mirror of https://github.com/sveltejs/svelte
paoloricciuti
3 weeks ago
commit
ee30cc9214
@ -1,5 +0,0 @@
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---
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'svelte': patch
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---
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fix: `append_styles` in an effect to make them available on mount
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@ -1,5 +0,0 @@
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---
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'svelte': patch
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---
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chore: remove `parser.template_untrimmed`
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@ -1,5 +0,0 @@
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---
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'svelte': patch
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---
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fix: always inject styles when compiling as a custom element
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@ -0,0 +1,10 @@
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/** @import { AST } from '#compiler' */
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/** @import { Context } from '../types.js' */
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/**
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* @param {AST.Fragment} node
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* @param {Context} context
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*/
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export function Fragment(node, context) {
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context.next({ ...context.state, fragment: node });
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}
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@ -0,0 +1,20 @@
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/** @import { Expression, ForOfStatement, Pattern, Statement, VariableDeclaration } from 'estree' */
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/** @import { ComponentContext } from '../types' */
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import * as b from '#compiler/builders';
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import { dev, is_ignored } from '../../../../state.js';
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/**
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* @param {ForOfStatement} node
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* @param {ComponentContext} context
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*/
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export function ForOfStatement(node, context) {
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if (node.await && dev && !is_ignored(node, 'await_reactivity_loss')) {
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const left = /** @type {VariableDeclaration | Pattern} */ (context.visit(node.left));
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const argument = /** @type {Expression} */ (context.visit(node.right));
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const body = /** @type {Statement} */ (context.visit(node.body));
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const right = b.call('$.for_await_track_reactivity_loss', argument);
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return b.for_of(left, right, body, true);
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}
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context.next();
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}
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@ -0,0 +1,10 @@
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import { test } from '../../test';
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export default test({
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error: {
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code: 'snippet_invalid_export',
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message:
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'An exported snippet can only reference things declared in a `<script module>`, or other exportable snippets',
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position: [26, 29]
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}
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});
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@ -0,0 +1,11 @@
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<script module>
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export { foo }
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</script>
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<script>
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let x = 42;
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</script>
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{#snippet foo()}
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{x}
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{/snippet}
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@ -0,0 +1 @@
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<p>nested</p>
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@ -0,0 +1,8 @@
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import { test } from '../../test';
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export default test({
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errors: [
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'Failed to hydrate: ',
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new DOMException("Node can't be inserted in a #text parent.", 'HierarchyRequestError')
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]
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});
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@ -0,0 +1 @@
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<main><p>nested</p><!----></main>
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@ -0,0 +1,2 @@
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<!--[-->
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<main><p>nested</p><!----></main><!--]-->
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@ -0,0 +1,7 @@
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<script>
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import Nested from './Nested.svelte';
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</script>
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<main>
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<Nested />
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</main>
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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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test({ target, assert }) {
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const input = target.querySelector('input');
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const button = target.querySelector('button');
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assert.equal(input?.step, 'any');
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button?.click();
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flushSync();
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assert.equal(input?.step, '10');
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button?.click();
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flushSync();
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assert.equal(input?.step, 'any');
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}
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});
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@ -0,0 +1,6 @@
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<script>
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let step = "any";
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</script>
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<input type="range" {...{step}} />
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<button onclick={() => step = step === "any" ? 10 : "any"}>change step</button>
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@ -0,0 +1,12 @@
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import { ok, test } from '../../test';
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import { flushSync } from 'svelte';
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export default test({
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async test({ assert, target, errors }) {
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const btn = target.querySelector('button');
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flushSync(() => {
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btn?.click();
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});
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assert.deepEqual(errors, []);
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}
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});
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@ -0,0 +1,24 @@
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<script lang="ts">
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import { getAbortSignal } from "svelte";
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let aborted = $state(0);
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let count = $state(0);
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let der = $derived.by(()=>{
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const signal = getAbortSignal();
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signal.addEventListener("abort", () => {
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try{
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aborted++;
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}catch(e){
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console.error(e);
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}
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});
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return count;
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})
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</script>
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{der}
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<button onclick={() => count++}></button>
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@ -0,0 +1,43 @@
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import { tick } from 'svelte';
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import { test } from '../../test';
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export default test({
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async test({ assert, target }) {
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const [reset, one, two, reject] = target.querySelectorAll('button');
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await tick();
