A Metamask fork with Infura removed and default networks editable
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ciphermask/development/build/scripts.js

488 lines
14 KiB

const EventEmitter = require('events');
const gulp = require('gulp');
const watch = require('gulp-watch');
const source = require('vinyl-source-stream');
const buffer = require('vinyl-buffer');
const log = require('fancy-log');
const watchify = require('watchify');
const browserify = require('browserify');
const envify = require('loose-envify/custom');
const sourcemaps = require('gulp-sourcemaps');
const terser = require('gulp-terser-js');
const babelify = require('babelify');
const brfs = require('brfs');
const pify = require('pify');
const endOfStream = pify(require('end-of-stream'));
const labeledStreamSplicer = require('labeled-stream-splicer').obj;
const metamaskrc = require('rc')('metamask', {
INFURA_PROJECT_ID: process.env.INFURA_PROJECT_ID,
SEGMENT_HOST: process.env.SEGMENT_HOST,
SEGMENT_WRITE_KEY: process.env.SEGMENT_WRITE_KEY,
SEGMENT_LEGACY_WRITE_KEY: process.env.SEGMENT_LEGACY_WRITE_KEY,
SENTRY_DSN_DEV:
process.env.SENTRY_DSN_DEV ||
'https://f59f3dd640d2429d9d0e2445a87ea8e1@sentry.io/273496',
});
const { version } = require('../../package.json');
const packageJSON = require('../../package.json');
const {
createTask,
composeParallel,
composeSeries,
runInChildProcess,
} = require('./task');
module.exports = createScriptTasks;
const dependencies = Object.keys(
(packageJSON && packageJSON.dependencies) || {},
);
const materialUIDependencies = ['@material-ui/core'];
const reactDepenendencies = dependencies.filter((dep) => dep.match(/react/u));
const externalDependenciesMap = {
background: ['3box', '@ethereumjs/common', 'unicode-confusables'],
ui: [...materialUIDependencies, ...reactDepenendencies],
};
function createScriptTasks({ browserPlatforms, livereload }) {
// internal tasks
const core = {
// dev tasks (live reload)
dev: createTasksForBuildJsExtension({
taskPrefix: 'scripts:core:dev',
devMode: true,
}),
testDev: createTasksForBuildJsExtension({
taskPrefix: 'scripts:core:test-live',
devMode: true,
testing: true,
}),
// built for CI tests
test: createTasksForBuildJsExtension({
taskPrefix: 'scripts:core:test',
testing: true,
}),
// production
prod: createTasksForBuildJsExtension({ taskPrefix: 'scripts:core:prod' }),
};
const deps = {
background: createTasksForBuildJsDeps({
label: 'bg-libs',
key: 'background',
}),
ui: createTasksForBuildJsDeps({ label: 'ui-libs', key: 'ui' }),
};
// high level tasks
const prod = composeParallel(deps.background, deps.ui, core.prod);
const { dev, testDev } = core;
const test = composeParallel(deps.background, deps.ui, core.test);
return { prod, dev, testDev, test };
function createTasksForBuildJsDeps({ key, label }) {
return createTask(
`scripts:deps:${key}`,
createNormalBundle({
label,
destFilepath: `${label}.js`,
modulesToExpose: externalDependenciesMap[key],
devMode: false,
browserPlatforms,
}),
);
}
function createTasksForBuildJsExtension({ taskPrefix, devMode, testing }) {
const standardBundles = [
'background',
'ui',
'phishing-detect',
'initSentry',
];
const standardSubtasks = standardBundles.map((label) => {
let extraEntries;
if (devMode && label === 'ui') {
extraEntries = ['./development/require-react-devtools.js'];
}
return createTask(
`${taskPrefix}:${label}`,
createBundleTaskForBuildJsExtensionNormal({
label,
devMode,
testing,
extraEntries,
}),
);
});
// inpage must be built before contentscript
// because inpage bundle result is included inside contentscript
const contentscriptSubtask = createTask(
`${taskPrefix}:contentscript`,
createTaskForBuildJsExtensionContentscript({ devMode, testing }),
);
// this can run whenever
const disableConsoleSubtask = createTask(
`${taskPrefix}:disable-console`,
createTaskForBuildJsExtensionDisableConsole({ devMode }),
);
// task for initiating browser livereload
const initiateLiveReload = async () => {
if (devMode) {
// trigger live reload when the bundles are updated
// this is not ideal, but overcomes the limitations:
// - run from the main process (not child process tasks)
// - after the first build has completed (thus the timeout)
// - build tasks never "complete" when run with livereload + child process
