Setup cljs test environment

.gitignore

@@ -15,3 +15,4 @@ pom.xml.asc
 .nrepl-port
 .cpcache/
 .nrepl-port
+node_modules/

deps.edn

@@ -10,7 +10,7 @@
  :aliases
  {:provided
   {:extra-deps {org.clojure/clojure       {:mvn/version "1.10.0"}
-                org.clojure/clojurescript {:mvn/version "1.10.520"}}}
+                org.clojure/clojurescript {:mvn/version "1.10.764"}}}
 
   :graph-render
   {:extra-deps {macroz/tangle {:mvn/version "0.2.1"}}}
@@ -20,4 +20,8 @@
    :extra-deps  {com.cognitect/test-runner {:git/url "https://github.com/cognitect-labs/test-runner.git"
                                             :sha     "209b64504cb3bd3b99ecfec7937b358a879f55c1"}
                  macroz/tangle             {:mvn/version "0.2.1"}}
-   :main-opts   ["-m" "cognitect.test-runner"]}}}
+   :main-opts   ["-m" "cognitect.test-runner"]}
+
+  :test-cljs
+  {:extra-paths ["test"]
+   :extra-deps  {thheller/shadow-cljs {:mvn/version "2.10.21"}}}}}

karma.conf.js

@@ -0,0 +1,17 @@
+module.exports = function (config) {
+  config.set({
+    browsers: ['ChromeHeadless'],
+    // The directory where the output file lives
+    basePath: 'target',
+    // The file itself
+    files: ['ci.js'],
+    frameworks: ['cljs-test'],
+    plugins: ['karma-cljs-test', 'karma-chrome-launcher'],
+    colors: true,
+    logLevel: config.LOG_INFO,
+    client: {
+      args: ["shadow.test.karma.init"],
+      singleRun: true
+    }
+  })
+};