Compartment global acessor before imports, & multiple imports() calls per compartment

README.md

Compartment dynamic import & multiple imports per compartment

Output

mod1
getting g1: g1 original value
g1 original value
setting g1: g1 original value -> new value 1
mod1 done.
mod2
getting g1: new value 1
new value 1
setting g1: new value 1 -> new value 2
mod2 done.

gistfile1.txt

trace("mod2\n");
trace(globalThis.g1 + '\n');
globalThis.g1 = 'new value';
trace('mod2 done.\n');

import.js

// Allows new Compartment("import").global.import("foo")
globalThis.import = async function(specifier) {
  return import(specifier);
}

main.js

let g1Value = 'g1 original value';

const c1 = new Compartment("import");

Object.defineProperty(c1.global, 'g1', {
  get() {
    trace(`getting g1: ${g1Value}\n`);
    return g1Value;
  },
  set(v) {
    trace(`setting g1: ${g1Value} -> ${v}\n`);
    g1Value = v;
  },
});

c1.global.import("mod1");
c1.global.import("mod2");

manifest.json

{
	"include": "$(MODDABLE)/examples/manifest_base.json",
	"modules": {
		"*": [
			"./main",
			"./mod1",
			"./mod2",
			"./import",
		],
	},
	"preload": [
	],
}

mod1.js

trace("mod1\n");
trace(globalThis.g1 + '\n');
globalThis.g1 = 'new value 1';
trace('mod1 done.\n');

mod2.js

trace("mod2\n");
trace(globalThis.g1 + '\n');
globalThis.g1 = 'new value 2';
trace('mod2 done.\n');