node/test/module-hooks/test-module-hooks-import-wa...

36 lines
1.1 KiB
JavaScript

// Flags: --no-experimental-wasm-modules
// This tests that module.registerHooks() can be used to support unknown formats, like
// import(wasm) (without --experimental-wasm-modules).
import '../common/index.mjs';
import assert from 'node:assert';
import { registerHooks, createRequire } from 'node:module';
import { readFileSync } from 'node:fs';
registerHooks({
load(url, context, nextLoad) {
assert.match(url, /simple\.wasm$/);
const source =
`const buf = Buffer.from([${Array.from(readFileSync(new URL(url))).join(',')}]);
const compiled = new WebAssembly.Module(buf);
const { exports } = new WebAssembly.Instance(compiled);
export default exports;
export { exports as 'module.exports' };
`;
return {
shortCircuit: true,
source,
format: 'module',
};
},
});
// Checks that it works with require.
const require = createRequire(import.meta.url);
const { add } = require('../fixtures/simple.wasm');
assert.strictEqual(add(1, 2), 3);
// Checks that it works with import.
const { default: { add: add2 } } = await import('../fixtures/simple.wasm');
assert.strictEqual(add2(1, 2), 3);