track assets centrally in build script
This commit is contained in:
Bruno Windels
parent
5ad600cd56
commit
07b6458f19
1 changed files with 141 additions and 140 deletions
|
|
@ -41,10 +41,6 @@ import postcssUrl from "postcss-url";
|
|||
import cssvariables from "postcss-css-variables";
|
||||
import flexbugsFixes from "postcss-flexbugs-fixes";
|
||||
|
||||
const PROJECT_ID = "hydrogen";
|
||||
const PROJECT_SHORT_NAME = "Hydrogen";
|
||||
const PROJECT_NAME = "Hydrogen Chat";
|
||||
|
||||
const __filename = fileURLToPath(import.meta.url);
|
||||
const __dirname = dirname(__filename);
|
||||
const projectDir = path.join(__dirname, "../");
|
||||
|
|
@ -55,21 +51,10 @@ const program = new commander.Command();
|
|||
program
|
||||
.option("--no-offline", "make a build without a service worker or appcache manifest")
|
||||
program.parse(process.argv);
|
||||
const {debug, noOffline} = program;
|
||||
const {noOffline} = program;
|
||||
const offline = !noOffline;
|
||||
|
||||
const olmFiles = {
|
||||
wasm: "olm-4289088762.wasm",
|
||||
legacyBundle: "olm_legacy-3232457086.js",
|
||||
wasmBundle: "olm-1421970081.js",
|
||||
};
|
||||
|
||||
// IDEA: how about instead of assetPaths we maintain a mapping between the source file and the target file
|
||||
// so throughout the build script we can refer to files by their source name
|
||||
|
||||
async function build() {
|
||||
// only used for CSS for now, using legacy for all targets for now
|
||||
const legacy = true;
|
||||
// get version number
|
||||
const version = JSON.parse(await fs.readFile(path.join(projectDir, "package.json"), "utf8")).version;
|
||||
|
||||
|
|
@ -82,46 +67,23 @@ async function build() {
|
|||
// clear target dir
|
||||
await removeDirIfExists(targetDir);
|
||||
await createDirs(targetDir, themes);
|
||||
// copy assets
|
||||
await copyFolder(path.join(projectDir, "lib/olm/"), targetDir);
|
||||
// also creates the directories where the theme css bundles are placed in,
|
||||
// so do it first
|
||||
const themeAssets = await copyThemeAssets(themes, legacy);
|
||||
const jsBundlePath = await buildJs("src/main.js", `${PROJECT_ID}.js`);
|
||||
const jsLegacyBundlePath = await buildJsLegacy("src/main.js", `${PROJECT_ID}-legacy.js`, 'src/legacy-extras.js');
|
||||
const jsWorkerPath = await buildWorkerJsLegacy("src/worker.js", `worker.js`);
|
||||
const cssBundlePaths = await buildCssBundles(legacy ? buildCssLegacy : buildCss, themes, themeAssets);
|
||||
|
||||
let manifestPath;
|
||||
|
||||
const assetPaths = createAssetPaths(jsBundlePath, jsLegacyBundlePath, jsWorkerPath,
|
||||
cssBundlePaths, themeAssets);
|
||||
|
||||
const assets = new AssetMap(targetDir);
|
||||
// copy olm assets
|
||||
const olmAssets = await copyFolder(path.join(projectDir, "lib/olm/"), assets.directory);
|
||||
assets.addSubMap(olmAssets);
|
||||
await buildJs("src/main.js", code => assets.create(`hydrogen.js`, code));
|
||||
await buildJsLegacy("src/main.js", code => assets.create(`hydrogen-legacy.js`, code), 'src/legacy-extras.js');
|
||||
await buildWorkerJsLegacy("src/worker.js", code => assets.create(`worker.js`, code));
|
||||
// creates the directories where the theme css bundles are placed in,
|
||||
