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Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Check if something is a Node.js stream
Check if the character represented by a given Unicode code point is fullwidth
Detect whether the terminal supports Unicode
Check if argv has a specific flag
unist utility to recursively walk over nodes, with ancestral information
Returns true if an object was created by the `Object` constructor, or Object.create(null).
Returns true if a string has an extglob.
unist utility to check if a node passes a test
Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)
Type check values
Detect the file type of a Buffer/Uint8Array/ArrayBuffer
Check if a value is a plain object
Check if an input value is a ssh url or not.
JavaScript Standard Style - ESLint Shareable Config
- JavaScript Standard Style
- check
- checker
- code
- code checker
- code linter
- code standards
- code style
- enforce
- eslint
- eslintconfig
- hint
- jscs
- jshint
- View more
Get the native type of a value.
Check if your package was installed globally
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.