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Utils broken down into seperate files and exports

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This commit is contained in:
Sam Potts
2018-06-13 00:02:55 +10:00
parent 840e31a693
commit 392dfd024c
42 changed files with 5282 additions and 5316 deletions
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100
src/js/captions.js
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@ -6,7 +6,13 @@
import controls from './controls';
import i18n from './i18n';
import support from './support';
import utils from './utils';
import browser from './utils/browser';
import { createElement, emptyElement, getAttributesFromSelector, insertAfter, removeElement, toggleClass } from './utils/elements';
import { on, trigger } from './utils/events';
import fetch from './utils/fetch';
import is from './utils/is';
import { getHTML } from './utils/strings';
import { parseUrl } from './utils/urls';
const captions = {
// Setup captions
@ -19,7 +25,7 @@ const captions = {
// Only Vimeo and HTML5 video supported at this point
if (!this.isVideo || this.isYouTube || (this.isHTML5 && !support.textTracks)) {
// Clear menu and hide
if (utils.is.array(this.config.controls) && this.config.controls.includes('settings') && this.config.settings.includes('captions')) {
if (is.array(this.config.controls) && this.config.controls.includes('settings') && this.config.settings.includes('captions')) {
controls.setCaptionsMenu.call(this);
}
@ -27,15 +33,12 @@ const captions = {
}
// Inject the container
if (!utils.is.element(this.elements.captions)) {
this.elements.captions = utils.createElement('div', utils.getAttributesFromSelector(this.config.selectors.captions));
if (!is.element(this.elements.captions)) {
this.elements.captions = createElement('div', getAttributesFromSelector(this.config.selectors.captions));
utils.insertAfter(this.elements.captions, this.elements.wrapper);
insertAfter(this.elements.captions, this.elements.wrapper);
}
// Get browser info
const browser = utils.getBrowser();
// Fix IE captions if CORS is used
// Fetch captions and inject as blobs instead (data URIs not supported!)
if (browser.isIE && window.URL) {
@ -43,19 +46,18 @@ const captions = {
Array.from(elements).forEach(track => {
const src = track.getAttribute('src');
const href = utils.parseUrl(src);
const url = parseUrl(src);
if (href.hostname !== window.location.href.hostname && [
if (url !== null && url.hostname !== window.location.href.hostname && [
'http:',
'https:',
].includes(href.protocol)) {
utils
.fetch(src, 'blob')
].includes(url.protocol)) {
fetch(src, 'blob')
.then(blob => {
track.setAttribute('src', window.URL.createObjectURL(blob));
})
.catch(() => {
utils.removeElement(track);
removeElement(track);
});
}
});
@ -65,14 +67,14 @@ const captions = {
let active = this.storage.get('captions');
// Otherwise fall back to the default config
if (!utils.is.boolean(active)) {
if (!is.boolean(active)) {
({ active } = this.config.captions);
}
// Get language from storage, fallback to config
let language = this.storage.get('language') || this.config.captions.language;
if (language === 'auto') {
[ language ] = (navigator.language || navigator.userLanguage).split('-');
[language] = (navigator.language || navigator.userLanguage).split('-');
}
// Set language and show if active
captions.setLanguage.call(this, language, active);
@ -80,7 +82,7 @@ const captions = {
// Watch changes to textTracks and update captions menu
if (this.isHTML5) {
const trackEvents = this.config.captions.update ? 'addtrack removetrack' : 'removetrack';
utils.on(this.media.textTracks, trackEvents, captions.update.bind(this));
on(this.media.textTracks, trackEvents, captions.update.bind(this));
}
// Update available languages in list next tick (the event must not be triggered before the listeners)
@ -94,21 +96,19 @@ const captions = {
// Handle tracks (add event listener and "pseudo"-default)
if (this.isHTML5 && this.isVideo) {
tracks
.filter(track => !meta.get(track))
.forEach(track => {
this.debug.log('Track added', track);
// Attempt to store if the original dom element was "default"
meta.set(track, {
default: track.mode === 'showing',
});
