constructorZone.run(() => {
func = function(arg: any, callback: (error: any, result: any) => any) {
expect(Zone.current.name).toEqual(constructorZone.name);
callback(null, arg);
};
boundFunc = Rx.Observable.bindNodeCallback(func);
observable = boundFunc('test');
});
import { readdir, lstat, Stats } from 'fs'
import * as path from 'path'
import { Observable } from 'rxjs/Rx'
const readdir$ = Observable.bindNodeCallback(readdir)
const stat$ = Observable.bindNodeCallback(lstat)
export interface FsObject {
name: string
path: string
stats: Stats
}
export function walk(currentDir: string, dirBlacklist?: string[]): Observable<FsObject> {
const dirBlacklistSet = new Set<string>()
if (dirBlacklist) {
dirBlacklist.forEach(name => dirBlacklistSet.add(name))
}
return walkHelper(currentDir, dirBlacklistSet)
}
function walkHelper(currentDir: string, dirBlacklist: Set<string>) {
return readdir$(currentDir)
.concatMap(names => Observable.from(names))
.concatMap(name => {
const filePath = path.join(currentDir, name)
return stat$(filePath)
.map(stats => ({ name, path: filePath, stats }))
})
.concatMap(obj =>
obj.stats.isDirectory()