JS frontend stuff

Move old ember frontend to properly named folder
Add vue based new frontend

frontend-old-ember/app/helpers/equals.ts

@@ -0,0 +1,7 @@
+import { helper } from '@ember/component/helper';
+
+export default helper(function equals(args) {
+  if (args.length != 2) return false;
+  console.log(args[0], args[1]);
+  return args[0] == args[1];
+});

frontend-old-ember/app/helpers/formatter.ts

@@ -0,0 +1,24 @@
+import { helper } from '@ember/component/helper'
+
+class Token {
+  declare token: string
+  declare elements: Array<string | Token>
+
+  public constructor(token: string) {
+    this.token = token
+    this.elements = new Array()
+  }
+}
+
+export default helper(function formatter(
+  positional: Array<string>,
+  named: {
+    matchers: Array<{ match: RegExp; replace: string }>
+  },
+): string {
+  let out = positional[0] ?? ''
+  named.matchers.forEach((x) => {
+    out = out.replaceAll(x.match, x.replace)
+  })
+  return out
+})

frontend-old-ember/app/helpers/is-valid-mail.ts

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+import { helper } from '@ember/component/helper';
+
+const re = /.+@\S+\.\S+/;
+
+// Helper to check if a given email is *probably* valid
+// Ofc, the only surefire way to check if an email exists is to send a test mail to it.
+// This sending is expensive however, and thus some mostly sane defaults can be checked for
+// beforehand. "Bananentürkis" for example is obviously not a valid address
+export default helper(function isValidMail(positional: string[] /*, named*/) {
+  for (const mail of positional) {
+    if (!re.test(mail)) return false;
+  }
+  return true;
+});

frontend-old-ember/app/helpers/isLandscape.ts

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+export default function isLandscape(): boolean {
+  return (
+    Math.min(screen.availHeight, window.innerHeight) <
+    Math.min(screen.availWidth, window.innerWidth)
+  );
+}