55 lines
2.5 KiB
JavaScript
55 lines
2.5 KiB
JavaScript
var __extends = this.__extends || function (d, b) {
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for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
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function __() { this.constructor = d; }
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__.prototype = b.prototype;
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d.prototype = new __();
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};
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var fs = require('fs');
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var fse = require('fs-extra');
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var path = require('path');
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var traceur = require('../../transpiler');
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var walkSync = require('walk-sync');
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var Writer = require('broccoli-writer');
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var xtend = require('xtend');
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var TraceurFilter = (function (_super) {
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__extends(TraceurFilter, _super);
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function TraceurFilter(inputTree, destExtension, options) {
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if (destExtension === void 0) { destExtension = '.js'; }
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if (options === void 0) { options = {}; }
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this.inputTree = inputTree;
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this.destExtension = destExtension;
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this.options = options;
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}
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TraceurFilter.prototype.write = function (readTree, destDir) {
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var _this = this;
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return readTree(this.inputTree).then(function (srcDir) {
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walkSync(srcDir).filter(function (filepath) {
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var extension = path.extname(filepath).toLowerCase();
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return extension === '.js' || extension === '.es6';
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}).map(function (filepath) {
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var options = xtend({
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filename: filepath
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}, _this.options);
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var fsOpts = {
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encoding: 'utf-8'
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};
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var sourcecode = fs.readFileSync(path.join(srcDir, filepath), fsOpts);
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var result = traceur.compile(options, filepath, sourcecode);
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// TODO: we should fix the sourceMappingURL written by Traceur instead of overriding
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// (but we might switch to typescript first)
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result.js = result.js + '\n//# sourceMappingURL=./' + path.basename(filepath).replace(/\.es6$/, '') + (_this.destExtension === '.js' ? '.js.map' : '.map');
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var destFilepath = filepath.replace(/\.\w+$/, _this.destExtension);
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var destFile = path.join(destDir, destFilepath);
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fse.mkdirsSync(path.dirname(destFile));
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var destMap = path.join(destDir, filepath + '.map');
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fs.writeFileSync(destFile, result.js, fsOpts);
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result.sourceMap.file = destFilepath;
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fs.writeFileSync(destMap, JSON.stringify(result.sourceMap), fsOpts);
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});
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});
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};
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TraceurFilter.RUNTIME_PATH = traceur.RUNTIME_PATH;
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return TraceurFilter;
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})(Writer);
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module.exports = TraceurFilter;
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//# sourceMappingURL=index.js.map
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