in packages/babel-preset-fbjs/plugins/rewrite-modules.js [15:29]
function mapModule(state, module) {
var moduleMap = state.opts.map || {};
if (moduleMap.hasOwnProperty(module)) {
return moduleMap[module];
}
// Jest understands the haste module system, so leave modules intact.
if (process.env.NODE_ENV !== 'test') {
var modulePrefix = state.opts.prefix;
if (modulePrefix == null) {
modulePrefix = './';
}
return modulePrefix + module;
}
return null;
}