Object destructuring literal properties test on const tags

test/runtime/samples/const-tag-await-then-destructuring-literals/_config.js

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+export default {
+	html: '<div>12 120 70, 30+4=34</div>',
+	async test({ component, target, assert }) {
+		component.promise1 = Promise.resolve({width: 5, height: 6});
+		component.promise2 = Promise.reject({width: 6, height: 7});
+
+		await Promise.resolve();
+		assert.htmlEqual(target.innerHTML, `
+			<div>30 300 110, 50+6=56</div>
+			<div>42 420 130, 60+7=67</div>
+		`);
+
+		component.constant = 20;
+		assert.htmlEqual(target.innerHTML, `
+			<div>30 600 220, 100+6=106</div>
+			<div>42 840 260, 120+7=127</div>
+		`);
+	}
+};

test/runtime/samples/const-tag-await-then-destructuring-literals/main.svelte

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+<script>
+	export let promise1 = {width: 3, height: 4};
+	export let promise2 = {width: 5, height: 7};
+	export let constant = 10;
+
+	function calculate(width, height, constant) {
+		return { 'the-area': width * height, 'the-volume': width * height * constant };
+	}
+</script>
+
+{#await promise1 then { width, height }}
+	{@const {'the-area': area, 'the-volume': volume} = calculate(width, height, constant)}
+	{@const perimeter = (width + height) * constant}
+	{@const { 0: _width, 1: _height, 2: sum } = [width * constant, height, width * constant + height]}
+	<div>{area} {volume} {perimeter}, {_width}+{_height}={sum}</div>
+{/await}
+
+{#await promise2 catch { width, height }}
+	{@const {'the-area': area, 'the-volume': volume} = calculate(width, height, constant)}
+	{@const perimeter = (width + height) * constant}
+	{@const { 0: _width, 1: _height, 2: sum } = [width * constant, height, width * constant + height]}
+	<div>{area} {volume} {perimeter}, {_width}+{_height}={sum}</div>
+{/await}

test/runtime/samples/const-tag-each-destructure-literals/_config.js

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+export default {
+	html: `
+		<div>12 120 70, 30+4=34</div>
+		<div>35 350 120, 50+7=57</div>
+		<div>48 480 140, 60+8=68</div>
+	`,
+	async test({ component, target, assert }) {
+		component.constant = 20;
+
+		assert.htmlEqual(target.innerHTML, `
+			<div>12 240 140, 60+4=64</div>
+			<div>35 700 240, 100+7=107</div>
+			<div>48 960 280, 120+8=128</div>
+		`);
+
+		component.boxes = [
+			{width: 3, height: 4},
+			{width: 4, height: 5},
+			{width: 5, height: 6},
+			{width: 6, height: 7}
+		];
+
+		assert.htmlEqual(target.innerHTML, `
+			<div>12 240 140, 60+4=64</div>
+			<div>20 400 180, 80+5=85</div>
+			<div>30 600 220, 100+6=106</div>
+			<div>42 840 260, 120+7=127</div>
+		`);
+	}
+};

test/runtime/samples/const-tag-each-destructure-literals/main.svelte

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+<script>
+	export let boxes = [
+		{width: 3, height: 4},
+		{width: 5, height: 7},
+		{width: 6, height: 8},
+	];
+	export let constant = 10;
+
+	function calculate(width, height, constant) {
+		return { 'the-area': width * height, 'the-volume': width * height * constant };
+	}
+</script>
+
+{#each boxes as { width, height }}
+	{@const { 'the-area': area, 'the-volume': volume } = calculate(width, height, constant)}
+	{@const perimeter = (width + height) * constant}
+	{@const { 2: sum, 0: _width, 1: _height } = [width * constant, height, width * constant + height]}
+	<div>{area} {volume} {perimeter}, {_width}+{_height}={sum}</div>
+{/each}