diff --git a/packages/svelte/CHANGELOG.md b/packages/svelte/CHANGELOG.md index e1bc27b51d90..0ff6b62fe007 100644 --- a/packages/svelte/CHANGELOG.md +++ b/packages/svelte/CHANGELOG.md @@ -1,5 +1,11 @@ # svelte +## 5.22.4 + +### Patch Changes + +- fix: never deduplicate expressions in templates ([#15451](https://github.com/sveltejs/svelte/pull/15451)) + ## 5.22.3 ### Patch Changes diff --git a/packages/svelte/package.json b/packages/svelte/package.json index 1657b59577bc..1f95811cd5b8 100644 --- a/packages/svelte/package.json +++ b/packages/svelte/package.json @@ -2,7 +2,7 @@ "name": "svelte", "description": "Cybernetically enhanced web apps", "license": "MIT", - "version": "5.22.3", + "version": "5.22.4", "type": "module", "types": "./types/index.d.ts", "engines": { diff --git a/packages/svelte/src/compiler/phases/3-transform/client/visitors/shared/utils.js b/packages/svelte/src/compiler/phases/3-transform/client/visitors/shared/utils.js index c25ef3ab50e3..df6308d6316a 100644 --- a/packages/svelte/src/compiler/phases/3-transform/client/visitors/shared/utils.js +++ b/packages/svelte/src/compiler/phases/3-transform/client/visitors/shared/utils.js @@ -26,55 +26,9 @@ export function memoize_expression(state, value) { * @param {Expression} value */ export function get_expression_id(state, value) { - for (let i = 0; i < state.expressions.length; i += 1) { - if (compare_expressions(state.expressions[i], value)) { - return b.id(`$${i}`); - } - } - return b.id(`$${state.expressions.push(value) - 1}`); } -/** - * Returns true of two expressions have an identical AST shape - * @param {Expression} a - * @param {Expression} b - */ -function compare_expressions(a, b) { - if (a.type !== b.type) { - return false; - } - - for (const key in a) { - if (key === 'type' || key === 'metadata' || key === 'loc' || key === 'start' || key === 'end') { - continue; - } - - const va = /** @type {any} */ (a)[key]; - const vb = /** @type {any} */ (b)[key]; - - if ((typeof va === 'object') !== (typeof vb === 'object')) { - return false; - } - - if (typeof va !== 'object' || va === null || vb === null) { - if (va !== vb) return false; - } else if (Array.isArray(va)) { - if (va.length !== vb.length) { - return false; - } - - if (va.some((v, i) => !compare_expressions(v, vb[i]))) { - return false; - } - } else if (!compare_expressions(va, vb)) { - return false; - } - } - - return true; -} - /** * @param {Array} values * @param {(node: AST.SvelteNode, state: any) => any} visit diff --git a/packages/svelte/src/version.js b/packages/svelte/src/version.js index 29b56b5b2e32..845375314f63 100644 --- a/packages/svelte/src/version.js +++ b/packages/svelte/src/version.js @@ -4,5 +4,5 @@ * The current version, as set in package.json. * @type {string} */ -export const VERSION = '5.22.3'; +export const VERSION = '5.22.4'; export const PUBLIC_VERSION = '5'; diff --git a/packages/svelte/tests/runtime-runes/samples/random/_config.js b/packages/svelte/tests/runtime-runes/samples/random/_config.js new file mode 100644 index 000000000000..368dd20c6c8f --- /dev/null +++ b/packages/svelte/tests/runtime-runes/samples/random/_config.js @@ -0,0 +1,8 @@ +import { test } from '../../test'; + +export default test({ + test({ assert, target }) { + const [p1, p2] = target.querySelectorAll('p'); + assert.notEqual(p1.textContent, p2.textContent); + } +}); diff --git a/packages/svelte/tests/runtime-runes/samples/random/main.svelte b/packages/svelte/tests/runtime-runes/samples/random/main.svelte new file mode 100644 index 000000000000..e1ec0b564903 --- /dev/null +++ b/packages/svelte/tests/runtime-runes/samples/random/main.svelte @@ -0,0 +1,6 @@ + + +

{(Math.random() * m).toFixed(10)}

diff --git a/packages/svelte/tests/snapshot/samples/dynamic-attributes-casing/_expected/client/main.svelte.js b/packages/svelte/tests/snapshot/samples/dynamic-attributes-casing/_expected/client/main.svelte.js index d97a58bf40d8..219db6ffd529 100644 --- a/packages/svelte/tests/snapshot/samples/dynamic-attributes-casing/_expected/client/main.svelte.js +++ b/packages/svelte/tests/snapshot/samples/dynamic-attributes-casing/_expected/client/main.svelte.js @@ -21,13 +21,13 @@ export default function Main($$anchor) { $.template_effect(() => $.set_custom_element_data(custom_element_1, 'fooBar', y())); $.template_effect( - ($0) => { + ($0, $1) => { $.set_attribute(div, 'foobar', x); $.set_attribute(svg, 'viewBox', x); $.set_attribute(div_1, 'foobar', $0); - $.set_attribute(svg_1, 'viewBox', $0); + $.set_attribute(svg_1, 'viewBox', $1); }, - [y] + [y, y] ); $.append($$anchor, fragment); pFad - Phonifier reborn

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