setTimeout(() => {
watch('./dist/*/*.js', (event) => {
livereload.changed(event.path);
});
}, 75e3);
}
};
// make each bundle run in a separate process
const allSubtasks = [
...standardSubtasks,
contentscriptSubtask,
disableConsoleSubtask,
].map((subtask) => runInChildProcess(subtask));
// const allSubtasks = [...standardSubtasks, contentscriptSubtask].map(subtask => (subtask))
// make a parent task that runs each task in a child thread
return composeParallel(initiateLiveReload, ...allSubtasks);
}
function createBundleTaskForBuildJsExtensionNormal({
label,
devMode,
testing,
extraEntries,
}) {
return createNormalBundle({
label,
entryFilepath: `./app/scripts/${label}.js`,
destFilepath: `${label}.js`,
extraEntries,
externalDependencies: devMode
? undefined
: externalDependenciesMap[label],
devMode,
testing,
browserPlatforms,
});
}
function createTaskForBuildJsExtensionDisableConsole({ devMode }) {
const label = 'disable-console';
return createNormalBundle({
label,
entryFilepath: `./app/scripts/${label}.js`,
destFilepath: `${label}.js`,
devMode,
browserPlatforms,
});
}
function createTaskForBuildJsExtensionContentscript({ devMode, testing }) {
const inpage = 'inpage';
const contentscript = 'contentscript';
return composeSeries(
createNormalBundle({
label: inpage,
entryFilepath: `./app/scripts/${inpage}.js`,
destFilepath: `${inpage}.js`,
externalDependencies: devMode
? undefined
: externalDependenciesMap[inpage],
devMode,
testing,
browserPlatforms,
}),
createNormalBundle({
label: contentscript,
entryFilepath: `./app/scripts/${contentscript}.js`,
destFilepath: `${contentscript}.js`,
externalDependencies: devMode
? undefined
: externalDependenciesMap[contentscript],
devMode,
testing,
browserPlatforms,
}),
);
}
}
function createNormalBundle({
destFilepath,
entryFilepath,
extraEntries = [],
modulesToExpose,
externalDependencies,
devMode,
testing,
browserPlatforms,
}) {
return async function () {
// create bundler setup and apply defaults
const buildConfiguration = createBuildConfiguration();
const { bundlerOpts, events } = buildConfiguration;
const envVars = getEnvironmentVariables({ devMode, testing });
setupBundlerDefaults(buildConfiguration, {
devMode,
envVars,
});
// set bundle entries
bundlerOpts.entries = [...extraEntries];
if (entryFilepath) {
bundlerOpts.entries.push(entryFilepath);
}
if (modulesToExpose) {
bundlerOpts.require = bundlerOpts.require.concat(modulesToExpose);
}
if (externalDependencies) {
// there doesnt seem to be a standard bify option for this
// so we'll put it here but manually call it after bundle
bundlerOpts.manualExternal = bundlerOpts.manualExternal.concat(
externalDependencies,
);
}
// instrument pipeline
events.on('configurePipeline', ({ pipeline }) => {
// convert bundle stream to gulp vinyl stream
// and ensure file contents are buffered
pipeline.get('vinyl').push(source(destFilepath));
pipeline.get('vinyl').push(buffer());
// setup bundle destination
browserPlatforms.forEach((platform) => {
const dest = `./dist/${platform}/`;
pipeline.get('dest').push(gulp.dest(dest));
});
});
await bundleIt(buildConfiguration);
};
}
function createBuildConfiguration() {
const events = new EventEmitter();
const bundlerOpts = {
entries: [],
transform: [],
plugin: [],
require: [],
// not a standard bify option
manualExternal: [],
};
return { bundlerOpts, events };
}
function setupBundlerDefaults(buildConfiguration, { devMode, envVars }) {
const { bundlerOpts } = buildConfiguration;
// devMode options
const reloadOnChange = Boolean(devMode);
const minify = Boolean(devMode) === false;
Object.assign(bundlerOpts, {
// source transforms
transform: [
// transpile top-level code
babelify,
// inline `fs.readFileSync` files
brfs,
],
// use entryFilepath for moduleIds, easier to determine origin file
fullPaths: devMode,
// for sourcemaps
debug: true,
});
// inject environment variables via node-style `process.env`
if (envVars) {
bundlerOpts.transform.push([envify(envVars), { global: true }]);
}
// setup reload on change
if (reloadOnChange) {
setupReloadOnChange(buildConfiguration);
}
if (minify) {
setupMinification(buildConfiguration);
}
// setup source maps
setupSourcemaps(buildConfiguration, { devMode });
}
function setupReloadOnChange({ bundlerOpts, events }) {
