Compare commits
No commits in common. "master" and "pre-prototype" have entirely different histories.
master
...
pre-protot
|
|
@ -1,2 +0,0 @@
|
|||
node_modules
|
||||
walk-test
|
||||
14
.jshintrc
14
.jshintrc
|
|
@ -1,14 +0,0 @@
|
|||
{ "node": true
|
||||
, "browser": true
|
||||
, "jquery": true
|
||||
|
||||
, "onevar": true
|
||||
, "laxcomma": true
|
||||
, "laxbreak": true
|
||||
|
||||
, "eqeqeq": true
|
||||
, "immed": true
|
||||
, "undef": true
|
||||
, "unused": true
|
||||
, "latedef": true
|
||||
}
|
||||
41
LICENSE
41
LICENSE
|
|
@ -1,41 +0,0 @@
|
|||
Copyright 2011 AJ ONeal
|
||||
|
||||
This is open source software; you can redistribute it and/or modify it under the
|
||||
terms of either:
|
||||
|
||||
a) the "MIT License"
|
||||
b) the "Apache-2.0 License"
|
||||
|
||||
MIT License
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
||||
|
||||
Apache-2.0 License Summary
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
|
@ -0,0 +1,202 @@
|
|||
|
||||
Apache License
|
||||
Version 2.0, January 2004
|
||||
http://www.apache.org/licenses/
|
||||
|
||||
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||
|
||||
1. Definitions.
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||||
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END OF TERMS AND CONDITIONS
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APPENDIX: How to apply the Apache License to your work.
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To apply the Apache License to your work, attach the following
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Copyright 2011 AJ ONeal
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|
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
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See the License for the specific language governing permissions and
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|
@ -0,0 +1,9 @@
|
|||
MIT LICENSE
|
||||
|
||||
Copyright (c) 2011 AJ ONeal
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
323
README.md
323
README.md
|
|
@ -1,272 +1,134 @@
|
|||
# 2021 Update
|
||||
|
||||
Consider using [`@root/walk`](https://npmjs.org/package/@root/walk) instead.
|
||||
|
||||
I created `walk` quite literally a decade ago, in the Node v0.x days.
|
||||
Back then using an EventEmitter seemed like the thing to do. Nowadays,
|
||||
it seems a bit overkill for the simple task of walking over directories.
|
||||
|
||||
There's nothing wrong with `walk` - it's about the same as it was 10 years ago -
|
||||
however, at only 50 lines of code long, `@root/walk` is much simpler and much faster.
|
||||
|
||||
# node-walk
|
||||
|
||||
| a [Root](https://rootprojects.org) project
|
||||
node-walk
|
||||
====
|
||||
|
||||
nodejs walk implementation.
|
||||
|
||||
This is somewhat of a port python's `os.walk`, but using Node.JS conventions.
|
||||
|
||||
- EventEmitter
|
||||
- Asynchronous
|
||||
- Chronological (optionally)
|
||||
- Built-in flow-control
|
||||
- includes Synchronous version (same API as Asynchronous)
|
||||
* EventEmitter
|
||||
* Asynchronous
|
||||
* Chronological (optionally)
|
||||
* Built-in flow-control
|
||||
* includes Synchronous version (same API as Asynchronous)
|
||||
|
||||
As few file descriptors are opened at a time as possible.
|
||||
This is particularly well suited for single hard disks which are not flash or solid state.
|
||||
|
||||
## Installation
|
||||
Installation
|
||||
----
|
||||
|
||||
```bash
|
||||
npm install --save walk
|
||||
```
|
||||
npm install walk
|
||||
|
||||
# Getting Started
|
||||
|
||||
```javascript
|
||||
'use strict';
|
||||
|
||||
var walk = require('walk');
|
||||
var fs = require('fs');
|
||||
var walker;
|
||||
var options = {};
|
||||
|
||||
walker = walk.walk('/tmp', options);
|
||||
|
||||
walker.on('file', function (root, fileStats, next) {
|
||||
fs.readFile(fileStats.name, function () {
|
||||
// doStuff
|
||||
next();
|
||||
});
|
||||
});
|
||||
|
||||
walker.on('errors', function (root, nodeStatsArray, next) {
|
||||
next();
|
||||
});
|
||||
|
||||
walker.on('end', function () {
|
||||
console.log('all done');
|
||||
});
|
||||
```
|
||||
|
||||
## Common Events
|
||||
|
||||
All single event callbacks are in the form of `function (root, stat, next) {}`.
|
||||
|
||||
All multiple event callbacks callbacks are in the form of `function (root, stats, next) {}`, except **names** which is an array of strings.
|
||||
|
||||
All **error** event callbacks are in the form `function (root, stat/stats, next) {}`.
