feat: support Eslint 9

Author: aminya

.eslintignore

@@ -0,0 +1,2 @@
+dist/
+node_modules/

.eslintrc.json

@@ -1,9 +1,5 @@
 {
-  "cSpell.words": [
-    "astrojs",
-    "Globified",
-    "globify"
-  ],
+  "cSpell.words": ["astrojs", "Globified", "globify"],
   "explorer.fileNesting.patterns": {
     "index.js": "*.js"
   }

.vscode/settings.json

@@ -0,0 +1,2 @@
+const config = require("./index.js")
+module.exports = config

eslint.config.cjs

@@ -34,18 +34,18 @@
     "@typescript-eslint/eslint-plugin": "7.13.0",
     "@typescript-eslint/parser": "7.13.0",
     "anymatch": "^3.1.3",
-    "eslint": "^8.57.0",
+    "eslint": "^9.4.0",
     "eslint-config-prettier": "^9.1.0",
-    "eslint-plugin-astro": "^0.34.0",
+    "eslint-plugin-astro": "^1.2.2",
     "eslint-plugin-html": "^8.1.1",
     "eslint-plugin-import": "^2.29.1",
-    "eslint-plugin-json": "^3.1.0",
+    "eslint-plugin-json": "^4.0.0",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-only-warn": "npm:@aminya/eslint-plugin-only-warn@^1.2.2",
     "eslint-plugin-optimize-regex": "^1.2.1",
     "eslint-plugin-react": "^7.34.2",
     "eslint-plugin-solid": "^0.14.0",
-    "eslint-plugin-yaml": "^0.5.0",
+    "eslint-plugin-yaml": "^1.0.0",
     "globify-gitignore": "^1.0.3",
     "make-synchronous": "^0.1.1",
     "prettier": "3.3.2",
@@ -65,7 +65,7 @@
     "@types/shelljs": "^0.8.15",
     "eslint-config-atomic": "link:",
     "execa": "^5.1.1",
-    "gitly": "^2.5.3",
+    "gitly": "^3.0.0",
     "npm-check-updates": "16.14.20",
     "prettier-config-atomic": "^4.0.0",
     "shelljs": "^0.8.5",

package.json

@@ -0,0 +1,2 @@
+import config from "prettier-config-atomic"
+export default config

pnpm-lock.yaml

@@ -1,20 +1,28 @@
-import { Linter } from "eslint"
+import type { Linter } from "eslint"
 import { pluginImportAstroRulesExtra } from "./plugin-import-rules.cjs"
+import astroPlugin from "eslint-plugin-astro"
+import * as onlyWarnPlugin from "eslint-plugin-only-warn"
+import astroParser from "astro-eslint-parser"
 
-export const astroConfig: Linter.ConfigOverride<Linter.RulesRecord> = {
+export const astroConfig: Linter.FlatConfig<Linter.RulesRecord> = {
   // astro files
+  ...astroPlugin.configs.recommended,
   files: ["*.astro"],
-  parser: "astro-eslint-parser",
-  parserOptions: {
-    parser: "@typescript-eslint/parser",
-    extraFileExtensions: [".astro"],
+  languageOptions: {
+    parser: astroParser,
+    parserOptions: {
+      parser: "@typescript-eslint/parser",
+      extraFileExtensions: [".astro"],
+    },
+    globals: {
+      astroHTML: "readonly",
+    },
   },
-  plugins: ["astro", "only-warn"],
-  extends: ["plugin:astro/recommended"],
-  rules: {
-    ...pluginImportAstroRulesExtra
+  plugins: {
+    astro: astroPlugin,
+    "only-warn": onlyWarnPlugin,
   },
-  globals: {
-    astroHTML: "readonly",
+  rules: {
+    ...pluginImportAstroRulesExtra,
   },
 }

prettier.config.mjs

@@ -1,13 +1,26 @@
 import { pluginNodeRules } from "./plugin-node-rules.cjs"
 import { pluginImportRulesExtra } from "./plugin-import-rules.cjs"
-import { Linter } from "eslint"
+import type { Linter } from "eslint"
+import * as eslintPluginCoffee from "eslint-plugin-coffee"
+import * as onlyWarnPlugin from "eslint-plugin-only-warn"
+import * as nodePlugin from "eslint-plugin-node"
+import * as coffeeParser from "eslint-plugin-coffee/parser"
+import * as optimizeRegexPlugin from "eslint-plugin-optimize-regex"
 
-export const coffeeConfig: Linter.ConfigOverride<Linter.RulesRecord> = {
+export const coffeeConfig: Linter.FlatConfig<Linter.RulesRecord> = {
   // CoffeeScript files
+  ...eslintPluginCoffee.configs!.recommended,
+  ...optimizeRegexPlugin.configs!.all,
+  ...eslintPluginCoffee.configs!.prettier,
   files: ["**/*.coffee"],
-  parser: "eslint-plugin-coffee",
-  plugins: ["coffee", "node", "only-warn"],
-  extends: ["plugin:coffee/eslint-recommended", "plugin:optimize-regex/all", "plugin:coffee/prettier"],
+  languageOptions: {
+    parser: coffeeParser,
+  },
+  plugins: {
+    coffee: eslintPluginCoffee,
+    node: nodePlugin,
+    "only-warn": onlyWarnPlugin,
+  },
   rules: {
     ...pluginNodeRules,
     ...pluginImportRulesExtra,

src/astro.cts

@@ -1,7 +1,7 @@
-import { Linter } from "eslint"
+import type { Linter } from "eslint"
 import { coffeeConfig } from "./coffeescript.cjs"
 
-export const csonConfig: Linter.ConfigOverride<Linter.RulesRecord> = {
+export const csonConfig: Linter.FlatConfig<Linter.RulesRecord> = {
   ...coffeeConfig,
   files: ["**/*.cson"],
   rules: {