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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(options, cb) {
options = _.defaults({}, options, {
path: 'lib/',
outpath: 'build',
es6: false,
lodashRename: false
});
const plugins = [];
const { path, outpath } = options;
if (options.lodashRename) {
plugins.push(pluginLodashImportRename);
}
if (!options.es6) {
plugins.push(pluginModuleExports);
plugins.push(pluginCJS);
}
readdirR(path, [], (err, files) => {
fs.emptyDirSync(outpath);
fs.emptyDirSync(joinPath(outpath, 'internal'));
async.each(files, (file, callback) => {
transformFile(file, {
babelrc: false,
plugins: plugins
}, (err, content) => {
if (err) { return callback(err); }
const outfile = file.startsWith(path) ?
file.slice(path.length) :
file;
const finalPath = joinPath(outpath, outfile);
fs.writeFile(finalPath, content.code, callback);
});
}, cb);
});
}
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