| 1 | var each = require('./each')
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| 2 | var isFunction = require('./isFunction')
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| 3 | var property = require('./property')
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| 4 |
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| 5 | /**
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| 6 | * 指定方法后的返回值组成的新对象
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| 7 | *
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| 8 | * @param {Object} obj 对象/数组
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| 9 | * @param {Function} iterate(item, index, obj) 回调
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| 10 | * @param {Object} context 上下文
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| 11 | * @return {Object}
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| 12 | */
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| 13 | function objectMap (obj, iterate, context) {
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| 14 | var result = {}
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| 15 | if (obj) {
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| 16 | if (iterate) {
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| 17 | if (!isFunction(iterate)) {
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| 18 | iterate = property(iterate)
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| 19 | }
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| 20 | each(obj, function (val, index) {
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| 21 | result[index] = iterate.call(context, val, index, obj)
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| 22 | })
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| 23 | } else {
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| 24 | return obj
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| 25 | }
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| 26 | }
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| 27 | return result
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| 28 | }
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| 29 |
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| 30 | module.exports = objectMap
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