forked from mystiq/hydrogen-web
Merge branch 'master' into bwindels/element-theme
This commit is contained in:
Bruno Windels
commit
d5ca34c22f
3 changed files with 148 additions and 82 deletions
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@ -1,6 +1,6 @@
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# Hydrogen
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A minimal [Matrix](https://matrix.org/) chat client, focused on performance, offline functionality, and broad browser support.
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A minimal [Matrix](https://matrix.org/) chat client, focused on performance, offline functionality, and broad browser support. This is work in progress and not yet ready for primetime. We're currently not accepting any externally reported issues (features, bug reports, ...) at this time.
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## Goals
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@ -29,6 +29,7 @@
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"@rollup/plugin-multi-entry": "^3.0.1",
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"@rollup/plugin-node-resolve": "^8.4.0",
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"cheerio": "^1.0.0-rc.3",
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"commander": "^6.0.0",
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"core-js": "^3.6.5",
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"finalhandler": "^1.1.1",
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"impunity": "^0.0.11",
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@ -37,8 +38,10 @@
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"postcss-css-variables": "^0.17.0",
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"postcss-flexbugs-fixes": "^4.2.1",
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"postcss-import": "^12.0.1",
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"postcss-url": "^8.0.0",
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"regenerator-runtime": "^0.13.7",
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"rollup": "^1.15.6",
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"serve-static": "^1.13.2"
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"serve-static": "^1.13.2",
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"xxhash": "^0.3.0"
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}
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}
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@ -19,11 +19,13 @@ import cheerio from "cheerio";
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import fsRoot from "fs";
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const fs = fsRoot.promises;
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import path from "path";
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import XXHash from 'xxhash';
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import rollup from 'rollup';
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import postcss from "postcss";
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import postcssImport from "postcss-import";
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import { fileURLToPath } from 'url';
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import { dirname } from 'path';
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import commander from "commander";
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// needed for legacy bundle
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import babel from '@rollup/plugin-babel';
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// needed to find the polyfill modules in the main-legacy.js bundle
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@ -32,6 +34,8 @@ import { nodeResolve } from '@rollup/plugin-node-resolve';
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import commonjs from '@rollup/plugin-commonjs';
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// multi-entry plugin so we can add polyfill file to main
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import multi from '@rollup/plugin-multi-entry';
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// replace urls of asset names with content hashed version
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import postcssUrl from "postcss-url";
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import cssvariables from "postcss-css-variables";
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import flexbugsFixes from "postcss-flexbugs-fixes";
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@ -43,32 +47,20 @@ const PROJECT_NAME = "Hydrogen Chat";
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = dirname(__filename);
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const projectDir = path.join(__dirname, "../");
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const cssDir = path.join(projectDir, "src/ui/web/css/");
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const targetDir = path.join(projectDir, "target");
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const cssSrcDir = path.join(projectDir, "src/ui/web/css/");
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const targetDir = path.join(projectDir, "target/");
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const {debug, noOffline, legacy} = process.argv.reduce((params, param) => {
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if (param.startsWith("--")) {
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params[param.substr(2)] = true;
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}
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return params;
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}, {
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debug: false,
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noOffline: false,
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legacy: false
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});
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const program = new commander.Command();
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program
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.option("--legacy", "make a build for IE11")
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.option("--no-offline", "make a build without a service worker or appcache manifest")
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program.parse(process.argv);
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const {debug, noOffline, legacy} = program;
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const offline = !noOffline;
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async function build() {
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// get version number
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const version = JSON.parse(await fs.readFile(path.join(projectDir, "package.json"), "utf8")).version;
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// clear target dir
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await removeDirIfExists(targetDir);
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await fs.mkdir(targetDir);
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let bundleName = `${PROJECT_ID}.js`;
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if (legacy) {
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bundleName = `${PROJECT_ID}-legacy.js`;
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}
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const devHtml = await fs.readFile(path.join(projectDir, "index.html"), "utf8");
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const doc = cheerio.load(devHtml);
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@ -76,25 +68,41 @@ async function build() {
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findThemes(doc, themeName => {
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themes.push(themeName);
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});
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// clear target dir
