Add linting

.config/htmlvalidate.json

@@ -0,0 +1,18 @@
+{
+  "extends": ["html-validate:recommended"],
+  "rules": {
+      "doctype-style": ["off"],
+      "void-style": ["error", { "style": "selfclosing" }],
+      "valid-id": ["warn", { "relaxed": true}],
+      "no-autoplay": ["warn"],
+      "no-inline-style": ["warn", { "allowedProperties": [
+          "display",
+          "font-size",
+          "font-family",
+          "margin-bottom",
+          "margin-top",
+          "margin-left",
+          "margin-right"
+      ] }]
+  }
+}

.config/prettier.toml

@@ -0,0 +1 @@
+bracketSameLine = false

.config/stylelint.json

@@ -0,0 +1,6 @@
+{
+	"extends": "stylelint-config-recommended",
+	"rules": {
+        "no-descending-specificity": null
+	}
+}

.gitignore

@@ -1,3 +1,6 @@
 public/
 resources/
 .hugo_build.lock
+tmp
+node_modules
+hint-report

Makefile

@@ -21,6 +21,17 @@ DEPLOY_GEMINI_DIST=gemini.tar.gz
 
 .DEFAULT_GOAL := all
 
+lint-css:
+	pnpm exec stylelint --config .config/stylelint.json --rd --rdd assets/main.css
+
+lint-html-validate:
+	pnpm exec html-validate --config .config/htmlvalidate.json $(HTML_DEST)
+
+lint-html-proofer:
+	htmlproofer $(HTML_DEST) --checks Links,Images,Scripts,Favicon,OpenGraph --no-allow-missing-href --no-ignore-empty-alt
+
+lint: lint-css lint-html-validate lint-html-proofer
+
 deploy-html:
 	tar -C $(HTML_DEST) -cvz . > $(DEPLOY_HTML_DIST)
 	$(HUT) pages publish --protocol HTTPS -d $(DEPLOY_DOMAIN) $(DEPLOY_HTML_DIST)
@@ -58,7 +69,7 @@ html:
 	$(RSYNC) $(RSYNC_FLAGS) public/ --exclude '*.gmi' --exclude gemini $(HTML_DEST)
 	@# Manually include gemini tag (because it was excluded above)
 	$(RSYNC) $(RSYNC_FLAGS) public/tags/gemini $(HTML_DEST)/tags/
-	$(PRETTIER) --write $(HTML_DEST)"/**/*.html"
+	$(PRETTIER) --config .config/prettier.toml --write $(HTML_DEST)"/**/*.html"
 
 finish-clean:
 	rm -rf $(GEMINI_DEST)-back $(HTML_DEST)-back

README.md

@@ -45,6 +45,10 @@ css](https://simplecss.org) and sometimes [seirdy's site](https://seirdy.one).
 ### deploy
 - **hut** - publishes HTML/gemini files to srht.site
 
+### lint
+- `pnpm` - install dev dependencies in `package.json`
+- `ruby >= 2.7` - for `htmlproofer`
+
 ## hardcoded values
 
 ### resources

package.json

@@ -0,0 +1,10 @@
+{
+  "devDependencies": {
+    "@hint/hint-doctype": "^3.3.20",
+    "hint": "^7.1.0",
+    "html-validate": "^8.18.1",
+    "stylelint": "^14.8.1",
+    "stylelint-config-recommended": "^7.0.0",
+    "stylelint-config-standard": "^25.0.0"
+  }
+}