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Compile time transforms #72

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e44861c
compile-time transforms
alesya-h Oct 25, 2016
77508f4
add [] syntax sugar for compile-time (kioo/content)
alesya-h Oct 25, 2016
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12 changes: 11 additions & 1 deletion src/kioo/core.clj
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
[clojure.string :as string]
[kioo.html-parser :as parser]
[hickory.core :as hickory]
[kioo.common :as common]
[clojure.java.io :as io]))

(declare compile component*)
Expand Down Expand Up @@ -91,9 +92,18 @@
(map? sel) {}
:else []) sel))

(defn apply-and-attach-transforms [node sel trans]
(cond
(vector? trans) (recur node sel {`(common/content) (list* trans)})
(not (map? trans)) (recur node sel {`identity trans})
:else (let [[compile-time runtime] (first trans)]
(-> node
(at (eval-selector sel) (eval compile-time))
(at (eval-selector sel) (attach-transform runtime))))))

(defn map-trans [node trans-lst]
(reduce (fn [node [sel trans]]
(at node (eval-selector sel) (attach-transform trans)))
(apply-and-attach-transforms node sel trans))
node
trans-lst))

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8 changes: 8 additions & 0 deletions test/kioo/core_test.cljs
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Expand Up @@ -21,6 +21,14 @@
(let [comp (component "simple-div.html"
{[:div] (content "success")})]
(is (= "<div id=\"tmp\">success</div>" (render-dom comp)))))
(testing "compile-time content replace"
(let [comp (component "simple-div.html"
{[:div] {(kioo.common/content "success") (wrap :section {})}})]
(is (= "<section><div id=\"tmp\">success</div></section>" (render-dom comp)))))
(testing "compile-time empty content sugar"
(let [comp (component "simple-div.html"
{[:div] [wrap :section {}]})]
(is (= "<section><div id=\"tmp\"></div></section>" (render-dom comp)))))
(testing "first-of-type naked symbol"
(let [comp (component "list.html" [:ul [:li first-of-type]] {})]
(is (= "<li>1</li>" (render-dom comp)))))
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