|
||||
**`stat.error`** contains the error.
|
||||
|
||||
- `names`
|
||||
- `directory`
|
||||
- `directories`
|
||||
- `file`
|
||||
- `files`
|
||||
- `end`
|
||||
- `nodeError` (`stat` failed)
|
||||
- `directoryError` (`stat` succedded, but `readdir` failed)
|
||||
- `errors` (a collection of any errors encountered)
|
||||
|
||||
A typical `stat` event looks like this:
|
||||
|
||||
```javascript
|
||||
{ dev: 16777223,
|
||||
mode: 33188,
|
||||
nlink: 1,
|
||||
uid: 501,
|
||||
gid: 20,
|
||||
rdev: 0,
|
||||
blksize: 4096,
|
||||
ino: 49868100,
|
||||
size: 5617,
|
||||
blocks: 16,
|
||||
atime: Mon Jan 05 2015 18:18:10 GMT-0700 (MST),
|
||||
mtime: Thu Sep 25 2014 21:21:28 GMT-0600 (MDT),
|
||||
ctime: Thu Sep 25 2014 21:21:28 GMT-0600 (MDT),
|
||||
birthtime: Thu Sep 25 2014 21:21:28 GMT-0600 (MDT),
|
||||
name: 'README.md',
|
||||
type: 'file' }
|
||||
```
|
||||
|
||||
# Advanced Example
|
||||
Usage
|
||||
====
|
||||
|
||||
Both Asynchronous and Synchronous versions are provided.
|
||||
|
||||
```javascript
|
||||
'use strict';
|
||||
The Synchronous version still uses callbacks, so it is safe to use with other Asynchronous functions and will still work as expected.
|
||||
|
||||
var walk = require('walk');
|
||||
var fs = require('fs');
|
||||
var options;
|
||||
var walker;
|
||||
var walk = require('walk'),
|
||||
fs = require('fs'),
|
||||
options,
|
||||
walker;
|
||||
|
||||
options = {
|
||||
followLinks: false,
|
||||
// directories with these keys will be skipped
|
||||
filters: ['Temp', '_Temp'],
|
||||
};
|
||||
options = {
|
||||
followLinks: false,
|
||||
};
|
||||
|
||||
walker = walk.walk('/tmp', options);
|
||||
walker = walk.walk("/tmp", options);
|
||||
|
||||
// OR
|
||||
// walker = walk.walkSync("/tmp", options);
|
||||
// OR
|
||||
// walker = walk.walkSync("/tmp", options);
|
||||
|
||||
walker.on('names', function (root, nodeNamesArray) {
|
||||
nodeNamesArray.sort(function (a, b) {
|
||||
if (a > b) return 1;
|
||||
if (a < b) return -1;
|
||||
return 0;
|
||||
});
|
||||
});
|
||||
walker.on("names", function (root, nodeNamesArray) {
|
||||
nodeNames.sort(function (a, b) {
|
||||
if (a > b) return 1;
|
||||
if (a < b) return -1;
|
||||
return 0;
|
||||
});
|
||||
});
|
||||
|
||||
walker.on('directories', function (root, dirStatsArray, next) {
|
||||
// dirStatsArray is an array of `stat` objects with the additional attributes
|
||||
// * type
|
||||
// * error
|
||||
// * name
|
||||
|
||||
next();
|
||||
});
|
||||
|
||||
walker.on('file', function (root, fileStats, next) {
|
||||
fs.readFile(fileStats.name, function () {
|
||||
// doStuff
|
||||
next();
|
||||
});
|
||||
});
|
||||
|
||||
walker.on('errors', function (root, nodeStatsArray, next) {
|
||||
next();
|
||||
});
|
||||
|
||||
walker.on('end', function () {
|
||||
console.log('all done');
|
||||
});
|
||||
```
|
||||
|
||||
### Sync
|
||||
|
||||
Note: You **can't use EventEmitter** if you want truly synchronous walker
|
||||
(although it's synchronous under the hood, it appears not to be due to the use of `process.nextTick()`).
|
||||
|
||||
Instead **you must use `options.listeners`** for truly synchronous walker.
|
||||
|
||||
Although the sync version uses all of the `fs.readSync`, `fs.readdirSync`, and other sync methods,
|
||||
I don't think I can prevent the `process.nextTick()` that `EventEmitter` calls.
|
||||
|
||||
```javascript
|
||||
(function () {
|
||||
'use strict';
|
||||
|
||||
var walk = require('walk');
|
||||
var fs = require('fs');
|
||||
var options;
|
||||
var walker;
|
||||
|
||||
// To be truly synchronous in the emitter and maintain a compatible api,
|
||||
// the listeners must be listed before the object is created
|
||||
options = {
|
||||
listeners: {
|
||||
names: function (root, nodeNamesArray) {
|
||||
nodeNamesArray.sort(function (a, b) {
|
||||
if (a > b) return 1;
|
||||
if (a < b) return -1;
|
||||
return 0;
|
||||
});
|
||||
},
|
||||
directories: function (root, dirStatsArray, next) {
|
||||
// dirStatsArray is an array of `stat` objects with the additional attributes
|
||||
// * type
|
||||
// * error
|
||||
// * name
|
||||
walker.on("directories", function (root, dirStatsArray, next) {
|
||||
// dirStatsArray is an array of `stat` objects with the additional attributes
|
||||
// * type
|
||||
// * error
|
||||
// * name
|
||||
|
||||
next();
|
||||
});
|
||||
|
||||
walker.on("file", function (root, fileStats, next) {
|
||||
fs.readFile(fileStats.name, function () {
|
||||
// doStuff
|
||||
next();
|
||||
},
|
||||
file: function (root, fileStats, next) {
|
||||
fs.readFile(fileStats.name, function () {
|
||||
// doStuff
|
||||
next();
|
||||
});
|
||||
},
|
||||
errors: function (root, nodeStatsArray, next) {
|
||||
next();
|
||||
