mirror of
https://github.com/astefanutti/decktape.git
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BREAKING CHANGE: Please run node 12.20 or higher BREAKING CHANGE: This package is now a pure esm, please [read this](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c)
69 lines
2.2 KiB
JavaScript
69 lines
2.2 KiB
JavaScript
export const create = page => new RISE(page);
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class RISE {
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constructor(page) {
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this.page = page;
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}
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getName() {
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return 'RISE';
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}
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isActive() {
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return this.page.evaluate(_ => typeof Jupyter !== 'undefined' && typeof Jupyter.notebook !== 'undefined');
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}
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async configure() {
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// wait until the RISE extension has loaded
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await this.page.waitForSelector('#RISE', { timeout: 30000 });
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// then start the slideshow if not already
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await this.page.evaluate(_ => {
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// check if slideshow has already started with autolaunch option
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if (!$('#maintoolbar').hasClass('reveal_tagging')) {
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// click on the 'Enter/Exit RISE Slideshow' button in the notebook toolbar
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$('#RISE').click();
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}
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// remove help an exit buttons
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$('#help_b, #exit_b').fadeToggle();
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});
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// then wait until Reveal.js gets configured by the RISE extension
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await this.page.waitForFunction('typeof Reveal !== \'undefined\' && Reveal.isReady()', { timeout: 30000 });
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// finally override Reveal.js configuration
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await this.page.evaluate(_ => Reveal.configure({
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controls : false,
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progress : false,
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slideNumber : false,
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// TODO: provide an option to turn fragments off
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fragments : true,
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}));
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}
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slideCount() {
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// TODO: the getTotalSlides API does not report the number of slides accurately
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// as it does not take stacks and some index-less fragments into account
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// getTotalSlides API is only available starting reveal.js version 3.0.0
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return this.page.evaluate(_ => typeof Reveal.getTotalSlides === 'function'
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? Reveal.getTotalSlides()
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: undefined);
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}
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hasNextSlide() {
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return this.page.evaluate(_ => !Reveal.isLastSlide() || Reveal.availableFragments().next);
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}
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nextSlide() {
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return this.page.evaluate(_ => Reveal.next());
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}
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currentSlideIndex() {
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return this.page.evaluate(_ => {
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const indices = Reveal.getIndices();
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const id = Reveal.getCurrentSlide().getAttribute('id');
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return typeof id === 'string' && id.length
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? '/' + id
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: '/' + indices.h + (indices.v > 0 ? '/' + indices.v : '');
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});
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}
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}
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