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| const IMAGE_REGEXP = /\.(jpeg|jpg|gif|png|svg|webp|jfif|bmp|dpg)/i;
| function isImageUrl(url) {
| return IMAGE_REGEXP.test(url);
| }
| export function isImageFile(item) {
| if (item.type) {
| return item.type.indexOf('image') === 0;
| }
| if (item.path) {
| return isImageUrl(item.path);
| }
| if (item.url) {
| return isImageUrl(item.url);
| }
| return false;
| }
| export function isVideo(res, accept) {
| return accept === 'video';
| }
| export function chooseFile({
| accept,
| multiple,
| capture,
| compressed,
| maxDuration,
| sizeType,
| camera,
| maxCount,
| }) {
| switch (accept) {
| case 'image':
| return new Promise((resolve, reject) => {
| wx.chooseImage({
| count: multiple ? Math.min(maxCount, 9) : 1,
| sourceType: capture,
| sizeType,
| success: resolve,
| fail: reject,
| });
| });
| case 'media':
| return new Promise((resolve, reject) => {
| wx.chooseMedia({
| count: multiple ? Math.min(maxCount, 9) : 1,
| sourceType: capture,
| maxDuration,
| sizeType,
| camera,
| success: resolve,
| fail: reject,
| });
| });
| case 'video':
| return new Promise((resolve, reject) => {
| wx.chooseVideo({
| sourceType: capture,
| compressed,
| maxDuration,
| camera,
| success: resolve,
| fail: reject,
| });
| });
| default:
| return new Promise((resolve, reject) => {
| wx.chooseMessageFile({
| count: multiple ? maxCount : 1,
| type: 'file',
| success: resolve,
| fail: reject,
| });
| });
| }
| }
| export function isFunction(val) {
| return typeof val === 'function';
| }
| export function isObject(val) {
| return val !== null && typeof val === 'object';
| }
| export function isPromise(val) {
| return isObject(val) && isFunction(val.then) && isFunction(val.catch);
| }
|
|
