43 lines
1.6 KiB
TypeScript
43 lines
1.6 KiB
TypeScript
/**
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* +----------------------------------------------------------------------
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* | 「e家宜业」 —— 助力物业服务升级，用心服务万千业主
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* +----------------------------------------------------------------------
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* | Copyright (c) 2020-2022 https://www.chowa.cn All rights reserved.
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* +----------------------------------------------------------------------
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* | Licensed 未经许可不能去掉「e家宜业」和「卓瓦科技」相关版权
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* +----------------------------------------------------------------------
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* | Author: concat@chowa.cn
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* +----------------------------------------------------------------------
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*/
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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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