isobject
Returns true if the value is an object and not an array or null.
Latest release 4.0.0 - Updated - 46 stars
is-glob
Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it...
Latest release 4.0.1 - Updated - 44 stars
file-type
Detect the file type of a Buffer/Uint8Array/ArrayBuffer
Latest release 11.0.0 - Updated - 995 stars
is-plain-object
Returns true if an object was created by the `Object` constructor.
Latest release 3.0.0 - Updated - 71 stars
is-stream
Check if something is a Node.js stream
Latest release 2.0.0 - Updated - 65 stars
kind-of
Get the native type of a value.
Latest release 6.0.2 - Updated - 118 stars
is-wsl
Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)
Latest release 2.1.0 - Updated - 67 stars
is-number
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, u...
Latest release 7.0.0 - Updated - 99 stars
path-is-absolute
Node.js 0.12 path.isAbsolute() ponyfill
Latest release 2.0.0 - Updated - 31 stars
is-fullwidth-code-point
Check if the character represented by a given Unicode code point is fullwidth
Latest release 3.0.0 - Updated - 26 stars
is-svg
Check if a string or buffer is SVG
Latest release 4.2.0 - Updated - 68 stars
is-plain-obj
Check if a value is a plain object
Latest release 2.0.0 - Updated - 46 stars
is-absolute-url
Check if an URL is absolute
Latest release 3.0.0 - Updated - 37 stars
@sindresorhus/is
Type check values: `is.string('🦄') //=> true`
Latest release 0.13.0 - Updated - 697 stars
istextorbinary
Determine if a filename and/or buffer is text or binary. Smarter detection than the other solutions.
Latest release 2.5.1 - Updated - 49 stars
is-ip
Check if a string is an IP address
Latest release 3.1.0 - Updated - 46 stars
is-binary-path
Check if a file path is a binary file
Latest release 2.1.0 - Updated - 26 stars
is-obj
Check if a value is an object
Latest release 2.0.0 - Updated - 23 stars
is-primitive
Returns `true` if the value is a primitive.
Latest release 3.0.1 - Updated - 18 stars
is-windows
Returns true if the platform is windows. UMD module, works with node.js, commonjs, browser, AMD, ...
Latest release 1.0.2 - Updated - 16 stars
is-accessor-descriptor
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
Latest release 3.0.1 - Updated - 10 stars
is-data-descriptor
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Latest release 2.0.0 - Updated - 9 stars
is-online
Check if the internet connection is up
Latest release 8.2.0 - Updated - 473 stars
has-yarn
Check if a project is using Yarn
Latest release 2.1.0 - Updated - 82 stars
is-docker
Check if the process is running inside a Docker container
Latest release 2.0.0 - Updated - 67 stars
is-builtin-module
Check if a string matches the name of a Node.js builtin module
Latest release 3.0.0 - Updated - 25 stars
p-is-promise
Check if something is a promise
Latest release 2.1.0 - Updated - 22 stars
is-png
Check if a Buffer/Uint8Array is a PNG image
Latest release 2.0.0 - Updated - 18 stars
is-npm
Check if your code is running as an npm script
Latest release 3.0.0 - Updated - 18 stars
is-absolute
Returns true if a file path is absolute. Does not rely on the path module and can be used as a po...
Latest release 1.0.0 - Updated - 14 stars
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