The plugin has been moved to GoogleChromeLabs/webbundle-plugins/packages/rollup-plugin-webbundle.
A Rollup plugin which generates Web Bundles output. Currently the spec is still a draft, so this package is also in alpha until the spec stabilizes.
This plugin requires Node v14.0.0+ and Rollup v1.21.0+.
Using npm:
npm install rollup-plugin-webbundle --save-dev
This example assumes your application entry point is src/index.js and static files (including index.html) are located in static directory.
/* rollup.config.mjs */
import webbundle from 'rollup-plugin-webbundle';
export default {
input: 'src/index.js',
output: {
dir: 'dist',
format: 'esm',
},
plugins: [
webbundle({
baseURL: 'https://example.com/',
static: { dir: 'static' },
}),
],
};
A WBN file dist/out.wbn should be written.
This example assumes your application entry point is src/index.js, static files (including index.html) are located in static directory and you have a .env file in the root directory with ED25519KEY defined in it. The example also requires installing dotenv npm package as a dev dependency.
It is also required to have a Web App Manifest at /manifest.webmanifest, which can be placed e.g. in the static directory.
Also as in the below example, baseURL must be of format isolated-app://${WEB_BUNDLE_ID} for Isolated Web Apps. It can easily be generated from the private key with WebBundleId helper class from wbn-sign package. See Scheme explainer for more details.
/* rollup.config.mjs */
import webbundle from 'rollup-plugin-webbundle';
import * as wbnSign from 'wbn-sign';
import dotenv from 'dotenv';
dotenv.config({ path: './.env' });
const key = wbnSign.parsePemKey(process.env.ED25519KEY);
export default {
input: 'src/index.js',
output: {
dir: 'dist',
format: 'esm',
},
plugins: [
webbundle({
baseURL: new wbnSign.WebBundleId(key).serializeWithIsolatedWebAppOrigin(),
static: { dir: 'public' },
output: 'signed.swbn',
integrityBlockSign: { key },
}),
],
};
A signed web bundle (containing an Integrity Block) should be written to dist/signed.swbn.
Type: string
Default: ''
Specifies the URL prefix prepended to the file names in the bundle. Non-empty baseURL must end with /.
Type: string
Default: b2
Specifies WebBundle format version.
Type: string
Default: baseURL
Specifies the bundle's main resource URL. If omitted, the value of the baseURL option is used.
Type: { dir: String, baseURL?: string }
If specified, files and subdirectories under dir will be added to the bundle. baseURL can be omitted and defaults to Options.baseURL.
Type: string
Default: out.wbn
Specifies the file name of the Web Bundle to emit.
Type: { key: KeyObject }
Object specifying the signing options with Integrity Block.
integrityBlockSign.key (required if integrityBlockSign is in place)
Type: KeyObject
A parsed Ed25519 private key, which can be generated with:
openssl genpkey -algorithm Ed25519 -out ed25519key.pem
And parsed with wbnSign.parsePemKey(process.env.ED25519KEY) helper function.
Note than in order for it to be parsed correctly, it must contain the BEGIN and END texts and line breaks (\n). Below an example .env file:
ED25519KEY="-----BEGIN PRIVATE KEY-----\nMC4CAQAwBQYDK2VwBCIEIB8nP5PpWU7HiILHSfh5PYzb5GAcIfHZ+bw6tcd/LZXh\n-----END PRIVATE KEY-----"
Type: boolean
If undefined or true, enforces certain Isolated Web App -related checks for the headers. Also adds default IWA headers if completely missing. If set to false, skips validation checks and doesn't tamper with the headers.
Type: { [key: string]: string; } | (filepath: string) => { [key: string]: string; };
Object of strings specifying overridden headers or a function returning the same kind of object.
Licensed under the Apache-2.0 license.
See CONTRIBUTING.md file.
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