoneConstants from '@/consts/timezone.js';
-import currencyConstants from '@/consts/currency.js';
+import { TimezoneTypeForStatistics } from '@/core/timezone.ts';
+import { CurrencySortingType } from '@/core/currency.ts';
 import statisticsConstants from '@/consts/statistics.js';
 
 const settingsLocalStorageKey = 'ebk_app_settings';
@@ -15,15 +15,15 @@ const defaultSettings = {
     autoSaveTransactionDraft: 'disabled',
     autoGetCurrentGeoLocation: false,
     showAmountInHomePage: true,
-    timezoneUsedForStatisticsInHomePage: timezoneConstants.defaultTimezoneTypesUsedForStatistics,
+    timezoneUsedForStatisticsInHomePage: TimezoneTypeForStatistics.Default.type,
     itemsCountInTransactionListPage: 15,
     showTotalAmountInTransactionListPage: true,
     showTagInTransactionListPage: true,
     showAccountBalance: true,
-    currencySortByInExchangeRatesPage: currencyConstants.defaultCurrencySortingType,
+    currencySortByInExchangeRatesPage: CurrencySortingType.Default.type,
     statistics: {
         defaultChartDataType: statisticsConstants.defaultChartDataType,
-        defaultTimezoneType: timezoneConstants.defaultTimezoneTypesUsedForStatistics,
+        defaultTimezoneType: TimezoneTypeForStatistics.Default.type,
         defaultAccountFilter: {},
         defaultTransactionCategoryFilter: {},
         defaultSortingType: statisticsConstants.defaultSortingType,

src/lib/transaction.js

@@ -1,8 +1,8 @@
-import categoryConstants from '@/consts/category.js';
-import transactionConstants from '@/consts/transaction.js';
+import { CategoryType } from '@/core/category.ts';
+import { TransactionType } from '@/core/transaction.ts';
 import {
     isNumber
-} from './common.js';
+} from './common.ts';
 import {
     getBrowserTimezoneOffsetMinutes,
     getDummyUnixTimeForLocalUsage
@@ -32,48 +32,48 @@ export function setTransactionModelByTransaction(transaction, transaction2, allC
         }
     }
 
-    if (allCategories[categoryConstants.allCategoryTypes.Expense] &&
-        allCategories[categoryConstants.allCategoryTypes.Expense].length) {
+    if (allCategories[CategoryType.Expense] &&
+        allCategories[CategoryType.Expense].length) {
         if (options.categoryId && options.categoryId !== '0') {
-            if (isSubCategoryIdAvailable(allCategories[categoryConstants.allCategoryTypes.Expense], options.categoryId)) {
+            if (isSubCategoryIdAvailable(allCategories[CategoryType.Expense], options.categoryId)) {
                 transaction.expenseCategory = options.categoryId;
             } else {
-                transaction.expenseCategory = getFirstAvailableSubCategoryId(allCategories[categoryConstants.allCategoryTypes.Expense], options.categoryId);
+                transaction.expenseCategory = getFirstAvailableSubCategoryId(allCategories[CategoryType.Expense], options.categoryId);
             }
         }
 
         if (!transaction.expenseCategory) {
-            transaction.expenseCategory = getFirstAvailableCategoryId(allCategories[categoryConstants.allCategoryTypes.Expense]);
+            transaction.expenseCategory = getFirstAvailableCategoryId(allCategories[CategoryType.Expense]);
         }
     }
 
-    if (allCategories[categoryConstants.allCategoryTypes.Income] &&
-        allCategories[categoryConstants.allCategoryTypes.Income].length) {
+    if (allCategories[CategoryType.Income] &&
+        allCategories[CategoryType.Income].length) {
         if (options.categoryId && options.categoryId !== '0') {
-            if (isSubCategoryIdAvailable(allCategories[categoryConstants.allCategoryTypes.Income], options.categoryId)) {
+            if (isSubCategoryIdAvailable(allCategories[CategoryType.Income], options.categoryId)) {
                 transaction.incomeCategory = options.categoryId;
             } else {
-                transaction.incomeCategory = getFirstAvailableSubCategoryId(allCategories[categoryConstants.allCategoryTypes.Income], options.categoryId);
+                transaction.incomeCategory = getFirstAvailableSubCategoryId(allCategories[CategoryType.Income], options.categoryId);
             }
         }
 
         if (!transaction.incomeCategory) {
-            transaction.incomeCategory = getFirstAvailableCategoryId(allCategories[categoryConstants.allCategoryTypes.Income]);
+            transaction.incomeCategory = getFirstAvailableCategoryId(allCategories[CategoryType.Income]);
         }
     }
 
