freeze loaded data

lookit · Apr 18, 2024 · cf81bd4 · cf81bd4
1 parent c4f2cf8
commit cf81bd4
Show file tree

Hide file tree

Showing 3 changed files with 18 additions and 1 deletion.
diff --git a/package-lock.json b/package-lock.json
diff --git a/packages/data/package.json b/packages/data/package.json
@@ -20,6 +20,9 @@
     "dev": "rollup --config rollup.config.dev.mjs --watch",
     "test": "jest --coverage"
   },
+  "dependencies": {
+    "deep-freeze-es6": "^3.0.2"
+  },
   "devDependencies": {
     "@jspsych/config": "^2.0.0",
     "jest-fetch-mock": "^3.0.3"

diff --git a/packages/data/src/index.ts b/packages/data/src/index.ts
@@ -1,3 +1,4 @@
+import deepFreeze from "deep-freeze-es6";
 import {
   finish,
   retrieveChild,
@@ -20,7 +21,7 @@ declare global {
 }
 
 async function load(response_uuid: string) {
-  !window.chs &&
+  if (!window.chs) {
     Object.assign(window, {
       chs: {
         study: await retrieveStudy(),
@@ -29,6 +30,8 @@ async function load(response_uuid: string) {
         response: await retrieveResponse(response_uuid),
       },
     });
+    deepFreeze(window.chs);
+  }
 }
 
 export default { load, retrieveResponse, updateResponse, finish };