// and writes to assets, so the build bundles can translate them, so do it first
|
||||
await copyThemeAssets(themes, assets);
|
||||
await buildCssBundles(buildCssLegacy, themes, assets);
|
||||
if (offline) {
|
||||
manifestPath = await buildOffline(version, assetPaths);
|
||||
await buildOffline(version, assets);
|
||||
}
|
||||
await buildHtml(doc, version, assetPaths, manifestPath);
|
||||
|
||||
console.log(`built ${PROJECT_ID} ${version} successfully`);
|
||||
}
|
||||
|
||||
function trim(path) {
|
||||
if (!path.startsWith(targetDir)) {
|
||||
throw new Error("invalid target path: " + targetDir);
|
||||
}
|
||||
return path.substr(targetDir.length);
|
||||
}
|
||||
|
||||
function createAssetPaths(jsBundlePath, jsLegacyBundlePath, jsWorkerPath, cssBundlePaths, themeAssets) {
|
||||
return {
|
||||
jsBundle: () => trim(jsBundlePath),
|
||||
jsLegacyBundle: () => trim(jsLegacyBundlePath),
|
||||
jsWorker: () => trim(jsWorkerPath),
|
||||
cssMainBundle: () => trim(cssBundlePaths.main),
|
||||
cssThemeBundle: themeName => trim(cssBundlePaths.themes[themeName]),
|
||||
cssThemeBundles: () => Object.values(cssBundlePaths.themes).map(a => trim(a)),
|
||||
otherAssets: () => Object.values(themeAssets).map(a => trim(a)),
|
||||
};
|
||||
await buildHtml(doc, version, assets);
|
||||
// 3 unhashed assets: index.html, manifest.appcache and sw.js
|
||||
console.log(`built hydrogen ${version} successfully with ${assets.all().length + 3} files`);
|
||||
}
|
||||
|
||||
async function findThemes(doc, callback) {
|
||||
|
|
@ -148,36 +110,38 @@ async function createDirs(targetDir, themes) {
|
|||
}
|
||||
}
|
||||
|
||||
async function copyThemeAssets(themes, legacy) {
|
||||
const assets = {};
|
||||
async function copyThemeAssets(themes, assets) {
|
||||
for (const theme of themes) {
|
||||
const themeDstFolder = path.join(targetDir, `themes/${theme}`);
|
||||
const themeSrcFolder = path.join(cssSrcDir, `themes/${theme}`);
|
||||
const themeAssets = await copyFolder(themeSrcFolder, themeDstFolder, file => {
|
||||
const isUnneededFont = legacy ? file.endsWith(".woff2") : file.endsWith(".woff");
|
||||
return !file.endsWith(".css") && !isUnneededFont;
|
||||
return !file.endsWith(".css");
|
||||
});
|
||||
Object.assign(assets, themeAssets);
|
||||
assets.addSubMap(themeAssets);
|
||||
}
|
||||
return assets;
|
||||
}
|
||||
|
||||
async function buildHtml(doc, version, assetPaths, manifestPath) {
|
||||
async function buildHtml(doc, version, assets) {
|
||||
// transform html file
|
||||
// change path to main.css to css bundle
|
||||
doc("link[rel=stylesheet]:not([title])").attr("href", assetPaths.cssMainBundle());
|
||||
doc("link[rel=stylesheet]:not([title])").attr("href", assets.resolve(`hydrogen.css`));
|
||||
// change paths to all theme stylesheets
|
||||
findThemes(doc, (themeName, theme) => {
|
||||
theme.attr("href", assetPaths.cssThemeBundle(themeName));
|
||||
theme.attr("href", assets.resolve(`themes/${themeName}/bundle.css`));
|
||||
});
|
||||
const pathsJSON = JSON.stringify({
|
||||
worker: assetPaths.jsWorker(),
|
||||
olm: olmFiles
|
||||
worker: assets.resolve(`worker.js`),
|
||||
olm: {
|
||||
wasm: assets.resolve("olm.wasm"),
|
||||
legacyBundle: assets.resolve("olm_legacy.js"),
