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grunt-tree v1.1.1

Parse a directory to a tree with json format.

Why I writen this plugin?

I need build my static files with md5 version. The follows is what I want to get:

// static.json
{
    "static/js/base.js": "xxxx-base.js",
    "static/img/logo.png": "xxxx-logo.png",
    "static/css/base.css": "xxxx-base.css"
}

Then, I do not need care about the cache of static files in production environment by create files with md5 version.

Only I need to do is create a get static files function to get it.

Getting Started

This plugin requires Grunt >=0.4.0

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-tree --save-dev

One the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:

grunt.loadNpmTasks('grunt-tree');

The "tree" task

Overview

In your project's Gruntfile, add a section named tree to the data object passed into grunt.initConfig().

grunt.initConfig({
  tree: {
    options: {
        // hash: String, default: null, like 'md5' or 'sha1'
        // hashLen: Number, default: null
        // format: Boolean, default: false
        // type: Array, default: null
        // recurse: Boolean, default: true
        // cwd: String, default: ""
        // prettify: Boolean|number, default: 0
        // outputType: Array, default: null
        // outputDirectory: String, default: false
    },
    your_target: {
      /** contents like this:
        files: [
            {
                src: ['relativePath/'],
                dest: 'saveTheResult/'
            }
        ]
      */
    },
  },
})

Options

options.hash

Type: String Default value: null.

Get the hash value of the file and insert before the file name with '-'. Value is the algorithm name, like md5,sha1.

options.hashLen

Type: Number Default value: false

Get the substring of hash value of file. hashValue.substring(0, options.hashLen)

options.format

Type: Boolean Default value: false

A boolean value that you want the format of result.

The Default result is the tree format like the command tree.

And if format set to true, then output a one-to-one mode.

options.type

Type: Array Default value: null

Filter the postfix of the files you set. This is can be replaced by set src option with pattern.

options.recurse

Type: Boolean Default value: true

Whether recurse in your given directory.

options.cwd

Type: String Default Value: ''

Relative to the src directory.

options.prettify

Type: Boolean|Number Default value: 0.

For output style, if set to true, It is equivalent to JSON.stringify(json, null, 4).

Anyway, see the examples.

options.outputType

Type: Array Default value: null Add in version 1.1.1

Filter the postfix of the files you set to output.

options.outputDirectory

Type: String Default value: false Add in version 1.1.1

The directory of files output.

Caution

This task is not support Building the files object dynamically in configuring-tasks of grunt.

Go to Building the files object dynamically, see more infomation.

Usage Examples

Default Options

grunt.initConfig({
    tree: {
        default: {
            options: {},
            files: [
                {
                    src: ['test/'],
                    dest: '/tmp/test.json'
                }
            ]
        }
    }
});

// If the have files: "a.css", "js/b.js", "c" in the test directory,
// 1. run grunt, then the result will like:
{
    "a.css": "a.css",
    "js": {
        "b.js": "b.js"
    },
    "c": "c"
}

// 2. change the options to: { hash: 'md5', hashLen : 8 }, and result will be like:
{
    "a.css": "e8dcfa25-a.css",
    "js": {
        "b.js": "59efd297-b.js"
    },
    "c": "a8e91771-c"
}

// 3. change the options to: { format: true }, and result will be like:

{
    "a.css": "a.css",
    "js/b.js": "b.js"
    "c": "c"
}

// 4. change the options to: { type: ["js", "css"] }, and result will be like:
{
    "a.css": "a.css",
    "js": {
        "b.js": "b.js"
    }
}

// 5. change the options to: { recurse: false }, and result will be like:
{
    "a.css": "a.css",
    "c": "c"
}

// 6. change the options to: { outputType: ['js'], outputDirectory: '/tmp' }, and result will be like:
// /tmp/output.json
{
    "a.css": "a.css",
    "js": {
        "b.js": "b.js"
    },
    "c": "c"
}
// New file created in /tmp directory
// /tmp/b.js


// 7. try to mix the options, and have a look.
...

### Test
```shell
npm run-script test

# Once you run the follow command in console, you should run `npm install` before.
# grunt test

Last

About the version. The first version is the same with grunt first version.

Release History

  1. New Start. [2016/02/27] => for 1.0.1
  2. Add option.outputType and option.outputDirectory. [2016/02/29] => for 1.1.1

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parse a directory to a tree with json format.

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