angular-cn/tools/broccoli/broccoli-dest-copy.ts

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/// <reference path="../typings/node/node.d.ts" />
/// <reference path="../typings/fs-extra/fs-extra.d.ts" />
import fs = require('fs');
import fse = require('fs-extra');
import path = require('path');
import {wrapDiffingPlugin, DiffingBroccoliPlugin, DiffResult} from './diffing-broccoli-plugin';
/**
* Intercepts each file as it is copied to the destination tempdir,
* and tees a copy to the given path outside the tmp dir.
*/
class DestCopy implements DiffingBroccoliPlugin {
constructor(private inputPath, private cachePath, private outputRoot: string) {}
rebuild(treeDiff: DiffResult) {
treeDiff.changedPaths.forEach((changedFilePath) => {
var destFilePath = path.join(this.outputRoot, changedFilePath);
var destDirPath = path.dirname(destFilePath);
fse.mkdirsSync(destDirPath);
fse.copySync(path.join(this.inputPath, changedFilePath), destFilePath);
});
treeDiff.removedPaths.forEach((removedFilePath) => {
var destFilePath = path.join(this.outputRoot, removedFilePath);
// TODO: what about obsolete directories? we are not cleaning those up yet
fs.unlinkSync(destFilePath);
});
}
}
export default wrapDiffingPlugin(DestCopy);