},
|
||||
},
|
||||
};
|
||||
});
|
||||
});
|
||||
|
||||
walker = walk.walkSync('/tmp', options);
|
||||
walker.on("errors", function (root, nodeStatsArray, next) {
|
||||
next();
|
||||
});
|
||||
|
||||
console.log('all done');
|
||||
})();
|
||||
```
|
||||
walker.on("end", function () {
|
||||
console.log("all done");
|
||||
});
|
||||
|
||||
# API
|
||||
API
|
||||
====
|
||||
|
||||
Emitted Values
|
||||
|
||||
- `on('XYZ', function(root, stats, next) {})`
|
||||
* `on('XYZ', function(root, stats, next) {})`
|
||||
|
||||
- `root` - the containing the files to be inspected
|
||||
- _stats[Array]_ - a single `stats` object or an array with some added attributes
|
||||
- type - 'file', 'directory', etc
|
||||
- error
|
||||
- name - the name of the file, dir, etc
|
||||
- next - no more files will be read until this is called
|
||||
* `root` - the containing the files to be inspected
|
||||
* *stats[Array]* - a single `stats` object or an array with some added attributes
|
||||
* type - 'file', 'directory', etc
|
||||
* error
|
||||
* name - the name of the file, dir, etc
|
||||
* next - no more files will be read until this is called
|
||||
|
||||
Single Events - fired immediately
|
||||
|
||||
- `end` - No files, dirs, etc left to inspect
|
||||
* `end` - No files, dirs, etc left to inspect
|
||||
|
||||
- `directoryError` - Error when `fstat` succeeded, but reading path failed (Probably due to permissions).
|
||||
- `nodeError` - Error `fstat` did not succeeded.
|
||||
- `node` - a `stats` object for a node of any type
|
||||
- `file` - includes links when `followLinks` is `true`
|
||||
- `directory` - **NOTE** you could get a recursive loop if `followLinks` and a directory links to its parent
|
||||
- `symbolicLink` - always empty when `followLinks` is `true`
|
||||
- `blockDevice`
|
||||
- `characterDevice`
|
||||
- `FIFO`
|
||||
- `socket`
|
||||
* `directoryError` - Error when `fstat` succeeded, but reading path failed (Probably due to permissions).
|
||||
* `nodeError` - Error `fstat` did not succeeded.
|
||||
* `node` - a `stats` object for a node of any type
|
||||
* `file` - includes links when `followLinks` is `true`
|
||||
* Note: This feature is broken in the current version, but works in the previous `walk-recursive` version
|
||||
* `directory`
|
||||
* `symbolicLink` - always empty when `followLinks` is `true`
|
||||
* `blockDevice`
|
||||
* `characterDevice`
|
||||
* `FIFO`
|
||||
* `socket`
|
||||
|
||||
Events with Array Arguments - fired after all files in the dir have been `stat`ed
|
||||
|
||||
- `names` - before any `stat` takes place. Useful for sorting and filtering.
|
||||
* `names` - before any `stat` takes place. Useful for sorting and filtering.
|
||||
* Note: the array is an array of `string`s, not `stat` objects
|
||||
* Note: the `next` argument is a `noop`
|
||||
|
||||
- Note: the array is an array of `string`s, not `stat` objects
|
||||
- Note: the `next` argument is a `noop`
|
||||
|
||||
- `errors` - errors encountered by `fs.stat` when reading ndes in a directory
|
||||
- `nodes` - an array of `stats` of any type
|
||||
- `files`
|
||||
- `directories` - modification of this array - sorting, removing, etc - affects traversal
|
||||
- `symbolicLinks`
|
||||
- `blockDevices`
|
||||
- `characterDevices`
|
||||
- `FIFOs`
|
||||
- `sockets`
|
||||
* `errors` - errors encountered by `fs.stat` when reading ndes in a directory
|
||||
* `nodes` - an array of `stats` of any type
|
||||
* `files`
|
||||
* `directories` - modification of this array - sorting, removing, etc - affects traversal
|
||||
* `symbolicLinks`
|
||||
* `blockDevices`
|
||||
* `characterDevices`
|
||||
* `FIFOs`
|
||||
* `sockets`
|
||||
|
||||
**Warning** beware of infinite loops when `followLinks` is true (using `walk-recurse` varient).
|
||||
|
||||
# Comparisons
|
||||
Comparisons
|
||||
====
|
||||
|
||||
Tested on my `/System` containing 59,490 (+ self) directories (and lots of files).
|
||||
The size of the text output was 6mb.
|
||||
|
||||
`find`:
|
||||
time bash -c "find /System -type d | wc"
|
||||
59491 97935 6262916
|
||||
time bash -c "find /System -type d | wc"
|
||||
59491 97935 6262916
|
||||
|
||||
real 2m27.114s
|
||||
user 0m1.193s
|
||||
|
|
@ -278,12 +140,12 @@ Note that `find.js` omits the start directory
|
|||
|
||||
time bash -c "node examples/find.js /System -type d | wc"
|
||||
59490 97934 6262908
|
||||
|
||||
# Test 1
|
||||
|
||||
# Test 1
|
||||
real 2m52.273s
|
||||
user 0m20.374s
|
||||
sys 0m27.800s
|
||||
|
||||
|
||||
# Test 2
|
||||
real 2m23.725s
|
||||
user 0m18.019s
|
||||
|
|
@ -296,11 +158,12 @@ Note that `find.js` omits the start directory
|
|||
|
||||
In conclusion node.js asynchronous walk is much slower than regular "find".
