Module Loader

This module loader allows loading ESM modules from HTTP and data: URLs.

A brief chart of what is allowed to import what:

flowchart LR
    http(Http URL)
    data(Data URL)
    file(File URL)
    relative(Relative URL)
    node_modules(node_modules)
    builtins(Node.js builtins)

    http --> http
    http --> data
    http --> relative

    data --> http
    data --> data

    file --> file
    file --> http
    file --> data
    file --> node_modules
    file --> builtins
    file --> relative

Loading

• file: modules can import:

  • other file: modules
  • http: modules
  • data: modules
  • node_modules modules
  • Node.js builtins
  • relative URLs (e.g. ./foo.js)

• http: modules can import:

  • other http: modules
  • data: modules
  • relative URLs (e.g. ./foo.js)

• data: modules can import:

  • other data: modules
  • http: modules

Usage

Via Node.js CLI:

node --import @nodescript/module-loader/register ./entrypoint.js

Or in mocharc.json:

{
    "require": [
        "@nodescript/module-loader/register"
    ]
}