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Detect whether a terminal supports color
Check if something is a Node.js stream
Check if the character represented by a given Unicode code point is fullwidth
Check if argv has a specific flag
Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)
Get details about the current Continuous Integration environment
Check if a file path is a binary file
Check if the process is running inside a Docker container
Detect whether the terminal supports Unicode
Detect the file type of a file, stream, or data
Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc
- runtime
- environment
- env
- execution
- engine
- platform
- context
- js
- javascript
- is
- check
- checking
- detect
- detection
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Check if something is a generator function
Detect Node.JS (as opposite to browser environment). ESM modification
Check if stdout or stderr is interactive
Detect the indentation of code
Check if the process is running inside a container (Docker/Podman)
Detect whether or not an object is a Typed Array
Detect whether a terminal supports hyperlinks
Detect if your code is running on an AWS Lambda server
Detect Node.JS (as opposite to browser environment) (reliable)