add favicon

2026-07-15 18:09:19 +09:00
1 parent a74fe7a388
commit 5ac6281304
@@ -0,0 +1,100 @@
+/**
+ * Favicon SVGs based on Material Design Icons (@mdi/svg), Apache License 2.0.
+ * https://github.com/Templarian/MaterialDesign
+ */
+
+import { extensionOf } from '@/config/app';
+
+type FaviconKind =
+  | 'home'
+  | 'pdf'
+  | 'word'
+  | 'excel'
+  | 'powerpoint'
+  | 'hwp'
+  | 'text'
+  | 'csv'
+  | 'file';
+
+const PATHS: Record<FaviconKind, string> = {
+  home: 'M9,13H15V19H18V10L12,5.5L6,10V19H9V13M4,21V9L12,3L20,9V21H4Z',
+  pdf: 'M19 3H5C3.9 3 3 3.9 3 5V19C3 20.1 3.9 21 5 21H19C20.1 21 21 20.1 21 19V5C21 3.9 20.1 3 19 3M9.5 11.5C9.5 12.3 8.8 13 8 13H7V15H5.5V9H8C8.8 9 9.5 9.7 9.5 10.5V11.5M14.5 13.5C14.5 14.3 13.8 15 13 15H10.5V9H13C13.8 9 14.5 9.7 14.5 10.5V13.5M18.5 10.5H17V11.5H18.5V13H17V15H15.5V9H18.5V10.5M12 10.5H13V13.5H12V10.5M7 10.5H8V11.5H7V10.5Z',
+  word: 'M15.5,17H14L12,9.5L10,17H8.5L6.1,7H7.8L9.34,14.5L11.3,7H12.7L14.67,14.5L16.2,7H17.9M19,3H5C3.89,3 3,3.89 3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V5C21,3.89 20.1,3 19,3Z',
+  excel:
+    'M16.2,17H14.2L12,13.2L9.8,17H7.8L11,12L7.8,7H9.8L12,10.8L14.2,7H16.2L13,12M19,3H5C3.89,3 3,3.89 3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V5C21,3.89 20.1,3 19,3Z',
+  powerpoint:
+    'M9.8,13.4H12.3C13.8,13.4 14.46,13.12 15.1,12.58C15.74,12.03 16,11.25 16,10.23C16,9.26 15.75,8.5 15.1,7.88C14.45,7.29 13.83,7 12.3,7H8V17H9.8V13.4M19,3A2,2 0 0,1 21,5V19A2,2 0 0,1 19,21H5A2,2 0 0,1 3,19V5C3,3.89 3.9,3 5,3H19M9.8,12V8.4H12.1C12.76,8.4 13.27,8.65 13.6,9C13.93,9.35 14.1,9.72 14.1,10.24C14.1,10.8 13.92,11.19 13.6,11.5C13.28,11.81 12.9,12 12.22,12H9.8Z',
+  hwp: 'M17,4V10L15,8L13,10V4H9V20H19V4H17M3,7V5H5V4C5,2.89 5.9,2 7,2H19C20.05,2 21,2.95 21,4V20C21,21.05 20.05,22 19,22H7C5.95,22 5,21.05 5,20V19H3V17H5V13H3V11H5V7H3M5,5V7H7V5H5M5,19H7V17H5V19M5,13H7V11H5V13Z',
+  text: 'M6,2A2,2 0 0,0 4,4V20A2,2 0 0,0 6,22H18A2,2 0 0,0 20,20V8L14,2H6M6,4H13V9H18V20H6V4M8,12V14H16V12H8M8,16V18H13V16H8Z',
+  csv: 'M14 2H6C4.9 2 4 2.9 4 4V20C4 21.1 4.9 22 6 22H18C19.1 22 20 21.1 20 20V8L14 2M18 20H6V4H13V9H18V20M10 19L12 15H9V10H15V15L13 19H10',
+  file: 'M6,2A2,2 0 0,0 4,4V20A2,2 0 0,0 6,22H18A2,2 0 0,0 20,20V8L14,2H6M6,4H13V9H18V20H6V4M8,12V14H16V12H8M8,16V18H13V16H8Z',
+};
+
+const COLORS: Record<FaviconKind, string> = {
+  home: '#2f6b55',
+  pdf: '#e53935',
+  word: '#1e88e5',
+  excel: '#43a047',
+  powerpoint: '#fb8c00',
+  hwp: '#00897b',
+  text: '#607d8b',
+  csv: '#00838f',
+  file: '#546e7a',
+};
+
+const EXT_KIND: Record<string, FaviconKind> = {
+  pdf: 'pdf',
+  doc: 'word',
+  docx: 'word',
+  odt: 'word',
+  rtf: 'word',
+  dotx: 'word',
+  xls: 'excel',
+  xlsx: 'excel',
+  ods: 'excel',
+  xltx: 'excel',
+  csv: 'csv',
+  ppt: 'powerpoint',
+  pptx: 'powerpoint',
+  odp: 'powerpoint',
+  potx: 'powerpoint',
+  hwp: 'hwp',
+  hwpx: 'hwp',
+  txt: 'text',
+};
+
+function toDataUri(kind: FaviconKind): string {
+  const svg = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="${COLORS[kind]}" d="${PATHS[kind]}"/></svg>`;
+  return `data:image/svg+xml,${encodeURIComponent(svg)}`;
+}
+
+const CACHE = new Map<FaviconKind, string>();
+
+export function faviconHrefFor(filename?: string | null): string {
+  const name = filename?.trim();
+  let kind: FaviconKind = 'home';
+  if (name) {
+    const ext = extensionOf(name);
+    kind = ext ? (EXT_KIND[ext] ?? 'file') : 'home';
+  }
+  let href = CACHE.get(kind);
+  if (!href) {
+    href = toDataUri(kind);
+    CACHE.set(kind, href);
+  }
+  return href;
+}
+
+export function setFavicon(href: string) {
+  let link = document.querySelector<HTMLLinkElement>("link[rel='icon']");
+  if (!link) {
+    link = document.createElement('link');
+    link.rel = 'icon';
+    document.head.appendChild(link);
+  }
+  link.type = 'image/svg+xml';
+  // Bust stubborn tab caches when switching between data URIs
+  if (link.href !== href) {
+    link.href = href;
+  }
+}