|
||||
wasmBundle: assets.resolve("olm.js"),
|
||||
}
|
||||
});
|
||||
doc("script#main").replaceWith(
|
||||
`<script type="module">import {main} from "./${assetPaths.jsBundle()}"; main(document.body, ${pathsJSON});</script>` +
|
||||
`<script type="text/javascript" nomodule src="${assetPaths.jsLegacyBundle()}"></script>` +
|
||||
`<script type="text/javascript" nomodule>${PROJECT_ID}Bundle.main(document.body, ${pathsJSON}, ${PROJECT_ID}Bundle.legacyExtras);</script>`);
|
||||
`<script type="module">import {main} from "./${assets.resolve(`hydrogen.js`)}"; main(document.body, ${pathsJSON});</script>` +
|
||||
`<script type="text/javascript" nomodule src="${assets.resolve(`hydrogen-legacy.js`)}"></script>` +
|
||||
`<script type="text/javascript" nomodule>hydrogenBundle.main(document.body, ${pathsJSON}, hydrogenBundle.legacyExtras);</script>`);
|
||||
removeOrEnableScript(doc("script#service-worker"), offline);
|
||||
|
||||
const versionScript = doc("script#version");
|
||||
|
|
@ -188,12 +152,12 @@ async function buildHtml(doc, version, assetPaths, manifestPath) {
|
|||
|
||||
if (offline) {
|
||||
doc("html").attr("manifest", "manifest.appcache");
|
||||
doc("head").append(`<link rel="manifest" href="${manifestPath.substr(targetDir.length)}">`);
|
||||
doc("head").append(`<link rel="manifest" href="${assets.resolve("manifest.json")}">`);
|
||||
}
|
||||
await fs.writeFile(path.join(targetDir, "index.html"), doc.html(), "utf8");
|
||||
}
|
||||
|
||||
async function buildJs(inputFile, outputName) {
|
||||
async function buildJs(inputFile, outputNameFn) {
|
||||
// create js bundle
|
||||
const bundle = await rollup({
|
||||
input: inputFile,
|
||||
|
|
@ -202,15 +166,13 @@ async function buildJs(inputFile, outputName) {
|
|||
const {output} = await bundle.generate({
|
||||
format: 'es',
|
||||
// TODO: can remove this?
|
||||
name: `${PROJECT_ID}Bundle`
|
||||
name: `hydrogenBundle`
|
||||
});
|
||||
const code = output[0].code;
|
||||
const bundlePath = resource(outputName, code);
|
||||
await fs.writeFile(bundlePath, code, "utf8");
|
||||
return bundlePath;
|
||||
await fs.writeFile(outputNameFn(code), code, "utf8");
|
||||
}
|
||||
|
||||
async function buildJsLegacy(inputFile, outputName, extraFile, polyfillFile) {
|
||||
async function buildJsLegacy(inputFile, outputNameFn, extraFile, polyfillFile) {
|
||||
// compile down to whatever IE 11 needs
|
||||
const babelPlugin = babel.babel({
|
||||
babelHelpers: 'bundled',
|
||||
|
|
@ -245,35 +207,26 @@ async function buildJsLegacy(inputFile, outputName, extraFile, polyfillFile) {
|
|||
const bundle = await rollup(rollupConfig);
|
||||
const {output} = await bundle.generate({
|
||||
format: 'iife',
|
||||
name: `${PROJECT_ID}Bundle`
|
||||
name: `hydrogenBundle`
|
||||
});
|
||||
const code = output[0].code;
|
||||
const bundlePath = resource(outputName, code);
|
||||
await fs.writeFile(bundlePath, code, "utf8");
|
||||
return bundlePath;
|
||||
await fs.writeFile(outputNameFn(code), code, "utf8");
|
||||
}
|
||||
|
||||
function buildWorkerJsLegacy(inputFile, outputName) {
|
||||
function buildWorkerJsLegacy(inputFile, outputNameFn) {
|
||||
const polyfillFile = 'src/worker-polyfill.js';
|
||||
