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samchon/typia
Super-fast/easy runtime validators and serializers via transformation
MITAug 28, 2026 · metrics 2.10.0
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Catalogue tag
#is
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
51 records
npm
sindresorhus/is
Type check values
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-accessor-descriptor
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
MITAug 4, 2026 · metrics 2.10.0
npm
sindresorhus/file-type
Detect the file type of a file, stream, or data
MITAug 13, 2026 · metrics 2.10.0
npm
seijikohara/switch-ts
Switch-case with support for complex conditions for TypeScript
MITJul 15, 2026 · metrics 2.10.0
npm
inspect-js/is-core-module
Is this specifier a node.js core module?
MITAug 4, 2026 · metrics 2.10.0
npm
syntax-tree/unist-util-is
utility to check if a node passes a test
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-generator-function
Is this an ES6 generator function?
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-regex
Is this value a JS regex?
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-symbol
Is this an ES6 Symbol value?
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-array-buffer
Is this value a JS ArrayBuffer? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-date-object
Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-typed-array
Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-boolean-object
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-number-object
Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-arguments
Is this an arguments object? It's a harder question than you think.
MITAug 29, 2026 · metrics 2.10.0
npm
inspect-js/is-bigint
Is this an ES BigInt value?
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-negative-zero
Is this value negative zero? === will lie to you.
MITAug 4, 2026 · metrics 2.10.0
npm
sindresorhus/is-wsl
Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-document.all
Is this value a `document.all`, eg, an object with the [IsHTMMLDDA]] internal slot?
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-set
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-weakset
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
MITAug 4, 2026 · metrics 2.10.0
npm
sindresorhus/is-fullwidth-code-point
Check if the character represented by a given Unicode code point is fullwidth
MITAug 4, 2026 · metrics 2.10.0
npm
micromatch/is-glob
If you use globs, this will make your code faster. Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a better user experience. 55+ million downloads.
MITAug 4, 2026 · metrics 2.10.0
npm
es-shims/object-is
ES6-compliant shim for Object.is - differentiates between -0 and +0, and can compare to NaN.
MITAug 31, 2026 · metrics 2.10.0
npm
inspect-js/is-finalizationregistry
Is this value a JS FinalizationRegistry? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-map
Is this value a JS Map? This module works cross-realm/iframe, and despite %Symbol.toStringTag%.
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-shared-array-buffer
Is this value a JS SharedArrayBuffer? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
MITAug 4, 2026 · metrics 2.10.0
npm
inspect-js/is-weakmap
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
MITAug 4, 2026 · metrics 2.10.0
npm
sindresorhus/is-docker
Check if the process is running inside a Docker container
MITAug 4, 2026 · metrics 2.10.0