|
||||
|
||||
# LICENSE
|
||||
LICENSE
|
||||
===
|
||||
|
||||
`node-walk` is available under the following licenses:
|
||||
|
||||
- MIT
|
||||
- Apache 2
|
||||
* MIT
|
||||
* Apache 2
|
||||
|
||||
Copyright 2011 - Present AJ ONeal
|
||||
|
|
|
|||
|
|
@ -1,4 +1,3 @@
|
|||
/*jshint strict:true node:true es5:true onevar:true laxcomma:true laxbreak:true*/
|
||||
(function () {
|
||||
"use strict";
|
||||
|
||||
|
|
@ -44,15 +43,12 @@
|
|||
// Emit events to each listener
|
||||
// Wait for all listeners to `next()` before continueing
|
||||
// (in theory this may avoid disk thrashing)
|
||||
function emitSingleEvents(emitter, path, stats, next, self) {
|
||||
function emitSingleEvents(emitter, path, stats, next) {
|
||||
var num = 1 + emitter.listeners(stats.type).length + emitter.listeners("node").length;
|
||||
|
||||
function nextWhenReady(flag) {
|
||||
if (flag) {
|
||||
stats.flag = flag;
|
||||
}
|
||||
function nextWhenReady() {
|
||||
num -= 1;
|
||||
if (0 === num) { next.call(self); }
|
||||
if (0 === num) { next(); }
|
||||
}
|
||||
|
||||
emitter.emit(stats.type, path, stats, nextWhenReady);
|
||||
|
|
@ -64,12 +60,12 @@
|
|||
// Since the risk for disk thrashing among anything
|
||||
// other than files is relatively low, all types are
|
||||
// emitted at once, but all must complete before advancing
|
||||
function emitPluralEvents(emitter, path, nodes, next, self) {
|
||||
function emitPluralEvents(emitter, path, nodes, next) {
|
||||
var num = 1;
|
||||
|
||||
function nextWhenReady() {
|
||||
num -= 1;
|
||||
if (0 === num) { next.call(self); }
|
||||
if (0 === num) { next(); }
|
||||
}
|
||||
|
||||
fnodeTypesPlural.concat(["nodes", "errors"]).forEach(function (fnodeType) {
|
||||
|
|
|
|||
|
|
@ -0,0 +1,24 @@
|
|||
{
|
||||
"name" : "walk",
|
||||
"description" : "A node port of python's os.walk",
|
||||
"url" : "github.com/coolaj86/node-walk",
|
||||
"keywords" : ["util", "os", "sys", "fs", "walk", "walkSync"],
|
||||
"author" : "AJ ONeal <coolaj86@gmail.com>",
|
||||
"contributors" : [],
|
||||
"dependencies" : {
|
||||
"forEachAsync": ">= 2.1.0"
|
||||
},
|
||||
"lib" : ".",
|
||||
"main" : "./walk.js",
|
||||
"version" : "2.1.1",
|
||||
"licenses": [
|
||||
{
|
||||
"type": "MIT",
|
||||
"url": "http://www.opensource.org/licenses/mit-license.php"
|
||||
},
|
||||
{
|
||||
"type": "Apache2",
|
||||
"url": "http://opensource.org/licenses/apache2.0.php"
|
||||
}
|
||||
]
|
||||
}
|
||||
|
|
@ -7,7 +7,6 @@
|
|||
function noop() {}
|
||||
|
||||
var fs = require('fs'),
|
||||
path = require('path'),
|
||||
EventEmitter = require('events').EventEmitter,
|
||||
TypeEmitter = require('./node-type-emitter');
|
||||
|
||||
|
|
@ -36,7 +35,7 @@
|
|||
emitter.emit('names', curpath, files, noop);
|
||||
files.forEachAsync(function (cont, file) {
|
||||
emitter.emit('name', curpath, file, noop);
|
||||
fs.lstat(curpath + path.sep + file, function (err, stat) {
|
||||
fs.lstat(curpath + '/' + file, function (err, stat) {
|
||||
stat = stat || {};
|
||||
stat.name = file;
|
||||
if (err) {
|
||||
|
|
@ -80,7 +79,7 @@
|
|||
}
|
||||
|
||||
function fullPath(v,i,o) {
|
||||
o[i]= [curpath, path.sep, v].join('');
|
||||
o[i]= [curpath, '/', v].join('');
|
||||
}
|
||||
|
||||
curpath = pathname;
|
||||
|
|
|
|||
423
lib/walk.js
423
lib/walk.js
|
|
@ -1,302 +1,171 @@
|
|||
// Adapted from work by jorge@jorgechamorro.com on 2010-11-25
|
||||
(function () {
|
||||
"use strict";
|
||||
"use strict"
|
||||
|
||||
// Array.prototype.forEachAsync(next, item, i, collection)
|
||||
//require('Array.prototype.forEachAsync');
|
||||
|
||||
function noop() {}
|
||||
|
||||
var fs = require('fs')
|
||||
, forEachAsync = require('foreachasync').forEachAsync
|
||||
, forEachAsync = require('forEachAsync')
|
||||
, EventEmitter = require('events').EventEmitter
|
||||
, TypeEmitter = require('./node-type-emitter')
|
||||
, util = require('util')
|
||||
, path = require('path')
|
||||
;
|
||||
|
||||
