DEV: Update linting setup (#69)

.eslintrc.cjs

@@ -0,0 +1 @@
+module.exports = require("@discourse/lint-configs/eslint-theme");

.prettierrc.cjs

@@ -0,0 +1 @@
+module.exports = require("@discourse/lint-configs/prettier");

.template-lintrc.js

@@ -1,4 +1 @@
-module.exports = {
-  plugins: ["ember-template-lint-plugin-discourse"],
-  extends: "discourse:recommended",
-};
+module.exports = require("@discourse/lint-configs/template-lint");

javascripts/discourse/initializers/disco-toc-composer.js

@@ -1,5 +1,5 @@
-import I18n from "I18n";
 import { withPluginApi } from "discourse/lib/plugin-api";
+import I18n from "I18n";
 
 export default {
   name: "disco-toc-composer",

javascripts/discourse/initializers/disco-toc-main.js

@@ -1,9 +1,9 @@
-import domUtils from "discourse-common/utils/dom-utils";
-import { headerOffset } from "discourse/lib/offset-calculator";
-import { iconHTML } from "discourse-common/lib/icon-library";
 import { later } from "@ember/runloop";
-import { slugify } from "discourse/lib/utilities";
+import { headerOffset } from "discourse/lib/offset-calculator";
 import { withPluginApi } from "discourse/lib/plugin-api";
+import { slugify } from "discourse/lib/utilities";
+import { iconHTML } from "discourse-common/lib/icon-library";
+import domUtils from "discourse-common/utils/dom-utils";
 import I18n from "I18n";
 
 export default {

package.json

@@ -5,6 +5,9 @@
   "author": "Discourse",
   "license": "MIT",
   "devDependencies": {
-    "eslint-config-discourse": "^3.2.0"
+    "@discourse/lint-configs": "^1.0.0",
+    "ember-template-lint": "^5.12.0",
+    "eslint": "^8.53.0",
+    "prettier": "^2.8.8"
   }
 }

test/acceptance/toc-composer-test.js

@@ -1,12 +1,12 @@
-import I18n from "discourse-i18n";
+import { click, visit } from "@ember/test-helpers";
+import { test } from "qunit";
 import {
   acceptance,
   exists,
   query,
 } from "discourse/tests/helpers/qunit-helpers";
-import { click, visit } from "@ember/test-helpers";
 import selectKit from "discourse/tests/helpers/select-kit-helper";
-import { test } from "qunit";
+import I18n from "discourse-i18n";
 
 acceptance("DiscoTOC - Composer", function (needs) {
   needs.user();

test/acceptance/toc-test.js

@@ -1,11 +1,11 @@
+import { visit } from "@ember/test-helpers";
+import { test } from "qunit";
+import topicFixtures from "discourse/tests/fixtures/topic";
 import {
   acceptance,
   exists,
   query,
 } from "discourse/tests/helpers/qunit-helpers";
-import { visit } from "@ember/test-helpers";
-import { test } from "qunit";
-import topicFixtures from "discourse/tests/fixtures/topic";
 import { cloneJSON } from "discourse-common/lib/object";
 
 const COOKED_WITH_HEADINGS =