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sindresorhus/is-safe-filenameJavaScript

Check if a filename is safe to use in a path join operation

Last commit Jan 25, 2026

 (13 stars) (2 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-safe-integerJavaScript

ES2015 Number.isSafeInteger() ponyfill

Last commit Jan 23, 2021

 (19 stars) (2 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-scopedJavaScript

Check if a string is a scoped npm package name

Last commit Jul 9, 2022

 (25 stars) (5 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-streamJavaScript

Check if something is a Node.js stream

Last commit Oct 28, 2024

 (116 stars) (22 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-supported-regexp-flagJavaScript

Check whether a RegExp flag is supported. Mostly useful for `y` and `u`.

Last commit Jul 9, 2022

 (8 stars) (6 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-svgJavaScript

Check if a string or buffer is SVG

Last commit Feb 15, 2026

 (144 stars) (21 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-text-pathJavaScript

Check if a file path is a text file

Last commit Apr 30, 2024

 (21 stars) (5 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-tifJavaScript

Check if a Buffer/Uint8Array is a TIFF image

Last commit Aug 9, 2021

 (11 stars) (5 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-travisJavaScript

Check if your code is running on Travis

Last commit Mar 11, 2024

 (15 stars) (3 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-unicode-supportedJavaScript

Detect whether the terminal supports Unicode

Last commit Sep 9, 2024

 (86 stars) (9 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-upJavaScript

Check whether a website is up or down

Last commit Sep 18, 2021

 (390 stars) (15 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-up-cliJavaScript

Check whether a website is up or down

Last commit Apr 23, 2022

 (367 stars) (17 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-url-superbJavaScript

Check if a string is a URL

Last commit Jun 21, 2023

 (87 stars) (7 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-videoJavaScript

Check if a filepath is a video file

Last commit Apr 30, 2024

 (31 stars) (4 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-waylandJavaScript

Check if the current Linux session is using Wayland

Last commit Sep 23, 2025

 (19 stars) (2 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-webpJavaScript

Check if a Buffer/Uint8Array is a WebP image

Last commit Sep 18, 2021

 (21 stars) (4 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is-wslJavaScript

Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)

Last commit Feb 15, 2026

 (198 stars) (10 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/is64bitJavaScript

Check if the operating system CPU architecture is 64-bit or 32-bit (Supports browsers)

Last commit Jun 1, 2024

 (48 stars) (3 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/issue-regexJavaScript

Regular expression for matching issue references

Last commit Sep 26, 2024

 (49 stars) (6 forks) (0 indexed issues) (0 open good first issues)
sindresorhus/iterm2-snazzy

Elegant iTerm2 theme with bright colors

Last commit Aug 25, 2021

 (1,568 stars) (66 forks) (0 indexed issues) (0 open good first issues)