// Turn off native caption rendering to avoid double captions
track.mode = 'hidden';
// Add event listener for cue changes
utils.on(track, 'cuechange', () => captions.updateCues.call(this));
tracks.filter(track => !meta.get(track)).forEach(track => {
this.debug.log('Track added', track);
// Attempt to store if the original dom element was "default"
meta.set(track, {
default: track.mode === 'showing',
});
// Turn off native caption rendering to avoid double captions
track.mode = 'hidden';
// Add event listener for cue changes
on(track, 'cuechange', () => captions.updateCues.call(this));
});
}
const trackRemoved = !tracks.find(track => track === this.captions.currentTrackNode);
@ -120,7 +120,7 @@ const captions = {
}
// Enable or disable captions based on track length
utils.toggleClass(this.elements.container, this.config.classNames.captions.enabled, !utils.is.empty(tracks));
toggleClass(this.elements.container, this.config.classNames.captions.enabled, !is.empty(tracks));
// Update available languages in list
if ((this.config.controls || []).includes('settings') && this.config.settings.includes('captions')) {
@ -137,7 +137,7 @@ const captions = {
return;
}
if (!utils.is.number(index)) {
if (!is.number(index)) {
this.debug.warn('Invalid caption argument', index);
return;
}
@ -166,7 +166,7 @@ const captions = {
}
// Trigger event
utils.dispatchEvent.call(this, this.media, 'languagechange');
trigger.call(this, this.media, 'languagechange');
}
if (this.isHTML5 && this.isVideo) {
@ -181,7 +181,7 @@ const captions = {
},
setLanguage(language, show = true) {
if (!utils.is.string(language)) {
if (!is.string(language)) {
this.debug.warn('Invalid language argument', language);
return;
}
@ -202,12 +202,10 @@ const captions = {
const tracks = Array.from((this.media || {}).textTracks || []);
// For HTML5, use cache instead of current tracks when it exists (if captions.update is false)
// Filter out removed tracks and tracks that aren't captions/subtitles (for example metadata)
return tracks
.filter(track => !this.isHTML5 || update || this.captions.meta.has(track))
.filter(track => [
'captions',
'subtitles',
].includes(track.kind));
return tracks.filter(track => !this.isHTML5 || update || this.captions.meta.has(track)).filter(track => [
'captions',
'subtitles',
].includes(track.kind));
},
// Get the current track for the current language
@ -222,16 +220,16 @@ const captions = {
getLabel(track) {
let currentTrack = track;
if (!utils.is.track(currentTrack) && support.textTracks && this.captions.active) {
if (!is.track(currentTrack) && support.textTracks && this.captions.active) {
currentTrack = captions.getCurrentTrack.call(this);
}
if (utils.is.track(currentTrack)) {
if (!utils.is.empty(currentTrack.label)) {
if (is.track(currentTrack)) {
if (!is.empty(currentTrack.label)) {
return currentTrack.label;
}
if (!utils.is.empty(currentTrack.language)) {
if (!is.empty(currentTrack.language)) {
return track.language.toUpperCase();
}
@ -249,13 +247,13 @@ const captions = {
return;
}
if (!utils.is.element(this.elements.captions)) {
if (!is.element(this.elements.captions)) {
this.debug.warn('No captions element to render to');
return;
}
// Only accept array or empty input
if (!utils.is.nullOrUndefined(input) && !Array.isArray(input)) {
if (!is.nullOrUndefined(input) && !Array.isArray(input)) {
this.debug.warn('updateCues: Invalid input', input);
return;
}
@ -267,7 +265,7 @@ const captions = {
const track = captions.getCurrentTrack.call(this);
cues = Array.from((track || {}).activeCues || [])
.map(cue => cue.getCueAsHTML())
.map(utils.getHTML);
.map(getHTML);
}
// Set new caption text
@ -276,13 +274,13 @@ const captions = {
if (changed) {
// Empty the container and create a new child element
utils.emptyElement(this.elements.captions);
const caption = utils.createElement('span', utils.getAttributesFromSelector(this.config.selectors.caption));
emptyElement(this.elements.captions);
const caption = createElement('span', getAttributesFromSelector(this.config.selectors.caption));
caption.innerHTML = content;
this.elements.captions.appendChild(caption);
// Trigger event
utils.dispatchEvent.call(this, this.media, 'cuechange');
trigger.call(this, this.media, 'cuechange');
}
},
};