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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
importScripts("resource://gre/modules/osfile.jsm");
/**
* This file is meant to be loaded in a worker using:
* new ChromeWorker("chrome://devtools/content/projecteditor/lib/helpers/readdir.js");
*
* Read a local directory inside of a web woker
*
* @param {string} path
* window to inspect
* @param {RegExp|string} ignore
* A pattern to ignore certain files. This is
* called with file.name.match(ignore).
* @param {Number} maxDepth
* How many directories to recurse before stopping.
* Directories with depth > maxDepth will be ignored.
*/
function readDir(path, ignore, maxDepth = Infinity) {
let ret = {};
let set = new Set();
let info = OS.File.stat(path);
set.add({
path: path,
name: info.name,
isDir: info.isDir,
isSymLink: info.isSymLink,
depth: 0
});
for (let info of set) {
let children = [];
if (info.isDir && !info.isSymLink) {
if (info.depth > maxDepth) {
continue;
}
let iterator = new OS.File.DirectoryIterator(info.path);
try {
for (let child in iterator) {
if (ignore && child.name.match(ignore)) {
continue;
}
children.push(child.path);
set.add({
path: child.path,
name: child.name,
isDir: child.isDir,
isSymLink: child.isSymLink,
depth: info.depth + 1
});
}
} finally {
iterator.close();
}
}
ret[info.path] = {
name: info.name,
isDir: info.isDir,
isSymLink: info.isSymLink,
depth: info.depth,
children: children,
};
}
return ret;
}
onmessage = function (event) {
try {
let {path, ignore, depth} = event.data;
let message = readDir(path, ignore, depth);
postMessage(message);
} catch (ex) {
console.log(ex);
}
};
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