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