draxt

draxt is a utility module for selecting and manipulating filesystem objects in a Node.js environment.
It uses glob patterns as its “selector engine”. draxt also provides several DOM-like interfaces representing filesystem objects which build on promisified APIs for the fs and fs-extra modules.

Example directory structure:

/app/
 ├── controllers/
 │   └── index.js
 ├── public/
 │   ├── script.js
 │   └── style.css
 └── views/
     └── index.html

const $ = require('draxt');

(async () => {
    // Select `/app` directory content and create a new `draxt` collection.
    const $app = await $('/app/**');
    $app
        // Let's filter js files:
        .filter((node) => node.extension === 'js')
        // Now we have a new `draxt` collection with 2 nodes.
        .forEach(async (node, index, allNodes) => {
            // `node` is instance of `File` class. Because it's a file!
            console.log(node.pathName);
            // → '/app/controllers/index.js' for the first node!

            console.log(node instanceof $.File); // → `true`

            // Let's get contents of the node. `file.read` returns a promise object.
            const content = await node.read('utf8');

            // Let's use some synchronous methods!
            node.appendSync('\na new line!')
                .chmodSync('765')
                // move the file into another directory!
                .appendToSync('/tmp'); // or `.moveToSync('/tmp')`

            console.log(node.pathName);
            // → '/hell/index.js' for the first node in the list!

            // get the parent directory of the node.
            // returns a `Directory` instance with the pathName of '/tmp'!
            const parentNode = node.parentSync(); // or `await node.parent()`

            // is the directory empty?
            console.log(parentNode.isEmptySync()); // → `false`
        });
})();

Key notes:

• draxt has only 2 dependencies: glob and fs-extra modules.
• draxt uses glob patterns to select filesystem objects.
• Each item in a draxt collection is an instance of a File, Directory, or SymbolicLink class, which is a subclass of Node.
• Every asynchronous method has a synchronous version. E.g., node.siblingsSync() for node.siblings().
• draxt is a simple constructor function. You can extend/overwrite its methods via its prototype property (or its fn alias) or by using the draxt.extend method.

const draxt = require('draxt');
// Add a method (`images`) for filtering image files.
draxt.fn.images = function() {
    const imgExtensions = ['jpeg', 'jpg', 'png', 'git', ...];
    return this.filter(node => {
       return node.isFile() && imgExtensions.indexOf(node.extension) > -1;
    });
}

Install

Installing via npm:

$ npm i draxt

Via yarn:

$ yarn add draxt

Docs

• draxt APIs
• Interfaces
  • Node
  • File
  • Directory
  • SymbolicLink

Test

In the past, mock-fs was used for mocking test file system, but since the package is not compatible with
newer versions of node.js, now regular linux cmds like mkdir and echo are used for creating test files and
folders. The test fs structure are created in /tmp directory. That being said, for now, tests only work on Linux!

$ npm run test

License

Licensed under MIT.