angular-cn/tools/broccoli/traceur/index.js

50 lines
2.1 KiB
JavaScript

var __extends = this.__extends || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
__.prototype = b.prototype;
d.prototype = new __();
};
var fs = require('fs');
var fse = require('fs-extra');
var path = require('path');
var traceur = require('../../transpiler');
var walkSync = require('walk-sync');
var Writer = require('broccoli-writer');
var xtend = require('xtend');
var TraceurFilter = (function (_super) {
__extends(TraceurFilter, _super);
function TraceurFilter(inputTree, options) {
if (options === void 0) { options = {}; }
this.inputTree = inputTree;
this.options = options;
}
TraceurFilter.prototype.write = function (readTree, destDir) {
var _this = this;
return readTree(this.inputTree).then(function (srcDir) {
walkSync(srcDir).filter(function (filepath) {
var extension = path.extname(filepath).toLowerCase();
return extension === '.js' || extension === '.es6';
}).map(function (filepath) {
var options = xtend({
filename: filepath
}, _this.options);
var fsOpts = {
encoding: 'utf-8'
};
var sourcecode = fs.readFileSync(path.join(srcDir, filepath), fsOpts);
var result = traceur.compile(options, filepath, sourcecode);
result.js = result.js + '\n//# sourceMappingURL=./' + path.basename(filepath).replace(/\.\w+$/, '.map');
var destFilepath = filepath.replace(/\.\w+$/, '.es6');
var destFile = path.join(destDir, destFilepath);
fse.mkdirsSync(path.dirname(destFile));
var destMap = path.join(destDir, filepath + '.map');
fs.writeFileSync(destFile, result.js, fsOpts);
result.sourceMap.file = destFilepath;
fs.writeFileSync(destMap, JSON.stringify(result.sourceMap), fsOpts);
});
});
};
return TraceurFilter;
})(Writer);
module.exports = TraceurFilter;
//# sourceMappingURL=index.js.map