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inspect-js

Packages 77

  • has-strict-mode

    Does the current JS environment have strict mode? ES5+ should; but let's not assume.

    ljharb
    published 1.0.1 3 years ago

  • has-symbols

    Determine if the JS environment has Symbol support. Supports spec, or shams.

    ljharb
    published 1.0.3 2 years ago

  • has-template-literals

    Determine if the JS environment has template literal support.

    ljharb
    published 1.0.1 3 years ago

  • has-tostringtag

    Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.

    ljharb
    published 1.0.2 3 months ago

  • has-typed-arrays

    Does this environment have JS Typed Arrays?

    ljharb
    published 1.0.1 3 years ago

  • is

    the definitive JavaScript type testing library

    ljharb
    published 3.3.0 5 years ago

  • is-accessor-descriptor

    Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.

    ljharb
    published 3.0.5 6 months ago

  • is-arguments

    Is this an arguments object? It's a harder question than you think.

    ljharb
    published 1.1.1 3 years ago

  • is-array-buffer

    Is this value a JS ArrayBuffer?

    ljharb
    published 3.0.4 3 months ago

  • is-arrow-function

    Determine if a function is an ES6 arrow function or not.

    ljharb
    published 2.0.3 9 years ago

  • is-async-function

    Determine if a function is a native async function.

    ljharb
    published 2.0.0 2 years ago

  • is-bigint

    Is this value an ES BigInt?

    ljharb
    published 1.0.4 3 years ago

  • is-boolean-object

    Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

    ljharb
    published 1.1.2 3 years ago

  • is-boxed-primitive

    Is this value a boxed primitive? Shim for node's util.isBoxedPrimitive.

    ljharb
    published 1.0.1 3 years ago

  • is-callable

    Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

    ljharb
    published 1.2.7 2 years ago

  • is-core-module

    Is this specifier a node.js core module?

    ljharb
    published 2.13.1 6 months ago

  • is-data-descriptor

    Returns true if a value has the characteristics of a valid JavaScript data descriptor.

    ljharb
    published 2.1.3 6 months ago

  • is-data-view

    Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

    ljharb
    published 1.0.1 3 months ago

  • is-date-object

    Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

    ljharb
    published 1.0.5 3 years ago

  • is-descriptor

    Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.

    ljharb
    published 3.1.1 6 months ago

  • is-equal

    Are these two values conceptually equal?

    ljharb
    published 1.7.0 6 months ago

  • is-finalizationregistry

    Is this value a JS FinalizationRegistry? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

    ljharb
    published 1.0.2 3 years ago

  • is-generator-function

    Determine if a function is a native generator function.

    ljharb
    published 1.0.10 3 years ago

  • is-map

    Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

    ljharb
    published 2.0.3 2 months ago

  • is-nan

    ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

    ljharb
    published 1.3.2 3 years ago
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