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[mirror] A local-first desktop markdown writer with grammar checking, at proto integration, and more github.com/stormlightlabs/writer/releases
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1234567891011121314151617181920const IMAGE_EXTENSIONS = new Set(["png", "jpg", "jpeg", "gif", "webp", "svg"]);
function extensionFromPath(relPath: string): string { const filename = relPath.split("/").pop() ?? relPath; const dotIndex = filename.lastIndexOf("."); if (dotIndex === -1 || dotIndex === filename.length - 1) { return ""; }
return filename.slice(dotIndex + 1).toLowerCase();}
export function isImagePath(relPath: string): boolean { return IMAGE_EXTENSIONS.has(extensionFromPath(relPath));}
export function isImageContentType(contentType: string | null | undefined): boolean { return typeof contentType === "string" && contentType.toLowerCase().startsWith("image/");}