Diffusion Ant (master) Code

ant/tests/server_reference_bind_trace.mjs
dce8e2e6fb90master

server_reference_bind_trace.mjs
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			const knownServerReferences = new WeakMap();
			const FunctionBind = Function.prototype.bind;
			const ArraySlice = Array.prototype.slice;

			function defaultEncodeFormAction() {
			return { name: '$ACTION_ID_demo', method: 'POST' };
			}

			function registerBoundServerReference(reference, id) {
			if (knownServerReferences.has(reference)) return;

			knownServerReferences.set(reference, {
			id,
			originalBind: reference.bind,
			bound: null,
			});

			Object.defineProperties(reference, {
			$$FORM_ACTION: {
			value: defaultEncodeFormAction,
			},
			bind: {
			value: bind,
			},
			});
			}

			function bind() {
			const referenceClosure = knownServerReferences.get(this);
			if (!referenceClosure) return FunctionBind.apply(this, arguments);

			const newFn = referenceClosure.originalBind.apply(this, arguments);
			const args = ArraySlice.call(arguments, 1);

			knownServerReferences.set(newFn, {
			id: referenceClosure.id,
			originalBind: newFn.bind,
			bound: Promise.resolve(args),
			});

			Object.defineProperties(newFn, {
			$$FORM_ACTION: {
			value: this.$$FORM_ACTION,
			},
			bind: {
			value: bind,
			},
			});

			return newFn;
			}

			async function action(x) {
			return x;
			}

			registerBoundServerReference(action, 'demo');

			console.log(`action.bind.eq.custom:${action.bind === bind}`);
			console.log(`action.formAction.type:${typeof action.$$FORM_ACTION}`);

			const bound = action.bind(null, 1);

			console.log(`bound.type:${typeof bound}`);
			console.log(`bound.bind.eq.custom:${bound.bind === bind}`);
			console.log(`bound.formAction.type:${typeof bound.$$FORM_ACTION}`);
			console.log(`bound.formAction.name:${bound.$$FORM_ACTION ? bound.$$FORM_ACTION().name : 'missing'}`);

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