Split packages into platform and extensions

platform/core/src/classes/ImageSet.js

@@ -0,0 +1,68 @@
+import guid from '../utils/guid.js';
+import OHIFError from './OHIFError';
+
+const OBJECT = 'object';
+
+/**
+ * This class defines an ImageSet object which will be used across the viewer. This object represents
+ * a list of images that are associated by any arbitrary criteria being thus content agnostic. Besides the
+ * main attributes (images and uid) it allows additional attributes to be appended to it (currently
+ * indiscriminately, but this should be changed).
+ */
+class ImageSet {
+  constructor(images) {
+    if (Array.isArray(images) !== true) {
+      throw new OHIFError('ImageSet expects an array of images');
+    }
+
+    // @property "images"
+    Object.defineProperty(this, 'images', {
+      enumerable: false,
+      configurable: false,
+      writable: false,
+      value: images,
+    });
+
+    // @property "uid"
+    Object.defineProperty(this, 'uid', {
+      enumerable: false,
+      configurable: false,
+      writable: false,
+      value: guid(), // Unique ID of the instance
+    });
+  }
+
+  getUID() {
+    return this.uid;
+  }
+
+  setAttribute(attribute, value) {
+    this[attribute] = value;
+  }
+
+  getAttribute(attribute) {
+    return this[attribute];
+  }
+
+  setAttributes(attributes) {
+    if (typeof attributes === OBJECT && attributes !== null) {
+      const imageSet = this,
+        hasOwn = Object.prototype.hasOwnProperty;
+      for (let attribute in attributes) {
+        if (hasOwn.call(attributes, attribute)) {
+          imageSet[attribute] = attributes[attribute];
+        }
+      }
+    }
+  }
+
+  getImage(index) {
+    return this.images[index];
+  }
+
+  sortBy(sortingCallback) {
+    return this.images.sort(sortingCallback);
+  }
+}
+
+export default ImageSet;