importScripts("common_readableStreams.js"); function info(message) { postMessage({ type: "info", message }); } function ok(a, message) { postMessage({ type: "test", test: !!a, message }); } function is(a, b, message) { ok(a === b, message); } onmessage = function (e) { self[e.data](SAME_COMPARTMENT).then( ok => { postMessage({ type: "done" }); }, exc => { dump(exc); dump(exc.stack); postMessage({ type: "error", message: exc.toString() }); } ); };