58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
var helperDeleteProperty = require('./helperDeleteProperty')
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var isFunction = require('./isFunction')
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var isArray = require('./isArray')
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var each = require('./each')
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var arrayEach = require('../array/arrayEach')
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var lastEach = require('./lastEach')
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var clear = require('./clear')
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var eqNull = require('./eqNull')
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function pluckProperty (name) {
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return function (obj, key) {
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return key === name
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}
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}
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/**
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* 移除对象属性
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*
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* @param {Object/Array} obj 对象/数组
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* @param {Function/String} iterate 方法或属性
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* @param {Object} context 上下文
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* @return {Object/Array}
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*/
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function remove (obj, iterate, context) {
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if (obj) {
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if (!eqNull(iterate)) {
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var removeKeys = []
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var rest = []
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if (!isFunction(iterate)) {
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iterate = pluckProperty(iterate)
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}
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each(obj, function (item, index, rest) {
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if (iterate.call(context, item, index, rest)) {
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removeKeys.push(index)
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}
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})
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if (isArray(obj)) {
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lastEach(removeKeys, function (item, key) {
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rest.push(obj[item])
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obj.splice(item, 1)
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})
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} else {
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rest = {}
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arrayEach(removeKeys, function (key) {
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rest[key] = obj[key]
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helperDeleteProperty(obj, key)
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})
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}
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return rest
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}
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return clear(obj)
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}
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return obj
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}
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module.exports = remove
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