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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
Detects if a file exists and returns the resolved filepath.
The missing existential operator for JavaScript. Returns true unless a variable is null or undefined
Check to see if a directory exists
Asynchronous file system library with chainable Q promises for Node.js
A tool to check if files are added in a git repository
Test whether a path exists on the filesystem.
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
If the key exists then get it's value. Otherwise put the key and value in the db and then get the value.