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| -rw-r--r-- | README.md | 11 |
1 files changed, 6 insertions, 5 deletions
@@ -1235,19 +1235,20 @@ Then: ## Plugins -Plugins should be registered with reveal.js by calling `Reveal.registerPlugin( 'myPluginID', MyPlugin )`. Registered plugin instances should expose an "init" function that reveal.js can call to initialize them. +Plugins should register themselves with reveal.js by calling `Reveal.registerPlugin( 'myPluginID', MyPlugin )`. Registered plugin instances can optionally expose an "init" function that reveal.js will call to initialize them. -When reveal.js is booted up via `Reveal.initialize()`, it will go through all registered plugins and invoke their "init" methods. If the "init" method returns a Promise, reveal.js will wait for that promise to be fullfilled before finshing the startup sequence and firing the [ready](#ready-event) event. Here's an example of a plugin that returns a promise: +When reveal.js is booted up via `Reveal.initialize()`, it will go through all registered plugins and invoke their "init" methods. If the "init" method returns a Promise, reveal.js will wait for that promise to be fullfilled before finshing the startup sequence and firing the [ready](#ready-event) event. Here's an example of a plugin that does some asynchronous work before reveal.js can proceed: ```javascript -Reveal.registerPlugin( 'myPlugin', { +let MyPlugin = { init: () => new Promise( resolve => setTimeout( resolve, 3000 ) ) -} ); +}; +Reveal.registerPlugin( 'myPlugin', MyPlugin ); Reveal.addEventListener( 'ready', () => console.log( 'Three seconds later...' ) ); Reveal.initialize(); ``` -If the init method does _not_ return a Promise, it is considered ready right away and will not hold up the reveal.js startup sequence. +If the init method does _not_ return a Promise, the plugin is considered ready right away and will not hold up the reveal.js startup sequence. ### Retrieving Plugins |