utils-sutv

A comprehensive collection of utility functions for common JavaScript/TypeScript operations including string manipulation, object/array handling, URL processing, and more.

Opinionated collection of common TypeScript utils by @sutv

Installation

# npm
npm install utils-sutv

# or yarn
yarn add utils-sutv

Features

| Category | Function | Description | | -------------- | -------------------------- | ----------------------------------------------------- | | DOM | scrollToTop() | Smoothly scrolls to the top of the page | | | getSearchParams() | Extracts selected parameters from URL | | | downloadUrl() | Download binary resources based on URL | | | download() | Download binary resources in the browser | | Formatting | kFormatter() | Formats numbers to compact form (e.g. 1500 → "1.5k") | | | bytesToSize() | Converts bytes to human-readable size (e.g. "1.5 MB") | | | slugify() | Converts string to URL-friendly slug | | | truncate() | Truncates text with ellipsis (...) | | | toCamelCase() | Converts string to camelCase format | | URL | isValidUrl() | Validates URL strings | | Object | removeUndefinedAndNull() | Removes null/undefined properties from object | | | pickObj() | Picks specific properties from object | | | omitObj() | Omits specific properties from object | | | isObject() | Checks if value is a non-null object | | | getNestedValueObj() | Safely gets nested object property | | | removeUndefinedObj() | Removes undefined properties (shallow) | | Array | removeDuplicateItems() | Removes duplicate items by key | | | groupByArr() | Groups array items by specified key | | | sortBy() | Sorts array of objects by key | | | keyBy() | Creates object from array using key selector | | General | uuidv4() | Generates UUID v4 string | | | isNil() | Checks if value is null or undefined | | | isBlank() | Checks if a string is empty | | | isEmail() | Checks if a string is a valid email address |

Usage

import { scrollToTop, kFormatter, slugify, groupByArr, getSearchParams } from 'utils-sutv';

// Scroll to top smoothly
scrollToTop();

// Format numbers
kFormatter(1500); // "1.5k"

// Create URL slugs
slugify('Hello World!'); // "hello-world"

// Group array items
const people = [
  { name: 'Alice', age: 25 },
  { name: 'Bob', age: 25 },
];
groupByArr(people, 'age'); // {25: [...]}

// Get URL params
getSearchParams(['id', 'page']); // {id: '123', page: '1'}

License

MIT © sutv