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41f920e430
* Add a test-only transform to catch infinite loops * Only track iteration count, not time This makes the detection dramatically faster, and is okay in our case because we don't have tests that iterate so much. * Use clearer naming * Set different limits for tests * Fail tests with infinite loops even if the error was caught * Add a test
81 lines
2.4 KiB
JavaScript
81 lines
2.4 KiB
JavaScript
'use strict';
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var path = require('path');
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var babel = require('babel-core');
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var coffee = require('coffee-script');
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var tsPreprocessor = require('./typescript/preprocessor');
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var createCacheKeyFunction = require('fbjs-scripts/jest/createCacheKeyFunction');
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// Use require.resolve to be resilient to file moves, npm updates, etc
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var pathToBabel = path.join(
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require.resolve('babel-core'),
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'..',
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'package.json'
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);
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var pathToBabelPluginDevWithCode = require.resolve(
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'../error-codes/replace-invariant-error-codes'
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);
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var pathToBabelPluginAsyncToGenerator = require.resolve(
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'babel-plugin-transform-async-to-generator'
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);
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var pathToBabelrc = path.join(__dirname, '..', '..', '.babelrc');
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var pathToErrorCodes = require.resolve('../error-codes/codes.json');
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var babelOptions = {
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plugins: [
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// For Node environment only. For builds, Rollup takes care of ESM.
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require.resolve('babel-plugin-transform-es2015-modules-commonjs'),
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pathToBabelPluginDevWithCode,
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// Keep stacks detailed in tests.
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// Don't put this in .babelrc so that we don't embed filenames
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// into ReactART builds that include JSX.
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// TODO: I have not verified that this actually works.
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require.resolve('babel-plugin-transform-react-jsx-source'),
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require.resolve('../babel/transform-prevent-infinite-loops'),
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],
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retainLines: true,
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};
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module.exports = {
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process: function(src, filePath) {
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if (filePath.match(/\.coffee$/)) {
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return coffee.compile(src, {bare: true});
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}
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if (filePath.match(/\.ts$/) && !filePath.match(/\.d\.ts$/)) {
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return tsPreprocessor.compile(src, filePath);
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}
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if (!filePath.match(/\/third_party\//)) {
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// for test files, we also apply the async-await transform, but we want to
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// make sure we don't accidentally apply that transform to product code.
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var isTestFile = !!filePath.match(/\/__tests__\//);
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return babel.transform(
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src,
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Object.assign(
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{filename: path.relative(process.cwd(), filePath)},
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babelOptions,
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isTestFile
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? {
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plugins: [pathToBabelPluginAsyncToGenerator].concat(
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babelOptions.plugins
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),
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}
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: {}
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)
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).code;
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}
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return src;
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},
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getCacheKey: createCacheKeyFunction([
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__filename,
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pathToBabel,
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pathToBabelrc,
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pathToBabelPluginDevWithCode,
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pathToErrorCodes,
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]),
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};
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