-    if (allCategories[categoryConstants.allCategoryTypes.Transfer] &&
-        allCategories[categoryConstants.allCategoryTypes.Transfer].length) {
+    if (allCategories[CategoryType.Transfer] &&
+        allCategories[CategoryType.Transfer].length) {
         if (options.categoryId && options.categoryId !== '0') {
-            if (isSubCategoryIdAvailable(allCategories[categoryConstants.allCategoryTypes.Transfer], options.categoryId)) {
+            if (isSubCategoryIdAvailable(allCategories[CategoryType.Transfer], options.categoryId)) {
                 transaction.transferCategory = options.categoryId;
             } else {
-                transaction.transferCategory = getFirstAvailableSubCategoryId(allCategories[categoryConstants.allCategoryTypes.Transfer], options.categoryId);
+                transaction.transferCategory = getFirstAvailableSubCategoryId(allCategories[CategoryType.Transfer], options.categoryId);
             }
         }
 
         if (!transaction.transferCategory) {
-            transaction.transferCategory = getFirstAvailableCategoryId(allCategories[categoryConstants.allCategoryTypes.Transfer]);
+            transaction.transferCategory = getFirstAvailableCategoryId(allCategories[CategoryType.Transfer]);
         }
     }
 
@@ -128,11 +128,11 @@ export function setTransactionModelByTransaction(transaction, transaction2, allC
 
         transaction.type = transaction2.type;
 
-        if (transaction.type === transactionConstants.allTransactionTypes.Expense) {
+        if (transaction.type === TransactionType.Expense) {
             transaction.expenseCategory = transaction2.categoryId || '';
-        } else if (transaction.type === transactionConstants.allTransactionTypes.Income) {
+        } else if (transaction.type === TransactionType.Income) {
             transaction.incomeCategory = transaction2.categoryId || '';
-        } else if (transaction.type === transactionConstants.allTransactionTypes.Transfer) {
+        } else if (transaction.type === TransactionType.Transfer) {
             transaction.transferCategory = transaction2.categoryId || '';
         }
 

src/lib/ui/common.ts

@@ -1,23 +1,25 @@
-import colorConstants from '@/consts/color.js';
+import { ThemeType } from '@/core/theme.ts';
 
-export function getSystemTheme() {
+import { type AmountColor, PresetAmountColor } from '@/core/color.ts';
+
+export function getSystemTheme(): ThemeType {
     if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
-        return 'dark';
+        return ThemeType.Dark;
     } else {
-        return 'light';
+        return ThemeType.Light;
     }
 }
 
-export function getExpenseAndIncomeAmountColor(expenseAmountColorType, incomeAmountColorType, isDarkMode) {
-    let expenseAmountColor = expenseAmountColorType ? colorConstants.allAmountColorTypesMap[expenseAmountColorType] : null;
-    let incomeAmountColor = incomeAmountColorType ? colorConstants.allAmountColorTypesMap[incomeAmountColorType] : null;
+export function getExpenseAndIncomeAmountColor(expenseAmountColorType: number, incomeAmountColorType: number, isDarkMode: boolean): AmountColor {
+    let expenseAmountColor = expenseAmountColorType ? PresetAmountColor.valueOf(expenseAmountColorType) : null;
+    let incomeAmountColor = incomeAmountColorType ? PresetAmountColor.valueOf(incomeAmountColorType) : null;
 
     if (!expenseAmountColor) {
-        expenseAmountColor = colorConstants.defaultExpenseAmountColor;
+        expenseAmountColor = PresetAmountColor.DefaultExpenseColor;
     }
 
     if (!incomeAmountColor) {
-        incomeAmountColor = colorConstants.defaultIncomeAmountColor;
+        incomeAmountColor = PresetAmountColor.DefaultIncomeColor;
     }
 
     if (isDarkMode) {
@@ -33,22 +35,28 @@ export function getExpenseAndIncomeAmountColor(expenseAmountColorType, incomeAmo
     }
 }
 
