{"library":"necessary","title":"Necessary Utilities","description":"Necessary is a JavaScript utility library offering a curated collection of functions inspired by larger libraries like Lodash and Async. It aims to provide essential utilities with a relatively small footprint and transparent implementations, particularly for asynchronous operations, to aid debugging. The library, currently at version 17.1.8, features a clear separation of concerns, with distinct utility collections for browser-only environments (e.g., Ajax), Node.js-only environments (e.g., File System, Shell), and universal utilities usable in both (e.g., Array, String, Asynchronous). It exports utility collections as plain JavaScript objects, from which individual functions can be destructured. The project appears actively maintained with regular updates, although a specific release cadence isn't explicitly stated. Key differentiators include its modular structure, explicit environment targeting, and a focus on simplicity over feature breadth.","language":"javascript","status":"active","last_verified":"Sun Apr 19","install":{"commands":["npm install necessary"],"cli":null},"imports":["import { arrayUtilities } from 'necessary';","import { arrayUtilities } from 'necessary';\nconst { first } = arrayUtilities;","const { fileSystemUtilities } = require('necessary');","import { ajaxUtilities } from 'necessary';\nconst { get } = ajaxUtilities;"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"import { arrayUtilities, fileSystemUtilities } from 'necessary';\nimport path from 'path'; // Standard Node.js module\nimport fs from 'fs/promises'; // Standard Node.js module\n\nconst { first, last, unique } = arrayUtilities;\nconst { isDirectory, readFile } = fileSystemUtilities;\n\nasync function runExample() {\n  const numbers = [1, 2, 2, 3, 4, 4, 5];\n  console.log('Original array:', numbers);\n  console.log('First element:', first(numbers));\n  console.log('Last element:', last(numbers));\n  console.log('Unique elements:', unique(numbers));\n\n  const tempDir = path.join(process.cwd(), 'temp_necessary_test');\n  const tempFile = path.join(tempDir, 'test.txt');\n\n  try {\n    await fs.mkdir(tempDir, { recursive: true });\n    await fs.writeFile(tempFile, 'Hello from Necessary!');\n\n    console.log(`Checking if '${tempDir}' is a directory...`);\n    const dirCheck = await isDirectory(tempDir);\n    console.log(`Is directory: ${dirCheck}`);\n\n    console.log(`Reading content from '${tempFile}'...`);\n    const content = await readFile(tempFile);\n    console.log(`File content: ${content.toString()}`);\n\n  } catch (error) {\n    console.error('Error during file system operations:', error.message);\n  } finally {\n    // Clean up\n    await fs.rm(tempDir, { recursive: true, force: true });\n    console.log('Cleaned up temporary directory.');\n  }\n}\n\nrunExample();\n","lang":"typescript","description":"This example demonstrates how to import and use universal array utilities and Node.js-specific file system utilities, including creating and reading files/directories.","tag":null,"tag_description":null,"last_tested":null,"results":[]},"compatibility":null}