Fix ideref-viewer predicate in cljs

Author: mk

resources/viewer-js-hash

@@ -1 +1 @@
-2Yw4kvEU5hCYT483hqGVpBMtz9Ln
+38F71uHxJsdbeuJsMnSfkow4eTQ2

src/nextjournal/clerk/sci_env.cljs

@@ -87,7 +87,8 @@
                        'nextjournal.clerk.render.hooks hooks-namespace
                        'nextjournal.clerk.viewer viewer-namespace
                        'nextjournal.clerk.parser parser-namespace
-                       'clojure.core {'swap! nextjournal.clerk.render/clerk-swap!}}
+                       'clojure.core {'swap! nextjournal.clerk.render/clerk-swap!
+                                      'read-string read-string}}
                       sci.configs.js-interop/namespaces
                       sci.configs.reagent/namespaces)})
 

src/nextjournal/clerk/viewer.cljc

@@ -681,7 +681,7 @@
                                     :render-fn '(fn [blob] [:figure.flex.flex-col.items-center.not-prose [:img {:src (nextjournal.clerk.render/url-for blob)}]])}))
 
 (def ideref-viewer
-  {:pred #(instance? IDeref %)
+  {:pred #(#?(:clj instance? :cljs satisfies?) IDeref %)
    :transform-fn (update-val (fn [ideref]
                                (with-viewer :tagged-value
                                  {:tag "object"