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'use strict';

// React's test can only work in NODE_ENV=test because of how things

// are set up. So we might as well enforce it.

process.env.NODE_ENV = 'test';

var path = require('path');

var babel = require('babel-core');

var coffee = require('coffee-script');

var tsPreprocessor = require('./ts-preprocessor');

// This assumes the module map has been built. This might not be safe.

// We should consider consuming this from a built fbjs module from npm.

var moduleMap = require('fbjs/module-map');

var babelPluginModules = require('fbjs-scripts/babel-6/rewrite-modules');

var createCacheKeyFunction = require('fbjs-scripts/jest/createCacheKeyFunction');

// Use require.resolve to be resilient to file moves, npm updates, etc

var pathToBabel = path.join(

require.resolve('babel-core'),

'..',

'package.json'

);

var pathToModuleMap = require.resolve('fbjs/module-map');

var pathToBabelPluginDevWithCode = require.resolve(

'../error-codes/replace-invariant-error-codes'

);

var pathToBabelPluginModules = require.resolve(

'fbjs-scripts/babel-6/rewrite-modules'

);

var pathToBabelPluginAsyncToGenerator = require.resolve(

'babel-plugin-transform-async-to-generator'

);

var pathToBabelrc = path.join(__dirname, '..', '..', '.babelrc');

var pathToErrorCodes = require.resolve('../error-codes/codes.json');

// TODO: make sure this stays in sync with gulpfile

var babelOptions = {

plugins: [

pathToBabelPluginDevWithCode, // this pass has to run before `rewrite-modules`

[

babelPluginModules,

{

map: Object.assign({}, moduleMap, {

'object-assign': 'object-assign',

}),

// Keep stacks detailed in tests.

// Don't put this in .babelrc so that we don't embed filenames

// into ReactART builds that include JSX.

// TODO: I have not verified that this actually works.

require.resolve('babel-plugin-transform-react-jsx-source'),

retainLines: true,

};

module.exports = {

process: function(src, filePath) {

if (filePath.match(/\.coffee$/)) {

return coffee.compile(src, {bare: true});

}

if (filePath.match(/\.ts$/) && !filePath.match(/\.d\.ts$/)) {

return tsPreprocessor.compile(src, filePath);

}

if (

!filePath.match(/\/node_modules\//) &&

!filePath.match(/\/third_party\//)

) {

// for test files, we also apply the async-await transform, but we want to

// make sure we don't accidentally apply that transform to product code.

var isTestFile = !!filePath.match(/\/__tests__\//);

return babel.transform(

src,

Object.assign(

{filename: path.relative(process.cwd(), filePath)},

babelOptions,

isTestFile

? {

plugins: [pathToBabelPluginAsyncToGenerator].concat(

babelOptions.plugins

}

: {}

)

).code;

}

return src;

getCacheKey: createCacheKeyFunction([

__filename,

pathToBabel,

pathToBabelrc,

pathToModuleMap,

pathToBabelPluginDevWithCode,

pathToBabelPluginModules,

pathToErrorCodes,

]),

};

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