function appendToDirs(stat) {
|
||||
/*jshint validthis:true*/
|
||||
if(stat.flag && stat.flag === NO_DESCEND) { return; }
|
||||
this.push(stat.name);
|
||||
}
|
||||
|
||||
function wFilesHandlerWrapper(items) {
|
||||
/*jshint validthis:true*/
|
||||
this._wFilesHandler(noop, items);
|
||||
}
|
||||
|
||||
function Walker(pathname, options, sync) {
|
||||
EventEmitter.call(this);
|
||||
|
||||
var me = this
|
||||
function create(pathname, options, sync) {
|
||||
var emitter = new EventEmitter()
|
||||
, q = []
|
||||
, queue = [q]
|
||||
, curpath
|
||||
, firstRun = true
|
||||
;
|
||||
|
||||
options = options || {};
|
||||
me._wStat = options.followLinks && 'stat' || 'lstat';
|
||||
me._wStatSync = me._wStat + 'Sync';
|
||||
me._wsync = sync;
|
||||
me._wq = [];
|
||||
me._wqueue = [me._wq];
|
||||
me._wcurpath = undefined;
|
||||
me._wfilters = options.filters || [];
|
||||
me._wfirstrun = true;
|
||||
me._wcurpath = pathname;
|
||||
|
||||
if (me._wsync) {
|
||||
//console.log('_walkSync');
|
||||
me._wWalk = me._wWalkSync;
|
||||
} else {
|
||||
//console.log('_walkASync');
|
||||
me._wWalk = me._wWalkAsync;
|
||||
}
|
||||
|
||||
options.listeners = options.listeners || {};
|
||||
Object.keys(options.listeners).forEach(function (event) {
|
||||
var callbacks = options.listeners[event]
|
||||
function readdirHandler(err, files) {
|
||||
var fnodeGroups = TypeEmitter.createNodeGroups()
|
||||
;
|
||||
|
||||
if ('function' === typeof callbacks) {
|
||||
callbacks = [callbacks];
|
||||
function filesHandler(cont, file) {
|
||||
var statPath
|
||||
;
|
||||
|
||||
function lstatHandler(err, stat) {
|
||||
stat = stat || {};
|
||||
stat.name = file;
|
||||
|
||||
if (err) {
|
||||
stat.error = err;
|
||||
//emitter.emit('error', curpath, stat);
|
||||
emitter.emit('nodeError', curpath, stat, noop);
|
||||
fnodeGroups.errors.push(stat);
|
||||
cont();
|
||||
} else {
|
||||
TypeEmitter.sortFnodesByType(stat, fnodeGroups);
|
||||
TypeEmitter.emitNodeType(emitter, curpath, stat, cont);
|
||||
}
|
||||
}
|
||||
|
||||
emitter.emit('name', curpath, file, noop);
|
||||
|
||||
statPath = curpath + '/' + file;
|
||||
|
||||
if (sync) {
|
||||
try {
|
||||
lstatHandler(null, fs.lstatSync(statPath));
|
||||
} catch(e) {
|
||||
lstatHandler(e);
|
||||
}
|
||||
} else {
|
||||
fs.lstat(statPath, lstatHandler);
|
||||
}
|
||||
}
|
||||
|
||||
callbacks.forEach(function (callback) {
|
||||
me.on(event, callback);
|
||||
});
|
||||
});
|
||||
function postFilesHandler() {
|
||||
if (fnodeGroups.errors.length) {
|
||||
emitter.emit('errors', curpath, fnodeGroups.errors, noop);
|
||||
}
|
||||
TypeEmitter.emitNodeTypeGroups(emitter, curpath, fnodeGroups, function () {
|
||||
var dirs = [];
|
||||
fnodeGroups.directories.forEach(function (stat) {
|
||||
dirs.push(stat.name);
|
||||
});
|
||||
dirs.forEach(fullPath);
|
||||
queue.push(q = dirs);
|
||||
next();
|
||||
});
|
||||
}
|
||||
|
||||
me._wWalk();
|
||||
function readFiles() {
|
||||
if (!files || 0 == files.length) {
|
||||
return next();
|
||||
}
|
||||
|
||||
// TODO could allow user to selectively stat
|
||||
// and don't stat if there are no stat listeners
|
||||
emitter.emit('names', curpath, files, noop);
|
||||
|
||||
if (sync) {
|
||||
files.forEach(function (items) {
|
||||
filesHandler(noop, items);
|
||||
});
|
||||
postFilesHandler();
|
||||
} else {
|
||||
forEachAsync(files, filesHandler).then(postFilesHandler);
|
||||
}
|
||||
}
|
||||
|
||||
if (!err) {
|
||||
readFiles();
|
||||
return;
|
||||
}
|
||||
|
||||
if (!firstRun) {
|
||||
emitter.emit('directoryError', curpath, { error: err }, noop);
|
||||
readFiles();
|
||||
return;
|
||||
}
|
||||
|
||||
firstRun = false;
|
||||
fs.lstat(curpath, function (e, stat) {
|
||||
|
||||
if (stat) {
|
||||
files = [curpath.replace(/.*\//, '')];
|
||||
curpath = curpath.replace(files[0], '');
|
||||
}
|
||||
|
||||
readFiles();
|
||||
});
|
||||
}
|
||||
|
||||
function walkSync() {
|
||||
