Break things only once. Shared memory for your team's Claude Code — agents distill lessons into reviewable .lore/ files in git; every teammate's agent recalls them.

setup proxy, type password only once

Invoke a function only once

`useEffectOnce` is a wrapper for `useEffect` that performs the effect only once, unlike other options it uses `useContext` and does not use `useRef`.

Calling functions only once.

Package aiming to make it easy to make scaling layouts for different display sizes by defining their dimensions only once in an app.

Modal for displaying new application features - only once per user

A simple utility to split a string with specified seperator only once

gentleWarning prints warning only once

Detect a wheel event only once.

Save equal files only once, avoid duplicatesSave equal files only once, avoid duplicates.

Run a function exactly one time

Very simple wrapper to run a function only once

Implement of singleton mode -- call an async function only once.

This helper allows you to do something only once every x times during {{# each}}.

🔂 run a command only once in the travis test matrix

Like warning(), but warn only once for each error.

only queue unique items and retrieve them only once

Extend event emitters to allow registering listeners only once.

Show a warning once