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#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
Tagged “is”Ranked by health index
npm
45Weakhealth index
sindresorhus/path-type
Check if a path is a file, directory, or symlink
JavaScript · TypeScript★ 80↓ 383M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
44Weakhealth index
sindresorhus/is-builtin-module
Check if a string matches the name of a Node.js builtin module
JavaScript · TypeScript★ 63↓ 41.8M/moAug 31, 2026
MITAug 31, 2026 · metrics 2.10.0
npm
42Weakhealth index
sindresorhus/is-binary-path
Check if a file path is a binary file
JavaScript★ 49↓ 378M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
41Weakhealth index
Qix-/node-is-arrayish
Check if an object can be used like an Array
CoffeeScript · JavaScript★ 17↓ 478M/moAug 22, 2026
MITAug 22, 2026 · metrics 2.10.0
npm
41Weakhealth index
sindresorhus/is-installed-globally
Check if your package was installed globally
JavaScript★ 71↓ 96.4M/moAug 31, 2026
MITAug 31, 2026 · metrics 2.10.0
npm
39Weakhealth index
sindresorhus/is-stream
Check if something is a Node.js stream
JavaScript · TypeScript★ 116↓ 709M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
38Weakhealth index
sindresorhus/is-obj
Check if a value is an object
JavaScript · TypeScript★ 42↓ 207M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
36Weakhealth index
sindresorhus/is-inside-container
Check if the process is running inside a container (Docker/Podman)
JavaScript · TypeScript★ 74↓ 168M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
36Weakhealth index
sindresorhus/is-plain-obj
Check if a value is a plain object
JavaScript · TypeScript★ 106↓ 450M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
36Weakhealth index
sindresorhus/is-regexp
Check if a value is a regular expression
JavaScript · TypeScript★ 26↓ 112M/moAug 31, 2026
MITAug 31, 2026 · metrics 2.10.0
npm
35Weakhealth index
sindresorhus/environment
Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc
JavaScript★ 167↓ 143M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
35Weakhealth index
sindresorhus/is-generator-fn
Check if something is a generator function
JavaScript · TypeScript★ 24↓ 158M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
35Weakhealth index
sindresorhus/is-interactive
Check if stdout or stderr is interactive
JavaScript · TypeScript★ 118↓ 259M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
31At Riskhealth index
jonschlinkert/is-extendable
Answers the question: "can this value have keys?". Returns true if a value is any of the object types: array, regexp, plain object, function or date. Useful for determining if a value is an object that can be extended.
JavaScript★ 19↓ 229M/moAug 29, 2026
MITAug 29, 2026 · metrics 2.10.0
npm
31At Riskhealth index
jonschlinkert/isobject
Is the value an object, and not an array or null?
JavaScript★ 107↓ 242M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
26At Riskhealth index
jonschlinkert/is-plain-object
Returns true if the given value is an object created by the Object constructor.
HTML · JavaScript★ 158↓ 291M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
25At Riskhealth index
jonschlinkert/kind-of
Get the native JavaScript type of a value, fast. Used by superstruct, micromatch and many others!
JavaScript★ 354↓ 477M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
20At Riskhealth index
hughsk/is-typedarray
Detect whether or not an object is a Typed Array
JavaScript★ 21↓ 145M/moAug 4, 2026
Custom licenseAug 4, 2026 · metrics 2.10.0
npm
20At Riskhealth index
jonschlinkert/is-number
JavaScript/Node.js utility. Returns `true` if the value is a number or string number. Useful for checking regex match results, user input, parsed strings, etc.
JavaScript★ 284↓ 704M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
12Criticalhealth index
jonschlinkert/is-windows
Returns true if the platform is Windows (and Cygwin or MSYS/MinGW for unit tests)
JavaScript★ 49↓ 142M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
12Criticalhealth index
sindresorhus/path-is-absolute
Node.js 0.12 path.isAbsolute() ponyfill
JavaScript★ 43↓ 361M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0