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transpile service worker and cleanup build plugin

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This commit is contained in:
Bruno Windels 2021-12-09 11:39:28 +01:00
parent 180681b602
commit c344032c0a
2 changed files with 26 additions and 26 deletions
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50
scripts/build-plugins/service-worker.js
View File

@ -8,42 +8,42 @@ function contentHash(str) {
return hasher.digest(); return hasher.digest();
} }
module.exports = function injectServiceWorker(swFile) { module.exports = function injectServiceWorker(swFile, otherUncachedFiles) {
const swName = path.basename(swFile);
let root; let root;
let version; let version;
let manifestHref;
return { return {
name: "hydrogen:injectServiceWorker", name: "hydrogen:injectServiceWorker",
apply: "build", apply: "build",
enforce: "post", enforce: "post",
buildStart() {
this.emitFile({
type: "chunk",
fileName: swName,
id: swFile,
});
},
configResolved: config => { configResolved: config => {
root = config.root; root = config.root;
version = JSON.parse(config.define.HYDROGEN_VERSION); // unquote version = JSON.parse(config.define.HYDROGEN_VERSION); // unquote
}, },
generateBundle: async function(_, bundle) { generateBundle: async function(options, bundle) {
const absoluteSwFile = path.resolve(root, swFile); const uncachedFileNames = [swName].concat(otherUncachedFiles);
let swSource = await fs.readFile(absoluteSwFile, {encoding: "utf8"}); const uncachedFileContentMap = uncachedFileNames.reduce((map, fileName) => {
const index = bundle["index.html"]; const chunkOrAsset = bundle[fileName];
if (!index) { if (!chunkOrAsset) {
console.log("index not found", index); throw new Error("could not get content for uncached asset or chunk " + fileName);
} }
const uncachedFileContentMap = { map[fileName] = chunkOrAsset.source || chunkOrAsset.code;
"index.html": index.source, return map;
"sw.js": swSource }, {});
};
const assets = Object.values(bundle); const assets = Object.values(bundle);
const cachedFileNames = assets.map(o => o.fileName).filter(fileName => fileName !== "index.html"); const cachedFileNames = assets.map(o => o.fileName).filter(fileName => !uncachedFileContentMap[fileName]);
const globalHash = getBuildHash(cachedFileNames, uncachedFileContentMap); const globalHash = getBuildHash(cachedFileNames, uncachedFileContentMap);
swSource = await buildServiceWorker(swSource, version, globalHash, assets); const sw = bundle[swName];
const outputName = path.basename(absoluteSwFile); sw.code = replaceConstsInServiceWorker(sw.code, version, globalHash, assets);
// TODO: do normal build transformations for service worker too, console.log(`\nBuilt ${version} (${globalHash})`);
// I think if we emit it as a chunk rather than an asset it would
// but we can't emit chunks anymore in generateBundle I think ...
this.emitFile({
type: "asset",
fileName: outputName,
source: swSource
});
} }
}; };
} }
@ -75,7 +75,7 @@ function isPreCached(asset) {
fileName.endsWith(".js") && !NON_PRECACHED_JS.includes(path.basename(name)); fileName.endsWith(".js") && !NON_PRECACHED_JS.includes(path.basename(name));
} }
async function buildServiceWorker(swSource, version, globalHash, assets) { function replaceConstsInServiceWorker(swSource, version, globalHash, assets) {
const unhashedPreCachedAssets = []; const unhashedPreCachedAssets = [];
const hashedPreCachedAssets = []; const hashedPreCachedAssets = [];
const hashedCachedOnRequestAssets = []; const hashedCachedOnRequestAssets = [];

2
vite.config.js
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@ -50,7 +50,7 @@ export default {
// important this comes before service worker // important this comes before service worker
// otherwise the manifest and the icons it refers to won't be cached // otherwise the manifest and the icons it refers to won't be cached
injectWebManifest("assets/manifest.json"), injectWebManifest("assets/manifest.json"),
injectServiceWorker("sw.js"), injectServiceWorker("./src/platform/web/sw.js", ["index.html"]),
], ],
define: { define: {
"HYDROGEN_VERSION": JSON.stringify(version) "HYDROGEN_VERSION": JSON.stringify(version)