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await removeDirIfExists(targetDir);
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await createDirs(targetDir, themes);
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// also creates the directories where the theme css bundles are placed in,
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// so do it first
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const themeAssets = await copyThemeAssets(themes, legacy);
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const jsBundlePath = await (legacy ? buildJsLegacy() : buildJs());
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const cssBundlePaths = await buildCssBundles(legacy ? buildCssLegacy : buildCss, themes, themeAssets);
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const assetPaths = createAssetPaths(jsBundlePath, cssBundlePaths, themeAssets);
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await buildHtml(doc, version, bundleName);
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if (legacy) {
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await buildJsLegacy(bundleName);
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} else {
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await buildJs(bundleName);
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}
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await buildCssBundles(legacy ? buildCssLegacy : buildCss, themes);
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let manifestPath;
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if (offline) {
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await buildOffline(version, bundleName, themeAssets);
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manifestPath = await buildOffline(version, assetPaths);
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}
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await buildHtml(doc, version, assetPaths, manifestPath);
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console.log(`built ${PROJECT_ID}${legacy ? " legacy" : ""} ${version} successfully`);
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}
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function createAssetPaths(jsBundlePath, cssBundlePaths, themeAssets) {
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function trim(path) {
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if (!path.startsWith(targetDir)) {
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throw new Error("invalid target path: " + targetDir);
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}
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return path.substr(targetDir.length);
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}
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return {
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jsBundle: () => trim(jsBundlePath),
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cssMainBundle: () => trim(cssBundlePaths.main),
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cssThemeBundle: themeName => trim(cssBundlePaths.themes[themeName]),
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cssThemeBundles: () => Object.values(cssBundlePaths.themes).map(a => trim(a)),
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otherAssets: () => Object.values(themeAssets).map(a => trim(a))
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};
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}
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async function findThemes(doc, callback) {
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doc("link[rel~=stylesheet][title]").each((i, el) => {
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const theme = doc(el);
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@ -110,37 +118,39 @@ async function findThemes(doc, callback) {
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});
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}
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async function copyThemeAssets(themes, legacy) {
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const assets = [];
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// create theme directories and copy assets
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await fs.mkdir(path.join(targetDir, "themes"));
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async function createDirs(targetDir, themes) {
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await fs.mkdir(targetDir);
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const themeDir = path.join(targetDir, "themes");
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await fs.mkdir(themeDir);
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for (const theme of themes) {
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await fs.mkdir(path.join(themeDir, theme));
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}
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}
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async function copyThemeAssets(themes, legacy) {
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const assets = {};
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for (const theme of themes) {
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assets.push(`themes/${theme}/bundle.css`);
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const themeDstFolder = path.join(targetDir, `themes/${theme}`);
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await fs.mkdir(themeDstFolder);
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const themeSrcFolder = path.join(cssDir, `themes/${theme}`);
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await copyFolder(themeSrcFolder, themeDstFolder, file => {
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const themeSrcFolder = path.join(cssSrcDir, `themes/${theme}`);
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const themeAssets = await copyFolder(themeSrcFolder, themeDstFolder, file => {
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const isUnneededFont = legacy ? file.endsWith(".woff2") : file.endsWith(".woff");
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if (!file.endsWith(".css") && !isUnneededFont) {
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assets.push(file.substr(cssDir.length));
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return true;
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}
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return false;
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return !file.endsWith(".css") && !isUnneededFont;
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});
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Object.assign(assets, themeAssets);
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}
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return assets;
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}
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async function buildHtml(doc, version, bundleName) {
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async function buildHtml(doc, version, assetPaths, manifestPath) {
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// transform html file
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// change path to main.css to css bundle
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doc("link[rel=stylesheet]:not([title])").attr("href", `${PROJECT_ID}.css`);
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doc("link[rel=stylesheet]:not([title])").attr("href", assetPaths.cssMainBundle());
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// change paths to all theme stylesheets
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findThemes(doc, (themeName, theme) => {
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theme.attr("href", `themes/${themeName}/bundle.css`);
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theme.attr("href", assetPaths.cssThemeBundle(themeName));
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});
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doc("script#main").replaceWith(
