rollup-plugin-hash-n-gzip
v3.0.0
Published
Hash and gzip output files
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rollup-plugin-hash-n-gzip
Hash and gzip outputs. Updated for Rollup 0.64+.
Used for static serving of gzip compressed files with filename based cache busting and source integrity calculation.
Combine with rollup-plugin-web-build-events for an integrated live-reload development experience.
Example
Generate a static public/ folder with gzip'd files and a preprocessed public/index.html and public/dynamic.json.
Then serve with packages like express-static-gzip or koa-static.
import rpi_hash_n_gzip from 'rollup-plugin-hash-n-gzip'
const plugins = [rpi_hash_n_gzip({onAltMapping, altBase})]
export default [
{ input: ['src/main-a.js', 'src/main-b.js'],
output: { dir: 'public/module', format: 'es', sourcemap: true },
plugins, experimentalCodeSplitting: true },
]
let tid
function onAltMapping(altNames, altRoot, ns) {
Object.assign(ns, altNames)
console.log(`onAltMapping for "${altRoot}"`)
// debounce rebuilding depenent outputs as necessary. (e.g. index.html)
clearTimeout(tid)
tid = setTimeout(rebuildRoot, 100, ns)
}
function rebuildRoot(ns) {
fs.writeFile('public/dynamic.json',
JSON.stringify(ns, null, 2),
err => err && console.error(err) )
// Or use a templating engine here
const index_html = `\
<!doctype html>
<head>
<title>rollup-plugin-hash-n-gzip example</title>
<script type=module src='${ns['public/module/main-a.js']}'></script>
<script type=module src='${ns['public/module/main-b.js']}'></script>
</head>
<body>
Look in your inspector
</body>`
fs.writeFile('public/index.html', index_html,
err => err && console.error(err) )
}Rollup Plugin Options
import rpi_hash_n_gzip from 'rollup-plugin-hash-n-gzip'
const plugins = [
rpi_hash_n_gzip({
minSize: 14e3, // souces over this size will be gzip'd
gzip_options: null, // zlib gzip options
hash_algorithm: 'sha1',
skip(outputFileName, bndl) {}, // allows excluding some bundles from processing (e.g. code splits)
contentBase: null, // path that resolved updates are relative to
onBuildUpdate({updates}) {}, // callback for each generateBundle processing
})
]License
Some code inspired and/or sourced from: