limit to first statement of function

Author: trueadm

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

@@ -985,7 +985,7 @@ A `<textarea>` can have either a value attribute or (equivalently) child content
 ### trace_rune_invalid_location
 
 ```
-`$inspect.trace` must be placed directly inside a block statement
+`$inspect.trace` must be placed directly inside a function and be the first statement
 ```
 
 ### transition_conflict

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

@@ -196,7 +196,7 @@ Using a `$` prefix to refer to the value of a store is only possible inside `.sv
 
 ## trace_rune_invalid_location
 
-> `$inspect.trace` must be placed directly inside a block statement
+> `$inspect.trace` must be placed directly inside a function and be the first statement
 
 ## typescript_invalid_feature
 

packages/svelte/src/ambient.d.ts

@@ -373,8 +373,8 @@ declare function $inspect<T extends any[]>(
 
 declare namespace $inspect {
 	/**
-	 * Traces the reactive graph of the tracking reactive context. Must be placed directly within a function body.
-	 * Example:
+	 * Traces the reactive graph of the tracking reactive context. Must be placed directly
+	 * inside a function and be the first statement. Example:
 	 *
 	 * ```svelte
 	 * <script>

packages/svelte/src/compiler/errors.js

@@ -488,12 +488,12 @@ export function trace_rune_invalid_argument(node) {
 }
 
 /**
- * `$inspect.trace` must be placed directly inside a block statement
+ * `$inspect.trace` must be placed directly inside a function and be the first statement
  * @param {null | number | NodeLike} node
  * @returns {never}
  */
 export function trace_rune_invalid_location(node) {
-	e(node, "trace_rune_invalid_location", `\`$inspect.trace\` must be placed directly inside a block statement\nhttps://svelte.dev/e/trace_rune_invalid_location`);
+	e(node, "trace_rune_invalid_location", `\`$inspect.trace\` must be placed directly inside a function and be the first statement\nhttps://svelte.dev/e/trace_rune_invalid_location`);
 }
 
 /**

packages/svelte/src/compiler/phases/2-analyze/visitors/CallExpression.js

@@ -136,21 +136,24 @@ export function CallExpression(node, context) {
 
 			break;
 
-		case '$inspect.trace':
+		case '$inspect.trace': {
 			if (node.arguments.length !== 1) {
 				e.rune_invalid_arguments_length(node, rune, 'exactly one argument');
 			}
 			if (node.arguments[0].type !== 'Literal' || typeof node.arguments[0].value !== 'string') {
 				e.trace_rune_invalid_argument(node);
 			}
+			const grand_parent = context.path.at(-2);
+
 			if (
 				parent.type !== 'ExpressionStatement' ||
-				context.path.at(-2)?.type !== 'BlockStatement' ||
+				grand_parent?.type !== 'BlockStatement' ||
 				!(
 					context.path.at(-3)?.type === 'FunctionDeclaration' ||
 					context.path.at(-3)?.type === 'FunctionExpression' ||
 					context.path.at(-3)?.type === 'ArrowFunctionExpression'
-				)
+				) ||
+				grand_parent.body[0] !== parent
 			) {
 				e.trace_rune_invalid_location(node);
 			}
@@ -163,7 +166,7 @@ export function CallExpression(node, context) {
 			}
 
 			break;
-
+		}
 		case '$state.snapshot':
 			if (node.arguments.length !== 1) {
 				e.rune_invalid_arguments_length(node, rune, 'exactly one argument');

packages/svelte/types/index.d.ts

@@ -3031,8 +3031,8 @@ declare function $inspect<T extends any[]>(
 
 declare namespace $inspect {
 	/**
-	 * Traces the reactive graph of the tracking reactive context. Must be placed directly within a function body.
-	 * Example:
+	 * Traces the reactive graph of the tracking reactive context. Must be placed directly
+	 * inside a function and be the first statement. Example:
 	 *
 	 * ```svelte
 	 * <script>