rollup cache for all js bunling, improves subsequent build time by 50%
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12
gulpfile.js
12
gulpfile.js
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@ -66,13 +66,13 @@ babelConfigESM.presets[0][1].targets = { browsers: [
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'last 2 Edge versions', 'not Edge < 16',
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] };
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let rollupCache;
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let cache = {};
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// Creates a bundle with broad browser support, exposed
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// as UMD
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gulp.task('js-es5', () => {
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return rollup({
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cache: rollupCache,
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cache: cache.umd,
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input: 'js/index.js',
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plugins: [
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resolve(),
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@ -81,7 +81,7 @@ gulp.task('js-es5', () => {
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terser()
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]
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}).then( bundle => {
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rollupCache = bundle.cache;
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cache.umd = bundle.cache;
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return bundle.write({
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name: 'Reveal',
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file: './dist/reveal.js',
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@ -95,7 +95,7 @@ gulp.task('js-es5', () => {
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// Creates an ES module bundle
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gulp.task('js-es6', () => {
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return rollup({
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cache: rollupCache,
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cache: cache.esm,
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input: 'js/index.js',
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plugins: [
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resolve(),
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@ -104,7 +104,7 @@ gulp.task('js-es6', () => {
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terser()
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]
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}).then( bundle => {
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rollupCache = bundle.cache;
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cache.esm = bundle.cache;
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return bundle.write({
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file: './dist/reveal.esm.js',
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format: 'es',
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@ -127,6 +127,7 @@ gulp.task('plugins', () => {
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{ name: 'RevealMath', input: './plugin/math/plugin.js', output: './plugin/math/math' },
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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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@ -138,6 +139,7 @@ gulp.task('plugins', () => {
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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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