100 lines
2.3 KiB
JavaScript
100 lines
2.3 KiB
JavaScript
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const pkg = require('./package.json');
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const { rollup } = require('rollup');
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const { terser } = require('rollup-plugin-terser');
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const babel = require('@rollup/plugin-babel').default;
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const commonjs = require('@rollup/plugin-commonjs');
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const resolve = require('@rollup/plugin-node-resolve').default;
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const gulp = require('gulp');
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const banner = `/*!
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* reveal.js-menu ${pkg.version}
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* ${pkg.homepage}
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* MIT licensed
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*
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* Copyright (C) 2016 Greg Denehy
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*/\n`;
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const babelConfig = {
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babelHelpers: 'bundled',
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ignore: ['node_modules'],
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compact: false,
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extensions: ['.js', '.html'],
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plugins: ['transform-html-import-to-string'],
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presets: [
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[
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'@babel/preset-env',
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{
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corejs: 3,
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useBuiltIns: 'usage',
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modules: false
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}
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]
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]
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};
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// Our ES module bundle only targets newer browsers with
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// module support. Browsers are targeted explicitly instead
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// of using the "esmodule: true" target since that leads to
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// polyfilling older browsers and a larger bundle.
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const babelConfigESM = JSON.parse(JSON.stringify(babelConfig));
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babelConfigESM.presets[0][1].targets = {
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browsers: [
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'last 2 Chrome versions',
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'not Chrome < 60',
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'last 2 Safari versions',
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'not Safari < 10.1',
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'last 2 iOS versions',
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'not iOS < 10.3',
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'last 2 Firefox versions',
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'not Firefox < 60',
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'last 2 Edge versions',
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'not Edge < 16'
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]
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};
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let cache = {};
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// Creates a UMD and ES module bundle for each plugin
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gulp.task('build', () => {
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return Promise.all(
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[
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{
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name: 'RevealMenu',
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input: './plugin.js',
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output: './menu'
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}
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].map(plugin => {
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return rollup({
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cache: cache[plugin.input],
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input: plugin.input,
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plugins: [
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resolve(),
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commonjs(),
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babel({
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...babelConfig,
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ignore: [/node_modules\/.*/]
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}),
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terser()
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]
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}).then(bundle => {
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cache[plugin.input] = bundle.cache;
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bundle.write({
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file: plugin.output + '.esm.js',
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name: plugin.name,
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format: 'es'
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});
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bundle.write({
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file: plugin.output + '.js',
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name: plugin.name,
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format: 'umd'
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});
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});
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})
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);
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});
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gulp.task('default', gulp.series('build'));
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