chore(ember): Show warning when using invalid config

packages/ember/index.js

@@ -27,10 +27,22 @@ module.exports = {
     },
   },
 
-  config(_, appConfig) {
-    const addonConfig = appConfig['@sentry/ember'];
-    this.options['@embroider/macros'].setOwnConfig.sentryConfig = { ...addonConfig };
-    return this._super(...arguments);
+  included() {
+    const app = this._findHost();
+    const config = app.project.config(app.env);
+    const addonConfig = config['@sentry/ember'] || {};
+
+    if (!isSerializable(addonConfig)) {
+      console.warn(
+        `Warning: You passed a non-serializable config to \`ENV['@sentry/ember'].sentry\`.
+Non-serializable config (e.g. RegExp, ...) can only be passed directly to \`Sentry.init()\`, which is usually defined in app/app.js.
+The reason for this is that @embroider/macros, which is used under the hood to handle environment config, requires serializable configuration.`,
+      );
+    }
+
+    this.options['@embroider/macros'].setOwnConfig.sentryConfig = addonConfig;
+
+    this._super.included.apply(this, arguments);
   },
 
   contentFor(type, config) {
@@ -50,3 +62,40 @@ module.exports = {
 
   injectedScriptHashes: [initialLoadHeadSnippetHash, initialLoadBodySnippetHash],
 };
+
+function isSerializable(obj) {
+  if (isScalar(obj)) {
+    return true;
+  }
+
+  if (Array.isArray(obj)) {
+    return !obj.some(arrayItem => !isSerializable(arrayItem));
+  }
+
+  if (isPlainObject(obj)) {
+    for (let property in obj) {
+      let value = obj[property];
+      if (!isSerializable(value)) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  return false;
+}
+
+function isScalar(val) {
+  return (
+    typeof val === 'undefined' ||
+    typeof val === 'string' ||
+    typeof val === 'boolean' ||
+    typeof val === 'number' ||
+    val === null
+  );
+}
+
+function isPlainObject(obj) {
+  return typeof obj === 'object' && obj.constructor === Object && obj.toString() === '[object Object]';
+}