added symbols for later breakout groups to edit trackpoints

2026-09-30 11:55:25 +02:00
parent 6ecffb8137
commit 4314f610b6
10 changed files with 102 additions and 0 deletions
@@ -0,0 +1,51 @@
+(function (ns) {
+  'use strict';
+
+  const entries = Object.freeze([
+    ['🍎', 'Apfel'],
+    ['🔑', 'Schlüssel'],
+    ['🔔', 'Glocke'],
+    ['📘', 'Buch'],
+    ['🌻', 'Sonnenblume'],
+    ['☂️', 'Regenschirm'],
+    ['⚽', 'Fußball'],
+    ['☕', 'Tasse']
+  ].map(([unicode, label]) => Object.freeze({
+    unicode,
+    label,
+    imageUrl: `/images/group-symbols/${unicode}.png`
+  })));
+
+  // Presentation selectors must not create different symbols for the same object.
+  function normalizeUnicode(value) {
+    if (typeof value !== 'string') return null;
+    return value.normalize('NFC').replaceAll(/[\uFE0E\uFE0F]/g, '');
+  }
+
+  const byUnicode = new Map(entries.map(entry => [normalizeUnicode(entry.unicode), entry]));
+
+  /**
+   * Read-only catalogue of the eight approved group-code illustrations.
+   * Loading this file only registers the class; it does not create UI or sessions.
+   */
+  class GroupSymbols {
+    static list() {
+      return entries;
+    }
+
+    /** Returns the immutable motif descriptor, or null for an unknown symbol. */
+    static get(unicode) {
+      return byUnicode.get(normalizeUnicode(unicode)) ?? null;
+    }
+
+    static has(unicode) {
+      return this.get(unicode) !== null;
+    }
+
+    static imageUrl(unicode) {
+      return this.get(unicode)?.imageUrl ?? null;
+    }
+  }
+
+  ns.GroupSymbols = GroupSymbols;
+}(globalThis.Wegwichtel ??= {}));