pressbooks aldine theme the theme used for the front page or default book
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import camelCase from './camelCase';
/**
* DOM-based Routing
*
* Based on {@link http://goo.gl/EUTi53|Markup-based Unobtrusive Comprehensive DOM-ready Execution} by Paul Irish
*
* The routing fires all common scripts, followed by the page specific scripts.
* Add additional events for more control over timing e.g. a finalize event
*/
class Router {
/**
* Create a new Router
*
* @param {object} routes
*/
constructor( routes ) {
this.routes = routes;
}
/**
* Fire Router events
*
* @param {string} route DOM-based route derived from body classes (`<body class="...">`)
* @param {string} [event] Events on the route. By default, `init` and `finalize` events are called.
* @param {string} [arg] Any custom argument to be passed to the event.
*/
fire( route, event = 'init', arg ) {
const fire =
route !== '' &&
this.routes[route] &&
typeof this.routes[route][event] === 'function';
if ( fire ) {
this.routes[route][event]( arg );
}
}
/**
* Automatically load and fire Router events
*
* Events are fired in the following order:
* common init
* page-specific init
* page-specific finalize
* common finalize
*/
loadEvents() {
// Fire common init JS
this.fire( 'common' );
// Fire page-specific init JS, and then finalize JS
document.body.className
.toLowerCase()
.replace( /-/g, '_' )
.split( /\s+/ )
.map( camelCase )
.forEach( className => {
this.fire( className );
this.fire( className, 'finalize' );
} );
// Fire common finalize JS
this.fire( 'common', 'finalize' );
}
}
export default Router;