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13 packages found

Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

published version 0.12.5, 2 months ago33 dependents licensed under $MIT
2,090,106

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

published version 9.3.0, 2 years ago37 dependents licensed under $Artistic-2.0
1,067,805

TypeScript typeof utility helper with no dependencies.

published version 2.1.0, a year ago19 dependents licensed under $MIT
15,874

Detect whether a value is an error.

published version 2.1.2, 6 years ago6 dependents licensed under $MIT
2,154

ExtremeJS Utilities

published version 1.0.0-beta.22, a year ago3 dependents licensed under $MIT
809

helper tools for javascript validation

published version 2.4.0, 4 years ago0 dependents licensed under $MIT
284

An ESnext spec-compliant `Error.isError` shim/polyfill/replacement that works as far down as ES3

published version 1.0.1, a month ago0 dependents licensed under $MIT
129

A utility library for type checks and type manipulation in JavaScript and TypeScript, providing functions to determine types and verify values like null, undefined, boolean, number, and more.

published version 2.0.0, 22 days ago4 dependents licensed under $MIT
97

Type detection beyond `typeof`

published version 2.4.0, 3 years ago1 dependents licensed under $MIT
83

Simple and light-weight JavaScript type checker that brings convenience!

published version 1.0.12, 3 years ago0 dependents licensed under $MIT
38

A node.js module to get, compare and check types

published version 0.0.2, 11 years ago0 dependents
20

Check if the parameter is error

published version 1.0.3, 5 years ago0 dependents licensed under $MIT
19

Type check in TypeScript

published version 1.0.1, 5 years ago0 dependents licensed under $MIT
12