-export function setExpenseAndIncomeAmountColor(expenseAmountColorType, incomeAmountColorType) {
-    let expenseAmountColor = expenseAmountColorType ? colorConstants.allAmountColorTypesMap[expenseAmountColorType] : null;
-    let incomeAmountColor = incomeAmountColorType ? colorConstants.allAmountColorTypesMap[incomeAmountColorType] : null;
+export function setExpenseAndIncomeAmountColor(expenseAmountColorType: number, incomeAmountColorType: number): void {
+    let expenseAmountColor = expenseAmountColorType ? PresetAmountColor.valueOf(expenseAmountColorType) : null;
+    let incomeAmountColor = incomeAmountColorType ? PresetAmountColor.valueOf(incomeAmountColorType) : null;
 
     if (!expenseAmountColor) {
-        expenseAmountColor = colorConstants.defaultExpenseAmountColor;
+        expenseAmountColor = PresetAmountColor.DefaultExpenseColor;
     }
 
     if (!incomeAmountColor) {
-        incomeAmountColor = colorConstants.defaultIncomeAmountColor;
+        incomeAmountColor = PresetAmountColor.DefaultIncomeColor;
     }
 
     const htmlElement = document.querySelector('html');
 
-    for (let i = 0; i < colorConstants.allAmountColorsArray.length; i++) {
-        const amountColor = colorConstants.allAmountColorsArray[i];
+    if (!htmlElement) {
+        return;
+    }
+
+    const allPresetAmountColors = PresetAmountColor.values();
+
+    for (let i = 0; i < allPresetAmountColors.length; i++) {
+        const amountColor = allPresetAmountColors[i];
 
         if (amountColor.type === expenseAmountColor.type) {
             if (!htmlElement.classList.contains(amountColor.expenseClassName)) {
@@ -68,7 +76,7 @@ export function setExpenseAndIncomeAmountColor(expenseAmountColorType, incomeAmo
     }
 }
 
-export function startDownloadFile(fileName, fileData) {
+export function startDownloadFile(fileName: string, fileData: Blob): void {
     const dataObjectUrl = URL.createObjectURL(fileData);
     const dataLink = document.createElement('a');
 

src/lib/ui/mobile.js

@@ -1,8 +1,8 @@
 import { f7, f7ready } from 'framework7-vue';
 
-import fontConstants from '@/consts/font.js';
-import { isEnableAnimate } from './settings.js';
-import { translateError } from './i18n.js';
+import { FontSize, FONT_SIZE_PREVIEW_CLASSNAME_PREFIX } from '@/core/font.ts';
+import { isEnableAnimate } from '../settings.js';
+import { translateError } from '../i18n.js';
 
 export function showAlert(message, confirmCallback, translateFn) {
     f7ready((f7) => {
@@ -126,9 +126,10 @@ export function autoChangeTextareaSize(el) {
 
 export function setAppFontSize(type) {
     const htmlElement = elements('html');
+    const allFontSizes = FontSize.values();
 
-    for (let i = 0; i < fontConstants.allFontSizeArray.length; i++) {
-        const fontSizeType = fontConstants.allFontSizeArray[i];
+    for (let i = 0; i < allFontSizes.length; i++) {
+        const fontSizeType = allFontSizes[i];
 
         if (fontSizeType.type === type) {
             if (!htmlElement.hasClass(fontSizeType.className)) {
@@ -141,15 +142,17 @@ export function setAppFontSize(type) {
 }
 
 export function getFontSizePreviewClassName(type) {
-    for (let i = 0; i < fontConstants.allFontSizeArray.length; i++) {
-        const fontSizeType = fontConstants.allFontSizeArray[i];
+    const allFontSizes = FontSize.values();
+
+    for (let i = 0; i < allFontSizes.length; i++) {
+        const fontSizeType = allFontSizes[i];
 
         if (fontSizeType.type === type) {
-            return fontConstants.fontSizePreviewClassNamePrefix + fontSizeType.className;
+            return FONT_SIZE_PREVIEW_CLASSNAME_PREFIX + fontSizeType.className;
         }
     }
 