// add plugin to options
Object.assign(bundlerOpts, {
plugin: [...bundlerOpts.plugin, watchify],
// required by watchify
cache: {},
packageCache: {},
});
// instrument pipeline
events.on('configurePipeline', ({ bundleStream }) => {
// handle build error to avoid breaking build process
// (eg on syntax error)
bundleStream.on('error', (err) => {
gracefulError(err);
});
});
}
function setupMinification(buildConfiguration) {
const { events } = buildConfiguration;
events.on('configurePipeline', ({ pipeline }) => {
pipeline.get('minify').push(
terser({
mangle: {
reserved: ['MetamaskInpageProvider'],
},
sourceMap: {
content: true,
},
}),
);
});
}
function setupSourcemaps(buildConfiguration, { devMode }) {
const { events } = buildConfiguration;
events.on('configurePipeline', ({ pipeline }) => {
pipeline.get('sourcemaps:init').push(sourcemaps.init({ loadMaps: true }));
pipeline
.get('sourcemaps:write')
// Use inline source maps for development due to Chrome DevTools bug
// https://bugs.chromium.org/p/chromium/issues/detail?id=931675
.push(
devMode
? sourcemaps.write()
: sourcemaps.write('../sourcemaps', { addComment: false }),
);
});
}
async function bundleIt(buildConfiguration) {
const { bundlerOpts, events } = buildConfiguration;
const bundler = browserify(bundlerOpts);
// manually apply non-standard option
bundler.external(bundlerOpts.manualExternal);
// output build logs to terminal
bundler.on('log', log);
// forward update event (used by watchify)
bundler.on('update', () => performBundle());
await performBundle();
async function performBundle() {
// this pipeline is created for every bundle
// the labels are all the steps you can hook into
const pipeline = labeledStreamSplicer([
'vinyl',
[],
'sourcemaps:init',
[],
'minify',
[],
'sourcemaps:write',
[],
'dest',
[],
]);
const bundleStream = bundler.bundle();
// trigger build pipeline instrumentations
events.emit('configurePipeline', { pipeline, bundleStream });
// start bundle, send into pipeline
bundleStream.pipe(pipeline);
// nothing will consume pipeline, so let it flow
pipeline.resume();
await endOfStream(pipeline);
}
}
function getEnvironmentVariables({ devMode, testing }) {
const environment = getEnvironment({ devMode, testing });
if (environment === 'production' && !process.env.SENTRY_DSN) {
throw new Error('Missing SENTRY_DSN environment variable');
}
return {
METAMASK_DEBUG: devMode,
METAMASK_ENVIRONMENT: environment,
METAMASK_VERSION: version,
NODE_ENV: devMode ? 'development' : 'production',
IN_TEST: testing ? 'true' : false,
PUBNUB_SUB_KEY: process.env.PUBNUB_SUB_KEY || '',
PUBNUB_PUB_KEY: process.env.PUBNUB_PUB_KEY || '',
CONF: devMode ? metamaskrc : {},
SHOW_EIP_1559_UI:
process.env.SHOW_EIP_1559_UI === '1' ||
metamaskrc.SHOW_EIP_1559_UI === '1',
SENTRY_DSN: process.env.SENTRY_DSN,
SENTRY_DSN_DEV: metamaskrc.SENTRY_DSN_DEV,
INFURA_PROJECT_ID: testing
? '00000000000000000000000000000000'
: metamaskrc.INFURA_PROJECT_ID,
SEGMENT_HOST: metamaskrc.SEGMENT_HOST,
// When we're in the 'production' environment we will use a specific key only set in CI
// Otherwise we'll use the key from .metamaskrc or from the environment variable. If
// the value of SEGMENT_WRITE_KEY that we envify is undefined then no events will be tracked
// in the build. This is intentional so that developers can contribute to MetaMask without
// inflating event volume.
SEGMENT_WRITE_KEY:
environment === 'production'
? process.env.SEGMENT_PROD_WRITE_KEY
: metamaskrc.SEGMENT_WRITE_KEY,
SEGMENT_LEGACY_WRITE_KEY:
environment === 'production'
? process.env.SEGMENT_PROD_LEGACY_WRITE_KEY
: metamaskrc.SEGMENT_LEGACY_WRITE_KEY,
};
}
function getEnvironment({ devMode, testing }) {
// get environment slug
if (devMode) {
return 'development';
} else if (testing) {
return 'testing';
} else if (process.env.CIRCLE_BRANCH === 'master') {
return 'production';
} else if (
/^Version-v(\d+)[.](\d+)[.](\d+)/u.test(process.env.CIRCLE_BRANCH)
) {
return 'release-candidate';
} else if (process.env.CIRCLE_BRANCH === 'develop') {
return 'staging';
} else if (process.env.CIRCLE_PULL_REQUEST) {
return 'pull-request';
}
return 'other';
}
function beep() {
process.stdout.write('\x07');
}
function gracefulError(err) {
console.warn(err);
beep();
}