chore: make linting work with gts files

.eslintignore

@@ -22,6 +22,7 @@
 /node_modules/
 /packages/*/bower_components/
 /packages/*/node_modules/
+/packages/*/declarations/
 /site/node_modules/
 /test-app/node_modules/
 /site/lib/docfy-theme/node_modules/

.eslintrc.js

@@ -1,10 +1,5 @@
-const { join } = require('path');
-
 module.exports = {
   root: true,
-  parserOptions: {
-    project: join(__dirname, './tsconfig.eslint.json')
-  },
   plugins: [],
   extends: ['@underline/eslint-config-ember-typescript'],
   rules: {

.prettierrc.js

@@ -7,7 +7,7 @@ module.exports = {
     {
       files: '*.{js,ts,gjs,gts}',
       options: {
-        singleQuote: true
+        templateSingleQuote: false
       }
     }
   ]

package.json

@@ -23,8 +23,11 @@
     "@embroider/test-setup": "^3.0.1"
   },
   "devDependencies": {
-    "@underline/eslint-config-ember-typescript": "^0.13.0",
-    "@underline/eslint-config-node": "^0.13.0",
+    "@glint/core": "1.0.2",
+    "@glint/environment-ember-loose": "1.0.2",
+    "@glint/environment-ember-template-imports": "1.0.2",
+    "@underline/eslint-config-ember-typescript": "^0.14.3",
+    "@underline/eslint-config-node": "^0.14.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-template-lint": "^5.11.1",
     "eslint": "^8.46.0",

packages/core/babel.config.js

@@ -1,16 +1,16 @@
 module.exports = {
-  presets: [["@babel/preset-typescript", {onlyRemoveTypeImports: true}]],
+  presets: [['@babel/preset-typescript', { onlyRemoveTypeImports: true }]],
   plugins: [
-    "@embroider/addon-dev/template-colocation-plugin",
+    '@embroider/addon-dev/template-colocation-plugin',
     [
       'babel-plugin-ember-template-compilation',
       {
         targetFormat: 'hbs',
-        compilerPath: 'ember-source/dist/ember-template-compiler',
+        compilerPath: 'ember-source/dist/ember-template-compiler'
       }
     ],
-    ["@babel/plugin-proposal-decorators", { "legacy": true }],
-    "@babel/plugin-proposal-class-properties",
-    "@babel/plugin-transform-class-static-block",
+    ['@babel/plugin-proposal-decorators', { legacy: true }],
+    '@babel/plugin-proposal-class-properties',
+    '@babel/plugin-transform-class-static-block'
   ]
-}
+};

packages/core/src/components/close-button.gts

@@ -2,8 +2,8 @@ import Component from '@glimmer/component';
 import { action } from '@ember/object';
 import 'focus-visible/dist/focus-visible.js';
 import { on } from '@ember/modifier';
-import useFrontileClass from '../helpers/use-frontile-class.ts'
-import VisuallyHidden from './visually-hidden.ts'
+import useFrontileClass from '../helpers/use-frontile-class.ts';
+import VisuallyHidden from './visually-hidden.ts';
 
 export interface CloseButtonArgs {
   /**
@@ -45,17 +45,21 @@ export default class CloseButton extends Component<CloseButtonSignature> {
       this.args.onClick(event);
     }
   }
+
   <template>
     <button
-    type="button"
-      class={{useFrontileClass "close-button" (if @size @size "md") class=@class}}
+      type="button"
+      class={{useFrontileClass
+        "close-button"
+        (if @size @size "md")
+        class=@class
+      }}
       ...attributes
       {{on "click" this.handleClick}}
     >
       {{#let
-        (useFrontileClass
-          "close-button" (if @size @size "md") part="icon"
-        ) as |iconClassName|
+        (useFrontileClass "close-button" (if @size @size "md") part="icon")
+        as |iconClassName|
       }}
         {{#if (has-block)}}
           {{yield iconClassName}}

test-app/package.json

@@ -59,7 +59,7 @@
     "ember-try": "^2.0.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
-    "prettier": "^2.6.0",
+    "prettier": "^3.0.0",
     "qunit": "^2.19.4",
     "qunit-dom": "^2.0.0",
     "sinon": "^15.2.0",