Refactoring: move all code files into a src directory

src/UI/InputElement/Validators/WikidataValidator.ts

@@ -0,0 +1,34 @@
+import Combine from "../../Base/Combine"
+import Wikidata from "../../../Logic/Web/Wikidata"
+import WikidataSearchBox from "../../Wikipedia/WikidataSearchBox"
+import { Validator } from "../Validator"
+
+export default class WikidataValidator extends Validator {
+    constructor() {
+        super("wikidata", new Combine(["A wikidata identifier, e.g. Q42.", WikidataSearchBox.docs]))
+    }
+
+    public isValid(str): boolean {
+        if (str === undefined) {
+            return false
+        }
+        if (str.length <= 2) {
+            return false
+        }
+        return !str.split(";").some((str) => Wikidata.ExtractKey(str) === undefined)
+    }
+
+    public reformat(str) {
+        if (str === undefined) {
+            return undefined
+        }
+        let out = str
+            .split(";")
+            .map((str) => Wikidata.ExtractKey(str))
+            .join("; ")
+        if (str.endsWith(";")) {
+            out = out + ";"
+        }
+        return out
+    }
+}