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assert.htmlEqual(
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target.innerHTML,
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'<button>reset</button><button>one</button><button>two</button><button>reject</button> waiting'
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);
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one.click();
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await tick();
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assert.htmlEqual(
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target.innerHTML,
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'<button>reset</button><button>one</button><button>two</button><button>reject</button> one_res'
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);
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reset.click();
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await tick();
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assert.htmlEqual(
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target.innerHTML,
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'<button>reset</button><button>one</button><button>two</button><button>reject</button> waiting'
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);
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two.click();
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await tick();
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assert.htmlEqual(
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target.innerHTML,
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'<button>reset</button><button>one</button><button>two</button><button>reject</button> two_res'
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);
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reset.click();
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reject.click();
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await tick();
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assert.htmlEqual(
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target.innerHTML,
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'<button>reset</button><button>one</button><button>two</button><button>reject</button> reject_catch'
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);
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}
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});
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@ -0,0 +1,22 @@
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<script>
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let deferred = $state(Promise.withResolvers());
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</script>
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<button onclick={() => deferred = Promise.withResolvers()}>reset</button>
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<button onclick={() => deferred.resolve("one")}>one</button>
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<button onclick={() => deferred.resolve("two")}>two</button>
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<button onclick={() => deferred.reject("reject")}>reject</button>
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<svelte:boundary>
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{#await await deferred.promise + "_res"}
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waiting
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{:then res}
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{res}
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{:catch err}
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{err}_catch
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{/await}
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{#snippet pending()}
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<p>pending</p>
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{/snippet}
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</svelte:boundary>
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@ -0,0 +1,12 @@
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import { tick } from 'svelte';
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import { test } from '../../test';
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export default test({
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html: `<h1>Loading...</h1>`,
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async test({ assert, target }) {
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await tick();
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assert.htmlEqual(target.innerHTML, `<h1>Hello, world!</h1>`);
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}
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});
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@ -0,0 +1,16 @@
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<script>
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let name = $state('world');
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</script>
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<svelte:boundary>
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{#snippet pending()}
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<h1>Loading...</h1>
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{/snippet}
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{#snippet greet()}
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{@const greeting = await `Hello, ${name}!`}
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<h1>{greeting}</h1>
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{/snippet}
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{@render greet()}
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</svelte:boundary>
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@ -0,0 +1,24 @@
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import { tick } from 'svelte';
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import { test } from '../../test';
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export default test({
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compileOptions: {
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dev: true
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},
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html: `<button>a</button><button>b</button><p>pending</p>`,
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async test({ assert, target, warnings }) {
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await tick();
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assert.htmlEqual(target.innerHTML, '<button>a</button><button>b</button><h1>3</h1>');
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assert.equal(
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warnings[0],
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'Detected reactivity loss when reading `values[1]`. This happens when state is read in an async function after an earlier `await`'
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);
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assert.equal(warnings[1].name, 'TracedAtError');
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assert.equal(warnings.length, 2);
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}
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});
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@ -0,0 +1,24 @@
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<script>
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let values = $state([1, 2]);
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async function get_total() {
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let total = 0;
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for await (const n of values) {
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total += n;
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}
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return total;
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}
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</script>
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<button onclick={() => values[0]++}>a</button>
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<button onclick={() => values[1]++}>b</button>
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<svelte:boundary>
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<h1>{await get_total()}</h1>
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{#snippet pending()}
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<p>pending</p>
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{/snippet}
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</svelte:boundary>
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@ -0,0 +1,7 @@
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<script>
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let { data } = $props();
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</script>
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{#each data.obj.arr as i}
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<p>{i}</p>
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{/each}
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@ -0,0 +1 @@
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<p>Comp 2</p>
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@ -0,0 +1,11 @@
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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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async test({ assert, target }) {
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const [btn] = target.querySelectorAll('button');
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btn.click();
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flushSync();
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assert.htmlEqual(target.innerHTML, `<button>Change</button> <p>Comp 2</p>`);
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}
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});
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@ -0,0 +1,16 @@
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<script>
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import Comp_1 from './Comp-1.svelte';
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import Comp_2 from './Comp-2.svelte';
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let Comp = $state.raw(Comp_1);
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let data = $state.raw({ obj: { arr: [1, 2, 3] } });
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function change() {
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Comp = Comp_2;
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data = {};
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}
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</script>
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<button onclick={change}>Change</button>
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<Comp {data} />
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