fix: report on program node if loc unavailable

JounQin · JounQin · commit 62005b2620ce · 2025-01-15T12:58:46.000+08:00
diff --git a/eslint-plugin-prettier.js b/eslint-plugin-prettier.js
@@ -161,7 +161,7 @@ const eslintPluginPrettier = {
         const source = sourceCode.text;
 
         return {
-          Program() {
+          Program(node) {
             if (!prettierFormat) {
               // Prettier is expensive to load, so only load it if needed.
               prettierFormat = /** @type {PrettierFormat} */ (
@@ -214,7 +214,7 @@ const eslintPluginPrettier = {
               let message = 'Parsing error: ' + err.message;
 
               const error =
-                /** @type {SyntaxError & {codeFrame: string; loc: SourceLocation}} */ (
+                /** @type {SyntaxError & {codeFrame: string; loc?: SourceLocation}} */ (
                   err
                 );
 
@@ -227,10 +227,11 @@ const eslintPluginPrettier = {
               }
               if (error.loc) {
                 message = message.replace(/ \(\d+:\d+\)$/, '');
+                context.report({ message, loc: error.loc });
+              } else {
+                context.report({ message, node });
               }
 
-              context.report({ message, loc: error.loc });
-
               return;
             }
 
diff --git a/test/prettier.js b/test/prettier.js
@@ -389,7 +389,20 @@ runFixture('eslint-plugin-svelte3/*.svelte', [[], []], svelteUnsupported);
  */
 runFixture('*.pug', [[]]);
 
-runFixture('invalid-prettierrc/*', []);
+runFixture('invalid-prettierrc/*', [
+  [
+    {
+      column: 1,
+      endColumn: 20,
+      endLine: 1,
+      line: 1,
+      message: 'Parsing error: Cannot use import statement outside a module',
+      nodeType: 'Program',
+      ruleId: 'prettier/prettier',
+      severity: 2,
+    },
+  ],
+]);
 
 // ------------------------------------------------------------------------------
 //  Helpers
