Expo

A kill switch must default to on, at both ends

Sander KorfOctober 15, 20264 min read

I flip Firebase kill switches when OAuth breaks; full deploy wiped my console off, and static reads hid sign-in buttons until I fixed template defaults.

firebaseremote-configfeature-flags+2

RN Modal kills GestureDetector button taps

Sander KorfSeptember 17, 20263 min read

Accept buttons in my Expo app worked everywhere except RN Modal dialogs. GestureDetector taps died silently because Modal renders outside the gesture root.

exporeact-nativegesture-handler

Staging deep links must not hijack production

Sander KorfAugust 20, 20263 min read

A mobile app ships production and staging builds. Reusing production Universal Link hosts sends QA to the store app and makes staging reset links look broken.

expoeasdeeplinks

EAS SHA-1 fails under Worklets Bundle Mode

Sander KorfAugust 19, 20264 min read

My Expo cloud build died hashing the JS bundle. I pinned Worklets Bundle Mode to false in Babel so Metro stopped hashing a graph I never asked for.

expoeasmetro+1

Reclaim Firebase orphan without password wipe

Sander KorfAugust 18, 20264 min read

An existing email is not always a blank account. I send a password reset when a login already exists, and I only set a password when none is on file.

firebaseexpo

All posts

Expo

All posts

Expo

All posts