Use const in print controller
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@ -62,8 +62,8 @@ export default class Print {
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// children will be
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if( slide.classList.contains( 'stack' ) === false ) {
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// Center the slide inside of the page, giving the slide some margin
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let left = ( pageWidth - slideWidth ) / 2,
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top = ( pageHeight - slideHeight ) / 2;
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const left = ( pageWidth - slideWidth ) / 2;
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let top = ( pageHeight - slideHeight ) / 2;
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const contentHeight = slideScrollHeights[ index ];
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let numberOfPages = Math.max( Math.ceil( contentHeight / pageHeight ), 1 );
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@ -78,7 +78,7 @@ export default class Print {
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// Wrap the slide in a page element and hide its overflow
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// so that no page ever flows onto another
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let page = document.createElement( 'div' );
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const page = document.createElement( 'div' );
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page.className = 'pdf-page';
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page.style.height = ( ( pageHeight + config.pdfPageHeightOffset ) * numberOfPages ) + 'px';
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slide.parentNode.insertBefore( page, slide );
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@ -97,12 +97,12 @@ export default class Print {
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if( config.showNotes ) {
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// Are there notes for this slide?
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let notes = this.Reveal.getSlideNotes( slide );
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const notes = this.Reveal.getSlideNotes( slide );
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if( notes ) {
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let notesSpacing = 8;
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let notesLayout = typeof config.showNotes === 'string' ? config.showNotes : 'inline';
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let notesElement = document.createElement( 'div' );
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const notesSpacing = 8;
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const notesLayout = typeof config.showNotes === 'string' ? config.showNotes : 'inline';
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const notesElement = document.createElement( 'div' );
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notesElement.classList.add( 'speaker-notes' );
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notesElement.classList.add( 'speaker-notes-pdf' );
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notesElement.setAttribute( 'data-layout', notesLayout );
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@ -138,7 +138,7 @@ export default class Print {
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// Each fragment 'group' is an array containing one or more
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// fragments. Multiple fragments that appear at the same time
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// are part of the same group.
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let fragmentGroups = this.Reveal.fragments.sort( page.querySelectorAll( '.fragment' ), true );
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const fragmentGroups = this.Reveal.fragments.sort( page.querySelectorAll( '.fragment' ), true );
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let previousFragmentStep;
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let previousPage;
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