MaysWind
30 lines
823 B
TypeScript
30 lines
823 B
TypeScript
import { isString } from './common.ts';
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export function getFileExtension(filename: string): string {
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if (!filename || !isString(filename)) {
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return '';
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}
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const parts = filename.split('.');
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return parts[parts.length - 1];
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}
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export function isFileExtensionSupported(filename: string, supportedExtensions: string): boolean {
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if (!supportedExtensions) {
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return false;
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}
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const supportedExtensionsArray = supportedExtensions.split(',');
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const fileExtension = getFileExtension(filename).toLowerCase();
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for (let i = 0; i < supportedExtensionsArray.length; i++) {
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const supportedExtension = getFileExtension(supportedExtensionsArray[i]).toLowerCase();
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if (supportedExtension === fileExtension) {
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return true;
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}
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}
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return false;
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}
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