react/scripts/jest/preprocessor.js
Sebastian Markbage 41cba2e77b Enforce NODE_ENV=test
You could make the argument that this should be optional, but it doesn't
work without it so we might as well just enforce it.

Makes `jest` work by default.
2015-09-30 17:43:06 -07:00

85 lines
2.5 KiB
JavaScript

'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 assign = require('object-assign');
var babel = require('babel');
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 babelPluginDEV = require('fbjs-scripts/babel/dev-expression');
var babelPluginModules = require('fbjs-scripts/babel/rewrite-modules');
var createCacheKeyFunction = require('fbjs-scripts/jest/createCacheKeyFunction');
// Use require.resolve to be resiliant to file moves, npm updates, etc
var pathToBabel = path.join(require.resolve('babel'), '..', 'package.json');
var pathToModuleMap = require.resolve('fbjs/module-map');
var pathToBabelPluginDev = require.resolve('fbjs-scripts/babel/dev-expression');
var pathToBabelPluginModules = require.resolve('fbjs-scripts/babel/rewrite-modules');
// TODO: make sure this stays in sync with gulpfile
var babelOptions = {
nonStandard: true,
blacklist: [
'spec.functionName',
'validation.react',
],
optional: [
'es7.trailingFunctionCommas',
],
plugins: [babelPluginDEV, babelPluginModules],
retainLines: true,
_moduleMap: moduleMap,
};
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\//)
) {
var rv =
babel.transform(src, assign({filename: filePath}, babelOptions)).code;
// hax to turn fbjs/lib/foo into /path/to/node_modules/fbjs/lib/foo
// because jest is slooow with node_modules paths (facebook/jest#465)
rv = rv.replace(
/require\('(fbjs\/lib\/.+)'\)/g,
function(call, arg) {
return (
'require(' +
JSON.stringify(
path.join(__dirname, '../../node_modules', arg)
) +
')'
);
}
);
return rv;
}
return src;
},
getCacheKey: createCacheKeyFunction([
__filename,
pathToBabel,
pathToModuleMap,
pathToBabelPluginDev,
pathToBabelPluginModules,
]),
};