forked/topola-viewer
1
0
Fork 0
mirror of https://github.com/PeWu/topola-viewer.git synced 2026-07-28 14:41:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Recognize blob: and data:image URLs as images (#307)

Browse Source
This commit is contained in:
Kamil Jiwa
2026-06-21 08:56:47 -07:00
committed by GitHub
parent e6ba57886c
commit b6e3a95741
2 changed files with 29 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/util/gedcom_util.ts
View File

@@ -207,11 +207,25 @@ export function normalizeGedcom(gedcom: JsonGedcomData): JsonGedcomData {
const IMAGE_EXTENSIONS = ['.jpg', '.jpeg', '.png', '.gif', '.webp'];
/** Returns true if the given file name has a known image extension. */
/**
* Returns true if the given file reference points to an image: a name/URL with
* a known image extension, or an extensionless but inherently browser-renderable
* `blob:` object URL or `data:image/...` URI. The latter two carry no path
* extension but are already accepted by `isBrowserLoadable`, so without this
* `filterImage` would drop them. A `blob:` URL's type is not derivable from the
* string, so it is accepted unconditionally; `data:` is required to be an image.
*/
export function isImageFile(fileName: string): boolean {
const cleanName = fileName.split(/[?#]/)[0];
const lowerName = cleanName.toLowerCase();
return IMAGE_EXTENSIONS.some((ext) => lowerName.endsWith(ext));
// Anchored tests read only the scheme, so an inlined data: payload (which can
// be multi-megabyte) is never scanned or copied.
if (/^blob:/i.test(fileName)) {
return true;
}
if (/^data:/i.test(fileName)) {
return /^data:image\//i.test(fileName);
}
const cleanName = fileName.split(/[?#]/)[0].toLowerCase();
return IMAGE_EXTENSIONS.some((ext) => cleanName.endsWith(ext));
}
/**