keywords:is - npm search

path-type

Check if a path is a file, directory, or symlink

sindresorhus

published version 6.0.0, 4 months ago

Maintenance: 33%. Quality: 54%. Popularity: 51%.

is-stream

Check if something is a Node.js stream

sindresorhus

published version 4.0.1, 9 months ago

Maintenance: 24%. Quality: 54%. Popularity: 55%.

is-array-buffer

Is this value a JS ArrayBuffer?

ljharb

published version 3.0.4, 10 months ago

Maintenance: 27%. Quality: 64%. Popularity: 46%.

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.

ljharb

published version 1.1.13, 10 months ago

Maintenance: 21%. Quality: 64%. Popularity: 47%.

is-negative-zero

Is this value negative zero? === will lie to you

ljharb

published version 2.0.3, 9 months ago

Maintenance: 18%. Quality: 64%. Popularity: 48%.

file-type

Detect the file type of a file, stream, or data

sindresorhus

published version 19.6.0, a month ago

Maintenance: 33%. Quality: 54%. Popularity: 44%.

is-shared-array-buffer

Is this value a JS SharedArrayBuffer?

ljharb

published version 1.0.3, 9 months ago

Maintenance: 18%. Quality: 64%. Popularity: 47%.

is-binary-path

Check if a file path is a binary file

sindresorhus

published version 3.0.0, 7 months ago

Maintenance: 18%. Quality: 54%. Popularity: 50%.

@sindresorhus/is

Type check values

sindresorhus

published version 7.0.1, 2 months ago

Maintenance: 33%. Quality: 54%. Popularity: 40%.

is-set

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

ljharb

published version 2.0.3, 8 months ago

Maintenance: 18%. Quality: 64%. Popularity: 43%.

is-map

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

ljharb

published version 2.0.3, 8 months ago

Maintenance: 18%. Quality: 64%. Popularity: 43%.

is-number

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

jonschlinkert

published version 7.0.0, 6 years ago

Maintenance: 2%. Quality: 62%. Popularity: 53%.

is-weakmap

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

ljharb

published version 2.0.2, 8 months ago

Maintenance: 18%. Quality: 64%. Popularity: 42%.

is-weakset

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

ljharb

published version 2.0.3, 8 months ago

Maintenance: 18%. Quality: 64%. Popularity: 42%.

is-fullwidth-code-point

Check if the character represented by a given Unicode code point is fullwidth

sindresorhus

published version 5.0.0, a year ago

Maintenance: 4%. Quality: 54%. Popularity: 56%.

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 bet