From 385e9ec3454b44a36ab74bdfebda2659e28d3db1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20D=C4=9Bdi=C4=8D?= <developer@dedic.eu>
Date: Fri, 13 Dec 2024 18:07:24 +0100
Subject: [PATCH] feat(selector-parsing): added helper function to convert
 style selector locations to eslint locations

---
 src/parser/index.ts         |  2 ++
 src/parser/style-context.ts | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/parser/index.ts b/src/parser/index.ts
index 01f33526..084b9002 100644
--- a/src/parser/index.ts
+++ b/src/parser/index.ts
@@ -39,6 +39,7 @@ import {
   type StyleContextUnknownLang,
   styleNodeLoc,
   styleNodeRange,
+  styleSelectorNodeLoc,
 } from "./style-context.js";
 import { getGlobalsForSvelte, getGlobalsForSvelteScript } from "./globals.js";
 import type { NormalizedParserOptions } from "./parser-options.js";
@@ -251,6 +252,7 @@ function parseAsSvelte(
     },
     styleNodeLoc,
     styleNodeRange,
+    styleSelectorNodeLoc,
     svelteParseContext,
   });
   resultScript.visitorKeys = Object.assign({}, KEYS, resultScript.visitorKeys);
diff --git a/src/parser/style-context.ts b/src/parser/style-context.ts
index a4f0ca90..fa161c03 100644
--- a/src/parser/style-context.ts
+++ b/src/parser/style-context.ts
@@ -141,6 +141,24 @@ export function styleNodeRange(
   ];
 }
 
+/**
+ * Extracts a node location (like that of any ESLint node) from a parsed svelte selector node.
+ */
+export function styleSelectorNodeLoc(
+  node: SelectorNode,
+): Partial<SourceLocation> {
+  return {
+    start:
+      node.source?.start !== undefined
+        ? {
+            line: node.source.start.line,
+            column: node.source.start.column - 1,
+          }
+        : undefined,
+    end: node.source?.end,
+  };
+}
+
 /**
  * Fixes PostCSS AST locations to be relative to the whole file instead of relative to the <style> element.
  */