feat: add support for eslint v9 (#12)

* feat: add support for eslint v9

* Create sixty-games-love.md

* fix

Author: ota-meshi

.changeset/sixty-games-love.md

@@ -0,0 +1,5 @@
+---
+"@intlify/eslint-plugin-svelte": minor
+---
+
+feat: add support for eslint v9

.github/workflows/test.yml

@@ -30,6 +30,10 @@ jobs:
         os: [ubuntu-latest]
         node: [18, 20]
         eslint: [8]
+        include:
+          - node: 20
+            eslint: ^9.0.0-0
+            os: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v2

lib/utils/index.ts

@@ -6,6 +6,7 @@ import type { Rule } from 'eslint'
 import { dirname, extname } from 'path'
 import { existsSync } from 'fs'
 import type { RuleContext, RuleListener } from '../types'
+import { getFilename, getSourceCode } from 'eslint-compat-utils'
 
 const UNEXPECTED_ERROR_LOCATION = { line: 1, column: 0 }
 
@@ -37,8 +38,9 @@ export function defineRule(
       }
     },
     create(context) {
-      if (!context.parserServices.isSvelte) {
-        const filename = context.getFilename()
+      const sourceCode = getSourceCode(context)
+      if (!sourceCode.parserServices.isSvelte) {
+        const filename = getFilename(context)
         if (isSvelteFile(filename)) {
           context.report({
             loc: UNEXPECTED_ERROR_LOCATION,

package.json

@@ -25,10 +25,11 @@
   },
   "dependencies": {
     "debug": "^4.3.1",
+    "eslint-compat-utils": "^0.4.1",
     "svelte-eslint-parser": ">=0.9.0 <1.0.0"
   },
   "peerDependencies": {
-    "eslint": "^7.0.0 || ^8.0.0-0",
+    "eslint": "^7.0.0 || ^8.0.0-0 || ^9.0.0-0",
     "svelte": "^3.37.0 || ^4.0.5"
   },
   "peerDependenciesMeta": {

tests/lib/eslint-compat.ts

@@ -0,0 +1,3 @@
+import { getRuleTester } from 'eslint-compat-utils/rule-tester'
+
+export const RuleTester = getRuleTester()

tests/lib/rules/no-raw-text.ts

@@ -1,12 +1,13 @@
 /**
  * @author Yosuke Ota
  */
-import { RuleTester } from 'eslint'
-import rule = require('../../../lib/rules/no-raw-text')
+import { RuleTester } from '../eslint-compat'
+import rule from '../../../lib/rules/no-raw-text'
+import * as svelteParser from 'svelte-eslint-parser'
 
 const tester = new RuleTester({
-  parser: require.resolve('svelte-eslint-parser'),
-  parserOptions: {
+  languageOptions: {
+    parser: svelteParser,
     ecmaVersion: 2021,
     sourceType: 'module'
   }
@@ -235,7 +236,7 @@ tester.run('no-raw-text', rule as never, {
       code: `
         <script>
         </script>
-        
+
         text at the root of the template
       `,
       errors: [

tsconfig.json

@@ -3,7 +3,7 @@
     /* Basic Options */
     // "incremental": true,                   /* Enable incremental compilation */
     "target": "es2015" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
-    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
+    "module": "node16" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
     // "lib": [],                             /* Specify library files to be included in the compilation. */
     "allowJs": true /* Allow javascript files to be compiled. */,
     // "checkJs": true,                       /* Report errors in .js files. */
@@ -39,7 +39,7 @@
     // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
 
     /* Module Resolution Options */
-    "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
+    "moduleResolution": "node16" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
     "resolveJsonModule": true,
     // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
     // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */

yarn.lock

@@ -4378,6 +4378,13 @@ escape-string-regexp@^4.0.0:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz#14ba83a5d373e3d311e5afca29cf5bfad965bf34"
   integrity sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==
 
+eslint-compat-utils@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/eslint-compat-utils/-/eslint-compat-utils-0.4.1.tgz#498d9dad03961174a283f7741838a3fbe4a34e89"
+  integrity sha512-5N7ZaJG5pZxUeNNJfUchurLVrunD1xJvyg5kYOIVF8kg1f3ajTikmAu/5fZ9w100omNPOoMjngRszh/Q/uFGMg==
+  dependencies:
+    semver "^7.5.4"
+
 eslint-config-prettier@^8.0.0:
   version "8.0.0"
   resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-8.0.0.tgz#024d661444319686c588c8849c8da33815dbdb1c"