checkin other ncc generated files

dist/fixasync.js

@@ -0,0 +1,83 @@
+'use strict';
+
+// eslint-disable-next-line no-invalid-this, no-shadow
+const {GeneratorFunction, AsyncFunction, AsyncGeneratorFunction, global, internal, host, hook} = this;
+const {Contextify, Decontextify} = internal;
+// eslint-disable-next-line no-shadow
+const {Function, eval: eval_, Promise, Object, Reflect} = global;
+const {getOwnPropertyDescriptor, defineProperty, assign} = Object;
+const {apply: rApply, construct: rConstruct} = Reflect;
+
+const FunctionHandler = {
+	__proto__: null,
+	apply(target, thiz, args) {
+		const type = this.type;
+		args = Decontextify.arguments(args);
+		try {
+			args = Contextify.value(hook(type, args));
+		} catch (e) {
+			throw Contextify.value(e);
+		}
+		return rApply(target, thiz, args);
+	},
+	construct(target, args, newTarget) {
+		const type = this.type;
+		args = Decontextify.arguments(args);
+		try {
+			args = Contextify.value(hook(type, args));
+		} catch (e) {
+			throw Contextify.value(e);
+		}
+		return rConstruct(target, args, newTarget);
+	}
+};
+
+function makeCheckFunction(type) {
+	return assign({
+		__proto__: null,
+		type
+	}, FunctionHandler);
+}
+
+function override(obj, prop, value) {
+	const desc = getOwnPropertyDescriptor(obj, prop);
+	desc.value = value;
+	defineProperty(obj, prop, desc);
+}
+
+const proxiedFunction = new host.Proxy(Function, makeCheckFunction('function'));
+override(Function.prototype, 'constructor', proxiedFunction);
+if (GeneratorFunction) {
+	Object.setPrototypeOf(GeneratorFunction, proxiedFunction);
+	override(GeneratorFunction.prototype, 'constructor', new host.Proxy(GeneratorFunction, makeCheckFunction('generator_function')));
+}
+if (AsyncFunction) {
+	Object.setPrototypeOf(AsyncFunction, proxiedFunction);
+	override(AsyncFunction.prototype, 'constructor', new host.Proxy(AsyncFunction, makeCheckFunction('async_function')));
+}
+if (AsyncGeneratorFunction) {
+	Object.setPrototypeOf(AsyncGeneratorFunction, proxiedFunction);
+	override(AsyncGeneratorFunction.prototype, 'constructor', new host.Proxy(AsyncGeneratorFunction, makeCheckFunction('async_generator_function')));
+}
+
+global.Function = proxiedFunction;
+global.eval = new host.Proxy(eval_, makeCheckFunction('eval'));
+
+if (Promise) {
+
+	Promise.prototype.then = new host.Proxy(Promise.prototype.then, makeCheckFunction('promise_then'));
+	// This seems not to work, and will produce
+	// UnhandledPromiseRejectionWarning: TypeError: Method Promise.prototype.then called on incompatible receiver [object Object].
+	// This is likely caused since the host.Promise.prototype.then cannot use the VM Proxy object.
+	// Contextify.connect(host.Promise.prototype.then, Promise.prototype.then);
+
+	if (Promise.prototype.finally) {
+		Promise.prototype.finally = new host.Proxy(Promise.prototype.finally, makeCheckFunction('promise_finally'));
+		// Contextify.connect(host.Promise.prototype.finally, Promise.prototype.finally);
+	}
+	if (Promise.prototype.catch) {
+		Promise.prototype.catch = new host.Proxy(Promise.prototype.catch, makeCheckFunction('promise_catch'));
+		// Contextify.connect(host.Promise.prototype.catch, Promise.prototype.catch);
+	}
+
+}