var err, files;
|
||||
|
||||
try {
|
||||
files = fs.readdirSync(curpath);
|
||||
} catch(e) {
|
||||
err = e;
|
||||
}
|
||||
|
||||
readdirHandler(err, files);
|
||||
}
|
||||
|
||||
function walk() {
|
||||
fs.readdir(curpath, readdirHandler);
|
||||
}
|
||||
|
||||
function next() {
|
||||
if (q.length) {
|
||||
curpath = q.pop();
|
||||
return walk();
|
||||
}
|
||||
if (queue.length -= 1) {
|
||||
q = queue[queue.length - 1];
|
||||
return next();
|
||||
}
|
||||
emitter.emit('end');
|
||||
}
|
||||
|
||||
function fullPath(v, i, o) {
|
||||
o[i] = [curpath, '/', v].join('');
|
||||
}
|
||||
|
||||
curpath = pathname;
|
||||
|
||||
if (sync) {
|
||||
walk = walkSync;
|
||||
process.nextTick(walk);
|
||||
} else {
|
||||
walk();
|
||||
}
|
||||
|
||||
return emitter;
|
||||
}
|
||||
|
||||
// Inherits must come before prototype additions
|
||||
util.inherits(Walker, EventEmitter);
|
||||
|
||||
Walker.prototype._wLstatHandler = function (err, stat) {
|
||||
var me = this
|
||||
;
|
||||
|
||||
stat = stat || {};
|
||||
stat.name = me._wcurfile;
|
||||
|
||||
if (err) {
|
||||
stat.error = err;
|
||||
//me.emit('error', curpath, stat);
|
||||
// TODO v3.0 (don't noop the next if there are listeners)
|
||||
me.emit('nodeError', me._wcurpath, stat, noop);
|
||||
me._wfnodegroups.errors.push(stat);
|
||||
me._wCurFileCallback();
|
||||
} else {
|
||||
TypeEmitter.sortFnodesByType(stat, me._wfnodegroups);
|
||||
// NOTE: wCurFileCallback doesn't need thisness, so this is okay
|
||||
TypeEmitter.emitNodeType(me, me._wcurpath, stat, me._wCurFileCallback, me);
|
||||
}
|
||||
};
|
||||
Walker.prototype._wFilesHandler = function (cont, file) {
|
||||
var statPath
|
||||
, me = this
|
||||
;
|
||||
|
||||
|
||||
me._wcurfile = file;
|
||||
me._wCurFileCallback = cont;
|
||||
me.emit('name', me._wcurpath, file, noop);
|
||||
|
||||
statPath = me._wcurpath + path.sep + file;
|
||||
|
||||
if (!me._wsync) {
|
||||
// TODO how to remove this anony?
|
||||
fs[me._wStat](statPath, function (err, stat) {
|
||||
me._wLstatHandler(err, stat);
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
me._wLstatHandler(null, fs[me._wStatSync](statPath));
|
||||
} catch(e) {
|
||||
me._wLstatHandler(e);
|
||||
}
|
||||
};
|
||||
Walker.prototype._wOnEmitDone = function () {
|
||||
var me = this
|
||||
, dirs = []
|
||||
;
|
||||
|
||||
me._wfnodegroups.directories.forEach(appendToDirs, dirs);
|
||||
dirs.forEach(me._wJoinPath, me);
|
||||
me._wqueue.push(me._wq = dirs);
|
||||
me._wNext();
|
||||
};
|
||||
Walker.prototype._wPostFilesHandler = function () {
|
||||
var me = this
|
||||
;
|
||||
|
||||
if (me._wfnodegroups.errors.length) {
|
||||
// TODO v3.0 (don't noop the next)
|
||||
// .errors is an array of stats with { name: name, error: error }
|
||||
me.emit('errors', me._wcurpath, me._wfnodegroups.errors, noop);
|
||||
}
|
||||
// XXX emitNodeTypes still needs refactor
|
||||
TypeEmitter.emitNodeTypeGroups(me, me._wcurpath, me._wfnodegroups, me._wOnEmitDone, me);
|
||||
};
|
||||
Walker.prototype._wReadFiles = function () {
|
||||
var me = this
|
||||
;
|
||||
|
||||
if (!me._wcurfiles || 0 === me._wcurfiles.length) {
|
||||
return me._wNext();
|
||||
}
|
||||
|
||||
// TODO could allow user to selectively stat
|
||||
// and don't stat if there are no stat listeners
|
||||
me.emit('names', me._wcurpath, me._wcurfiles, noop);
|
||||
|
||||
if (me._wsync) {
|
||||
me._wcurfiles.forEach(wFilesHandlerWrapper, me);
|
||||
me._wPostFilesHandler();
|
||||
} else {
|
||||
forEachAsync(me._wcurfiles, me._wFilesHandler, me).then(me._wPostFilesHandler);
|
||||
}
|
||||
};
|
||||
Walker.prototype._wReaddirHandler = function (err, files) {
|
||||
var fnodeGroups = TypeEmitter.createNodeGroups()
|
||||
, me = this
|
||||
, parent
|
||||
, child
|
||||
;
|
||||
|
||||
me._wfnodegroups = fnodeGroups;
|
||||
me._wcurfiles = files;
|
||||
|
||||
// no error, great
|
||||
if (!err) {
|
||||
me._wReadFiles();
|
||||
return;
|
