Development notes
Notes from building Mergic.
Your rule is just a function
August 5, 2026
How do I hook my own logic into the modifier? Not a plugin API — a JavaScript function: sandboxed, pure by construction, with the whole EXIF object in hand.
A modifier between source and destination
August 5, 2026
Copying is a pipeline — so we put a template stage in the middle. Capture date, camera brand, per-token fallbacks, and the same conflict guarantees.