Fix reporting "Use the latest vue-eslint-parser" message in non-vue files.

lib/rules/no-multi-spaces.js

@@ -4,6 +4,8 @@
  */
 'use strict'
 
+const path = require('path')
+
 // ------------------------------------------------------------------------------
 // Rule Definition
 // ------------------------------------------------------------------------------
@@ -50,11 +52,14 @@ module.exports = {
     return {
       Program(node) {
         if (context.parserServices.getTemplateBodyTokenStore == null) {
-          context.report({
-            loc: { line: 1, column: 0 },
-            message:
-              'Use the latest vue-eslint-parser. See also https://eslint.vuejs.org/user-guide/#what-is-the-use-the-latest-vue-eslint-parser-error.'
-          })
+          const filename = context.getFilename()
+          if (path.extname(filename) === '.vue') {
+            context.report({
+              loc: { line: 1, column: 0 },
+              message:
+                'Use the latest vue-eslint-parser. See also https://eslint.vuejs.org/user-guide/#what-is-the-use-the-latest-vue-eslint-parser-error.'
+            })
+          }
           return
         }
         if (!node.templateBody) {

lib/utils/index.js

@@ -1531,11 +1531,14 @@ function defineTemplateBodyVisitor(
   scriptVisitor
 ) {
   if (context.parserServices.defineTemplateBodyVisitor == null) {
-    context.report({
-      loc: { line: 1, column: 0 },
-      message:
-        'Use the latest vue-eslint-parser. See also https://eslint.vuejs.org/user-guide/#what-is-the-use-the-latest-vue-eslint-parser-error'
-    })
+    const filename = context.getFilename()
+    if (path.extname(filename) === '.vue') {
+      context.report({
+        loc: { line: 1, column: 0 },
+        message:
+          'Use the latest vue-eslint-parser. See also https://eslint.vuejs.org/user-guide/#what-is-the-use-the-latest-vue-eslint-parser-error.'
+      })
+    }
     return {}
   }
   return context.parserServices.defineTemplateBodyVisitor(

tests/lib/rules-without-vue-eslint-parser.js

@@ -7,6 +7,7 @@
 const Linter = require('eslint').Linter
 const parser = require('babel-eslint')
 const rules = require('../..').rules
+const assert = require('assert')
 
 describe("Don't crash even if without vue-eslint-parser.", () => {
   const code = '<template><div>TEST</div></template>'
@@ -25,7 +26,16 @@ describe("Don't crash even if without vue-eslint-parser.", () => {
       }
       linter.defineParser('babel-eslint', parser)
       linter.defineRule(ruleId, rules[key])
-      linter.verifyAndFix(code, config, 'test.vue')
+      const resultVue = linter.verifyAndFix(code, config, 'test.vue')
+      for (const { message } of resultVue.messages) {
+        assert.strictEqual(
+          message,
+          'Use the latest vue-eslint-parser. See also https://eslint.vuejs.org/user-guide/#what-is-the-use-the-latest-vue-eslint-parser-error.'
+        )
+      }
+
+      const resultJs = linter.verifyAndFix(code, config, 'test.js')
+      assert.strictEqual(resultJs.messages.length, 0)
     })
   }
 })