framer-motion/dist/es/utils/use-constant.mjs.map

A simple and powerful JavaScript animation library

{"version":3,"file":"use-constant.mjs","sources":["../../../src/utils/use-constant.ts"],"sourcesContent":["\"use client\"\n\nimport { useRef } from \"react\"\n\ntype Init<T> = () => T\n\n/**\n * Creates a constant value over the lifecycle of a component.\n *\n * Even if `useMemo` is provided an empty array as its final argument, it doesn't offer\n * a guarantee that it won't re-run for performance reasons later on. By using `useConstant`\n * you can ensure that initialisers don't execute twice or more.\n */\nexport function useConstant<T>(init: Init<T>) {\n    const ref = useRef<T | null>(null)\n\n    if (ref.current === null) {\n        ref.current = init()\n    }\n\n    return ref.current\n}\n"],"names":[],"mappings":";;;AAMA;;;;;;AAMG;AACG;AACF;AAEA;AACI;;;AAIR;;"}