add viz 2 post

1 files changed, 26 insertions, 0 deletions

diff --git a/assets/viz/2/quil/middlewares/deprecated_options.cljc b/assets/viz/2/quil/middlewares/deprecated_options.cljc
new file mode 100644
index 0000000..6ed40d2
--- /dev/null
+++ b/assets/viz/2/quil/middlewares/deprecated_options.cljc
@@ -0,0 +1,26 @@
+(ns quil.middlewares.deprecated-options)
+
+(def ^:private deprecated
+  {:decor ["2.0" "Try :features [:present] for similar effect"]
+   :target ["2.0" "Use :features [:keep-on-top] instead."]
+   :safe-draw-fn ["2.0" "Use :features [:no-safe-fns] instead."]})
+
+(defn- check-features-vector [features]
+  (let [features (set features)]
+    (when (features :no-safe-draw)
+      (println "Feature :no-safe-draw was renamed to :no-safe-fns in Quil 2.1."
+               "Use :feature [:no-safe-fns] now."))
+    (disj features :no-safe-draw)))
+
+(defn deprecated-options
+  "Checks if options map contains deprected options and removes them.
+  Prints messages how to fix deprecated functions."
+  [options]
+  (let [options (update-in options [:features] check-features-vector)]
+    (->> (for [[name value] options]
+           (if-let [[version message] (deprecated name)]
+             (do (println name "option was removed in Quil" version "." message)
+                 nil)
+             [name value]))
+         (remove nil?)
+         (into {}))))