willow: "sometimes i’m reminded of the horrors of Alt and ALT"

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willow @dreary.dev

sometimes i’m reminded of the horrors of Alt and ALT

bluesky social-app prefixes gif alt text with a different string depending on the source (tenor or user). when gif embed posts are shown, the alt text is parsed to check for this prefix. if a user created it, the alt text is displayed. otherwise, it is not.

// Kind of a hack. We needed some way to
distinguish these.
const USER_ALT_PREFIX = 'Alt: '
const
DEFAULT_ALT_PREFIX = 'ALT: '

https://github.com/bluesky-social/social-app/blob/main/src/lib/gif-alt-text.ts#L1

May 29, 2025 at 6:08 AM