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`<script type="text/javascript" src="${bundleName}"></script>` +
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`<script type="text/javascript" src="${assetPaths.jsBundle()}"></script>` +
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`<script type="text/javascript">${PROJECT_ID}Bundle.main(document.body);</script>`);
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removeOrEnableScript(doc("script#service-worker"), offline);
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@ -152,22 +162,25 @@ async function buildHtml(doc, version, bundleName) {
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if (offline) {
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doc("html").attr("manifest", "manifest.appcache");
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doc("head").append(`<link rel="manifest" href="manifest.json">`);
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doc("head").append(`<link rel="manifest" href="${manifestPath.substr(targetDir.length)}">`);
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}
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await fs.writeFile(path.join(targetDir, "index.html"), doc.html(), "utf8");
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}
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async function buildJs(bundleName) {
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async function buildJs() {
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// create js bundle
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const bundle = await rollup.rollup({input: 'src/main.js'});
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await bundle.write({
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file: path.join(targetDir, bundleName),
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const {output} = await bundle.generate({
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format: 'iife',
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name: `${PROJECT_ID}Bundle`
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});
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const code = output[0].code;
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const bundlePath = resource(`${PROJECT_ID}.js`, code);
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await fs.writeFile(bundlePath, code, "utf8");
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return bundlePath;
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}
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async function buildJsLegacy(bundleName) {
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async function buildJsLegacy() {
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// compile down to whatever IE 11 needs
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const babelPlugin = babel.babel({
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babelHelpers: 'bundled',
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@ -189,24 +202,24 @@ async function buildJsLegacy(bundleName) {
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plugins: [multi(), commonjs(), nodeResolve(), babelPlugin]
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};
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const bundle = await rollup.rollup(rollupConfig);
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await bundle.write({
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file: path.join(targetDir, bundleName),
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const {output} = await bundle.generate({
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format: 'iife',
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name: `${PROJECT_ID}Bundle`
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});
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const code = output[0].code;
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const bundlePath = resource(`${PROJECT_ID}-legacy.js`, code);
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await fs.writeFile(bundlePath, code, "utf8");
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return bundlePath;
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}
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async function buildOffline(version, bundleName, themeAssets) {
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const {offlineAssets, cacheAssets} = themeAssets.reduce((result, asset) => {
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if (asset.endsWith(".css")) {
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result.offlineAssets.push(asset);
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} else {
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result.cacheAssets.push(asset);
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}
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return result;
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}, {offlineAssets: [], cacheAssets: []});
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async function buildOffline(version, assetPaths) {
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// write offline availability
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const offlineFiles = [bundleName, `${PROJECT_ID}.css`, "index.html", "icon-192.png"].concat(offlineAssets);
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const offlineFiles = [
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assetPaths.jsBundle(),
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assetPaths.cssMainBundle(),
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"index.html",
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"icon-192.png",
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].concat(assetPaths.cssThemeBundles());
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// write appcache manifest
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const manifestLines = [
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@ -223,7 +236,7 @@ async function buildOffline(version, bundleName, themeAssets) {
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let swSource = await fs.readFile(path.join(projectDir, "src/service-worker.template.js"), "utf8");
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swSource = swSource.replace(`"%%VERSION%%"`, `"${version}"`);
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swSource = swSource.replace(`"%%OFFLINE_FILES%%"`, JSON.stringify(offlineFiles));
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swSource = swSource.replace(`"%%CACHE_FILES%%"`, JSON.stringify(cacheAssets));
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swSource = swSource.replace(`"%%CACHE_FILES%%"`, JSON.stringify(assetPaths.otherAssets()));
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await fs.writeFile(path.join(targetDir, "sw.js"), swSource, "utf8");
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// write web manifest
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const webManifest = {
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@ -233,35 +246,61 @@ async function buildOffline(version, bundleName, themeAssets) {
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start_url: "index.html",
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icons: [{"src": "icon-192.png", "sizes": "192x192", "type": "image/png"}],
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};
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await fs.writeFile(path.join(targetDir, "manifest.json"), JSON.stringify(webManifest), "utf8");
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const manifestJson = JSON.stringify(webManifest);
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const manifestPath = resource("manifest.json", manifestJson);
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await fs.writeFile(manifestPath, manifestJson, "utf8");
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// copy icon
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// should this icon have a content hash as well?
