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32 lines
988 B
32 lines
988 B
3 years ago
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// eslint-disable-next-line @typescript-eslint/ban-types
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export function isFunction(val) {
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return typeof val === 'function';
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}
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export function isPlainObject(val) {
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return val !== null && typeof val === 'object' && !Array.isArray(val);
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}
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export function isPromise(val) {
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return isPlainObject(val) && isFunction(val.then) && isFunction(val.catch);
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}
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export function isDef(value) {
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return value !== undefined && value !== null;
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}
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export function isObj(x) {
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const type = typeof x;
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return x !== null && (type === 'object' || type === 'function');
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}
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export function isNumber(value) {
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return /^\d+(\.\d+)?$/.test(value);
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}
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export function isBoolean(value) {
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return typeof value === 'boolean';
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}
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const IMAGE_REGEXP = /\.(jpeg|jpg|gif|png|svg|webp|jfif|bmp|dpg)/i;
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const VIDEO_REGEXP = /\.(mp4|mpg|mpeg|dat|asf|avi|rm|rmvb|mov|wmv|flv|mkv)/i;
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export function isImageUrl(url) {
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return IMAGE_REGEXP.test(url);
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}
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export function isVideoUrl(url) {
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return VIDEO_REGEXP.test(url);
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}
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