Merge develop

src/Utils.ts

@@ -401,6 +401,19 @@ In the case that MapComplete is pointed to the testing grounds, the edit will be
         return newArr
     }
 
+    public static DedupT<T>(arr: T[]): T[]{
+        if(!arr){
+            return arr
+        }
+        const items = []
+        for (const item of arr) {
+            if(items.indexOf(item) < 0){
+                items.push(item)
+            }
+        }
+        return items
+    }
+
     /**
      * Finds all duplicates in a list of strings
      *
@@ -1064,19 +1077,22 @@ In the case that MapComplete is pointed to the testing grounds, the edit will be
     public static async downloadJsonCached<T = object | []>(
         url: string,
         maxCacheTimeMs: number,
-        headers?: Record<string, string>
+        headers?: Record<string, string>,
+        dontCacheErrors: boolean = false
     ): Promise<T> {
-        const result = await Utils.downloadJsonCachedAdvanced(url, maxCacheTimeMs, headers)
+        const result = await Utils.downloadJsonCachedAdvanced(url, maxCacheTimeMs, headers, dontCacheErrors)
         if (result["content"]) {
             return result["content"]
         }
         throw result["error"]
+
     }
 
     public static async downloadJsonCachedAdvanced<T = object | []>(
         url: string,
         maxCacheTimeMs: number,
-        headers?: Record<string, string>
+        headers?: Record<string, string>,
+        dontCacheErrors = false
     ): Promise<{ content: T } | { error: string; url: string; statuscode?: number }> {
         const cached = Utils._download_cache.get(url)
         if (cached !== undefined) {
@@ -1090,7 +1106,15 @@ In the case that MapComplete is pointed to the testing grounds, the edit will be
                 headers
             )
         Utils._download_cache.set(url, { promise, timestamp: new Date().getTime() })
+        try {
+
         return await promise
+        }catch (e) {
+                if(dontCacheErrors){
+                    Utils._download_cache.delete(url)
+                }
+            throw e
+        }
     }
 
     public static async downloadJson<T = object | []>(