diff options
| -rw-r--r-- | src/dompa/nodes.cljc | 13 | ||||
| -rw-r--r-- | test/dompa/nodes_test.cljc | 18 |
2 files changed, 28 insertions, 3 deletions
diff --git a/src/dompa/nodes.cljc b/src/dompa/nodes.cljc index 58ff045..7e8f769 100644 --- a/src/dompa/nodes.cljc +++ b/src/dompa/nodes.cljc @@ -95,10 +95,14 @@ (defmacro defhtml "Creates a new function with `name` that outputs HTML. + Optionally accepts a docstring between the name and the argument vector. + Example usage: ```clojure - (defhtml about-page [who] + (defhtml about-page + \"Renders the about page for the given person.\" + [who] ($ :div ($ \"hello \" who))) @@ -106,8 +110,11 @@ ``` " [name & args-and-elements] - (let [[args & elements] args-and-elements] - `(defn ~name ~args + (let [[maybe-doc & rest] args-and-elements + [docstring args elements] (if (string? maybe-doc) + [maybe-doc (first rest) (next rest)] + [nil maybe-doc rest])] + `(defn ~name ~@(when docstring [docstring]) ~args (->html (vector ~@elements))))) (defn- list-of-one? diff --git a/test/dompa/nodes_test.cljc b/test/dompa/nodes_test.cljc index 0340abb..e7c6616 100644 --- a/test/dompa/nodes_test.cljc +++ b/test/dompa/nodes_test.cljc @@ -16,10 +16,28 @@ ($ :div ($ "hello " who))) +(defhtml hello-with-doc + "Greets the given person with a div." + [who] + ($ :div + ($ "hello " who))) + (deftest defhtml-test (is (= "<div>hello world</div>" (hello "world")))) +(deftest defhtml-docstring-test + (testing "defhtml with docstring produces correct HTML" + (is (= "<div>hello world</div>" + (hello-with-doc "world")))) + #?(:clj + (testing "docstring is attached to the var metadata" + (is (= "Greets the given person with a div." + (:doc (meta #'hello-with-doc)))))) + #?(:clj + (testing "defhtml without docstring has no :doc metadata" + (is (nil? (:doc (meta #'hello))))))) + (defhtml list-items [items] ($ :ul (->> items |