onepath

A sane path resolution utility

npm i onepath --save

Quick Usage

const onepath = require('onepath')();

// Directory where onepath was called
console.log('~', onepath('~'));

// Current working directory
console.log('.', onepath('.'));

// $HOME$ enviroment variable used to get a users' home folder path
console.log('HOME', onepath('{{HOME}}')); 

// Set a custom variable
onepath.set('someFolder', '~/../someFolder/someOtherFolder');

// Use custom variable 
console.log('someFolder', onepath('{someFolder}')); 

// Remove custom variable
onepath.unset('someFolder');

onepath was created to unify path resolution across node instances.

Modifiers

• . A dot prefix is a path relative to the working directory e.g process.cwd()
• ~ A tilde prefix is a path relative to the file that called the onepath utility
• {KEY} Is a path that was set with onepath.set
• {{ENV}} Is a path that was set as an enviroment variable

API

String onepath(String pathQuery) Returns a resolved path.

Mixed onepath.require(String pathQuery) Require a module using onepath.

onepath.set(String key, String pathQuery) Set a path key that can be included with single braces example:

onepath.set('VIEW_FOLDER', './lib/views')
onepath('{VIEW_FOLDER}/elements/sample.html') 

Returns ./lib/views/elements/sample.html

onepath.unset(String key) Removes a path key that was previously set

Config (onepath.json)

onepath will try to read a json file in the current working directory: ./onepath.json

And use the contents as custom variables:

Example onepath.json

{
    "bin": "./project/bin",
    "images": "./project/assets/images",
    "engine_plugins": "~/plugins"
}

e.g:

const onepath = require('onepath')();
console.log(onepath('{images}/logo.png'));

---

Use Cases

No more ../../../../hell.

Instead of:

var path = require('path')
var relativeModule = path.join(__dirname, 'relative-module.js')

This:

var relativeModule = require(onepath('~/relative-module.js'))

OR

var relativeModule = onepath.require('~/relative-module.js')

---

Instead of:

var path = require('path')
var CONFIG_DIR = process.env.CONFIG_DIR
var knex = require(path.join(CONFIG_DIR, 'knexfile.js'))

This:

onepath.set('CONFIG_DIR', '/path/to/config')
var knex = onepath.require('{CONFIG_DIR}/knexfile.js')

OR

var knex = onepath.require('{{CONFIG_DIR}}/knexfile.js')

MIT License