Initial

resources/app/client/data/documents/ambient-light.js

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+/**
+ * The client-side AmbientLight document which extends the common BaseAmbientLight document model.
+ * @extends foundry.documents.BaseAmbientLight
+ * @mixes ClientDocumentMixin
+ *
+ * @see {@link Scene}                     The Scene document type which contains AmbientLight documents
+ * @see {@link foundry.applications.sheets.AmbientLightConfig} The AmbientLight configuration application
+ */
+class AmbientLightDocument extends CanvasDocumentMixin(foundry.documents.BaseAmbientLight) {
+
+  /* -------------------------------------------- */
+  /*  Event Handlers                              */
+  /* -------------------------------------------- */
+
+  /** @inheritDoc */
+  _onUpdate(changed, options, userId) {
+    const configs = Object.values(this.apps).filter(app => {
+      return app instanceof foundry.applications.sheets.AmbientLightConfig;
+    });
+    configs.forEach(app => {
+      if ( app.preview ) options.animate = false;
+      app._previewChanges(changed);
+    });
+    super._onUpdate(changed, options, userId);
+    configs.forEach(app => app._previewChanges());
+  }
+
+  /* -------------------------------------------- */
+  /*  Model Properties                            */
+  /* -------------------------------------------- */
+
+  /**
+   * Is this ambient light source global in nature?
+   * @type {boolean}
+   */
+  get isGlobal() {
+    return !this.walls;
+  }
+}