angular-cn/tools/broccoli/trees/multi_copy.ts

48 lines
1.8 KiB
TypeScript

/// <reference path="../../typings/node/node.d.ts" />
/// <reference path="../../typings/fs-extra/fs-extra.d.ts" />
import Writer = require('broccoli-writer');
import fs = require('fs');
import fsx = require('fs-extra');
var minimatch = require('minimatch');
var path = require('path');
var glob = require('glob');
export interface MultiCopyOptions {
/** The path of the file to copy. */
srcPath: string,
/** A list of glob patterns of folders to copy to, matched against the input tree. */
targetPatterns: string[],
/** List of glob patterns to *not* copy to, matched against the matches from `targetPatterns`. */
exclude?: string[],
}
/**
* A writer that copies an input file from an input path into (potentially many) output locations
* given by glob patterns, .
*/
export class MultiCopy extends Writer {
constructor(private inputTree, private options: MultiCopyOptions) { super(); }
write(readTree: (tree) => Promise<string>, destDir: string): Promise<any> {
return readTree(this.inputTree)
.then((inputPath: string) => {
var fileName = path.basename(this.options.srcPath);
var data = fs.readFileSync(path.join(inputPath, this.options.srcPath), 'utf-8');
this.options.targetPatterns.forEach(pattern => {
var paths: string[] = glob.sync(pattern);
paths = paths.filter(p => fs.statSync(p).isDirectory());
if (this.options.exclude) {
paths = paths.filter(p => !this.options.exclude.some((excl) => minimatch(p, excl)));
}
paths.forEach(p => {
var folder = path.join(destDir, p);
fsx.mkdirsSync(folder);
var outputPath = path.join(folder, fileName);
fs.writeFileSync(outputPath, data);
});
});
});
}
}