Constance

Create constants with ease. Inspired by React's keyMirror module, Constance accepts an object and mirrors the keys onto their values. Constance also allows you to prefix and postfix constants, either to provide proper namespacing or cut down on the verbosity of writing out constants. Constance works with arrays too.

npm install constance

var constance = require('constance');

var methods = ['save', 'update', 'validate'];

// normal
var events = constance(methods);
/* => {
  save: 'save',
  update: 'update',
  validate: 'validate'
} */

// prefixing
var hooks = constance('pre_', methods); 
/* => {
	save: 'pre_save',
	update: 'pre_update',
	validate: 'pre_validate'	
} */

// postfixing
var actions = constance(methods, '_action');
/* => {
	save: 'save_action',
	update: 'update_action',
	validate: 'validate_action'	
} */

Contributing

We can always have more tests: if you find a bug, create an issue or be fabulous and fix the problem and write the tests up yourself in a coherent pull request.

Run tests with the npm test command.

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