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365 lines
11 KiB
365 lines
11 KiB
const fs = require('fs')
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const gulp = require('gulp')
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const watch = require('gulp-watch')
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const source = require('vinyl-source-stream')
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const buffer = require('vinyl-buffer')
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const log = require('fancy-log')
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const { assign } = require('lodash')
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const watchify = require('watchify')
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const browserify = require('browserify')
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const envify = require('envify/custom')
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const sourcemaps = require('gulp-sourcemaps')
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const sesify = require('sesify')
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const terser = require('gulp-terser-js')
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const pify = require('pify')
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const endOfStream = pify(require('end-of-stream'))
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const { makeStringTransform } = require('browserify-transform-tools')
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const conf = require('rc')('metamask', {})
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const { createTask, composeParallel, composeSeries, runInChildProcess } = require('./task')
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const packageJSON = require('../../package.json')
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module.exports = createScriptTasks
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const dependencies = Object.keys((packageJSON && packageJSON.dependencies) || {})
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const materialUIDependencies = ['@material-ui/core']
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const reactDepenendencies = dependencies.filter((dep) => dep.match(/react/))
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const d3Dependencies = ['c3', 'd3']
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const externalDependenciesMap = {
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background: [
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'3box',
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],
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ui: [
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...materialUIDependencies, ...reactDepenendencies, ...d3Dependencies,
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],
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}
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function createScriptTasks ({ browserPlatforms, livereload }) {
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// internal tasks
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const core = {
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// dev tasks (live reload)
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dev: createTasksForBuildJsExtension({ taskPrefix: 'scripts:core:dev', devMode: true }),
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testDev: createTasksForBuildJsExtension({ taskPrefix: 'scripts:core:test-live', devMode: true, testing: true }),
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// built for CI tests
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test: createTasksForBuildJsExtension({ taskPrefix: 'scripts:core:test', testing: true }),
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// production
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prod: createTasksForBuildJsExtension({ taskPrefix: 'scripts:core:prod' }),
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}
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const deps = {
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background: createTasksForBuildJsDeps({ filename: 'bg-libs', key: 'background' }),
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ui: createTasksForBuildJsDeps({ filename: 'ui-libs', key: 'ui' }),
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}
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// high level tasks
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const prod = composeParallel(
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deps.background,
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deps.ui,
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core.prod,
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)
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const dev = core.dev
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const testDev = core.testDev
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const test = composeParallel(
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deps.background,
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deps.ui,
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core.test,
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)
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return { prod, dev, testDev, test }
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function createTasksForBuildJsDeps ({ key, filename }) {
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return createTask(`scripts:deps:${key}`, bundleTask({
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label: filename,
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filename: `${filename}.js`,
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buildLib: true,
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dependenciesToBundle: externalDependenciesMap[key],
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devMode: false,
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}))
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}
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function createTasksForBuildJsExtension ({ taskPrefix, devMode, testing }) {
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const standardBundles = [
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'background',
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'ui',
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'phishing-detect',
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]
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const standardSubtasks = standardBundles.map((filename) => {
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return createTask(`${taskPrefix}:${filename}`,
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createBundleTaskForBuildJsExtensionNormal({ filename, devMode, testing }),
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)
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})
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// inpage must be built before contentscript
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// because inpage bundle result is included inside contentscript
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const contentscriptSubtask = createTask(`${taskPrefix}:contentscript`,
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createTaskForBuildJsExtensionContentscript({ devMode, testing }),
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)
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// task for initiating livereload
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const initiateLiveReload = async () => {
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if (devMode) {
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// trigger live reload when the bundles are updated
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// this is not ideal, but overcomes the limitations:
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// - run from the main process (not child process tasks)
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// - after the first build has completed (thus the timeout)
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// - build tasks never "complete" when run with livereload + child process
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setTimeout(() => {
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watch('./dist/*/*.js', (event) => {
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livereload.changed(event.path)
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})
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}, 75e3)
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}
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}
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// make each bundle run in a separate process
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const allSubtasks = [...standardSubtasks, contentscriptSubtask].map((subtask) => runInChildProcess(subtask))
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// const allSubtasks = [...standardSubtasks, contentscriptSubtask].map(subtask => (subtask))
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// make a parent task that runs each task in a child thread
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return composeParallel(initiateLiveReload, ...allSubtasks)
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}
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function createBundleTaskForBuildJsExtensionNormal ({ filename, devMode, testing }) {
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return bundleTask({
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label: filename,
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filename: `${filename}.js`,
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filepath: `./app/scripts/${filename}.js`,
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externalDependencies: devMode ? undefined : externalDependenciesMap[filename],
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devMode,
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testing,
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})
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}
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function createTaskForBuildJsExtensionContentscript ({ devMode, testing }) {
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const inpage = 'inpage'
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const contentscript = 'contentscript'
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return composeSeries(
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bundleTask({
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label: inpage,
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filename: `${inpage}.js`,
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filepath: `./app/scripts/${inpage}.js`,
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externalDependencies: devMode ? undefined : externalDependenciesMap[inpage],
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devMode,
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testing,
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}),
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bundleTask({
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label: contentscript,
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filename: `${contentscript}.js`,
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filepath: `./app/scripts/${contentscript}.js`,
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externalDependencies: devMode ? undefined : externalDependenciesMap[contentscript],
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devMode,
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testing,
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}),
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)
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}
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function bundleTask (opts) {
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let bundler
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return performBundle
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async function performBundle () {
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// initialize bundler if not available yet
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// dont create bundler until task is actually run
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if (!bundler) {
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bundler = generateBundler(opts, performBundle)
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// output build logs to terminal
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bundler.on('log', log)
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}
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let buildStream = bundler.bundle()
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// handle errors
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buildStream.on('error', (err) => {
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beep()
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if (opts.devMode) {
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console.warn(err.stack)
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} else {
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throw err
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}
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})
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// process bundles
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buildStream = buildStream
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// convert bundle stream to gulp vinyl stream
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.pipe(source(opts.filename))
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// buffer file contents (?)
