bin/node_modules/plist/node_modules/xmlbuilder/node_modules/lodash-node/compat/internals/cacheIndexOf.js

/**
 * Lo-Dash 2.4.1 (Custom Build) <http://lodash.com/>
 * Build: `lodash modularize exports="node" -o ./compat/`
 * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <http://lodash.com/license>
 */
var baseIndexOf = require('./baseIndexOf'),
    keyPrefix = require('./keyPrefix');

/**
 * An implementation of `_.contains` for cache objects that mimics the return
 * signature of `_.indexOf` by returning `0` if the value is found, else `-1`.
 *
 * @private
 * @param {Object} cache The cache object to inspect.
 * @param {*} value The value to search for.
 * @returns {number} Returns `0` if `value` is found, else `-1`.
 */
function cacheIndexOf(cache, value) {
  var type = typeof value;
  cache = cache.cache;

  if (type == 'boolean' || value == null) {
    return cache[value] ? 0 : -1;
  }
  if (type != 'number' && type != 'string') {
    type = 'object';
  }
  var key = type == 'number' ? value : keyPrefix + value;
  cache = (cache = cache[type]) && cache[key];

  return type == 'object'
    ? (cache && baseIndexOf(cache, value) > -1 ? 0 : -1)
    : (cache ? 0 : -1);
}

module.exports = cacheIndexOf;