55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
globalThis.Wegwichtel ??= {};
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(function (ns) {
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'use strict';
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const entries = Object.freeze([
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['🪵', "symbols.wood"],
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['🪨', "symbols.rock"],
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['🏮', "symbols.lantern"],
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['🌼', "symbols.flower"],
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['🚬', "symbols.pipe"],
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['🐦', "symbols.bird"],
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['🍄', "symbols.mushroom"],
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['🍓', "symbols.strawberry"],
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['🎃', "symbols.pumpkin"]
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].map(([unicode, labelKey]) => Object.freeze({
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unicode,
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get label() { return ns.I18n.t(labelKey); },
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imageUrl: `/images/group-symbols/${unicode}.png`
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})));
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// Presentation selectors must not create different symbols for the same object.
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function normalizeUnicode(value) {
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if (typeof value !== 'string') return null;
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return value.normalize('NFC').replaceAll(/[\uFE0E\uFE0F]/g, '');
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}
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const byUnicode = new Map(entries.map(entry => [normalizeUnicode(entry.unicode), entry]));
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/**
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* Read-only catalogue of the nine group-code motifs.
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* Loading this file only registers the class; it does not create UI or sessions.
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*/
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class GroupSymbols {
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static list() {
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return entries;
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}
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/** Returns the immutable motif descriptor, or null for an unknown symbol. */
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static get(unicode) {
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return byUnicode.get(normalizeUnicode(unicode)) ?? null;
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}
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static has(unicode) {
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return this.get(unicode) !== null;
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}
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static imageUrl(unicode) {
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return this.get(unicode)?.imageUrl ?? null;
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}
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}
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ns.GroupSymbols = GroupSymbols;
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}(globalThis.Wegwichtel));
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