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perf: build browser bundles at build-time
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| "use strict"; | ||
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| import path from "path"; | ||
| import fs from "fs"; | ||
| import ClientBridgeOriginal from "./client-bridge"; | ||
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| type BuildOpts = { calibration?: { needsCompatLib?: boolean }}; | ||
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| const bundlesCache: Record<string, string> = {}; | ||
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| export const ClientBridge = ClientBridgeOriginal; | ||
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| export const build = async (browser: WebdriverIO.Browser, opts: BuildOpts = {}) => { | ||
| const needsCompatLib = opts.calibration && opts.calibration.needsCompatLib; | ||
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| const scriptFileName = needsCompatLib ? "bundle.compat.js" : "bundle.js"; | ||
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| if (bundlesCache[scriptFileName]) { | ||
| return ClientBridge.create(browser, bundlesCache[scriptFileName]); | ||
| } | ||
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| const scriptFilePath = path.join(__dirname, "..", "client-scripts", "scripts", scriptFileName); | ||
| const bundle = await fs.promises.readFile(scriptFilePath, { encoding: "utf8" }); | ||
| bundlesCache[scriptFileName] = bundle; | ||
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| return ClientBridge.create(browser, bundle); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| const path = require("path"); | ||
| const browserify = require("browserify"); | ||
| const uglifyify = require("uglifyify"); | ||
| const aliasify = require("aliasify"); | ||
| const fs = require("fs-extra"); | ||
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| /** | ||
| * @param {object} opts | ||
| * @param {boolean} opts.needsCompatLib | ||
| * @returns {Promise<Buffer>} | ||
| */ | ||
| const bundleScript = async (opts) => { | ||
| const lib = opts.needsCompatLib ? "./lib.compat.js" : "./lib.native.js"; | ||
| const script = browserify({ | ||
| entries: "./scripts/index.js", | ||
| basedir: __dirname, | ||
| }); | ||
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| script.transform( | ||
| { | ||
| sourcemap: false, | ||
| global: true, | ||
| compress: { screw_ie8: false }, // eslint-disable-line camelcase | ||
| mangle: { screw_ie8: false }, // eslint-disable-line camelcase | ||
| output: { screw_ie8: false }, // eslint-disable-line camelcase | ||
| }, | ||
| uglifyify, | ||
| ); | ||
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| script.transform( | ||
| { | ||
| aliases: { | ||
| "./lib": { relative: lib }, | ||
| }, | ||
| verbose: false, | ||
| }, | ||
| aliasify, | ||
| ); | ||
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| return new Promise((resolve, reject) => { | ||
| script.bundle((err, buffer) => { | ||
| if (err) { | ||
| reject(err) | ||
| } | ||
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| resolve(buffer); | ||
| }); | ||
| }); | ||
| }; | ||
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| async function main() { | ||
| const targetDir = path.join("build", path.relative(process.cwd(), __dirname)); | ||
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| await fs.ensureDir(targetDir); | ||
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| await Promise.all([ | ||
| {needsCompatLib: true, fileName: "bundle.compat.js"}, | ||
| {needsCompatLib: false, fileName: "bundle.js"}, | ||
| ].map(async ({needsCompatLib, fileName}) => { | ||
| const buffer = await bundleScript({ needsCompatLib }); | ||
| const filePath = path.join(targetDir, fileName); | ||
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| await fs.writeFile(filePath, buffer); | ||
| })); | ||
| } | ||
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| module.exports = main(); |
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