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initialize plugins serially

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This commit is contained in:
Hakim El Hattab 2020-04-16 16:40:46 +02:00
parent 561c3ff443
commit 08f29f08a2
5 changed files with 1270 additions and 869 deletions
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2
dist/plugin/markdown.js vendored
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2
dist/reveal.min.js vendored
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23
js/controllers/plugins.js
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@ -85,7 +85,8 @@ export default class Plugins {
return new Promise( resolve => {
let pluginsToInitialize = Object.keys( this.registeredPlugins ).length;
let pluginValues = Object.values( this.registeredPlugins );
let pluginsToInitialize = pluginValues.length;
// If there are no plugins, skip this step
if( pluginsToInitialize === 0 ) {
@ -94,23 +95,31 @@ export default class Plugins {
// ... otherwise initialize plugins
else {
let initNextPlugin;
let afterPlugInitialized = () => {
if( --pluginsToInitialize === 0 ) {
this.loadAsync().then( resolve );
}
else {
initNextPlugin();
}
};
for( let i in this.registeredPlugins ) {
let i = 0;
let plugin = this.registeredPlugins[i];
// Initialize plugins serially
initNextPlugin = () => {
let plugin = pluginValues[i++];
// If the plugin has an 'init' method, invoke it
if( typeof plugin.init === 'function' ) {
let callback = plugin.init( this.Reveal );
let promise = plugin.init( this.Reveal );
// If the plugin returned a Promise, wait for it
if( callback && typeof callback.then === 'function' ) {
callback.then( afterPlugInitialized );
if( promise && typeof promise.then === 'function' ) {
promise.then( afterPlugInitialized );
}
else {
afterPlugInitialized();
@ -122,6 +131,8 @@ export default class Plugins {
}
initNextPlugin();
}
} )

2096
package-lock.json generated
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16
plugin/markdown/markdown.js
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@ -15,13 +15,15 @@ export default {
* current reveal.js deck.
*/
init: function( deck ) {
if( typeof window.hljs !== 'undefined' ) {
marked.setOptions({
highlight: function( code, lang ) {
return window.hljs.highlightAuto( code, lang ? [lang] : null ).value;
}
});
}
// This should no longer be needed, as long as the highlight.js
// plugin is included after the markdown plugin
// if( typeof window.hljs !== 'undefined' ) {
// marked.setOptions({
// highlight: function( code, lang ) {
// return window.hljs.highlightAuto( code, lang ? [lang] : null ).value;
// }
// });
// }
// marked can be configured via reveal.js config options
var options = deck.getConfig().markdown;