Only parsing styles on-demand (#358)

marekdedic · ota-meshi · web-flow · commit 438be641c211 · 2023-06-19T21:21:01.000+09:00
* Only parsing styles on-demand

* Added a changeset for on-demand style parsing

---------

Co-authored-by: Yosuke Ota &lt;otameshiyo23@gmail.com&gt;
diff --git a/.changeset/yellow-cats-impress.md b/.changeset/yellow-cats-impress.md
@@ -0,0 +1,5 @@
+---
+"svelte-eslint-parser": minor
+---
+
+only parsing styles on-demand
diff --git a/src/parser/index.ts b/src/parser/index.ts
@@ -189,7 +189,7 @@ export function parseForESLint(
   const styleElement = ast.body.find(
     (b): b is SvelteStyleElement => b.type === "SvelteStyleElement"
   );
-  const styleContext = parseStyleContext(styleElement, ctx);
+  let styleContext: StyleContext | null = null;
 
   resultScript.ast = ast as any;
   resultScript.services = Object.assign(resultScript.services || {}, {
@@ -198,6 +198,9 @@ export function parseForESLint(
       return resultTemplate.svelteAst.html;
     },
     getStyleContext() {
+      if (styleContext === null) {
+        styleContext = parseStyleContext(styleElement, ctx);
+      }
       return styleContext;
     },
     styleNodeLoc,

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +"svelte-eslint-parser": minor
 +---
++
 +only parsing styles on-demand