ahmehri

import groupBy from 'lodash.groupby';

// How to find duplicates, e.g in this example by "label"
// from
// [
//   { label: "brand", key: "1" },
//   { label: "brand", key: "2" },
//   { label: "state", key: "3" }
//   { label: "state", key: "4" },
//   { label: "uniq", key: "5" },

ahmehri

const mapValues = require("lodash.mapvalues");

// How to convert an object of elements to an array without losing the object
// keys?
// e.g going from
// {
//   "attr-enum-sfa": { mode: "UPDATE", value: undefined },
//   "attr-set-enum-sfa": { mode: "ADD_VALUES", value: undefined },
//   "attr-text-sfa-s": { mode: "UPDATE", value: undefined }
// }

ahmehri

const { keyBy, mapKeys } = require("lodash");

let result;

const current = {
  firstName: "Ahmed",
  lastName: "Mehri",
  age: 30
};

ahmehri

const { assign, cloneDeep } = require('lodash');

let obj = {
  type: {
    values: {
      results: [1, 2]
    }
  }
};
let copy;

ahmehri

const crypto = require('crypto');

const bytes = crypto.randomBytes(8);
bytes

console.log(bytes.toString('hex'))

ahmehri

const queryString = require('query-string');

const result = queryString.stringify({
  status: 'ready',
  page: 0,
  filterByQuery: 'filter',
})

result

ahmehri

const normalizr = require('normalizr');

const job = new normalizr.schema.Entity('jobs');

// normalizing []
const result = normalizr.normalize([], job);
console.log(result);
console.log(result.entities.jobs);

// normalizing {}

ahmehri

const _ = require('lodash');

let original = [1, 2];
// 2 has been removed, 3 has been added
let after = [1, 3];
console.log('removal:', _.difference(original, after));
console.log('addition:', _.difference(after, original));

ahmehri

const queryString = require('query-string');

const result = queryString.stringify({ name: 'ahmed', items: [1] });
result;

const arrayFormat = queryString.stringify(
  { name: 'ahmed', items: [1] },
  { arrayFormat: 'bracket' }
);
arrayFormat;

ahmehri

const _ = require('lodash');

function customizer(objValue, srcValue) {
  if (_.isArray(objValue)) {
    return srcValue;
  }
}

var object = { ids: [1] };
var other = { ids: [] };