||||
}
|
||||
|
||||
// TODO path.sep
|
||||
me._wcurpath = me._wcurpath.replace(/\/$/, '');
|
||||
|
||||
// error? not first run? => directory error
|
||||
if (!me._wfirstrun) {
|
||||
// TODO v3.0 (don't noop the next if there are listeners)
|
||||
me.emit('directoryError', me._wcurpath, { error: err }, noop);
|
||||
// TODO v3.0
|
||||
//me.emit('directoryError', me._wcurpath.replace(/^(.*)\/.*$/, '$1'), { name: me._wcurpath.replace(/^.*\/(.*)/, '$1'), error: err }, noop);
|
||||
me._wReadFiles();
|
||||
return;
|
||||
}
|
||||
|
||||
// error? first run? => maybe a file, maybe a true error
|
||||
me._wfirstrun = false;
|
||||
|
||||
// readdir failed (might be a file), try a stat on the parent
|
||||
parent = me._wcurpath.replace(/^(.*)\/.*$/, '$1');
|
||||
fs[me._wStat](parent, function (e, stat) {
|
||||
|
||||
if (stat) {
|
||||
// success
|
||||
// now try stat on this as a child of the parent directory
|
||||
child = me._wcurpath.replace(/^.*\/(.*)$/, '$1');
|
||||
me._wcurfiles = [child];
|
||||
me._wcurpath = parent;
|
||||
} else {
|
||||
// TODO v3.0
|
||||
//me.emit('directoryError', me._wcurpath.replace(/^(.*)\/.*$/, '$1'), { name: me._wcurpath.replace(/^.*\/(.*)/, '$1'), error: err }, noop);
|
||||
// TODO v3.0 (don't noop the next)
|
||||
// the original readdir error, not the parent stat error
|
||||
me.emit('nodeError', me._wcurpath, { error: err }, noop);
|
||||
}
|
||||
|
||||
me._wReadFiles();
|
||||
});
|
||||
};
|
||||
Walker.prototype._wFilter = function () {
|
||||
var me = this
|
||||
, exclude
|
||||
;
|
||||
|
||||
// Stop directories that contain filter keywords
|
||||
// from continuing through the walk process
|
||||
exclude = me._wfilters.some(function (filter) {
|
||||
if (me._wcurpath.match(filter)) {
|
||||
return true;
|
||||
}
|
||||
});
|
||||
|
||||
return exclude;
|
||||
};
|
||||
Walker.prototype._wWalkSync = function () {
|
||||
//console.log('walkSync');
|
||||
var err
|
||||
, files
|
||||
, me = this
|
||||
;
|
||||
|
||||
try {
|
||||
files = fs.readdirSync(me._wcurpath);
|
||||
} catch(e) {
|
||||
err = e;
|
||||
}
|
||||
|
||||
me._wReaddirHandler(err, files);
|
||||
};
|
||||
Walker.prototype._wWalkAsync = function () {
|
||||
//console.log('walkAsync');
|
||||
var me = this
|
||||
;
|
||||
|
||||
// TODO how to remove this anony?
|
||||
fs.readdir(me._wcurpath, function (err, files) {
|
||||
me._wReaddirHandler(err, files);
|
||||
});
|
||||
};
|
||||
Walker.prototype._wNext = function () {
|
||||
var me = this
|
||||
;
|
||||
|
||||
if (me._paused) {
|
||||
return;
|
||||
}
|
||||
if (me._wq.length) {
|
||||
me._wcurpath = me._wq.pop();
|
||||
while (me._wq.length && me._wFilter()) {
|
||||
me._wcurpath = me._wq.pop();
|
||||
}
|
||||
if (me._wcurpath && !me._wFilter()) {
|
||||
me._wWalk();
|
||||
} else {
|
||||
me._wNext();
|
||||
}
|
||||
return;
|
||||
}
|
||||
me._wqueue.length -= 1;
|
||||
if (me._wqueue.length) {
|
||||
me._wq = me._wqueue[me._wqueue.length - 1];
|
||||
return me._wNext();
|
||||
}
|
||||
|
||||
// To not break compatibility
|
||||
//process.nextTick(function () {
|
||||
me.emit('end');
|
||||
//});
|
||||
};
|
||||
Walker.prototype._wJoinPath = function (v, i, o) {
|
||||
var me = this
|
||||
;
|
||||
|
||||
o[i] = [me._wcurpath, path.sep, v].join('');
|
||||
};
|
||||
Walker.prototype.pause = function () {
|
||||
this._paused = true;
|
||||
};
|
||||
Walker.prototype.resume = function () {
|
||||
this._paused = false;
|
||||
this._wNext();
|
||||
};
|
||||
|
||||
exports.walk = function (path, opts) {
|
||||
return new Walker(path, opts, false);
|
||||
return create(path, opts, false);
|
||||
};
|
||||
|
||||
exports.walkSync = function (path, opts) {
|
||||
return new Walker(path, opts, true);
|
||||
return create(path, opts, true);
|
||||
};
|
||||
}());
|
||||
|
|
|
|||
40
package.json
40
package.json
|
|
@ -1,40 +0,0 @@
|
|||
{
|
||||
"name": "walk",
|
||||
"description": "A node port of python's os.walk",
|
