@copilotkit/react-ui
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{"version":3,"sources":["../src/components/chat/Textarea.tsx"],"sourcesContent":["import React, { useState, useRef, useEffect, forwardRef, useImperativeHandle } from \"react\";\n\ninterface AutoResizingTextareaProps {\n maxRows?: number;\n placeholder?: string;\n value: string;\n onChange: (event: React.ChangeEvent<HTMLTextAreaElement>) => void;\n onKeyDown?: (event: React.KeyboardEvent<HTMLTextAreaElement>) => void;\n autoFocus?: boolean;\n}\n\nconst AutoResizingTextarea = forwardRef<HTMLTextAreaElement, AutoResizingTextareaProps>(\n ({ maxRows = 1, placeholder, value, onChange, onKeyDown, autoFocus }, ref) => {\n const internalTextareaRef = useRef<HTMLTextAreaElement>(null);\n const [maxHeight, setMaxHeight] = useState<number>(0);\n\n useImperativeHandle(ref, () => internalTextareaRef.current as HTMLTextAreaElement);\n\n useEffect(() => {\n const calculateMaxHeight = () => {\n const textarea = internalTextareaRef.current;\n if (textarea) {\n textarea.style.height = \"auto\";\n const singleRowHeight = textarea.scrollHeight;\n setMaxHeight(singleRowHeight * maxRows);\n if (autoFocus) {\n textarea.focus();\n }\n }\n };\n\n calculateMaxHeight();\n }, [maxRows]);\n\n useEffect(() => {\n const textarea = internalTextareaRef.current;\n if (textarea) {\n textarea.style.height = \"auto\";\n textarea.style.height = `${Math.min(textarea.scrollHeight, maxHeight)}px`;\n }\n }, [value, maxHeight]);\n\n return (\n <textarea\n ref={internalTextareaRef}\n value={value}\n onChange={onChange}\n onKeyDown={onKeyDown}\n placeholder={placeholder}\n style={{\n overflow: \"auto\",\n resize: \"none\",\n maxHeight: `${maxHeight}px`,\n }}\n rows={1}\n />\n );\n },\n);\n\nexport default AutoResizingTextarea;\n"],"mappings":";AAAA,SAAgB,UAAU,QAAQ,WAAW,YAAY,2BAA2B;AA2C9E;AAhCN,IAAM,uBAAuB;AAAA,EAC3B,CAAC,EAAE,UAAU,GAAG,aAAa,OAAO,UAAU,WAAW,UAAU,GAAG,QAAQ;AAC5E,UAAM,sBAAsB,OAA4B,IAAI;AAC5D,UAAM,CAAC,WAAW,YAAY,IAAI,SAAiB,CAAC;AAEpD,wBAAoB,KAAK,MAAM,oBAAoB,OAA8B;AAEjF,cAAU,MAAM;AACd,YAAM,qBAAqB,MAAM;AAC/B,cAAM,WAAW,oBAAoB;AACrC,YAAI,UAAU;AACZ,mBAAS,MAAM,SAAS;AACxB,gBAAM,kBAAkB,SAAS;AACjC,uBAAa,kBAAkB,OAAO;AACtC,cAAI,WAAW;AACb,qBAAS,MAAM;AAAA,UACjB;AAAA,QACF;AAAA,MACF;AAEA,yBAAmB;AAAA,IACrB,GAAG,CAAC,OAAO,CAAC;AAEZ,cAAU,MAAM;AACd,YAAM,WAAW,oBAAoB;AACrC,UAAI,UAAU;AACZ,iBAAS,MAAM,SAAS;AACxB,iBAAS,MAAM,SAAS,GAAG,KAAK,IAAI,SAAS,cAAc,SAAS;AAAA,MACtE;AAAA,IACF,GAAG,CAAC,OAAO,SAAS,CAAC;AAErB,WACE;AAAA,MAAC;AAAA;AAAA,QACC,KAAK;AAAA,QACL;AAAA,QACA;AAAA,QACA;AAAA,QACA;AAAA,QACA,OAAO;AAAA,UACL,UAAU;AAAA,UACV,QAAQ;AAAA,UACR,WAAW,GAAG;AAAA,QAChB;AAAA,QACA,MAAM;AAAA;AAAA,IACR;AAAA,EAEJ;AACF;AAEA,IAAO,mBAAQ;","names":[]}