migrate to typescript

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);
+    }
+}