Recurring functions

Recurring functions that are usually found and used on Stackoverflow or other code sharing websites. Exported function are not minified so please use a minifier/bundler if you use any.

• No dependencies
• Written in Typescript
• Short aliases for all function names

npm i recurring-functions

Functions

Function names and there aliases are unique. They also documented for autocompletion with typedoc. More information or credits can be found in each function.

addToArrayIfNotExists

Add value to array if the value does not exists (no objects);

import { addToArrayIfNotExists } from 'recurring-functions';

addToArrayIfNotExists([1, 2, 3], 3);

// output: [1,2,3]

Aliases: addToArrIfNotExi ataine

capitalizeFirstLetter

Capitalize the first letter of a string / text

import { capitalizeFirstLetter } from 'recurring-functions';

capitalizeFirstLetter('some text');

// output: "Some text"

Aliases: capFirLet cfl

deepCopy

Deep copy of object or array

import { deepCopy } from 'recurring-functions';

deepCopy({});

// output: {}

Aliases: deeCop dc

distanceGeoPoints

This routine calculates the distance between two points (given the latitude/longitude of those points). It is being used to calculate the distance between two locations using GeoDataSource (TM) products

import { deepCopy } from 'recurring-functions';

distanceGeoPoints(59.3293371, 13.4877472, 59.3225525, 13.4619422, 'K');

// output: 1.6467140606313462

Aliases: disGeoPoi dgp

mergeArraysByKey

Merges two or more arrays of objects into a single array by merging objects with the same key

import { mergeArraysByKey } from 'recurring-functions';

const arr1 = [{ resourceId: '1' }, { resourceId: '2' }];
const arr2 = [{ resourceId: '2' }, { resourceId: '3' }];
mergeArraysByKey('resourceId', arr1, arr2);

// output: [{resourceId: "1"},{resourceId: "2"},{resourceId: "3"}]

Aliases: merArrByKey mabk

randomNumberBetween

Get a random number between 2 numbers

import { randomNumberBetween } from 'recurring-functions';

randomNumberBetween(1, 5);

// e.g. output: 4

Aliases: radNumBet rnb

removeElementsByClass

Removes items from dom by class name. Requires: document, works only in browsers.

import { removeElementsByClass } from 'recurring-functions';

removeElementsByClass('popup');

Aliases: remEleByCla rebc

shortenLargeNumber

Shorten large number similar to youtube views.

import { shortenLargeNumber } from 'recurring-functions';

shortenLargeNumber(300000);

// output: 300k

Aliases: shoLarNum sln

sleep

Function for testing e.g. loading time in a async function.

import { sleep } from 'recurring-functions';

async function test() {
  const date = new Date().getTime();
  await sleep(1000);
  return new Date().getTime() - date >= 1000 ? true : false;
}

test();

// output: true

Aliases: sle s

Test

If you want to test the functions run the test command

npm run test

Pull requests

Feel free to do one