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Diffstat (limited to 'node_modules/lodash/iteratee.js')
-rw-r--r-- | node_modules/lodash/iteratee.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/node_modules/lodash/iteratee.js b/node_modules/lodash/iteratee.js new file mode 100644 index 0000000..61b73a8 --- /dev/null +++ b/node_modules/lodash/iteratee.js @@ -0,0 +1,53 @@ +var baseClone = require('./_baseClone'), + baseIteratee = require('./_baseIteratee'); + +/** Used to compose bitmasks for cloning. */ +var CLONE_DEEP_FLAG = 1; + +/** + * Creates a function that invokes `func` with the arguments of the created + * function. If `func` is a property name, the created function returns the + * property value for a given element. If `func` is an array or object, the + * created function returns `true` for elements that contain the equivalent + * source properties, otherwise it returns `false`. + * + * @static + * @since 4.0.0 + * @memberOf _ + * @category Util + * @param {*} [func=_.identity] The value to convert to a callback. + * @returns {Function} Returns the callback. + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': true }, + * { 'user': 'fred', 'age': 40, 'active': false } + * ]; + * + * // The `_.matches` iteratee shorthand. + * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true })); + * // => [{ 'user': 'barney', 'age': 36, 'active': true }] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.filter(users, _.iteratee(['user', 'fred'])); + * // => [{ 'user': 'fred', 'age': 40 }] + * + * // The `_.property` iteratee shorthand. + * _.map(users, _.iteratee('user')); + * // => ['barney', 'fred'] + * + * // Create custom iteratee shorthands. + * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) { + * return !_.isRegExp(func) ? iteratee(func) : function(string) { + * return func.test(string); + * }; + * }); + * + * _.filter(['abc', 'def'], /ef/); + * // => ['def'] + */ +function iteratee(func) { + return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG)); +} + +module.exports = iteratee; |