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Docs for preview thumbs

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This commit is contained in:
Sam Potts
2019-01-26 17:17:27 +11:00
parent ff066f0c2a
commit 8b57104f83
11 changed files with 42 additions and 32 deletions
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10
src/js/plugins/previewThumbnails.js
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@ -109,20 +109,22 @@ class PreviewThumbnails {
// Download VTT files and parse them
getThumbnails() {
return new Promise(resolve => {
if (!this.player.config.previewThumbnails.src) {
const { src } = this.player.config.previewThumbnails;
if (is.empty(src)) {
throw new Error('Missing previewThumbnails.src config attribute');
}
// previewThumbnails.src can be string or list. If string, convert into single-element list
const { src } = this.player.config.previewThumbnails;
// If string, convert into single-element list
const urls = is.string(src) ? [src] : src;
// Loop through each src url. Download and process the VTT file, storing the resulting data in this.thumbnails
// Loop through each src URL. Download and process the VTT file, storing the resulting data in this.thumbnails
const promises = urls.map(u => this.getThumbnail(u));
Promise.all(promises).then(() => {
// Sort smallest to biggest (e.g., [120p, 480p, 1080p])
this.thumbnails.sort((x, y) => x.height - y.height);
this.player.debug.log('Preview thumbnails', this.thumbnails);
resolve();