Font related improvements

2026-08-13 12:05:47 -07:00
parent 4eda93cf24
commit acc4c117f7
19 changed files with 317 additions and 41 deletions
@@ -0,0 +1,67 @@
+import { createHash } from 'node:crypto'
+import { readdir, readFile } from 'node:fs/promises'
+
+const dist = new URL('../dist/', import.meta.url)
+
+async function filesBelow(directory, prefix = '') {
+  const entries = await readdir(directory, { withFileTypes: true })
+  const files = []
+  for (const entry of entries) {
+    const relative = `${prefix}${entry.name}`
+    if (entry.isDirectory()) {
+      files.push(...(await filesBelow(new URL(`${entry.name}/`, directory), `${relative}/`)))
+    } else {
+      files.push(relative)
+    }
+  }
+  return files
+}
+
+const files = await filesBelow(dist)
+const expectedFonts = ['noto-serif-sc', 'zcool-xiaowei', 'lxgw-wenkai']
+const liyuFont = 'fonts/liyu-shoushu-v0.107.woff2'
+
+for (const font of expectedFonts) {
+  if (!files.some(file => file.startsWith(`assets/${font}-`) && file.endsWith('.woff2'))) {
+    throw new Error(`Missing bundled WOFF2 assets for ${font}`)
+  }
+  if (!files.includes(`fonts/licenses/${font}-OFL.txt`)) {
+    throw new Error(`Missing bundled license for ${font}`)
+  }
+}
+
+if (!files.includes(liyuFont)) throw new Error('Missing bundled WOFF2 asset for liyu-shoushu')
+if (!files.includes('fonts/licenses/liyu-shoushu-OFL.txt')) {
+  throw new Error('Missing bundled license for liyu-shoushu')
+}
+const liyuDigest = createHash('sha256')
+  .update(await readFile(new URL(liyuFont, dist)))
+  .digest('hex')
+if (liyuDigest !== 'b17f8c4fc6612a539d7a46e0eb5f57fdc732cff1d17804563b00a3f0a7eb9ab3') {
+  throw new Error(`Unexpected liyu-shoushu WOFF2 digest: ${liyuDigest}`)
+}
+
+const legacyWoff = files.find(file => file.endsWith('.woff'))
+if (legacyWoff) throw new Error(`Unexpected legacy WOFF asset: ${legacyWoff}`)
+
+const css = (
+  await Promise.all(
+    files.filter(file => file.endsWith('.css')).map(file => readFile(new URL(file, dist), 'utf8')),
+  )
+).join('\n')
+
+for (const family of ['Noto Serif SC', 'ZCOOL XiaoWei', 'LXGW WenKai', 'Liyu Shoushu']) {
+  const declarations = [
+    `font-family:${family}`,
+    `font-family:${JSON.stringify(family)}`,
+    `font-family:'${family}'`,
+  ]
+  if (!declarations.some(declaration => css.includes(declaration))) {
+    throw new Error(`Missing @font-face declaration for ${family}`)
+  }
+}
+if (!css.includes('font-display:block') || css.includes('font-display:swap')) {
+  throw new Error('Bundled fonts must block local fallback while loading')
+}
+
+console.log('Verified same-origin WOFF2 component fonts and licenses.')