51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
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import { enterFullscreen } from '../utils/util.js'
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/**
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* Handles all reveal.js keyboard interactions.
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*/
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export default class Location {
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constructor( Reveal ) {
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this.Reveal = Reveal;
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}
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/**
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* Return a hash URL that will resolve to the given slide location.
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*
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* @param {HTMLElement} [slide=currentSlide] The slide to link to
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*/
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getHash( slide = this.Reveal.getCurrentSlide() ) {
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let url = '/';
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// Attempt to create a named link based on the slide's ID
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let id = slide ? slide.getAttribute( 'id' ) : null;
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if( id ) {
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id = encodeURIComponent( id );
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}
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let index = this.Reveal.getIndices( slide );
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if( !this.Reveal.getConfig().fragmentInURL ) {
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index.f = undefined;
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}
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// If the current slide has an ID, use that as a named link,
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// but we don't support named links with a fragment index
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if( typeof id === 'string' && id.length && index.f === undefined ) {
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url = '/' + id;
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}
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// Otherwise use the /h/v index
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else {
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let hashIndexBase = this.Reveal.getConfig().hashOneBasedIndex ? 1 : 0;
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if( index.h > 0 || index.v > 0 || index.f !== undefined ) url += index.h + hashIndexBase;
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if( index.v > 0 || index.f !== undefined ) url += '/' + (index.v + hashIndexBase );
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if( index.f !== undefined ) url += '/' + index.f;
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}
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return url;
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}
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}
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