key/lib/key.js

A tiny little keycode library

// Generated by CoffeeScript 1.3.3
(function() {
  'use strict';

  var isRef, iterator, key,
    _this = this,
    __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; },
    __hasProp = {}.hasOwnProperty;

  isRef = require('./ref').isRef;

  key = {};

  key.code = {
    special: require('./code/special'),
    arrow: require('./code/arrow'),
    punctuation: require('./code/punctuation'),
    alnum: require('./code/alnum'),
    brand: require('./code/brand')
  };

  key.get = function(pressed) {
    return iterator(key.code, pressed);
  };

  key.is = function(ref, pressed) {
    if (!isRef(ref)) {
      ref = iterator(ref, pressed);
    }
    if (isRef(ref)) {
      if (isRef(pressed)) {
        return pressed === ref;
      } else {
        return pressed === ref.code || __indexOf.call(ref.code, pressed) >= 0;
      }
    } else {
      return pressed === ref;
    }
  };

  iterator = function(context, pressed) {
    var i, out, ref;
    for (i in context) {
      if (!__hasProp.call(context, i)) continue;
      ref = context[i];
      if (isRef(ref)) {
        if (key.is(ref, pressed)) {
          return ref;
        }
      } else {
        out = iterator(ref, pressed);
        if (isRef(out)) {
          return out;
        }
      }
    }
  };

  if (typeof window !== 'undefined') {
    window.key = key;
  }

  module.exports = key;

}).call(this);