add hw2

node_modules/@tootallnate/quickjs-emscripten/dist/asyncify-helpers.js

@@ -0,0 +1,53 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.awaitEachYieldedPromise = exports.maybeAsync = exports.maybeAsyncFn = void 0;
+function* awaitYield(value) {
+    return (yield value);
+}
+function awaitYieldOf(generator) {
+    return awaitYield(awaitEachYieldedPromise(generator));
+}
+const AwaitYield = awaitYield;
+AwaitYield.of = awaitYieldOf;
+/**
+ * Create a function that may or may not be async, using a generator
+ *
+ * Within the generator, call `yield* awaited(maybePromise)` to await a value
+ * that may or may not be a promise.
+ *
+ * If the inner function never yields a promise, it will return synchronously.
+ */
+function maybeAsyncFn(that, fn) {
+    return (...args) => {
+        const generator = fn.call(that, AwaitYield, ...args);
+        return awaitEachYieldedPromise(generator);
+    };
+}
+exports.maybeAsyncFn = maybeAsyncFn;
+class Example {
+    constructor() {
+        this.maybeAsyncMethod = maybeAsyncFn(this, function* (awaited, a) {
+            yield* awaited(new Promise((resolve) => setTimeout(resolve, a)));
+            return 5;
+        });
+    }
+}
+function maybeAsync(that, startGenerator) {
+    const generator = startGenerator.call(that, AwaitYield);
+    return awaitEachYieldedPromise(generator);
+}
+exports.maybeAsync = maybeAsync;
+function awaitEachYieldedPromise(gen) {
+    function handleNextStep(step) {
+        if (step.done) {
+            return step.value;
+        }
+        if (step.value instanceof Promise) {
+            return step.value.then((value) => handleNextStep(gen.next(value)), (error) => handleNextStep(gen.throw(error)));
+        }
+        return handleNextStep(gen.next(step.value));
+    }
+    return handleNextStep(gen.next());
+}
+exports.awaitEachYieldedPromise = awaitEachYieldedPromise;
+//# sourceMappingURL=asyncify-helpers.js.map