return buildJsLegacy(inputFile, outputName, null, polyfillFile);
|
||||
return buildJsLegacy(inputFile, outputNameFn, null, polyfillFile);
|
||||
}
|
||||
|
||||
async function buildOffline(version, assetPaths) {
|
||||
// write web manifest
|
||||
async function buildOffline(version, assets) {
|
||||
const webManifest = JSON.parse(await fs.readFile(path.join(projectDir, "assets/manifest.json"), "utf8"));
|
||||
// copy manifest icons
|
||||
for (const icon of webManifest.icons) {
|
||||
let iconData = await fs.readFile(path.join(projectDir, icon.src));
|
||||
let iconPath = resource(path.basename(icon.src), iconData);
|
||||
await fs.writeFile(iconPath, iconData);
|
||||
icon.src = trim(iconPath);
|
||||
const iconTargetPath = path.basename(icon.src);
|
||||
await fs.writeFile(assets.create(iconTargetPath, iconData), iconData);
|
||||
icon.src = assets.resolve(iconTargetPath);
|
||||
}
|
||||
// write offline availability
|
||||
const offlineFiles = [
|
||||
assetPaths.cssMainBundle(),
|
||||
"index.html",
|
||||
].concat(assetPaths.cssThemeBundles())
|
||||
.concat(webManifest.icons.map(i => i.src));
|
||||
|
||||
// write appcache manifest
|
||||
const appCacheLines = [
|
||||
`CACHE MANIFEST`,
|
||||
|
|
@ -282,53 +235,51 @@ async function buildOffline(version, assetPaths) {
|
|||
`"*"`,
|
||||
`CACHE`,
|
||||
];
|
||||
appCacheLines.push(assetPaths.jsLegacyBundle(), ...offlineFiles);
|
||||
const swOfflineFiles = [assetPaths.jsBundle(), ...offlineFiles];
|
||||
appCacheLines.push(...assets.allWithout(["hydrogen.js"]));
|
||||
const swOfflineFiles = assets.allWithout(["hydrogen-legacy.js", "olm_legacy.js"]);
|
||||
const appCacheManifest = appCacheLines.join("\n") + "\n";
|
||||
await fs.writeFile(path.join(targetDir, "manifest.appcache"), appCacheManifest, "utf8");
|
||||
// write service worker
|
||||
let swSource = await fs.readFile(path.join(projectDir, "src/service-worker.template.js"), "utf8");
|
||||
swSource = swSource.replace(`"%%VERSION%%"`, `"${version}"`);
|
||||
swSource = swSource.replace(`"%%OFFLINE_FILES%%"`, JSON.stringify(swOfflineFiles));
|
||||
swSource = swSource.replace(`"%%CACHE_FILES%%"`, JSON.stringify(assetPaths.otherAssets()));
|
||||
// service worker should not have a hashed name as it is polled by the browser for updates
|
||||
await fs.writeFile(path.join(targetDir, "sw.js"), swSource, "utf8");
|
||||
const manifestJson = JSON.stringify(webManifest);
|
||||
const manifestPath = resource("manifest.json", manifestJson);
|
||||
await fs.writeFile(manifestPath, manifestJson, "utf8");
|
||||
return manifestPath;
|
||||
await fs.writeFile(assets.create("manifest.json", manifestJson), manifestJson, "utf8");
|
||||
}
|
||||
|
||||
async function buildCssBundles(buildFn, themes, themeAssets) {
|
||||
async function buildCssBundles(buildFn, themes, assets) {
|
||||
const bundleCss = await buildFn(path.join(cssSrcDir, "main.css"));
|
||||
const mainDstPath = resource(`${PROJECT_ID}.css`, bundleCss);
|
||||
await fs.writeFile(mainDstPath, bundleCss, "utf8");
|
||||
const bundlePaths = {main: mainDstPath, themes: {}};
|
||||
await fs.writeFile(assets.create(`hydrogen.css`, bundleCss), bundleCss, "utf8");
|
||||
for (const theme of themes) {
|
||||
