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69060e1da6
* Swap expect(ReactNoop) for expect(Scheduler) In the previous commits, I upgraded our custom Jest matchers for the noop and test renderers to use Scheduler under the hood. Now that all these matchers are using Scheduler, we can drop support for passing ReactNoop and test roots and always pass Scheduler directly. * Externalize Scheduler in noop and test bundles I also noticed we don't need to regenerator runtime in noop anymore.
91 lines
2.7 KiB
JavaScript
91 lines
2.7 KiB
JavaScript
'use strict';
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const forks = require('./forks');
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const bundleTypes = require('./bundles').bundleTypes;
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const UMD_DEV = bundleTypes.UMD_DEV;
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const UMD_PROD = bundleTypes.UMD_PROD;
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const UMD_PROFILING = bundleTypes.UMD_PROFILING;
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// For any external that is used in a DEV-only condition, explicitly
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// specify whether it has side effects during import or not. This lets
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// us know whether we can safely omit them when they are unused.
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const HAS_NO_SIDE_EFFECTS_ON_IMPORT = false;
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// const HAS_SIDE_EFFECTS_ON_IMPORT = true;
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const importSideEffects = Object.freeze({
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'prop-types/checkPropTypes': HAS_NO_SIDE_EFFECTS_ON_IMPORT,
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deepFreezeAndThrowOnMutationInDev: HAS_NO_SIDE_EFFECTS_ON_IMPORT,
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scheduler: HAS_NO_SIDE_EFFECTS_ON_IMPORT,
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'scheduler/tracing': HAS_NO_SIDE_EFFECTS_ON_IMPORT,
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});
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// Bundles exporting globals that other modules rely on.
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const knownGlobals = Object.freeze({
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react: 'React',
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'react-dom': 'ReactDOM',
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scheduler: 'Scheduler',
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'scheduler/tracing': 'SchedulerTracing',
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'scheduler/unstable_mock': 'SchedulerMock',
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});
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// Given ['react'] in bundle externals, returns { 'react': 'React' }.
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function getPeerGlobals(externals, bundleType) {
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const peerGlobals = {};
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externals.forEach(name => {
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if (
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!knownGlobals[name] &&
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(bundleType === UMD_DEV ||
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bundleType === UMD_PROD ||
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bundleType === UMD_PROFILING)
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) {
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throw new Error('Cannot build UMD without a global name for: ' + name);
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}
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peerGlobals[name] = knownGlobals[name];
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});
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return peerGlobals;
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}
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// Determines node_modules packages that are safe to assume will exist.
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function getDependencies(bundleType, entry) {
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// Replaces any part of the entry that follow the package name (like
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// "/server" in "react-dom/server") by the path to the package settings
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const packageJson = require(entry.replace(/(\/.*)?$/, '/package.json'));
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// Both deps and peerDeps are assumed as accessible.
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return Array.from(
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new Set([
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...Object.keys(packageJson.dependencies || {}),
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...Object.keys(packageJson.peerDependencies || {}),
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])
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);
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}
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// Hijacks some modules for optimization and integration reasons.
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function getForks(bundleType, entry, moduleType) {
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const forksForBundle = {};
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Object.keys(forks).forEach(srcModule => {
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const dependencies = getDependencies(bundleType, entry);
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const targetModule = forks[srcModule](
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bundleType,
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entry,
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dependencies,
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moduleType
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);
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if (targetModule === null) {
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return;
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}
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forksForBundle[srcModule] = targetModule;
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});
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return forksForBundle;
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}
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function getImportSideEffects() {
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return importSideEffects;
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}
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module.exports = {
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getImportSideEffects,
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getPeerGlobals,
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getDependencies,
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getForks,
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};
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