@momsfriendlydevco/repl NPM

MFDC-REPL

MFDC's own internal REPL command line interface.

This project provides the executable mrepl which has the following functionality over regular REPL:

Babel pre-compiler (babel plugin) - All code is automatically compiled via BabelJS before it is run - making things like arrow functions available on older Node releases
Lodash (lodash plugin) - lodash is provided as lodash, l and __
Moment (moment plugin) - moment is provided as moment
Mongoose project support (mongoose plugin) - If the files ./config/index.js, ./config/db.js and ./models/index.js are found they are loaded in that order (with ./models/index.js expected to return an object containing the available compiled schemas. Models are then provided in the db object. e.g. db.users.find() will return all users.
STDIN slurping (stdin plugin) - Any piped input into the program is provied as the input variable. Automatic decoding of the variable will be attempted by JSON.parse() otherwise it will be a raw string.
History saving - History saing is enabled by default

Installation

Simply run the following:

sudo npm install -g @momsfriendlydevco/repl

You should now be able to run the REPL interface with:

mrepl

Plugins

Plugins are provided in the plugins/ folder within the main script file.

Each plugin is a simple JavaScript file which is expected to expose a function taking a callback and the main app argument. Each plugin can decorate the properties of the program and return the callback when finished.

Some usefully exposed properties:

Property path	Type	Default	Description
`app`	Object	Complex	The main application object - an instance of a `commander` definition
`app.verbose`	Number	0	Verbosity level
`app.plugin`	Array	`['./plugins']`	Globs to search for plugins
`app.repl`	Object	Complex	Repl options when creating the interface
`app.repl.globals`	Object	`{}`	Any exported globals that should be available inside the REPL session
`app.repl.eval`	Array	`[]`	Array of evaluation functions to run. Each Eval is run as a compose pipeline with the final output being returned to the REPL session
`inspect.depth`	Number	2	How deeply to examine objects when printing results to the console
`inspect.colors`	Boolean	`true`	Whether colors are enabled when printing results to the console

REPL MFDC CLI

async-chainable babel-core chalk commander glob lodash moment mongoose monoxide repl.history ttys

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