const SOURCES = {

__proto__: null,

'test:Array': ['1', '2'], // both `1,2` and `12` are valid ESM

'test:ArrayBuffer': new ArrayBuffer(0),

'test:BigInt64Array': new BigInt64Array(0),

'test:BigUint64Array': new BigUint64Array(0),

'test:Float32Array': new Float32Array(0),

'test:Float64Array': new Float64Array(0),

'test:Int8Array': new Int8Array(0),

'test:Int16Array': new Int16Array(0),

'test:Int32Array': new Int32Array(0),

'test:null': null,

'test:Object': {},

'test:SharedArrayBuffer': new SharedArrayBuffer(0),

'test:string': '',

'test:String': new String(''),

'test:Uint8Array': new Uint8Array(0),

'test:Uint8ClampedArray': new Uint8ClampedArray(0),

'test:Uint16Array': new Uint16Array(0),

'test:Uint32Array': new Uint32Array(0),

'test:undefined': undefined,

}

export function resolve(specifier, context, next) {

if (specifier.startsWith('test:')) {

return {

importAttributes: context.importAttributes,

shortCircuit: true,

url: specifier,

};

}

return next(specifier);

}

export function load(href, context, next) {

if (href.startsWith('test:')) {

return {

format: 'module',

shortCircuit: true,

source: SOURCES[href],

};

}

return next(href);

}