gpu.js/scripts/minify.js at develop · gpujs/gpu.js · GitHub

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// Minifies the built bundles. Replaces gulp's `minify`.

const fs = require('fs');

const path = require('path');

const { minify: terserMinify } = require('terser');

const { ROOT, write } = require('./lib');

// ascii_only escapes non-ASCII to \uXXXX. acorn's unicode identifier tables

// are the only source of it here, and leaving those bytes raw broke the bundle

// for anyone serving it without a matching charset (#743, #744).

const options = {

output: {

ascii_only: true,

// Keep licence comments, and say so rather than leaning on terser's

// default. The bundle's own banner is one of them: it carries `@license`,

// so it survives minification in place and must not be prepended a second

// time — which is how the minified files ended up with two banners, a

// second apart, for anyone who opened them on a CDN.

comments: /@license|@preserve/,

};

const targets = [

['dist/gpu-browser.js', 'dist/gpu-browser.min.js'],

['dist/gpu-browser-core.js', 'dist/gpu-browser-core.min.js'],

];

async function minify() {

for (const [from, to] of targets) {

const source = fs.readFileSync(path.join(ROOT, from), 'utf8');

// the banner comes through from the unminified bundle, so the minified

// file carries the same one -- same version, same timestamp

const result = await terserMinify({ [path.basename(from)]: source }, options);

if (result.error) throw result.error;

write(to, result.code);

}

if (require.main === module) {

minify().catch(error => {

console.error(error);

process.exit(1);

});

}

module.exports = { minify };

gpu.js/scripts/minify.js at develop · gpujs/gpu.js · GitHub

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