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'use strict';
// Flags: --experimental-vm-modules
const common = require('../common');
const assert = require('assert');
const { SourceTextModule } = require('vm');
async function testBasic() {
const m = new SourceTextModule('globalThis.importMeta = import.meta;', {
initializeImportMeta: common.mustCall((meta, module) => {
assert.strictEqual(module, m);
meta.prop = 42;
})
});
await m.link(common.mustNotCall());
await m.evaluate();
const result = globalThis.importMeta;
delete globalThis.importMeta;
assert.strictEqual(typeof result, 'object');
assert.strictEqual(Object.getPrototypeOf(result), null);
assert.strictEqual(result.prop, 42);
assert.deepStrictEqual(Reflect.ownKeys(result), ['prop']);
}
async function testInvalid() {
for (const invalidValue of [
null, {}, 0, Symbol.iterator, [], 'string', false
]) {
assert.throws(() => {
new SourceTextModule('', {
initializeImportMeta: invalidValue
});
}, {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
});
}
}
(async () => {
await testBasic();
await testInvalid();
})();
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