Function evalInRealmAndReturn

test/fixtures/wpt/encoding/streams/realms.window.js:94–98

(realm, code)

// The same as evalInRealmAndWait but returns the result of evaluating "code" as
// an expression.
async function evalInRealmAndReturn(realm, code) {
  const myId = id();
  await evalInRealmAndWait(realm, `window.${myId} = ${code};`);
  return realm[myId];
}

// Constructs an object in constructedRealm and copies it into readRealm and
// writeRealm. Returns the id that can be used to access the object in those