Utility libraries

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• @stdlib/utils-define-read-only-propertyDefine a read-only property.
• eslint-plugin-fpESLint rules for functional programming
• read-file-stdinRead from a file, falling back to stdin.
• @nomicfoundation/ethereumjs-utilA collection of utility functions for Ethereum
• logging-helpersBasic template helpers for printing messages out to the console. Useful for debugging context in templates. Should work with any template engine.
• helper-markdownMarkdown template helper. Uses remarkable to render markdown in templates. Should work with Handlebars, Lo-Dash or any template engine that supports helper functions.
• mocked-envEasy way to mock process.env during BDD testing
• @vuedx/template-ast-typesHelper functions for Vue template AST
• omit-emptyRecursively omit empty properties from an object. Omits empty objects, arrays, strings or zero.
• patronum☄️ Effector utility library delivering modularity and convenience
• react-recomposeA React utility belt for function components and higher-order components
• liciaUseful utility collection with zero dependencies
• babel-plugin-external-helpersThis plugin contains helper functions that’ll be placed at the top of the generated code
• lodash-decoratorsA collection of decorators using lodash at it's core.
• @stdlib/assert-is-nonnegative-integerTest if a value is a number having a nonnegative integer value.
• ends-withReturns `true` if the given `string` or `array` ends with `suffix` using strict equality for comparisons.
• fast-is-equalBlazing-fast equality checks, minus the baggage. A lean, standalone alternative to Lodash's isEqual—because speed matters.
• @videojs/utilsUtility functions and helpers for Video.js
• just-map-valuesmap an object, predicate updates values, receives (value, key, object)
• @stdlib/math-base-assert-is-finiteTest if a double-precision floating-point numeric value is finite.
• @stdlib/assert-is-integerTest if a value is a number having an integer value.
• @stdlib/math-base-assert-is-nanfTest if a single-precision floating-point numeric value is NaN.
• just-kebab-caseconvert a string to kebab case
• @stdlib/math-base-assert-is-finitefTest if a single-precision floating-point numeric value is finite.
• @stdlib/number-float32-base-exponentReturn an integer corresponding to the unbiased exponent of a single-precision floating-point number.
• @stdlib/napi-argvC utilities for retrieving Node-API add-on callback arguments.
• @stdlib/number-float32-base-to-float16Convert a single-precision floating-point number to the nearest half-precision floating-point number.
• @stdlib/number-float16-base-to-float32Convert a half-precision floating-point number to the nearest single-precision floating-point number.
• @stdlib/number-float16-base-to-float64Convert a half-precision floating-point number to the nearest double-precision floating-point number.
• @stdlib/number-float64-base-to-float16Convert a double-precision floating-point number to the nearest half-precision floating-point number.
• deepdash➔ 𝐃eep standalone lib / 𝐋odash extension: ✓ eachDeep ✓ filterDeep ✓ mapDeep ✓ reduceDeep ✓ pickDeep ✓ omitDeep ✓ keysDeep ✓ index ✓ condenseDeep ⋮ Parents stack ⋮ Circular check ⋮ Leaves only mode ⋮ Children mode ⋮ cherry-pick ⋮ esm
• unist-util-find-all-beforeunist utility to find nodes before another node
• its-nameGiven (Mocha) test object, walks it up to give you list of context names
• core-decoratorsLibrary of JavaScript stage-0 decorators (aka ES2016/ES7 decorators but that's not accurate!) inspired by languages that come with built-ins like @​override, @​deprecate, @​autobind, @​mixin and more! Works great with React/Angular/more!
• @stdlib/assert-is-nanTest if a value is NaN.
• streaming-iterablesA collection of utilities for async iterables. Designed to replace your streams.
• wanakanaUtility library for converting between Kanji, Hiragana, Katakana, and Romaji
• ngxtensionUtilities library for Angular
• @wessberg/stringutilA collection of helper functions for working with strings
• react-flatten-childrenReact utility to flatten fragments.
• @stdlib/assert-is-uint8clampedarrayTest if a value is a Uint8ClampedArray.
• replace-lastJavaScript replaceLast function - Replaces last match for pattern in string with replacement
• type-plusProvides additional types for TypeScript.
• @stdlib/assert-is-positive-integerTest if a value is a number having a positive integer value.
• just-comparecompare two collections
• lodash-match-patternValidates a deep structured JSON pattern
• @stdlib/assert-is-collectionTest if a value is a collection.
• @zerodev/sdkA utility library for working with ERC-4337
• @naoak/workerize-transferableHelper functions for workerlize-loader to support transferables
• @stdlib/assert-has-int8array-supportDetect native Int8Array support.

• 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