54 lines
2.1 KiB
TypeScript
54 lines
2.1 KiB
TypeScript
import fs = require('fs');
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import fse = require('fs-extra');
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import path = require('path');
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import {wrapDiffingPlugin, DiffingBroccoliPlugin, DiffResult} from './diffing-broccoli-plugin';
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class TSToDartTranspiler implements DiffingBroccoliPlugin {
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static includeExtensions = ['.ts'];
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private transpiler: any /*ts2dart.Transpiler*/;
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constructor(
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public inputPath: string, public cachePath: string,
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public options: any /*ts2dart.TranspilerOptions*/) {
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options.basePath = inputPath;
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options.tsconfig = path.join(inputPath, options.tsconfig);
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// Workaround for https://github.com/dart-lang/dart_style/issues/493
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var ts2dart = require('ts2dart');
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this.transpiler = new ts2dart.Transpiler(options);
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}
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rebuild(treeDiff: DiffResult) {
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let toEmit = [
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path.resolve(this.inputPath, 'angular2/manual_typings/globals.d.ts'),
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path.resolve(this.inputPath, 'angular2/typings/es6-promise/es6-promise.d.ts'),
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path.resolve(this.inputPath, 'angular2/typings/es6-collections/es6-collections.d.ts')
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];
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let getDartFilePath = (path: string) => path.replace(/((\.js)|(\.ts))$/i, '.dart');
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treeDiff.addedPaths.concat(treeDiff.changedPaths).forEach((changedPath) => {
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let inputFilePath = path.resolve(this.inputPath, changedPath);
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// Ignore files which don't need to be transpiled to Dart
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let dartInputFilePath = getDartFilePath(inputFilePath);
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if (fs.existsSync(dartInputFilePath)) return;
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// Prepare to rebuild
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toEmit.push(path.resolve(this.inputPath, changedPath));
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});
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treeDiff.removedPaths.forEach((removedPath) => {
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let absolutePath = path.resolve(this.inputPath, removedPath);
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// Ignore files which don't need to be transpiled to Dart
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let dartInputFilePath = getDartFilePath(absolutePath);
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if (fs.existsSync(dartInputFilePath)) return;
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let dartOutputFilePath = getDartFilePath(removedPath);
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fs.unlinkSync(path.join(this.cachePath, dartOutputFilePath));
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});
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this.transpiler.transpile(toEmit, this.cachePath);
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}
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}
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export default wrapDiffingPlugin(TSToDartTranspiler);
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