util-helpers/lib/transformFieldNames.js

一个基于业务场景的工具方法库

'use strict';

var tslib = require('tslib');
var ut2 = require('ut2');
var native = require('./utils/native.js');

function transformFieldNames(data, fieldNames, childrenField, nodeAssign) {
    if (nodeAssign === void 0) { nodeAssign = 'spread'; }
    if (!ut2.isArray(data)) {
        return data;
    }
    if (data.length <= 0) {
        return [];
    }
    function recusion(arr) {
        return arr.map(function (item) {
            if (!ut2.isObject(item)) {
                return item;
            }
            var newItem = nodeAssign === 'spread' ? tslib.__assign({}, item) : item;
            var delKeys = [];
            if (childrenField && ut2.isArray(newItem[childrenField]) && newItem[childrenField].length > 0) {
                newItem[childrenField] = recusion(newItem[childrenField].slice());
            }
            var newKeys = native.objectKeys(fieldNames);
            newKeys.forEach(function (newKey) {
                var oldKey = fieldNames[newKey];
                if (oldKey in newItem) {
                    newItem[newKey] = newItem[oldKey];
                    if (newKeys.indexOf(oldKey) === -1) {
                        delKeys.push(oldKey);
                    }
                }
            });
            if (delKeys.length > 0) {
                delKeys.forEach(function (delKey) {
                    delete newItem[delKey];
                });
            }
            return newItem;
        });
    }
    return recusion(data.slice());
}

module.exports = transformFieldNames;