japji/resources/public/cljs/codemirror.cljs
2025-09-01 12:49:14 +01:00

57 lines
1.8 KiB
Clojure

(require '[clojure.string :as str])
(declare cm)
(defn eval-me []
(js/scittle.core.eval_string (-> cm .-state .-doc .toString)))
(def extension
(.of js/cv.keymap
(clj->js [{:key "Mod-Enter"
:run (fn []
(eval-me))}
#_{:key (str modifier "-Enter")
:shift (partial eval-top-level on-result)
:run (partial eval-at-cursor on-result)}])))
(def cm
(let [doc (str/trim "
(require '[reagent.core :as r]
'[reagent.dom :as rdom]
'[re-frame.core :as rf])
(rf/reg-event-fx ::click (fn [{:keys [db]} _] {:db (update db :clicks (fnil inc 0))}))
(rf/reg-sub ::clicks (fn [db] (:clicks db)))
(defn my-component []
(let [clicks (rf/subscribe [::clicks])]
[:div
[:p \"Clicks: \" @clicks]
[:p [:button {:on-click #(rf/dispatch [::click])}
\"Click me!\"]]]))
(rdom/render [my-component] (.getElementById js/document \"reagent\"))
")]
(js/cm.EditorView. #js {:doc doc
:extensions #js [js/cm.basicSetup, (js/lc.clojure), (.highest js/cs.Prec extension)]
:parent (js/document.querySelector "#app")
#_#_:dispatch (fn [tr] (-> cm (.update #js [tr])) (eval-me))
})))
(set! (.-eval_me js/globalThis) eval-me)
(set! (.-cm_instance js/globalThis) cm)
(defn linux? []
(some? (re-find #"(Linux)|(X11)" js/navigator.userAgent)))
(defn mac? []
(and (not (linux?))
(some? (re-find #"(Mac)|(iPhone)|(iPad)|(iPod)" js/navigator.platform))))
(let [elt (js/document.getElementById "evalMe")
txt (.-innerText elt)
mod-symbol (if (mac?)
"⌘"
"⌃")
txt (str txt " " mod-symbol"-⏎")]
(set! (.-innerHTML elt) txt))
(eval-me)