DefaultPrompt is the default prompt line prefix to use for user input querying.

HistoryFile is the file within the data directory to store input scrollback.

Stdin holds the stdin line reader (also using stdout for printing prompts).

Config is te collection of configurations to fine tune the behavior of the JavaScript console.

Console is a JavaScript interpreted runtime environment.

UserPrompter defines the methods needed by the console to promt the user for various types of inputs.

WordCompleter takes the currently edited line with the cursor position and returns the completion candidates for the partial word to be completed.