JS Utils

This project is a collection of utilities meant to extend lodash, collected from my other Typescript projects, lightly documented, and heavily tested.

Contents

• JS Utils
  • Contents
  • Status
  • Releases
  • Usage
  • Features

Status

Releases

Usage

Install:

yarn add -D @apextoaster/js-utils

And import:

import { mustExist } from '@apextoaster/js-utils';

The library is bundled and depends on lodash, linked in a vendor module.

Features

• array mapper
  • map elements to keys by order
  • skip initial, gather remaining
• async
  • defer
  • promise timeout
  • wait for predicate
• async tracker
  • track and log leaking async resources for tests
• buffer
• checklist
  • include/exclude mode (whitelist/blacklist)
• child process
  • wait for exit and gather output
  • write and flush
• env
  • check DEBUG
• list
  • concat lists
• logger
  • get test logger (null or console depending on DEBUG)
• map
  • must get (assertion)
  • get or default
  • get head from list value
  • get head or default
  • set or push to key
  • merge maps
  • push-merge maps
  • convert dict to map and vice versa
  • normalize map values to lists
  • create map from name-value pairs
• maybe
  • is nil test (negative nil test)
  • count array or maybe
  • filter nil from list
  • must find (assertion)
  • does exist (positive nil test)
  • must exist (assertion)
  • must default (assertion)
• pid file
  • write pid file
  • delete pid file
• reflect
  • get constructor name
  • get methods from prototype chain
• signals
  • wait for OS signal
• string
  • left pad (please don't import just for this)
  • trim with suffix