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Asserts that a module exists
Extended `open` command with default dir set to current
deep checking for existence
insert a batch of keys if and only if none of the keys already exist
Returns true if a npm package exists in global node_modules.
an async/await exists
If the key exists then get it's value. Otherwise put the key and value in the db and then get the value.
Global namespace and object traversal system
Check if a PID exists.
Checks if given path is a valid URL and resource exists
Check if a path exists with a Promise
Verify if command exists on linux.
An appendable array with file persistance/listeners, producer/consumer and inter process capabilities
Node module to check if local file path contains a specified folder name using NodeJS
A small library to check if a YouTube video exists.
checks if value exists in array or string returning boolean
Validity style validator to ensure a separate entity exists when being added to the current entity
Check if a url exists
A custom matcher to be extended by Jest, to allow you to check existence of enzyme selectors