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dom.cljs
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dom.cljs
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(ns dgknght.app-lib.dom
(:refer-clojure :exclude [comment])
(:require [dgknght.app-lib.client-macros :refer-macros [with-retry]]
[goog.object :as obj]))
(defn target
[event]
(.-target event))
(defn value
[elem]
(.-value elem))
(defn bounding-client-rect
([elem] (bounding-client-rect elem {}))
([elem {:keys [as-clojure?]}]
(let [raw (.getBoundingClientRect elem)]
(if as-clojure?
{:x (.-x raw)
:y (.-y raw)
:width (.-width raw)
:height (.-height raw)
:top (.-top raw)
:bottom (.-bottom raw)
:left (.-left raw)
:right (.-right raw)}
raw))))
(def ^:private key-codes
{9 :tab
13 :enter
27 :escape
37 :left
38 :up
39 :right
40 :down})
(defn key-code
[event]
(get-in key-codes [(.-keyCode event)]))
(defn ctrl-key?
[event]
(.-ctrlKey event))
(defn shift-key?
[event]
(.-shiftKey event))
(defn checked?
[event]
(.-checked (target event)))
(defn set-focus
[id]
(with-retry
(.focus (.getElementById js/document id))))
(defn- resolve-elem
[id-or-elem]
(if (string? id-or-elem)
(.getElementById js/document id-or-elem)
id-or-elem))
(defn set-style
[id-or-elem k v]
(-> id-or-elem
resolve-elem
(obj/get "style")
(obj/set k v)))
(defn get-style
[id-or-elem k]
(-> id-or-elem
resolve-elem
(obj/get "style")
(obj/get k)))
(defn debounce
([f] (debounce f 300))
([f timeout]
(let [id (atom nil)]
(fn [& args]
(js/clearTimeout @id)
(reset! id (js/setTimeout #(apply f args)
timeout))))))