@goatlab/js-utils

A comprehensive collection of TypeScript utilities for both Node.js and browser environments. This package provides essential helpers for working with arrays, objects, strings, promises, HTTP requests, and more.

Installation

npm install @goatlab/js-utils
# or
yarn add @goatlab/js-utils
# or
pnpm add @goatlab/js-utils

Basic Usage

import { Arrays, Objects, Strings, Promises, Http } from '@goatlab/js-utils'

// Array utilities
const numbers = [1, 2, 3, 4, 5, 6]
const chunks = Arrays.chunk(numbers, 2) // [[1, 2], [3, 4], [5, 6]]
const first = Arrays.first(numbers) // 1
const last = Arrays.last(numbers) // 6

// Object utilities
const obj = { a: 1, b: 2, c: 3 }
const picked = Objects.pick(obj, ['a', 'c']) // { a: 1, c: 3 }
const omitted = Objects.omit(obj, ['b']) // { a: 1, c: 3 }
const isEmpty = Objects.isEmpty({}) // true

// String utilities
const camelCase = Strings.camelCase('hello-world') // 'helloWorld'
const snakeCase = Strings.snakeCase('helloWorld') // 'hello_world'
const truncated = Strings.truncate('long text here', 8) // 'long tex...'

// Promise utilities
const [err, result] = await Promises.try(fetchData())
const results = await Promises.map(items, async (item) => process(item), { concurrency: 3 })

// HTTP client (based on ky)
const client = Http.getClient({ 
  prefixUrl: 'https://api.example.com',
  timeout: 30000 
})
const data = await client.get('users').json()

Available Utilities

Core Utilities

• Arrays - chunk, first, last, flatten, uniq, sortBy, groupBy
• Objects - pick, omit, merge, isEmpty, deepEquals, mapValues, filterValues
• Strings - camelCase, snakeCase, kebabCase, truncate, before, after, template
• Numbers - round, random, inRange, clamp
• Functions - debounce, throttle, once, memoize
• Promises - try, map, props, retry, hang

Data & Collections

• Collection - Chainable collection operations
• Ids - UUID and nanoid generation
• Time - Time formatting (ms, since)
• Units - Unit conversions

Error Handling

• Errors - Error utilities and custom error classes
• AppError - Application-specific errors
• HttpError - HTTP-specific errors
• Assert - Assertion utilities

HTTP & Browser

• Http - HTTP client wrapper (ky-based)
• BrowserEvents - Browser event utilities

Advanced Features

• Is - Type checking utilities
• Memo - Memoization decorators
• Inspect - Object inspection utilities
• Changelogs - Changelog generation
• nGram - N-gram text analysis

Date & Time

• LocalDate - Date handling without time
• LocalTime - Time handling without date
• DateInterval - Date range operations
• TimeInterval - Time range operations