* Resolve a media URL from a relationship ID.
(rId: string | undefined, ctx: RenderContext)
| 307 | * Resolve a media URL from a relationship ID. |
| 308 | */ |
| 309 | function resolveMediaUrl(rId: string | undefined, ctx: RenderContext): string | undefined { |
| 310 | if (!rId) return undefined |
| 311 | |
| 312 | const rel = ctx.slide.rels.get(rId) |
| 313 | if (!rel) return undefined |
| 314 | |
| 315 | // Check if target is an external URL |
| 316 | if (rel.target.startsWith('http://') || rel.target.startsWith('https://')) { |
| 317 | return rel.target |
| 318 | } |
| 319 | |
| 320 | // Resolve from embedded media |
| 321 | const mediaPath = resolveMediaPath(rel.target) |
| 322 | const data = ctx.presentation.media.get(mediaPath) |
| 323 | if (!data) return undefined |
| 324 | |
| 325 | return getOrCreateBlobUrl(mediaPath, data, ctx.mediaUrlCache) |
| 326 | } |
| 327 | |
| 328 | /** |
| 329 | * Render a placeholder div for missing or error content. |
no test coverage detected