{ "version": 3, "sources": ["../src/composeRefs.tsx"], "sourcesContent": ["import * as React from 'react';\n\ntype PossibleRef = React.Ref | undefined;\n\n/**\n * Set a given ref to a given value\n * This utility takes care of different types of refs: callback refs and RefObject(s)\n */\nfunction setRef(ref: PossibleRef, value: T) {\n if (typeof ref === 'function') {\n return ref(value);\n } else if (ref !== null && ref !== undefined) {\n ref.current = value;\n }\n}\n\n/**\n * A utility to compose multiple refs together\n * Accepts callback refs and RefObject(s)\n */\nfunction composeRefs(...refs: PossibleRef[]): React.RefCallback {\n return (node) => {\n let hasCleanup = false;\n const cleanups = refs.map((ref) => {\n const cleanup = setRef(ref, node);\n if (!hasCleanup && typeof cleanup == 'function') {\n hasCleanup = true;\n }\n return cleanup;\n });\n\n // React <19 will log an error to the console if a callback ref returns a\n // value. We don't use ref cleanups internally so this will only happen if a\n // user's ref callback returns a value, which we only expect if they are\n // using the cleanup functionality added in React 19.\n if (hasCleanup) {\n return () => {\n for (let i = 0; i < cleanups.length; i++) {\n const cleanup = cleanups[i];\n if (typeof cleanup == 'function') {\n cleanup();\n } else {\n setRef(refs[i], null);\n }\n }\n };\n }\n };\n}\n\n/**\n * A custom hook that composes multiple refs\n * Accepts callback refs and RefObject(s)\n */\nfunction useComposedRefs(...refs: PossibleRef[]): React.RefCallback {\n // eslint-disable-next-line react-hooks/exhaustive-deps\n return React.useCallback(composeRefs(...refs), refs);\n}\n\nexport { composeRefs, useComposedRefs };\n"], "mappings": ";AAAA,YAAY,WAAW;AAQvB,SAAS,OAAU,KAAqB,OAAU;AAChD,MAAI,OAAO,QAAQ,YAAY;AAC7B,WAAO,IAAI,KAAK;AAAA,EAClB,WAAW,QAAQ,QAAQ,QAAQ,QAAW;AAC5C,QAAI,UAAU;AAAA,EAChB;AACF;AAMA,SAAS,eAAkB,MAA8C;AACvE,SAAO,CAAC,SAAS;AACf,QAAI,aAAa;AACjB,UAAM,WAAW,KAAK,IAAI,CAAC,QAAQ;AACjC,YAAM,UAAU,OAAO,KAAK,IAAI;AAChC,UAAI,CAAC,cAAc,OAAO,WAAW,YAAY;AAC/C,qBAAa;AAAA,MACf;AACA,aAAO;AAAA,IACT,CAAC;AAMD,QAAI,YAAY;AACd,aAAO,MAAM;AACX,iBAAS,IAAI,GAAG,IAAI,SAAS,QAAQ,KAAK;AACxC,gBAAM,UAAU,SAAS,CAAC;AAC1B,cAAI,OAAO,WAAW,YAAY;AAChC,oBAAQ;AAAA,UACV,OAAO;AACL,mBAAO,KAAK,CAAC,GAAG,IAAI;AAAA,UACtB;AAAA,QACF;AAAA,MACF;AAAA,IACF;AAAA,EACF;AACF;AAMA,SAAS,mBAAsB,MAA8C;AAE3E,SAAa,kBAAY,YAAY,GAAG,IAAI,GAAG,IAAI;AACrD;", "names": [] }