Requiring Modules
The -r flag can be used to require a module in the node cli.
A Module
// my-module.js
console.log("this is a module, module loaded!");use -r flag to load the module, then start the node shell with the module in memory ->
node -r ./my-module.js
dummy module loaded!
Welcome to Node.js v14.15.0.
Type ".help" for more information.
>Naming export content
// function-export.js
module.export = thisFn = () => console.log("thisFn ran from module!");require THAT module with node:
node -r ./function-export.js
# this will show...
Welcome to Node.js v14.15.0.
Type ".help" for more information.notice that unlike the first example, this does not show any content from the module. Here, the module exports a function that can be used by other parts of node. Like....
#
# Using the module in the repl
#
# require the module and start node
node -r ./function-export.js
# this will show, the node repl...
Welcome to Node.js v14.15.0.
Type ".help" for more information.
>
# USE the function exported from the module