util-helpers/lib/findTreeSelect.js

一个基于业务场景的工具方法库

'use strict';

var ut2 = require('ut2');

function internalFindTreeSelect(tree, predicate, childrenField, path) {
    if (path === void 0) { path = []; }
    var result = [];
    if (ut2.isArray(tree)) {
        ut2.forEach(tree, function (item) {
            path.push(item);
            if (predicate(item)) {
                result = path;
                return false;
            }
            if (ut2.isObject(item)) {
                var childs = item[childrenField];
                if (ut2.isArray(childs) && childs.length > 0) {
                    var findChildren = internalFindTreeSelect(childs, predicate, childrenField, path);
                    if (findChildren.length > 0) {
                        result = findChildren;
                        return false;
                    }
                }
            }
            path.pop();
        });
    }
    return result;
}
function findTreeSelect(tree, predicate, childrenField) {
    if (childrenField === void 0) { childrenField = 'children'; }
    return internalFindTreeSelect(tree, predicate, childrenField);
}

module.exports = findTreeSelect;