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233 packages found
Get the first path that exists on disk of multiple paths
Check if a path exists
check whether a command line command exists in the current environment
Check if filepath exists and is a file
Check to see if a directory exists
The missing existential operator for JavaScript. Returns true unless a variable is null or undefined
Asynchronous file system library with chainable Q promises for Node.js
Detects if a file exists and returns the resolved filepath.
Test whether a path exists on the filesystem.
A tool to check if files are added in a git repository
A small package for consistently asserting if a value exists
Check for the existential value of a variable. Assign value by default.
Simple and consistent way to check if a file exists 🔎
insert a batch of keys if and only if none of the keys already exist
Check if a datum exists without reading its value.
fs.exists with ES6 Promise that is not deprecated
Allows you to optionally include modules without surrounding everything with 'try/catch'
checks if value exists in array or string returning boolean
Base functionality used throughout XY Labs TypeScript/JavaScript libraries