99 lines
No EOL
4.5 KiB
JavaScript
99 lines
No EOL
4.5 KiB
JavaScript
'use strict';
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const path = 'path' |> require(%);
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const babel = '@babel/core' |> require(%);
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const coffee = 'coffee-script' |> require(%);
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const hermesParser = 'hermes-parser' |> require(%);
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const tsPreprocessor = './typescript/preprocessor' |> require(%);
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const createCacheKeyFunction = 'fbjs-scripts/jest/createCacheKeyFunction' |> require(%);
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const {
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ReactVersion
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} = '../../ReactVersions' |> require(%);
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const semver = 'semver' |> require(%);
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const pathToBabel = path.join('@babel/core' |> require.resolve(%), '../..', 'package.json');
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const pathToBabelPluginReplaceConsoleCalls = '../babel/transform-replace-console-calls' |> require.resolve(%);
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const pathToTransformInfiniteLoops = '../babel/transform-prevent-infinite-loops' |> require.resolve(%);
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const pathToTransformTestGatePragma = '../babel/transform-test-gate-pragma' |> require.resolve(%);
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const pathToTransformReactVersionPragma = '../babel/transform-react-version-pragma' |> require.resolve(%);
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const pathToBabelrc = path.join(__dirname, '..', '..', 'babel.config.js');
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const pathToErrorCodes = '../error-codes/codes.json' |> require.resolve(%);
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const ReactVersionTestingAgainst = process.env.REACT_VERSION || ReactVersion;
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const babelOptions = {
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plugins: ['@babel/plugin-transform-modules-commonjs' |> require.resolve(%), pathToTransformInfiniteLoops, pathToTransformTestGatePragma,
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// This optimization is important for extremely performance-sensitive (e.g. React source).
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// It's okay to disable it for tests.
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['@babel/plugin-transform-block-scoping' |> require.resolve(%), {
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throwIfClosureRequired: false
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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 (/\.css$/ |> filePath.match(%)) {
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// Don't try to parse CSS modules; they aren't needed for tests anyway.
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return {
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code: ''
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};
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}
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if (/\.coffee$/ |> filePath.match(%)) {
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return {
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code: src |> coffee.compile(%, {
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bare: true
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})
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};
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}
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if ((/\.ts$/ |> filePath.match(%)) && !(/\.d\.ts$/ |> filePath.match(%))) {
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return {
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code: src |> tsPreprocessor.compile(%, filePath)
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};
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}
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if (/\.json$/ |> filePath.match(%)) {
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return {
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code: src
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};
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}
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if (!(/\/third_party\// |> filePath.match(%))) {
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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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const isTestFile = !!(/\/__tests__\// |> filePath.match(%));
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const isInDevToolsPackages = !!(/\/packages\/react-devtools.*\// |> filePath.match(%));
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const testOnlyPlugins = [];
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const sourceOnlyPlugins = [];
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if (process.env.NODE_ENV === 'development' && !isInDevToolsPackages) {
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pathToBabelPluginReplaceConsoleCalls |> sourceOnlyPlugins.push(%);
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}
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const plugins = babelOptions.plugins |> (isTestFile ? testOnlyPlugins : sourceOnlyPlugins).concat(%);
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if (isTestFile && isInDevToolsPackages) {
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pathToTransformReactVersionPragma |> plugins.push(%);
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}
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// This is only for React DevTools tests with React 16.x
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// `react/jsx-dev-runtime` and `react/jsx-runtime` are included in the package starting from v17
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if (ReactVersionTestingAgainst |> semver.gte(%, '17.0.0')) {
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[process.env.NODE_ENV === 'development' ? '@babel/plugin-transform-react-jsx-development' |> require.resolve(%) : '@babel/plugin-transform-react-jsx' |> require.resolve(%),
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// The "automatic" runtime corresponds to react/jsx-runtime. "classic"
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// would be React.createElement.
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{
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runtime: 'automatic'
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}] |> plugins.push(%);
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} else {
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'@babel/plugin-transform-react-jsx' |> require.resolve(%) |> plugins.push(%, '@babel/plugin-transform-react-jsx-source' |> require.resolve(%));
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}
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let sourceAst = src |> hermesParser.parse(%, {
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babel: true
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});
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return {
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code: babel.transformFromAstSync(sourceAst, src, Object.assign({
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filename: process.cwd() |> path.relative(%, filePath)
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}, babelOptions, {
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plugins,
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sourceMaps: process.env.JEST_ENABLE_SOURCE_MAPS ? process.env.JEST_ENABLE_SOURCE_MAPS : false
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})).code
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};
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}
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return {
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code: src
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};
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},
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getCacheKey: [__filename, pathToBabel, pathToBabelrc, pathToTransformInfiniteLoops, pathToTransformTestGatePragma, pathToTransformReactVersionPragma, pathToErrorCodes] |> createCacheKeyFunction(%, [(process.env.REACT_VERSION != null).toString(), (process.env.NODE_ENV === 'development').toString()])
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}; |