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.pipe(buffer())
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// Initialize Source Maps
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buildStream = buildStream
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// loads map from browserify file
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.pipe(sourcemaps.init({ loadMaps: true }))
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// Minification
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if (!opts.devMode) {
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buildStream = buildStream
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.pipe(terser({
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mangle: {
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reserved: [ 'MetamaskInpageProvider' ],
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},
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}))
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}
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// Finalize Source Maps
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if (opts.devMode) {
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// Use inline source maps for development due to Chrome DevTools bug
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// https://bugs.chromium.org/p/chromium/issues/detail?id=931675
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buildStream = buildStream
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.pipe(sourcemaps.write())
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} else {
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buildStream = buildStream
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.pipe(sourcemaps.write('../sourcemaps'))
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}
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// write completed bundles
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browserPlatforms.forEach((platform) => {
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const dest = `./dist/${platform}`
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buildStream = buildStream.pipe(gulp.dest(dest))
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})
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await endOfStream(buildStream)
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}
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}
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function configureBundleForSesify ({
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browserifyOpts,
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bundleName,
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}) {
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// add in sesify args for better globalRef usage detection
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Object.assign(browserifyOpts, sesify.args)
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// ensure browserify uses full paths
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browserifyOpts.fullPaths = true
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// record dependencies used in bundle
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fs.mkdirSync('./sesify', { recursive: true })
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browserifyOpts.plugin.push(['deps-dump', {
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filename: `./sesify/deps-${bundleName}.json`,
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}])
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const sesifyConfigPath = `./sesify/${bundleName}.json`
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// add sesify plugin
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browserifyOpts.plugin.push([sesify, {
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writeAutoConfig: sesifyConfigPath,
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}])
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// remove html comments that SES is alergic to
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const removeHtmlComment = makeStringTransform('remove-html-comment', { excludeExtension: ['.json'] }, (content, _, cb) => {
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const result = content.split('-->').join('-- >')
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cb(null, result)
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})
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browserifyOpts.transform.push([removeHtmlComment, { global: true }])
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}
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function generateBundler (opts, performBundle) {
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const browserifyOpts = assign({}, watchify.args, {
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plugin: [],
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transform: [],
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debug: true,
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fullPaths: opts.devMode,
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})
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const bundleName = opts.filename.split('.')[0]
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// activate sesify
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const activateAutoConfig = Boolean(process.env.SESIFY_AUTOGEN)
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// const activateSesify = activateAutoConfig
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const activateSesify = activateAutoConfig && ['background'].includes(bundleName)
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if (activateSesify) {
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configureBundleForSesify({ browserifyOpts, bundleName })
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}
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if (!activateSesify) {
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browserifyOpts.plugin.push('browserify-derequire')
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}
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if (!opts.buildLib) {
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if (opts.devMode && opts.filename === 'ui.js') {
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browserifyOpts['entries'] = ['./development/require-react-devtools.js', opts.filepath]
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} else {
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browserifyOpts['entries'] = [opts.filepath]
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}
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}
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let bundler = browserify(browserifyOpts)
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.transform('babelify')
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// Transpile any dependencies using the object spread/rest operator
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// because it is incompatible with `esprima`, which is used by `envify`
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// See https://github.com/jquery/esprima/issues/1927
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.transform('babelify', {
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only: [
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'./**/node_modules/libp2p',
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],
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global: true,
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plugins: ['@babel/plugin-proposal-object-rest-spread'],
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})
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.transform('brfs')
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if (opts.buildLib) {
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bundler = bundler.require(opts.dependenciesToBundle)
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}
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if (opts.externalDependencies) {
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bundler = bundler.external(opts.externalDependencies)
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}
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let environment
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if (opts.devMode) {
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environment = 'development'
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} else if (opts.testing) {
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environment = 'testing'
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} else if (process.env.CIRCLE_BRANCH === 'master') {
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environment = 'production'
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} else if (/^Version-v(\d+)[.](\d+)[.](\d+)/.test(process.env.CIRCLE_BRANCH)) {
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environment = 'release-candidate'
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} else if (process.env.CIRCLE_BRANCH === 'develop') {
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environment = 'staging'
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} else if (process.env.CIRCLE_PULL_REQUEST) {
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environment = 'pull-request'
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} else {
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environment = 'other'
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}
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// Inject variables into bundle
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bundler.transform(envify({
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METAMASK_DEBUG: opts.devMode,
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METAMASK_ENVIRONMENT: environment,
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NODE_ENV: opts.devMode ? 'development' : 'production',
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IN_TEST: opts.testing ? 'true' : false,
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PUBNUB_SUB_KEY: process.env.PUBNUB_SUB_KEY || '',
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PUBNUB_PUB_KEY: process.env.PUBNUB_PUB_KEY || '',
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ETH_GAS_STATION_API_KEY: process.env.ETH_GAS_STATION_API_KEY || '',
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CONF: opts.devMode ? conf : ({}),
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}), {
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global: true,
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})
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// Live reload - minimal rebundle on change
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if (opts.devMode) {
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bundler = watchify(bundler)
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// on any file update, re-runs the bundler
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bundler.on('update', () => {
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performBundle()
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})
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}
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return bundler
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}
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}
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function beep () {
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process.stdout.write('\x07')
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}
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