Inspect JS

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78 repositories

is-core-module
Public
Is this specifier a node.js core module?
node module core is
JavaScript
•
MIT License
•9•24•1•1•Updated Dec 21, 2024Dec 21, 2024
is-negative-zero
Public
Is this value negative zero? === will lie to you.
javascript is zero negative
JavaScript
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MIT License
•6•18•1•0•Updated Dec 20, 2024Dec 20, 2024
available-regexp-flags
Public
Which regular expression flags does the current environment support?
unicode regex regexp sticky global multiline ignorecase flags dotall hasindices
JavaScript
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MIT License
•1•6•1•0•Updated Dec 20, 2024Dec 20, 2024
data-view-byte-length
Public
Get the byteLength out of a DataView, robustly.
JavaScript
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MIT License
•0•2•1•0•Updated Dec 20, 2024Dec 20, 2024
data-view-buffer
Public
Get the ArrayBuffer out of a DataView, robustly.
JavaScript
•
MIT License
•0•2•1•0•Updated Dec 20, 2024Dec 20, 2024
array-buffer-byte-length
Public
Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.
polyfill byte arraybuffer shim bytelength length es-shims es-shim
JavaScript
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MIT License
•0•2•1•0•Updated Dec 20, 2024Dec 20, 2024
is-data-view
Public
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.
javascript data view ecmascript dataview typedarray typedarrays
JavaScript
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MIT License
•0•2•1•0•Updated Dec 19, 2024Dec 19, 2024
data-view-byte-offset
Public
Get the byteOffset out of a DataView, robustly.
JavaScript
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MIT License
•0•2•1•0•Updated Dec 19, 2024Dec 19, 2024
is-array-buffer
Public
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.
is buffer array ecmascript arraybuffer javascript
JavaScript
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MIT License
•5•13•0•0•Updated Dec 19, 2024Dec 19, 2024
is-well-known-symbol
Public
Is this value a well-known Symbol?
javascript ecmascript symbol well-known
JavaScript
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MIT License
•1•2•1•0•Updated Dec 19, 2024Dec 19, 2024
typed-array-byte-offset
Public
Robustly get the byte offset of a Typed Array.
JavaScript
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MIT License
•0•5•1•0•Updated Dec 19, 2024Dec 19, 2024
which-typed-array
Public
Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
JavaScript
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MIT License
•4•11•1•0•Updated Dec 18, 2024Dec 18, 2024
has-bigints
Public
Determine if the JS environment has BigInt support.
JavaScript
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MIT License
•5•8•1•0•Updated Dec 18, 2024Dec 18, 2024
is-typed-array
Public
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.
javascript ecmascript typedarray typedarrays
JavaScript
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MIT License
•7•12•1•0•Updated Dec 18, 2024Dec 18, 2024
is-shared-array-buffer
Public
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.
is buffer array shared sharedarraybuffer javascript ecmascript
JavaScript
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MIT License
•2•3•1•0•Updated Dec 18, 2024Dec 18, 2024
typed-array-buffer
Public
Get the ArrayBuffer out of a TypedArray, robustly.
JavaScript
•
MIT License
•0•4•1•0•Updated Dec 18, 2024Dec 18, 2024
typed-array-byte-length
Public
Get the byte length of a Typed Array, even in engines without a `.byteLength` method.
array typed bytelength typed-array
JavaScript
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MIT License
•0•0•1•0•Updated Dec 17, 2024Dec 17, 2024
typed-array-length
Public
Robustly get the length of a Typed Array.
JavaScript
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MIT License
•2•7•1•0•Updated Dec 17, 2024Dec 17, 2024
has-typed-arrays
Public
Determine if the JS environment has Typed Arrays.
JavaScript
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MIT License
•1•2•1•0•Updated Dec 17, 2024Dec 17, 2024
get-symbol-description
Public
Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.
javascript ecmascript description symbol
JavaScript
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MIT License
•2•3•2•0•Updated Dec 17, 2024Dec 17, 2024
is-weakset
Public
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
javascript map set collection ecmascript weakmap weakset js-weakset
JavaScript
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MIT License
•1•3•1•0•Updated Dec 17, 2024Dec 17, 2024
is-finalizationregistry
Public
Is this value a JS FinalizationRegistry? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
is finalization finalizationregistry javascript
JavaScript
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MIT License
•1•2•1•0•Updated Dec 17, 2024Dec 17, 2024
is-registered-symbol
Public
Is this value a Symbol stored in the global cross-realm Symbol registry?
javascript registry ecmascript symbol registered keyfor
JavaScript
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MIT License
•1•4•1•0•Updated Dec 16, 2024Dec 16, 2024
has-dynamic-import
Public
Does the current environment have `import()` support?
detect modules dynamic import esmodules esm has javascript ecmascript
JavaScript
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MIT License
•1•3•1•0•Updated Dec 16, 2024Dec 16, 2024
which-boxed-primitive
Public
Which kind of boxed JS primitive is this?
JavaScript
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MIT License
•2•7•1•0•Updated Dec 16, 2024Dec 16, 2024
is-number-object
Public
Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
is number boxed js-number
JavaScript
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MIT License
•3•8•1•0•Updated Dec 16, 2024Dec 16, 2024
is-string
Public
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
javascript string object
JavaScript
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MIT License
•3•20•2•0•Updated Dec 16, 2024Dec 16, 2024
is-weakref
Public
Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
JavaScript
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MIT License
•2•3•1•0•Updated Dec 13, 2024Dec 13, 2024
which-builtin-type
Public
What is the type of this builtin JS value?
JavaScript
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MIT License
•1•3•1•0•Updated Dec 13, 2024Dec 13, 2024
is-symbol
Public
Is this an ES6 Symbol value?
javascript is boxed symbol es6-symbol
JavaScript
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MIT License
•5•18•1•0•Updated Dec 13, 2024Dec 13, 2024