utils.js
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import { pickExclude } from '../common/utils';
import { isImageUrl, isVideoUrl } from '../common/validator';
export function isImageFile(item) {
if (item.isImage != null) {
return item.isImage;
}
if (item.type) {
return item.type === 'image';
}
if (item.url) {
return isImageUrl(item.url);
}
return false;
}
export function isVideoFile(item) {
if (item.isVideo != null) {
return item.isVideo;
}
if (item.type) {
return item.type === 'video';
}
if (item.url) {
return isVideoUrl(item.url);
}
return false;
}
function formatImage(res) {
return res.tempFiles.map((item) =>
Object.assign(Object.assign({}, pickExclude(item, ['path'])), {
type: 'image',
url: item.path,
thumb: item.path,
})
);
}
function formatVideo(res) {
return [
Object.assign(
Object.assign(
{},
pickExclude(res, ['tempFilePath', 'thumbTempFilePath', 'errMsg'])
),
{ type: 'video', url: res.tempFilePath, thumb: res.thumbTempFilePath }
),
];
}
function formatMedia(res) {
return res.tempFiles.map((item) =>
Object.assign(
Object.assign(
{},
pickExclude(item, ['fileType', 'thumbTempFilePath', 'tempFilePath'])
),
{
type: res.type,
url: item.tempFilePath,
thumb:
res.type === 'video' ? item.thumbTempFilePath : item.tempFilePath,
}
)
);
}
function formatFile(res) {
return res.tempFiles.map((item) =>
Object.assign(Object.assign({}, pickExclude(item, ['path'])), {
url: item.path,
})
);
}
export function chooseFile({
accept,
multiple,
capture,
compressed,
maxDuration,
sizeType,
camera,
maxCount,
}) {
return new Promise((resolve, reject) => {
switch (accept) {
case 'image':
wx.chooseImage({
count: multiple ? Math.min(maxCount, 9) : 1,
sourceType: capture,
sizeType,
success: (res) => resolve(formatImage(res)),
fail: reject,
});
break;
case 'media':
wx.chooseMedia({
count: multiple ? Math.min(maxCount, 9) : 1,
sourceType: capture,
maxDuration,
sizeType,
camera,
success: (res) => resolve(formatMedia(res)),
fail: reject,
});
break;
case 'video':
wx.chooseVideo({
sourceType: capture,
compressed,
maxDuration,
camera,
success: (res) => resolve(formatVideo(res)),
fail: reject,
});
break;
default:
wx.chooseMessageFile({
count: multiple ? maxCount : 1,
type: accept,
success: (res) => resolve(formatFile(res)),
fail: reject,
});
break;
}
});
}