| 1 | var baseFor = require('./_baseFor'),
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| 2 | castFunction = require('./_castFunction'),
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| 3 | keysIn = require('./keysIn');
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| 4 |
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| 5 | /**
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| 6 | * Iterates over own and inherited enumerable string keyed properties of an
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| 7 | * object and invokes `iteratee` for each property. The iteratee is invoked
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| 8 | * with three arguments: (value, key, object). Iteratee functions may exit
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| 9 | * iteration early by explicitly returning `false`.
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| 10 | *
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| 11 | * @static
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| 12 | * @memberOf _
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| 13 | * @since 0.3.0
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| 14 | * @category Object
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| 15 | * @param {Object} object The object to iterate over.
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| 16 | * @param {Function} [iteratee=_.identity] The function invoked per iteration.
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| 17 | * @returns {Object} Returns `object`.
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| 18 | * @see _.forInRight
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| 19 | * @example
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| 20 | *
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| 21 | * function Foo() {
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| 22 | * this.a = 1;
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| 23 | * this.b = 2;
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| 24 | * }
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| 25 | *
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| 26 | * Foo.prototype.c = 3;
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| 27 | *
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| 28 | * _.forIn(new Foo, function(value, key) {
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| 29 | * console.log(key);
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| 30 | * });
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| 31 | * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
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| 32 | */
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| 33 | function forIn(object, iteratee) {
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| 34 | return object == null
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| 35 | ? object
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| 36 | : baseFor(object, castFunction(iteratee), keysIn);
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| 37 | }
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| 38 |
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| 39 | module.exports = forIn;
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