Add Propertie To Object If Property Exists In Another Object Using Lodash

I have two objects and I need to add properties to one object based on match from properties of another: var dependsOn= { qTableIdent: { //Exter

Solution 1:

The solution using Object.keys and Array.indexOf functions:

var dependsOn = {
        qTableIdent: {'RHID': 'RHID', 'SEQ': 'NOME'},
        qTableDocs: {'RHID': 'RHID', 'DOC': 'DOC2'}
    },
    tableCols = [
        {
            "targets": 1,
            "title": 'RHID',
            "label": 'RHID',
            "data": 'RHID',
            "name": 'RHID',
            "width": "5%",
            "filter": true,
            "defaultContent": "",
            attr: {'name': 'rhid'}
        }
    ],
    newProps = {"visible": false, "type": 'hidden'},  // new properties to insert
    dataKeys = [];

Object.keys(dependsOn).forEach(function(k) {
    Object.keys(dependsOn[k]).forEach(function(key) {
        if (dataKeys.indexOf(key) === -1) {
            dataKeys.push(key);
        }
    });
});
// dataKeys now contains unique keys list: ["RHID", "SEQ", "DOC"]

tableCols.forEach(function(obj) {
    if (dataKeys.indexOf(obj['data']) !== -1) {
    Object.keys(this).forEach((k) => obj[k] = this[k]);
    }
}, newProps);

console.log(JSON.stringify(tableCols, 0, 4));    

console.log(JSON.stringify(tableCols, 0 , 4));

The output example for a single object inside 'tableCols' array:

[{"targets":1,"title":"RHID","label":"RHID","data":"RHID","name":"RHID","width":"5%","filter":true,"defaultContent":"","attr":{"name":"rhid"},"visible":false,"type":"hidden"}]