inlined structuredClone (#231)

removed the polyfill detection for structuredClone and instead used our polyfill always

webclient/src/core.js

@@ -71,35 +71,28 @@ const cachedFetch = (() => ({
 
 // the following is a poor implementation of a structuredClone(item) polyfill
 // (read: this is not the full implementation browsers follow, but a simplified version)
-// TODO: remove this, once Samsung Internet implements this. See https://caniuse.com/mdn-api_structuredclone
-
-console.debug({scType:typeof structuredClone})
-if (typeof structuredClone === "undefined") {
-  console.warn("You are using an out of date browser. Please consider upgrading it.")
-  // eslint-disable-next-line no-inner-declarations, no-unused-vars
-  function structuredClone(item) {
-    // cf. StackOverflow: https://stackoverflow.com/questions/728360/how-do-i-correctly-clone-a-javascript-object
-    // item has to be serializable!
-    if (item == null || typeof item !== "object") return item;
-    // Arrays are currently not cloned (TODO: is this required?)
-    if (item instanceof Array) {
-      return item;
-    }
-    if (!(item instanceof Object))
-      console.error(
-        `Items of type ${typeof item} (${item}) cant be structuredClone'd`
-      );
-
-    const copy = {};
-    Object.keys(item).forEach((key) => {
-      if (
-        key !== "__ob__" && // stuff by vue, recursive!
-        Object.prototype.hasOwnProperty.call(item, key) // google no-prototype-builtins for an explanation of this line
-      )
-        copy[key] = structuredClone(item[key]);
-    });
-    return copy;
+function structuredClone(item) {
+  // cf. StackOverflow: https://stackoverflow.com/questions/728360/how-do-i-correctly-clone-a-javascript-object
+  // item has to be serializable!
+  if (item == null || typeof item !== "object") return item;
+  // Arrays are currently not cloned (TODO: is this required?)
+  if (item instanceof Array) {
+    return item;
   }
+  if (!(item instanceof Object))
+    console.error(
+      `Items of type ${typeof item} (${item}) cant be structuredClone'd`
+    );
+
+  const copy = {};
+  Object.keys(item).forEach((key) => {
+    if (
+      key !== "__ob__" && // stuff by vue, recursive!
+      Object.prototype.hasOwnProperty.call(item, key) // google no-prototype-builtins for an explanation of this line
+    )
+      copy[key] = structuredClone(item[key]);
+  });
+  return copy;
 }
 
 navigatum = (() => {