deps-object

Transform dependencies Array into an Object

Install

npm install --save deps-object

Usage

import depsObject from 'deps-object';
 
depsObject(['ava', 'nyc@^6.0.0', 'rimraf@2.5.2', '@sindresorhus/df'])
  .then(item => console.log(item));
  /* {
    "@sindresorhus/df": "^1.0.1",
    "ava": "^0.12.0",
    "nyc": "^6.0.0",
    "rimraf":"'2.5.2".
  } */

Usage with yeoman generators

var yeoman = require('yeoman-generator');
var objectAssign = require('object-assign');
var depsObject = require('deps-object');
var sortedObject = require('sorted-object');
 
module.exports = yeoman.Base.extend({
  constructor: function () {
    yeoman.Base.apply(this, arguments);
 
    // your generator's initialization
 
    // saveDepsToPkg helper
    this.saveDepsToPkg = function (deps) {
      var pkg = this.fs.readJSON(this.destinationPath('package.json'), {});
      var currentDeps = pkg.devDependencies || {};
      var mergedDeps = objectAssign({}, currentDeps, deps);
      var sortedDeps = sortedObject(mergedDeps);
      pkg.devDependencies = sortedDeps;
      this.fs.writeJSON(this.destinationPath('package.json'), pkg);
    };
  },
  writing: function () {
    // your generator's file system operations
 
    var deps = ['assert@^1.3.0', 'mocha@^2.4.5'];
    return depsObject(deps)
      .then(function(devDependencies) {
        this.saveDepsToPkg(devDependencies);
      }.bind(this))
      .catch(function (err) { throw err; });
  }
});

API

depsObject(deps)

// depsObject :: Array[String] -> Promise Object`

Return a promise that resolves to dependencies object.

deps

Required
Type: Array[String]

Dependencies list. Specify dependency with @, otherwise result version will be latest one with ^ prefix.

License

MIT © Vladimir Starkov