svelte/test/js/samples/dev-warning-missing-data-computed/expected.js

/* generated by Svelte vX.Y.Z */
import {
	SvelteComponentDev,
	add_location,
	append,
	detach,
	element,
	init,
	insert,
	noop,
	safe_not_equal,
	set_data,
	space,
	text
} from "svelte/internal";

const file = undefined;

function create_fragment(ctx) {
	var p, t0_value = Math.max(0, ctx.foo), t0, t1, t2;

	return {
		c: function create() {
			p = element("p");
			t0 = text(t0_value);
			t1 = space();
			t2 = text(ctx.bar);
			add_location(p, file, 7, 0, 67);
		},

		l: function claim(nodes) {
			throw new Error("options.hydrate only works if the component was compiled with the `hydratable: true` option");
		},

		m: function mount(target, anchor) {
			insert(target, p, anchor);
			append(p, t0);
			append(p, t1);
			append(p, t2);
		},

		p: function update(changed, ctx) {
			if ((changed.foo) && t0_value !== (t0_value = Math.max(0, ctx.foo))) {
				set_data(t0, t0_value);
			}

			if (changed.bar) {
				set_data(t2, ctx.bar);
			}
		},

		i: noop,
		o: noop,

		d: function destroy(detaching) {
			if (detaching) {
				detach(p);
			}
		}
	};
}

function instance($$self, $$props, $$invalidate) {
	let { foo } = $$props;

	let bar;

	const writable_props = ['foo'];
	Object.keys($$props).forEach(key => {
		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<Component> was created with unknown prop '${key}'`);
	});

	$$self.$set = $$props => {
		if ('foo' in $$props) $$invalidate('foo', foo = $$props.foo);
	};

	$$self.$$.update = ($$dirty = { foo: 1 }) => {
		if ($$dirty.foo) { $$invalidate('bar', bar = foo * 2); }
	};

	return { foo, bar };
}

class Component extends SvelteComponentDev {
	constructor(options) {
		super(options);
		init(this, options, instance, create_fragment, safe_not_equal, ["foo"]);

		const { ctx } = this.$$;
		const props = options.props || {};
		if (ctx.foo === undefined && !('foo' in props)) {
			console.warn("<Component> was created without expected prop 'foo'");
		}
	}

	get foo() {
		throw new Error("<Component>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
	}

	set foo(value) {
		throw new Error("<Component>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
	}
}

export default Component;