lodash chunk code example

Example 1: how to collect keys using lodash javascript

import * as _ from 'lodash';

const objectMap = {'key1': 'value1', 'key2': 'value2'};
const allKeys = _.keys(objectMap); //Returns a string[]. Here it will be ['key1','key2'];

Example 2: lodash merge

import merge from 'lodash/merge'

let object = {  'a': [{ 'b': 2 }, { 'd': 4 }]}; 
let other = {  'a': [{ 'c': 3 }, { 'e': 5 }]}; 
merge(object, other); // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }

Example 3: lodash map

const _quote_filter = _.map(quote_state, (val, key) => {   if (val) {      return key   }})console.log(_quote_filter) //=> [ 'btc', undefined, undefined ]