Import helper: Improve error messages of non-matching presets; fix bug if a value is 'null' in source geojson

Logic/Tags/And.ts

@@ -148,12 +148,6 @@ export class And extends TagsFilter {
         return result;
     }
 
-    AsJson() {
-        return {
-            and: this.and.map(a => a.AsJson())
-        }
-    }
-    
     optimize(): TagsFilter | boolean {
         if(this.and.length === 0){
             return true

Logic/Tags/Or.ts

@@ -85,12 +85,6 @@ export class Or extends TagsFilter {
         return result;
     }
 
-    AsJson() {
-        return {
-            or: this.or.map(o => o.AsJson())
-        }
-    }
-
     optimize(): TagsFilter | boolean {
         
         if(this.or.length === 0){

Logic/Tags/TagUtils.ts

@@ -167,6 +167,34 @@ export class TagUtils {
         return new Tag(tag[0], tag[1]);
     }
 
+    /**
+     * Returns wether or not a keys is (probably) a valid key.
+     * 
+     * // should accept common keys
+     * TagUtils.isValidKey("name") // => true
+     * TagUtils.isValidKey("image:0") // => true
+     * TagUtils.isValidKey("alt_name") // => true
+     * 
+     * // should refuse short keys
+     * TagUtils.isValidKey("x") // => false
+     * TagUtils.isValidKey("xy") // => false
+     * 
+     * // should refuse a string with >255 characters
+     * let a255 = ""
+     * for(let i = 0; i < 255; i++) { a255 += "a"; }
+     * a255.length // => 255
+     * TagUtils.isValidKey(a255) // => true
+     * TagUtils.isValidKey("a"+a255) // => false
+     * 
+     * // Should refuse unexpected characters
+     * TagUtils.isValidKey("with space") // => false
+     * TagUtils.isValidKey("some$type") // => false
+     * TagUtils.isValidKey("_name") // => false
+     */
+    public static isValidKey(key: string): boolean {
+        return key.match(/^[a-z][a-z0-9:_]{2,253}[a-z0-9]$/) !== null
+    }
+    
     /**
      * Parses a tag configuration (a json) into a TagsFilter
      * 

Logic/Tags/TagsFilter.ts

@@ -26,8 +26,6 @@ export abstract class TagsFilter {
      */
     abstract asChange(properties: any): { k: string, v: string }[]
 
-    abstract AsJson() ;
-
     /**
      * Returns an optimized version (or self) of this tagsFilter
      */

Logic/Web/QueryParameters.ts

@@ -91,8 +91,10 @@ export class QueryParameters {
 
             parts.push(encodeURIComponent(key) + "=" + encodeURIComponent(QueryParameters.knownSources[key].data))
         }
-        // Don't pollute the history every time a parameter changes
-        history.replaceState(null, "", "?" + parts.join("&") + Hash.Current());
+        if(!Utils.runningFromConsole){
+            // Don't pollute the history every time a parameter changes
+            history.replaceState(null, "", "?" + parts.join("&") + Hash.Current());
+        }
 
     }
 }