Function set

packages/svelte/src/internal/client/reactivity/props.js:59–66

(target, key)

		return target.props[key];
	},
	set(target, key) {
		if (DEV) {
			// TODO should this happen in prod too?
			e.props_rest_readonly(`${target.name}.${String(key)}`);
		}

		return false;
	},
	getOwnPropertyDescriptor(target, key) {
		if (target.exclude.has(key)) return;
		if (key in target.props) {