const urlBase = path.join(targetDir, `themes/${theme}/`);
|
||||
const themeRelPath = `themes/${theme}/`;
|
||||
const themeRoot = path.join(cssSrcDir, themeRelPath);
|
||||
const assetUrlMapper = ({absolutePath}) => {
|
||||
const hashedDstPath = themeAssets[absolutePath];
|
||||
if (hashedDstPath && hashedDstPath.startsWith(urlBase)) {
|
||||
return hashedDstPath.substr(urlBase.length);
|
||||
if (!absolutePath.startsWith(themeRoot)) {
|
||||
throw new Error("resource is out of theme directory: " + absolutePath);
|
||||
}
|
||||
const relPath = absolutePath.substr(themeRoot.length);
|
||||
const hashedDstPath = assets.resolve(path.join(themeRelPath, relPath));
|
||||
if (hashedDstPath) {
|
||||
return hashedDstPath.substr(themeRelPath.length);
|
||||
}
|
||||
};
|
||||
const themeCss = await buildFn(path.join(cssSrcDir, `themes/${theme}/theme.css`), assetUrlMapper);
|
||||
const themeDstPath = resource(`themes/${theme}/bundle.css`, themeCss);
|
||||
await fs.writeFile(themeDstPath, themeCss, "utf8");
|
||||
bundlePaths.themes[theme] = themeDstPath;
|
||||
const themeCss = await buildFn(path.join(themeRoot, `theme.css`), assetUrlMapper);
|
||||
await fs.writeFile(assets.create(path.join(themeRelPath, `bundle.css`), themeCss), themeCss, "utf8");
|
||||
}
|
||||
return bundlePaths;
|
||||
}
|
||||
|
||||
async function buildCss(entryPath, urlMapper = null) {
|
||||
const preCss = await fs.readFile(entryPath, "utf8");
|
||||
const options = [postcssImport];
|
||||
if (urlMapper) {
|
||||
options.push(postcssUrl({url: urlMapper}));
|
||||
}
|
||||
const cssBundler = postcss(options);
|
||||
const result = await cssBundler.process(preCss, {from: entryPath});
|
||||
return result.css;
|
||||
}
|
||||
// async function buildCss(entryPath, urlMapper = null) {
|
||||
// const preCss = await fs.readFile(entryPath, "utf8");
|
||||
// const options = [postcssImport];
|
||||
// if (urlMapper) {
|
||||
// options.push(postcssUrl({url: urlMapper}));
|
||||
// }
|
||||
// const cssBundler = postcss(options);
|
||||
// const result = await cssBundler.process(preCss, {from: entryPath});
|
||||
// return result.css;
|
||||
// }
|
||||
|
||||
async function buildCssLegacy(entryPath, urlMapper = null) {
|
||||
const preCss = await fs.readFile(entryPath, "utf8");
|
||||
|
|
@ -363,35 +314,21 @@ async function removeDirIfExists(targetDir) {
|
|||
}
|
||||
}
|
||||
|
||||
async function copyFolder(srcRoot, dstRoot, filter) {
|
||||
const assetPaths = {};
|
||||
async function copyFolder(srcRoot, dstRoot, filter, assets = null) {
|
||||
assets = assets || new AssetMap(dstRoot);
|
||||
const dirEnts = await fs.readdir(srcRoot, {withFileTypes: true});
|
||||
for (const dirEnt of dirEnts) {
|
||||
const dstPath = path.join(dstRoot, dirEnt.name);
|
||||
const srcPath = path.join(srcRoot, dirEnt.name);
|
||||
if (dirEnt.isDirectory()) {
|
||||
await fs.mkdir(dstPath);
|
||||
Object.assign(assetPaths, await copyFolder(srcPath, dstPath, filter));
|
||||
await copyFolder(srcPath, dstPath, filter, assets);
|
||||
} else if ((dirEnt.isFile() || dirEnt.isSymbolicLink()) && (!filter || filter(srcPath))) {
|
||||
const content = await fs.readFile(srcPath);
|
||||
const hashedDstPath = resource(dstPath, content);
|
||||
