mirror of https://github.com/sveltejs/svelte
Rich Harris
2 years ago
commit
0673db01e6
@ -0,0 +1,5 @@
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---
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'svelte': patch
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---
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feat: add `$state.link` rune
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@ -0,0 +1,5 @@
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---
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"svelte": patch
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---
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fix: small legibility improvement in `Snippet` type hint
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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export default test({
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html: `<button>0</button><button>0</button><button>false</button>`,
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test({ assert, target }) {
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const [btn1, btn2, btn3] = target.querySelectorAll('button');
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flushSync(() => btn1.click());
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assert.htmlEqual(
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target.innerHTML,
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`<button>1</button><button>1</button><button>false</button>`
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);
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flushSync(() => btn2.click());
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assert.htmlEqual(
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target.innerHTML,
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`<button>1</button><button>2</button><button>false</button>`
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);
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flushSync(() => btn3.click());
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assert.htmlEqual(target.innerHTML, `<button>1</button><button>2</button><button>true</button>`);
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flushSync(() => btn1.click());
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assert.htmlEqual(target.innerHTML, `<button>2</button><button>2</button><button>true</button>`);
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flushSync(() => btn1.click());
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assert.htmlEqual(target.innerHTML, `<button>3</button><button>2</button><button>true</button>`);
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flushSync(() => btn1.click());
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flushSync(() => btn3.click());
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assert.htmlEqual(
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target.innerHTML,
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`<button>4</button><button>4</button><button>false</button>`
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);
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}
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});
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<script>
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let a = $state(0);
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let b = $state.link(a, (value) => {
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if (c) return;
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b = value;
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});
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let c = $state(false);
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</script>
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<button onclick={() => a++}>{a}</button>
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<button onclick={() => b++}>{b}</button>
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<button onclick={() => c = !c}>{c}</button>
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@ -0,0 +1,19 @@
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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export default test({
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html: `<button>0</button><button>0</button>`,
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test({ assert, target }) {
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const [btn1, btn2] = target.querySelectorAll('button');
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flushSync(() => btn1.click());
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assert.htmlEqual(target.innerHTML, `<button>1</button><button>1</button>`);
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flushSync(() => btn2.click());
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assert.htmlEqual(target.innerHTML, `<button>1</button><button>2</button>`);
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flushSync(() => btn1.click());
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assert.htmlEqual(target.innerHTML, `<button>2</button><button>2</button>`);
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}
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});
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@ -0,0 +1,11 @@
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<script>
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class Instance {
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a = $state(0);
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b = $state.link(this.a);
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}
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const instance = new Instance();
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</script>
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<button onclick={() => instance.a++}>{instance.a}</button>
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<button onclick={() => instance.b++}>{instance.b}</button>
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@ -0,0 +1,24 @@
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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export default test({
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html: `<button>0</button><button>0</button><button>0</button>`,
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test({ assert, target }) {
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const [btn1, btn2, btn3] = target.querySelectorAll('button');
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flushSync(() => btn1.click());
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assert.htmlEqual(target.innerHTML, `<button>1</button><button>1</button><button>1</button>`);
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// mutate the original object, via the link
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flushSync(() => btn2.click());
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assert.htmlEqual(target.innerHTML, `<button>2</button><button>2</button><button>2</button>`);
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// mutate the copy
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flushSync(() => btn3.click());
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assert.htmlEqual(target.innerHTML, `<button>2</button><button>2</button><button>3</button>`);
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flushSync(() => btn1.click());
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assert.htmlEqual(target.innerHTML, `<button>3</button><button>3</button><button>3</button>`);
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}
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});
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@ -0,0 +1,9 @@
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<script>
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let a = $state({ value: 0 });
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let b = $state.link(a);
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let c = $state.link({ ...a });
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</script>
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<button onclick={() => a.value++}>{a.value}</button>
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<button onclick={() => b.value++}>{b.value}</button>
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<button onclick={() => c.value++}>{c.value}</button>
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@ -0,0 +1,19 @@
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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export default test({
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html: `<button>0</button><button>0</button>`,
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test({ assert, target }) {
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const [btn1, btn2] = target.querySelectorAll('button');
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flushSync(() => btn1.click());
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assert.htmlEqual(target.innerHTML, `<button>1</button><button>1</button>`);
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flushSync(() => btn2.click());
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assert.htmlEqual(target.innerHTML, `<button>1</button><button>2</button>`);
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flushSync(() => btn1.click());
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assert.htmlEqual(target.innerHTML, `<button>2</button><button>2</button>`);
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}
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});
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@ -0,0 +1,7 @@
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<script>
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let a = $state(0);
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let b = $state.link(a);
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</script>
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<button onclick={() => a++}>{a}</button>
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<button onclick={() => b++}>{b}</button>
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