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const async = require('async');
const {transformFile} = require('babel-core');
const _ = require('lodash');
const readdirR = require('recursive-readdir');
const pluginCJS = require('babel-plugin-transform-es2015-modules-commonjs');
const pluginModuleExports = require('babel-plugin-add-module-exports');
const pluginLodashImportRename = require('./plugin-lodash-import-rename');
const joinPath = require('path').join;
const fs = require('fs-extra');
module.exports = function(cb, options) {
options = _.defaults({}, options, {
path:'lib/',
outpath:'build',
es6: false,
lodashRename: false
});
let plugins = [];
if (options.lodashRename) {
plugins.push(pluginLodashImportRename);
}
if (!options.es6) {
plugins.push(pluginModuleExports);
plugins.push(pluginCJS);
}
readdirR(options.path, [], function(err, files) {
fs.emptyDirSync(options.outpath);
fs.emptyDirSync(joinPath(options.outpath, 'internal'));
async.each(files, (file, callback) => {
let filename = file.startsWith(options.path) ?
file.slice(options.path.length) :
file;
transformFile(file, {
babelrc: false,
plugins: plugins
}, function(err, content) {
let outpath = joinPath(options.outpath, filename);
fs.writeFile(outpath, content.code, callback);
});
}, cb);
});
}
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