Sync public snapshot from freebuff-private

Source: CodebuffAI/freebuff-private@5ef276afee975af8ff666f3cdfe410373a88d35b

Author: github-actions[bot]

common/src/desktop-cloud/image-files.test.ts

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+import { expect, test } from 'bun:test'
+import { imageMimeType } from './image-files'
+
+test('recognizes supported image extensions without misclassifying text or extensionless paths', () => {
+  for (const extension of [
+    'png',
+    'jpg',
+    'jpeg',
+    'gif',
+    'webp',
+    'avif',
+    'svg',
+    'ico',
+    'bmp',
+  ]) {
+    expect(
+      imageMimeType(`assets/photo.${extension}`)?.startsWith('image/'),
+    ).toBe(true)
+  }
+  expect(imageMimeType('PHOTO.PNG')).toBe('image/png')
+  for (const path of [
+    'png',
+    'src/png',
+    'a.png/source',
+    'image.png.ts',
+    'data.bin',
+    'README.md',
+  ]) {
+    expect(imageMimeType(path)).toBeUndefined()
+  }
+})

common/src/desktop-cloud/image-files.ts

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+/** Browser-decodable project images. SVGs are displayed only through an <img>. */
+const IMAGE_MIME_TYPES = {
+  png: 'image/png',
+  jpg: 'image/jpeg',
+  jpeg: 'image/jpeg',
+  gif: 'image/gif',
+  webp: 'image/webp',
+  avif: 'image/avif',
+  svg: 'image/svg+xml',
+  ico: 'image/x-icon',
+  bmp: 'image/bmp',
+} as const
+
+export const IMAGE_FILE_MAX_BYTES = 10 * 1024 * 1024
+
+export interface FileImage {
+  mimeType: (typeof IMAGE_MIME_TYPES)[keyof typeof IMAGE_MIME_TYPES]
+  base64: string
+}
+
+export function imageMimeType(path: string): FileImage['mimeType'] | undefined {
+  const extension = /\.([^./\\]+)$/.exec(path)?.[1]?.toLowerCase()
+  return extension && Object.hasOwn(IMAGE_MIME_TYPES, extension)
+    ? IMAGE_MIME_TYPES[extension as keyof typeof IMAGE_MIME_TYPES]
+    : undefined
+}