46 lines
1.5 KiB
Java
46 lines
1.5 KiB
Java
var helperCreateTreeFunc = require('./helperCreateTreeFunc')
|
|
|
|
var arrayEach = require('./arrayEach')
|
|
|
|
var assign = require('../object/assign')
|
|
|
|
function searchTreeItem (parentAllow, parent, obj, iterate, context, path, node, parseChildren, opts) {
|
|
var paths, nodes, rest, isAllow, hasChild
|
|
var rests = []
|
|
var hasOriginal = opts.original
|
|
var mapChildren = opts.mapChildren || parseChildren
|
|
arrayEach(obj, function (item, index) {
|
|
paths = path.concat(['' + index])
|
|
nodes = node.concat([item])
|
|
isAllow = parentAllow || iterate.call(context, item, index, obj, paths, parent, nodes)
|
|
hasChild = parseChildren && item[parseChildren]
|
|
if (isAllow || hasChild) {
|
|
rest = hasOriginal ? item : assign({}, item)
|
|
}
|
|
if (isAllow || hasChild) {
|
|
rest[mapChildren] = searchTreeItem(isAllow, item, item[parseChildren], iterate, context, paths, nodes, parseChildren, opts)
|
|
if (isAllow || rest[mapChildren].length) {
|
|
rests.push(rest)
|
|
}
|
|
} else if (isAllow) {
|
|
rests.push(rest)
|
|
}
|
|
})
|
|
return rests
|
|
}
|
|
|
|
/**
|
|
* 从树结构中根据回调查找数据
|
|
*
|
|
* @param {Object} obj 对象/数组
|
|
* @param {Function} iterate(item, index, items, path, parent, nodes) 回调
|
|
* @param {Object} options {children: 'children'}
|
|
* @param {Object} context 上下文
|
|
* @return {Array}
|
|
*/
|
|
var searchTree = helperCreateTreeFunc(function (parent, obj, iterate, context, path, nodes, parseChildren, opts) {
|
|
return searchTreeItem(0, parent, obj, iterate, context, path, nodes, parseChildren, opts)
|
|
})
|
|
|
|
module.exports = searchTree
|