mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Alex HuntandFacebook GitHub Bot
b8ee2b3503
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/48893 Updates `build-types` to support source file AST transforms, and templates out an initial `stripPrivateProperties` transform. - Also, parallelise file translation via `Promise.all`. Changelog: [Internal] Reviewed By: iwoplaza Differential Revision: D68558012 fbshipit-source-id: 6eb3881fcf30bf8f4ba045522f6569fbbad14f62
116 lines
2.8 KiB
JavaScript
116 lines
2.8 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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* @format
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* @oncall react_native
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*/
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const {PACKAGES_DIR, REPO_ROOT} = require('../consts');
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const translateSourceFile = require('./build-types/translateSourceFile');
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const chalk = require('chalk');
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const {promises: fs} = require('fs');
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const glob = require('glob');
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const micromatch = require('micromatch');
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const path = require('path');
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const {parseArgs} = require('util');
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const TYPES_DIR = 'types_generated';
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const IGNORE_PATTERN = '**/__{tests,mocks,fixtures}__/**';
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const SOURCE_PATTERNS = [
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// Start with Animated only
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path.join(PACKAGES_DIR, 'react-native/Libraries/Animated/**/*.js'),
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// TODO(T210505412): Include input packages, e.g. virtualized-lists
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];
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const config = {
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options: {
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help: {type: 'boolean'},
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},
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};
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async function main() {
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const {
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values: {help},
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} = parseArgs(config);
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if (help) {
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console.log(`
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Usage: node ./scripts/build/build-types.js
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[Experimental] Build generated TypeScript types for react-native.
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`);
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process.exitCode = 0;
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return;
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}
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const files = SOURCE_PATTERNS.flatMap(srcPath =>
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glob.sync(path.join(srcPath, ''), {
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nodir: true,
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}),
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);
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console.log(
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'\n' +
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chalk.bold.inverse.yellow(
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'EXPERIMENTAL - Building generated react-native package types',
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) +
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'\n',
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);
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await Promise.all(
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files.map(async file => {
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if (micromatch.isMatch(file, IGNORE_PATTERN)) {
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return;
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}
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const buildPath = getBuildPath(file);
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const source = await fs.readFile(file, 'utf-8');
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await fs.mkdir(path.dirname(buildPath), {recursive: true});
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try {
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const typescriptDef = await translateSourceFile(source);
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if (
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/Unsupported feature: Translating ".*" is currently not supported/.test(
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typescriptDef,
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)
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) {
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throw new Error(
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'Syntax unsupported by flow-api-translator used in ' + file,
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);
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}
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await fs.writeFile(buildPath, typescriptDef);
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} catch (e) {
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console.error(`Failed to build ${path.relative(REPO_ROOT, file)}`);
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}
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}),
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);
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}
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function getPackageName(file /*: string */) /*: string */ {
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return path.relative(PACKAGES_DIR, file).split(path.sep)[0];
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}
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function getBuildPath(file /*: string */) /*: string */ {
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const packageDir = path.join(PACKAGES_DIR, getPackageName(file));
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return path.join(
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packageDir,
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file
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.replace(packageDir, TYPES_DIR)
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.replace(/\.flow\.js$/, '.js')
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.replace(/\.js$/, '.d.ts'),
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);
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}
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if (require.main === module) {
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// eslint-disable-next-line no-void
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void main();
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}
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