add htmlhint

.htmlhintrc

@@ -0,0 +1,3 @@
+{
+  "doctype-first": false
+}

Dockerfile

@@ -9,6 +9,7 @@ RUN pip3 install yamllint
 RUN apt-get install -yqq jq
 RUN pip3 install yq
 RUN npm install -g ajv-cli
+RUN npm install -g htmlhint
 
 WORKDIR /exercises-html
 

Makefile

@@ -6,6 +6,9 @@ compose:
 compose-sut:
 	docker-compose -f docker-compose.test.yml run sut
 
+compose-code-lint:
+	docker-compose run exercises make code-lint
+
 compose-description-lint:
 	docker-compose run exercises make description-lint
 
@@ -24,21 +27,16 @@ compose-build:
 description-lint:
 	yamllint modules
 
+code-lint:
+	htmlhint modules/**/*.{htm,html}
+
 compose-test:
 	docker-compose run exercises make test
 
 test:
 	@(for i in $$(find modules/** -type f -name Makefile); do make test -C $$(dirname $$i) || exit 1; done)
 
-check: description-lint schema-validate test
-
-docker-build:
-	docker build -t hexletbasics/exercises-html .
-
-docker-push:
-	docker push hexletbasics/exercises-html
-
-docker-release: docker-build docker-push
+check: description-lint code-lint schema-validate test
 
 SUBDIRS := $(wildcard modules/**/*/.)
 

README.md

@@ -12,6 +12,7 @@ $ make compose
 $ make compose-test
 
 # run linters and validators
+$ make compose-code-lint
 $ make compose-description-lint
 $ make compose-schema-validate
 ```