mirror of
https://github.com/home-assistant/frontend.git
synced 2025-06-20 09:06:34 +00:00
86 lines
2.4 KiB
JavaScript
86 lines
2.4 KiB
JavaScript
/*
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Generate a caching service worker for HA
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Will be called as part of build_frontend.
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Expects home-assistant-polymer repo as submodule of HA repo.
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Creates a caching service worker based on the CURRENT content of HA repo.
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Output service worker to build/service_worker.js
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*/
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var crypto = require('crypto');
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var fs = require('fs');
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var path = require('path');
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var swPrecache = require('sw-precache');
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var uglifyJS = require('uglify-js');
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var rootDir = '..';
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var panelDir = rootDir + '/panels';
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// var panels = fs.readdirSync(panelDir);
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var dynamicUrlToDependencies = {
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'/': [rootDir + '/frontend.html', rootDir + '/core.js'],
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};
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var staticFingerprinted = [
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'frontend.html',
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'mdi.html',
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'core.js',
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];
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// The panels that will always be loaded
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var panelsFingerprinted = [
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'map', 'dev-event', 'dev-info', 'dev-service', 'dev-state', 'dev-template',
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];
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function md5(filename) {
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return crypto.createHash('md5')
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.update(fs.readFileSync(filename)).digest('hex');
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}
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// Create fingerprinted versions of our dependencies.
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staticFingerprinted.forEach(fn => {
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var parts = path.parse(fn);
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var hash = md5(rootDir + '/' + parts.name + parts.ext);
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var url = '/static/' + parts.name + '-' + hash + parts.ext;
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var fpath = rootDir + '/' + parts.name + parts.ext;
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dynamicUrlToDependencies[url] = [fpath];
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});
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panelsFingerprinted.forEach(panel => {
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var fpath = panelDir + '/ha-panel-' + panel + '.html';
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var hash = md5(fpath);
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var url = '/frontend/panels/' + panel + '-' + hash + '.html';
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dynamicUrlToDependencies[url] = [fpath];
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});
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var options = {
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navigateFallback: '/',
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navigateFallbackWhitelist: [/^((?!(static|api|service_worker.js)).)*$/],
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dynamicUrlToDependencies: dynamicUrlToDependencies,
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staticFileGlobs: [
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rootDir + '/icons/favicon.ico',
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rootDir + '/icons/favicon-192x192.png',
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rootDir + '/webcomponents-lite.min.js',
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rootDir + '/fonts/roboto/Roboto-Light.ttf',
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rootDir + '/fonts/roboto/Roboto-Medium.ttf',
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rootDir + '/fonts/roboto/Roboto-Regular.ttf',
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rootDir + '/fonts/roboto/Roboto-Bold.ttf',
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rootDir + '/images/card_media_player_bg.png',
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],
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stripPrefix: '..',
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replacePrefix: 'static',
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verbose: true,
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};
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var genPromise = swPrecache.generate(options);
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if (true) {
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genPromise = genPromise.then(
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swString => uglifyJS.minify(swString, { fromString: true }).code);
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}
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genPromise.then(
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swString =>
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fs.writeFileSync(path.join('build', 'service_worker.js'), swString)
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).catch(err => console.error(err));
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