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61 lines
1.7 KiB
61 lines
1.7 KiB
const IMAGE_EXT = ['jpeg', 'jpg', 'gif', 'png', 'svg'];
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export function isImageUrl(url) {
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return IMAGE_EXT.some(ext => url.indexOf(`.${ext}`) !== -1);
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}
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export function isImageFile(item) {
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if (item.type) {
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return item.type.indexOf('image') === 0;
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}
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if (item.path) {
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return isImageUrl(item.path);
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}
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if (item.url) {
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return isImageUrl(item.url);
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}
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return false;
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}
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export function isVideo(res, accept) {
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return accept === 'video';
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}
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export function chooseFile({ accept, multiple, capture, compressed, maxDuration, sizeType, camera, maxCount }) {
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if (accept === 'image') {
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return new Promise((resolve, reject) => {
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wx.chooseImage({
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count: multiple ? Math.min(maxCount, 9) : 1,
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sourceType: capture,
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sizeType,
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success: resolve,
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fail: reject
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});
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});
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}
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if (accept === 'video') {
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return new Promise((resolve, reject) => {
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wx.chooseVideo({
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sourceType: capture,
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compressed,
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maxDuration,
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camera,
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success: resolve,
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fail: reject
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});
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});
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}
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return new Promise((resolve, reject) => {
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wx.chooseMessageFile({
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count: multiple ? maxCount : 1,
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type: 'file',
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success: resolve,
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fail: reject
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});
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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 isObject(val) {
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return val !== null && typeof val === 'object';
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}
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export function isPromise(val) {
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return isObject(val) && isFunction(val.then) && isFunction(val.catch);
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}
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