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rollup cache for all js bunling, improves subsequent build time by 50%

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This commit is contained in:
Hakim El Hattab 2020-05-27 09:06:31 +02:00
parent b1e5db0ec9
commit fc62af9d5b
1 changed files with 7 additions and 5 deletions
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12
gulpfile.js
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@ -66,13 +66,13 @@ babelConfigESM.presets[0][1].targets = { browsers: [
'last 2 Edge versions', 'not Edge < 16', 'last 2 Edge versions', 'not Edge < 16',
] }; ] };
let rollupCache; let cache = {};
// Creates a bundle with broad browser support, exposed // Creates a bundle with broad browser support, exposed
// as UMD // as UMD
gulp.task('js-es5', () => { gulp.task('js-es5', () => {
return rollup({ return rollup({
cache: rollupCache, cache: cache.umd,
input: 'js/index.js', input: 'js/index.js',
plugins: [ plugins: [
resolve(), resolve(),
@ -81,7 +81,7 @@ gulp.task('js-es5', () => {
terser() terser()
] ]
}).then( bundle => { }).then( bundle => {
rollupCache = bundle.cache; cache.umd = bundle.cache;
return bundle.write({ return bundle.write({
name: 'Reveal', name: 'Reveal',
file: './dist/reveal.js', file: './dist/reveal.js',
@ -95,7 +95,7 @@ gulp.task('js-es5', () => {
// Creates an ES module bundle // Creates an ES module bundle
gulp.task('js-es6', () => { gulp.task('js-es6', () => {
return rollup({ return rollup({
cache: rollupCache, cache: cache.esm,
input: 'js/index.js', input: 'js/index.js',
plugins: [ plugins: [
resolve(), resolve(),
@ -104,7 +104,7 @@ gulp.task('js-es6', () => {
terser() terser()
] ]
}).then( bundle => { }).then( bundle => {
rollupCache = bundle.cache; cache.esm = bundle.cache;
return bundle.write({ return bundle.write({
file: './dist/reveal.esm.js', file: './dist/reveal.esm.js',
format: 'es', format: 'es',
@ -127,6 +127,7 @@ gulp.task('plugins', () => {
{ name: 'RevealMath', input: './plugin/math/plugin.js', output: './plugin/math/math' }, { name: 'RevealMath', input: './plugin/math/plugin.js', output: './plugin/math/math' },
].map( plugin => { ].map( plugin => {
return rollup({ return rollup({
cache: cache[plugin.input],
input: plugin.input, input: plugin.input,
plugins: [ plugins: [
resolve(), resolve(),
@ -138,6 +139,7 @@ gulp.task('plugins', () => {
terser() terser()
] ]
}).then( bundle => { }).then( bundle => {
cache[plugin.input] = bundle.cache;
bundle.write({ bundle.write({
file: plugin.output + '.esm.js', file: plugin.output + '.esm.js',
name: plugin.name, name: plugin.name,