||||
"url": "http://git.coolaj86.com/coolaj86/fs-walk.js",
|
||||
"keywords": [
|
||||
"util",
|
||||
"os",
|
||||
"sys",
|
||||
"fs",
|
||||
"walk",
|
||||
"walkSync"
|
||||
],
|
||||
"author": "AJ ONeal <coolaj86@gmail.com>",
|
||||
"contributors": [],
|
||||
"dependencies": {
|
||||
"foreachasync": "^3.0.0"
|
||||
},
|
||||
"lib": ".",
|
||||
"main": "./lib/walk.js",
|
||||
"version": "2.3.15",
|
||||
"files": [
|
||||
"lib"
|
||||
],
|
||||
"repository": {
|
||||
"url": "https://git.coolaj86.com/coolaj86/fs-walk.js.git"
|
||||
},
|
||||
"license": "(MIT OR Apache-2.0)",
|
||||
"bugs": {
|
||||
"url": "https://git.coolaj86.com/coolaj86/fs-walk.js/issues"
|
||||
},
|
||||
"homepage": "https://git.coolaj86.com/coolaj86/fs-walk.js",
|
||||
"directories": {
|
||||
"example": "examples",
|
||||
"test": "test"
|
||||
},
|
||||
"devDependencies": {},
|
||||
"scripts": {
|
||||
"test": "./test/walk-test.sh"
|
||||
}
|
||||
}
|
||||
|
|
@ -1,34 +0,0 @@
|
|||
(function () {
|
||||
"use strict";
|
||||
|
||||
var walk = require('../lib/walk').walk
|
||||
, path = require('path')
|
||||
, dirname = process.argv[2] || './'
|
||||
, walker
|
||||
;
|
||||
|
||||
walker = walk(dirname);
|
||||
|
||||
walker.on('directories', function (root, stats, next) {
|
||||
stats.forEach(function (stat) {
|
||||
console.log('[ds]', path.join(root, stat.name));
|
||||
});
|
||||
next();
|
||||
});
|
||||
|
||||
/*
|
||||
walker.on('directory', function (root, stat, next) {
|
||||
console.log('[d]', path.join(root, stat.name));
|
||||
next();
|
||||
});
|
||||
*/
|
||||
|
||||
walker.on('file', function (root, stat, next) {
|
||||
console.log('[f]', path.join(root, stat.name));
|
||||
next();
|
||||
});
|
||||
|
||||
walker.on('end', function () {
|
||||
console.log('All Done!');
|
||||
});
|
||||
}());
|
||||
|
|
@ -1,43 +0,0 @@
|
|||
(function () {
|
||||
"use strict";
|
||||
|
||||
var walk = require('../lib/walk')
|
||||
, fs = require('fs')
|
||||
, options
|
||||
, walker
|
||||
;
|
||||
|
||||
options = {
|
||||
listeners: {
|
||||
names: function (root, nodeNamesArray) {
|
||||
nodeNamesArray.sort(function (a, b) {
|
||||
if (a > b) return 1;
|
||||
if (a < b) return -1;
|
||||
return 0;
|
||||
});
|
||||
}
|
||||
, directories: function (root, dirStatsArray, next) {
|
||||
// dirStatsArray is an array of `stat` objects with the additional attributes
|
||||
// * type
|
||||
// * error
|
||||
// * name
|
||||
|
||||
next();
|
||||
}
|
||||
, file: function (root, fileStats, next) {
|
||||
fs.readFile(fileStats.name, function () {
|
||||
// doStuff
|
||||
console.log(root, fileStats.name);
|
||||
next();
|
||||
});
|
||||
}
|
||||
, errors: function (root, nodeStatsArray, next) {
|
||||
next();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
walker = walk.walkSync("/tmp", options);
|
||||
|
||||
console.log("all done");
|
||||
}());
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
(function () {
|
||||
"use strict";
|
||||
|
||||
var walk = require('./lib/walk')
|
||||
, _ = require('underscore')
|
||||
, fs = require('fs')
|
||||
, sync = false
|
||||
, walker;
|
||||
|
||||
console.log(walk);
|
||||
|
||||
walker = walk.walk(".");
|
||||
|
||||
walker.on("directory", function (root, dirStatsArray, next) {
|
||||
// dirStatsArray is an array of `stat` objects with the additional attributes
|
||||
// * type
|
||||
// * error
|
||||
// * name
|
||||
//console.log(_.pluck(dirStatsArray, 'name'));
|
||||
console.log(root + '/' + dirStatsArray.name);
|
||||
|
||||
next();
|
||||
});
|
||||
|
||||
walker.on("file", function (root, fileStats, next) {
|
||||
console.log(root + '/' + fileStats.name);
|
||||
|
||||
next();
|
||||
});
|
||||
|
||||
walker.on("errors", function (root, nodeStatsArray, next) {
|
||||
//console.log(nodeStatsArray);
|
||||
|
||||
next();
|
||||
});
|
||||
|
||||
walker.on("end", function () {
|
||||
console.log("all done");
|
||||
});
|
||||
}());
|
||||
Loading…
Reference in New Issue