1 files changed, 37 insertions, 0 deletions
diff --git a/node_modules/@jet-app/app-store/tmp/src/foundation/json-parsing/derived-data.js b/node_modules/@jet-app/app-store/tmp/src/foundation/json-parsing/derived-data.js
new file mode 100644
index 0000000..fdf1f4e
--- /dev/null
+++ b/node_modules/@jet-app/app-store/tmp/src/foundation/json-parsing/derived-data.js
@@ -0,0 +1,37 @@
+import * as validation from "@jet/environment/json/validation";
+import * as serverData from "./server-data";
+const DERIVED_CACHE_KEY = "_jet-internal:derived-data";
+export function value(data, key, generator) {
+    if (!data) {
+        return null;
+    }
+    return validation.context(key, () => {
+        let computedDataStore = data[DERIVED_CACHE_KEY];
+        let returnValue = null;
+        if (!computedDataStore) {
+            computedDataStore = {};
+            data[DERIVED_CACHE_KEY] = computedDataStore;
+            returnValue = generateValue(computedDataStore, key, generator);
+        }
+        else {
+            returnValue = serverData.traverse(computedDataStore, key);
+            if (!returnValue) {
+                returnValue = generateValue(computedDataStore, key, generator);
+            }
+        }
+        return returnValue;
+    });
+}
+/**
+ * Computes an unknown value and saves it back into computedDataStore
+ * @param {JSONData} computedDataStore The dictionary in which to store the data
+ * @param {string} key The key to store it with
+ * @param {() => T} generator A function that will generate the value
+ * @returns {T} The value that was generated
+ */
+function generateValue(computedDataStore, key, generator) {
+    const generatedValue = generator();
+    computedDataStore[key] = generatedValue;
+    return generatedValue;
+}
+//# sourceMappingURL=derived-data.js.map
+\ No newline at end of file