diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8dadcf6aa..8d881ba7f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -149,6 +149,21 @@ eslint:
       junit: ${LINT_LOG}
     when: always
 
+eslint-doc:
+  extends:
+    - .fdo.distribution-image@fedora
+    - .gnome-shell.fedora
+  stage: review
+  script:
+    - export NODE_PATH=$(npm root -g)
+    - ./.gitlab-ci/eslint-coding-style.sh
+  rules:
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+      changes:
+        - HACKING.md
+        - .eslintrc.yml
+        - lint/*
+
 potfile_c_check:
   extends:
     - .fdo.distribution-image@fedora
diff --git a/.gitlab-ci/eslint-coding-style.sh b/.gitlab-ci/eslint-coding-style.sh
new file mode 100755
index 000000000..783075bd8
--- /dev/null
+++ b/.gitlab-ci/eslint-coding-style.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+SRCDIR=$(realpath $(dirname $0)/..)
+OUTDIR=$(mktemp --directory --tmpdir=$SRCDIR)
+trap "rm -rf $OUTDIR" EXIT
+
+# Turn ```javascript``` code snippets in the
+# style guide into .js files in $OUTDIR
+awk --assign dir=$OUTDIR -- '
+  BEGIN {
+    do_print = 0;
+    cur = 0;
+  }
+
+  # end of code snippet
+  /```$/ {
+    do_print = 0;
+    cur++;
+  }
+
+  do_print {
+    # remove one level of indent
+    sub("    ","")
+
+    # the following are class snippets, turn them
+    # into functions to not confuse eslint
+    sub("moveActor","function moveActor")
+    sub("desaturateActor","function desaturateActor")
+
+    # finally, append to the currently generated .js file
+    print >> dir "/" cur ".js";
+  }
+
+  # start of code snippet
+  /```javascript$/ {
+    do_print = 1;
+  }
+' HACKING.md
+
+eslint \
+  --rule 'no-undef: off' \
+  --rule 'no-unused-vars: off' \
+  --rule 'no-invalid-this: off' $OUTDIR/*.js