-    return fontConstants.fontSizePreviewClassNamePrefix + fontConstants.defaultFontSize.className;
+    return FONT_SIZE_PREVIEW_CLASSNAME_PREFIX + FontSize.Default.className;
 }
 
 export function scrollToSelectedItem(parentEl, containerSelector, selectedItemSelector) {

src/lib/userstate.js

@@ -1,6 +1,6 @@
 import CryptoJS from 'crypto-js';
 
-import { isString, isObject } from './common.js';
+import { isString, isObject } from './common.ts';
 import { isEnableApplicationLock } from './settings.js';
 import logger from './logger.js';
 

src/lib/version.ts

@@ -1,11 +1,11 @@
-export function isProduction() {
-    return process.env.NODE_ENV === 'production';
+export function isProduction(): boolean {
+    return __EZBOOKKEEPING_IS_PRODUCTION__;
 }
 
-export function getVersion() {
+export function getVersion(): string {
     const isRelease = !getBuildTime();
-    const commitHash = __EZBOOKKEEPING_BUILD_COMMIT_HASH__; // eslint-disable-line
-    let version = __EZBOOKKEEPING_VERSION__; // eslint-disable-line
+    const commitHash = __EZBOOKKEEPING_BUILD_COMMIT_HASH__;
+    let version = __EZBOOKKEEPING_VERSION__;
 
     if (version && (!isRelease || !isProduction())) {
         version += '-dev';
@@ -22,18 +22,18 @@ export function getVersion() {
     return version;
 }
 
-export function getBuildTime() {
-    return __EZBOOKKEEPING_BUILD_UNIX_TIME__; // eslint-disable-line
+export function getBuildTime(): string {
+    return __EZBOOKKEEPING_BUILD_UNIX_TIME__;
 }
 
-export function getMobileVersionPath() {
+export function getMobileVersionPath(): string {
     if (isProduction()) {
         return '../mobile';
     } else {
         return 'mobile.html';
     }
 }
-export function getDesktopVersionPath() {
+export function getDesktopVersionPath(): string {
     if (isProduction()) {
         return '../desktop';
     } else {

src/lib/webauthn.js

@@ -6,10 +6,10 @@ import {
     arrayBufferToString,
     base64encode,
     base64decode
-} from './common.js';
+} from './common.ts';
 import {
     generateRandomString
-} from './misc.js';
+} from './misc.ts';
 
 const publicKeyCredentialCreationOptionsBaseTemplate = {
     attestation: "none",

src/locales/index.ts

@@ -2,10 +2,18 @@ import en from './en.json';
 import vi from './vi.json';
 import zhHans from './zh_Hans.json';
 
-export const defaultLanguage = 'en';
+interface LanguageInfo {
+    name: string,
+    displayName: string,
+    alternativeLanguageTag: string,
+    aliases?: string[],
+    content: object
+}
+
+export const defaultLanguage: string = 'en';
 
 // To add new languages, please refer to https://ezbookkeeping.mayswind.net/translating
-export const allLanguages = {
+export const allLanguages: Record<string, LanguageInfo> = {
     'en': {
         name: 'English',
         displayName: 'English',

src/mobile-main.js

@@ -79,7 +79,7 @@ import 'line-awesome/dist/line-awesome/css/line-awesome.css';
 import VueDatePicker from '@vuepic/vue-datepicker';
 import '@vuepic/vue-datepicker/dist/main.css';
 
-import { getVersion, getBuildTime } from '@/lib/version.js';
+import { getVersion, getBuildTime } from '@/lib/version.ts';
 import userstate from '@/lib/userstate.js';
 import {
     getI18nOptions,
@@ -93,7 +93,7 @@ import {
     showLoading,
     hideLoading,
     routeBackOnError
-} from '@/lib/ui.mobile.js';
+} from '@/lib/ui/mobile.js';
 
 import PinCodeInput from '@/components/common/PinCodeInput.vue';
 import MapView from '@/components/common/MapView.vue';