await fs.writeFile(hashedDstPath, content);
|
||||
assetPaths[srcPath] = hashedDstPath;
|
||||
await fs.writeFile(assets.create(dstPath, content), content);
|
||||
}
|
||||
}
|
||||
return assetPaths;
|
||||
}
|
||||
|
||||
function resource(relPath, content) {
|
||||
let fullPath = relPath;
|
||||
if (!path.isAbsolute(relPath)) {
|
||||
fullPath = path.join(targetDir, relPath);
|
||||
}
|
||||
const hash = contentHash(Buffer.from(content));
|
||||
const dir = path.dirname(fullPath);
|
||||
const extname = path.extname(fullPath);
|
||||
const basename = path.basename(fullPath, extname);
|
||||
return path.join(dir, `${basename}-${hash}${extname}`);
|
||||
return assets;
|
||||
}
|
||||
|
||||
function contentHash(str) {
|
||||
|
|
@ -400,5 +337,69 @@ function contentHash(str) {
|
|||
return hasher.digest();
|
||||
}
|
||||
|
||||
class AssetMap {
|
||||
constructor(targetDir) {
|
||||
// remove last / if any, so substr in create works well
|
||||
this._targetDir = path.resolve(targetDir);
|
||||
this._assets = new Map();
|
||||
}
|
||||
|
||||
_toRelPath(resourcePath) {
|
||||
let relPath = resourcePath;
|
||||
if (path.isAbsolute(resourcePath)) {
|
||||
if (!resourcePath.startsWith(this._targetDir)) {
|
||||
throw new Error(`absolute path ${resourcePath} that is not within target dir ${this._targetDir}`);
|
||||
}
|
||||
relPath = resourcePath.substr(this._targetDir.length + 1); // + 1 for the /
|
||||
}
|
||||
return relPath;
|
||||
}
|
||||
|
||||
create(resourcePath, content) {
|
||||
const relPath = this._toRelPath(resourcePath);
|
||||
const hash = contentHash(Buffer.from(content));
|
||||
const dir = path.dirname(relPath);
|
||||
const extname = path.extname(relPath);
|
||||
const basename = path.basename(relPath, extname);
|
||||
const dstRelPath = path.join(dir, `${basename}-${hash}${extname}`);
|
||||
this._assets.set(relPath, dstRelPath);
|
||||
return path.join(this._targetDir, dstRelPath);
|
||||
}
|
||||
|
||||
get directory() {
|
||||
return this._targetDir;
|
||||
}
|
||||
|
||||
resolve(resourcePath) {
|
||||
const relPath = this._toRelPath(resourcePath);
|
||||
const result = this._assets.get(relPath);
|
||||
if (!result) {
|
||||
throw new Error(`unknown path: ${relPath}, only know ${Array.from(this._assets.keys()).join(", ")}`);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
addSubMap(assetMap) {
|
||||
if (!assetMap.directory.startsWith(this.directory)) {
|
||||
throw new Error(`map directory doesn't start with this directory: ${assetMap.directory} ${this.directory}`);
|
||||
}
|
||||
console.log("adding submap from", assetMap.directory, this.directory);
|
||||
const relSubRoot = assetMap.directory.substr(this.directory.length + 1);
|
||||
for (const [key, value] of assetMap._assets.entries()) {
|
||||
this._assets.set(path.join(relSubRoot, key), path.join(relSubRoot, value));
|
||||
}
|
||||
}
|
||||
|
||||
all() {
|
||||
return Array.from(this._assets.values());
|
||||
}
|
||||
|
||||
allWithout(excluded) {
|
||||
excluded = excluded.map(p => this.resolve(p));
|
||||
return this.all().filter(p => excluded.indexOf(p) === -1);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
build().catch(err => console.error(err));
|
||||
|
|
|
|||
Reference in a new issue