Merge remote-tracking branch 'origin/main' into thunkify-deriveds-on-server

Author: paoloricciuti

.changeset/strong-coins-peel.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: improve error message for migration errors when slot would be renamed

.changeset/wild-bulldogs-move.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: allow characters in the supplementary special-purpose plane

documentation/docs/02-runes/07-$inspect.md

@@ -52,6 +52,7 @@ This rune, added in 5.14, causes the surrounding function to be _traced_ in deve
 	import { doSomeWork } from './elsewhere';
 
 	$effect(() => {
+		+++// $inspect.trace must be the first statement of a function body+++
 		+++$inspect.trace();+++
 		doSomeWork();
 	});

documentation/docs/98-reference/.generated/compile-errors.md

@@ -274,6 +274,12 @@ A `:global` selector cannot modify an existing selector
 A `:global` selector can only be modified if it is a descendant of other selectors
 ```
 
+### css_global_block_invalid_placement
+
+```
+A `:global` selector cannot be inside a pseudoclass
+```
+
 ### css_global_invalid_placement
 
 ```

packages/svelte/CHANGELOG.md

@@ -1,5 +1,33 @@
 # svelte
 
+## 5.28.2
+
+### Patch Changes
+
+- fix: don't mark selector lists inside `:global` with multiple items as unused ([#15817](https://github.com/sveltejs/svelte/pull/15817))
+
+## 5.28.1
+
+### Patch Changes
+
+- fix: ensure `<svelte:boundary>` properly removes error content in production mode ([#15793](https://github.com/sveltejs/svelte/pull/15793))
+
+- fix: `update_version` after `delete` if `source` is `undefined` and `prop` in `target` ([#15796](https://github.com/sveltejs/svelte/pull/15796))
+
+- fix: emit error on wrong placement of the `:global` block selector ([#15794](https://github.com/sveltejs/svelte/pull/15794))
+
+## 5.28.0
+
+### Minor Changes
+
+- feat: partially evaluate more expressions ([#15781](https://github.com/sveltejs/svelte/pull/15781))
+
+## 5.27.3
+
+### Patch Changes
+
+- fix: use function declaration for snippets in server output to avoid TDZ violation ([#15789](https://github.com/sveltejs/svelte/pull/15789))
+
 ## 5.27.2
 
 ### Patch Changes

packages/svelte/messages/compile-errors/style.md

@@ -50,6 +50,10 @@ x y {
 
 > A `:global` selector can only be modified if it is a descendant of other selectors
 
+## css_global_block_invalid_placement
+
+> A `:global` selector cannot be inside a pseudoclass
+
 ## css_global_invalid_placement
 
 > `:global(...)` can be at the start or end of a selector sequence, but not in the middle

packages/svelte/package.json

@@ -2,7 +2,7 @@
   "name": "svelte",
   "description": "Cybernetically enhanced web apps",
   "license": "MIT",
-  "version": "5.27.2",
+  "version": "5.28.2",
   "type": "module",
   "types": "./types/index.d.ts",
   "engines": {

packages/svelte/src/compiler/errors.js

@@ -581,6 +581,15 @@ export function css_global_block_invalid_modifier_start(node) {
 	e(node, 'css_global_block_invalid_modifier_start', `A \`:global\` selector can only be modified if it is a descendant of other selectors\nhttps://svelte.dev/e/css_global_block_invalid_modifier_start`);
 }
 
+/**
+ * A `:global` selector cannot be inside a pseudoclass
+ * @param {null | number | NodeLike} node
+ * @returns {never}
+ */
+export function css_global_block_invalid_placement(node) {
+	e(node, 'css_global_block_invalid_placement', `A \`:global\` selector cannot be inside a pseudoclass\nhttps://svelte.dev/e/css_global_block_invalid_placement`);
+}
+
 /**
  * `:global(...)` can be at the start or end of a selector sequence, but not in the middle
  * @param {null | number | NodeLike} node

packages/svelte/src/compiler/migrate/index.js

@@ -1307,7 +1307,7 @@ const template = {
 			name = state.scope.generate(slot_name);
 			if (name !== slot_name) {
 				throw new MigrationError(
-					'This migration would change the name of a slot making the component unusable'
+					`This migration would change the name of a slot (${slot_name} to ${name}) making the component unusable`
 				);
 			}
 		}
@@ -1880,7 +1880,7 @@ function handle_identifier(node, state, path) {
 				let new_name = state.scope.generate(name);
 				if (new_name !== name) {
 					throw new MigrationError(
-						'This migration would change the name of a slot making the component unusable'
+						`This migration would change the name of a slot (${name} to ${new_name}) making the component unusable`
 					);
 				}
 			}

packages/svelte/src/compiler/phases/1-parse/utils/html.js

@@ -72,6 +72,8 @@ const NUL = 0;
 // to replace them ourselves
 //
 // Source: http://en.wikipedia.org/wiki/Character_encodings_in_HTML#Illegal_characters
+// Also see: https://en.wikipedia.org/wiki/Plane_(Unicode)
+// Also see: https://html.spec.whatwg.org/multipage/parsing.html#preprocessing-the-input-stream
 
 /** @param {number} code */
 function validate_code(code) {
@@ -116,5 +118,10 @@ function validate_code(code) {
 		return code;
 	}
 
+	// supplementary special-purpose plane 0xe0000 - 0xe07f and 0xe0100 - 0xe01ef
+	if ((code >= 917504 && code <= 917631) || (code >= 917760 && code <= 917999)) {
+		return code;
+	}
+
 	return NUL;
 }