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let icon = await fs.readFile(path.join(projectDir, "icon.png"));
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await fs.writeFile(path.join(targetDir, "icon-192.png"), icon);
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return manifestPath;
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}
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async function buildCssBundles(buildFn, themes) {
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const cssMainFile = path.join(cssDir, "main.css");
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await buildFn(cssMainFile, path.join(targetDir, `${PROJECT_ID}.css`));
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async function buildCssBundles(buildFn, themes, themeAssets) {
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const bundleCss = await buildFn(path.join(cssSrcDir, "main.css"));
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const mainDstPath = resource(`${PROJECT_ID}.css`, bundleCss);
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await fs.writeFile(mainDstPath, bundleCss, "utf8");
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const bundlePaths = {main: mainDstPath, themes: {}};
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for (const theme of themes) {
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await buildFn(
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path.join(cssDir, `themes/${theme}/theme.css`),
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path.join(targetDir, `themes/${theme}/bundle.css`)
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);
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const urlBase = path.join(targetDir, `themes/${theme}/`);
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const assetUrlMapper = ({absolutePath}) => {
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const hashedDstPath = themeAssets[absolutePath];
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if (hashedDstPath && hashedDstPath.startsWith(urlBase)) {
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return hashedDstPath.substr(urlBase.length);
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}
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};
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const themeCss = await buildFn(path.join(cssSrcDir, `themes/${theme}/theme.css`), assetUrlMapper);
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const themeDstPath = resource(`themes/${theme}/bundle.css`, themeCss);
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await fs.writeFile(themeDstPath, themeCss, "utf8");
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bundlePaths.themes[theme] = themeDstPath;
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}
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return bundlePaths;
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}
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async function buildCss(entryPath, bundlePath) {
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async function buildCss(entryPath, urlMapper = null) {
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const preCss = await fs.readFile(entryPath, "utf8");
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const cssBundler = postcss([postcssImport]);
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const options = [postcssImport];
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if (urlMapper) {
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options.push(postcssUrl({url: urlMapper}));
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}
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const cssBundler = postcss(options);
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const result = await cssBundler.process(preCss, {from: entryPath});
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await fs.writeFile(bundlePath, result.css, "utf8");
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return result.css;
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}
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async function buildCssLegacy(entryPath, bundlePath) {
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async function buildCssLegacy(entryPath, urlMapper = null) {
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const preCss = await fs.readFile(entryPath, "utf8");
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const cssBundler = postcss([postcssImport, cssvariables(), flexbugsFixes()]);
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const options = [
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postcssImport,
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cssvariables(),
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flexbugsFixes()
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];
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if (urlMapper) {
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options.push(postcssUrl({url: urlMapper}));
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}
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const cssBundler = postcss(options);
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const result = await cssBundler.process(preCss, {from: entryPath});
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await fs.writeFile(bundlePath, result.css, "utf8");
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return result.css;
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}
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function removeOrEnableScript(scriptNode, enable) {
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@ -283,17 +322,41 @@ async function removeDirIfExists(targetDir) {
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}
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async function copyFolder(srcRoot, dstRoot, filter) {
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const assetPaths = {};
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const dirEnts = await fs.readdir(srcRoot, {withFileTypes: true});
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for (const dirEnt of dirEnts) {
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const dstPath = path.join(dstRoot, dirEnt.name);
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const srcPath = path.join(srcRoot, dirEnt.name);
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if (dirEnt.isDirectory()) {
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await fs.mkdir(dstPath);
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await copyFolder(srcPath, dstPath, filter);
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Object.assign(assetPaths, await copyFolder(srcPath, dstPath, filter));
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} else if (dirEnt.isFile() && filter(srcPath)) {
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await fs.copyFile(srcPath, dstPath);
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const content = await fs.readFile(srcPath);
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const hashedDstPath = resource(dstPath, content);
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await fs.writeFile(hashedDstPath, content);
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assetPaths[srcPath] = hashedDstPath;
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}
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}
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return assetPaths;
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}
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function resource(relPath, content) {
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let fullPath = relPath;
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if (!relPath.startsWith("/")) {
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fullPath = path.join(targetDir, relPath);
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}
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const hash = contentHash(Buffer.from(content));
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const dir = path.dirname(fullPath);
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const extname = path.extname(fullPath);
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const basename = path.basename(fullPath, extname);
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return path.join(dir, `${basename}-${hash}${extname}`);
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}
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function contentHash(str) {
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var hasher = new XXHash(0);
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hasher.update(str);
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return hasher.digest();
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}
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build().catch(err => console.error(err));
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