Utility libraries

12-month change compares the average of the last 4 weeks of downloads with the first 4 weeks of the 52-week series. Gzip size is for the whole package, as measured by Bundlephobia. "-" means the value has not been fetched.

• @timescaledb/utilsThis package contains utilities like formatting and escaping sql strings plus other helper functions.
• @sapphire/cronA cron utility library for JavaScript.
• @stdlib/assert-is-matrix-likeTest if a value is a 2-dimensional ndarray-like object.
• @stdlib/string-remove-wordsRemove a list of words from a string.
• typescript-monadsWrite cleaner TypeScript
• @stdlib/assert-is-vector-likeTest if a value is a 1-dimensional ndarray-like object.
• @dvcol/svelte-utilsSvelte library for common utility functions and constants
• rollup-utilsA set of utility functions commonly used by Rollup plugins
• ultrascoreOpinionated oxlint plugin that enforces the underscore standard: every low-level concern (schemas, enums, tables, providers, repositories, ...) is exiled into one `_` folder behind a single namespace import, so the rest of the codebase reads as pure high-
• react-haikuReact Hook & Utility Library
• @bootstrap-styled/utilsUMD module for helper functions used as utilities for bootstrap-styled and other related modules
• countrystatesjsA utility library for returning state/province data given a country
• expandRecursively resolve templates in an object, string or array.
• @stdlib/ndarray-dtypeReturn the data type of a provided ndarray.
• @fdograph/rut-utilitiesFully typed set of utility functions to parse, validate and generate a Chilean R.U.T. Set de funciones utilitarias para generar, procesar y validar un R.U.T. Chileno completamente tipado.
• @liskhq/lisk-transactionsUtility functions related to transactions according to the Lisk protocol
• templateRender templates using any engine. Supports, layouts, pages, partials and custom template types. Use template helpers, middleware, routes, loaders, and lots more. Powers assemble, verb and other node.js apps.
• node-geometry-libraryJavascript Geometry Library provides utility functions for the computation of geometric data on the surface of the Earth. Code ported from Google Maps Android API.
• swc-plugin-another-transform-importsAnother wasm swc transform imports plugin
• just-templateinterpolate a string with variables
• dom-nodesList of all the available DOM and SVG nodes and helper functions to quickly test against them
• @stdlib/os-platformPlatform on which the current process is running.
• @stdlib/assert-is-windowsBoolean indicating if the current process is running on Windows.
• @sapphire/bitfieldA bitfield utility library for JavaScript.
• handlebars-ramda-helpersProvide powerful data processing capabilities for handlebars, by adding the ramda function as helpers.
• @date/generatorCalculate dates with easy to read helper functions
• moment-utlMoment.js utilities.
• next-utilsCollection of handy utility functions for working within a Next.js project.
• template-helpersGeneric JavaScript helpers that can be used with any template engine. Handlebars, Lo-Dash, Underscore, or any engine that supports helper functions.
• @stdlib/ndarray-base-assert-is-read-onlyTest if an ndarray is read-only.
• @stdlib/ndarray-base-assert-is-equal-data-typeTest whether two values are equal data types.
• @compas/stdlibAll kinds of utility functions
• @stdlib/assert-is-empty-collectionTest if a value is an empty collection.
• @stdlib/ndarray-base-assert-is-signed-integer-data-typeTest if an input value is a supported ndarray signed integer data type.
• @stdlib/ndarray-base-assert-is-unsigned-integer-data-typeTest if an input value is a supported ndarray unsigned integer data type.
• @stdlib/ndarray-base-assert-is-real-floating-point-data-typeTest if an input value is a supported ndarray real-valued floating-point data type.
• @stdlib/ndarray-base-assert-is-boolean-data-typeTest if an input value is a supported ndarray boolean data type.
• desandro-classieclass helper functions
• @stdlib/ndarray-base-assert-is-boolean-index-data-typeTest if an input value is a supported ndarray boolean index data type.
• @stdlib/ndarray-base-assert-is-floating-point-data-typeTest if an input value is a supported ndarray floating-point data type.
• @stdlib/ndarray-base-assert-is-numeric-data-typeTest if an input value is a supported ndarray numeric data type.
• @stdlib/ndarray-base-assert-is-mask-index-data-typeTest if an input value is a supported ndarray mask index data type.
• @stdlib/ndarray-base-assert-is-integer-data-typeTest if an input value is a supported ndarray integer data type.
• @stdlib/ndarray-base-assert-is-integer-index-data-typeTest if an input value is a supported ndarray integer index data type.
• topkat-utilsA comprehensive collection of TypeScript/JavaScript utility functions for common programming tasks. Includes validation, object manipulation, date handling, string formatting, and more. Zero dependencies, fully typed, and optimized for performance.
• @signality/coreA foundational toolkit for Angular Signals
• @stdlib/ndarray-base-assert-is-output-data-type-policyTest if an input value is a supported ndarray output data type policy.
• @solana/mosaic-sdkSDK for Mosaic with helper functions for issuance and management of any token
• frepFind and replace utility for node.js. Transform strings by running multiple RegExp or string find-and-replace patterns on a string in sequence, reducing the final string to the accumulated result of each transformation. Patterns can be strings (or arrays
• debounce-actionCreate a debounced Redux action

• es-toolkit vs lodash
• remeda vs lodash
• ts-toolbelt vs type-fest
• ts-essentials vs type-fest
• type-fest vs utility-types
• type-fest vs just-diff
• es-toolkit vs remeda
• fp-ts vs true-myth
• ts-toolbelt vs ts-essentials
• fp-ts vs neverthrow
• just-diff vs true-myth
• neverthrow vs true-myth
• ts-toolbelt vs true-myth
• ts-toolbelt vs ts-prune
• type-fest vs true-myth
• utility-types vs just-diff