226 lines
10 KiB
JavaScript
226 lines
10 KiB
JavaScript
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import _extends from "@babel/runtime/helpers/esm/extends";
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import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
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import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
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import _typeof from "@babel/runtime/helpers/esm/typeof";
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import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
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import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
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import _toConsumableArray from "@babel/runtime/helpers/esm/toConsumableArray";
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var _excluded = ["defaultValue", "value", "onFocus", "onBlur", "onChange", "allowClear", "maxLength", "onCompositionStart", "onCompositionEnd", "suffix", "prefixCls", "classes", "showCount", "className", "style", "disabled", "hidden", "classNames", "styles", "onResize"];
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import clsx from 'classnames';
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import { BaseInput } from 'rc-input';
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import { fixControlledValue, resolveOnChange } from "rc-input/es/utils/commonUtils";
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import useMergedState from "rc-util/es/hooks/useMergedState";
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import React, { useEffect, useImperativeHandle, useRef } from 'react';
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import ResizableTextArea from "./ResizableTextArea";
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function fixEmojiLength(value, maxLength) {
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return _toConsumableArray(value || '').slice(0, maxLength).join('');
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}
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function setTriggerValue(isCursorInEnd, preValue, triggerValue, maxLength) {
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var newTriggerValue = triggerValue;
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if (isCursorInEnd) {
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// 光标在尾部，直接截断
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newTriggerValue = fixEmojiLength(triggerValue, maxLength);
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} else if (_toConsumableArray(preValue || '').length < triggerValue.length && _toConsumableArray(triggerValue || '').length > maxLength) {
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// 光标在中间，如果最后的值超过最大值，则采用原先的值
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newTriggerValue = preValue;
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}
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return newTriggerValue;
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}
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var TextArea = /*#__PURE__*/React.forwardRef(function (_ref, ref) {
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var _clsx;
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var defaultValue = _ref.defaultValue,
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customValue = _ref.value,
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onFocus = _ref.onFocus,
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onBlur = _ref.onBlur,
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onChange = _ref.onChange,
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allowClear = _ref.allowClear,
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maxLength = _ref.maxLength,
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onCompositionStart = _ref.onCompositionStart,
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onCompositionEnd = _ref.onCompositionEnd,
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suffix = _ref.suffix,
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_ref$prefixCls = _ref.prefixCls,
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prefixCls = _ref$prefixCls === void 0 ? 'rc-textarea' : _ref$prefixCls,
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classes = _ref.classes,
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showCount = _ref.showCount,
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className = _ref.className,
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style = _ref.style,
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disabled = _ref.disabled,
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hidden = _ref.hidden,
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classNames = _ref.classNames,
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styles = _ref.styles,
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onResize = _ref.onResize,
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rest = _objectWithoutProperties(_ref, _excluded);
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var _useMergedState = useMergedState(defaultValue, {
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value: customValue,
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defaultValue: defaultValue
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}),
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_useMergedState2 = _slicedToArray(_useMergedState, 2),
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value = _useMergedState2[0],
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setValue = _useMergedState2[1];
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var resizableTextAreaRef = useRef(null);
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var _React$useState = React.useState(false),
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_React$useState2 = _slicedToArray(_React$useState, 2),
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focused = _React$useState2[0],
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setFocused = _React$useState2[1];
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var _React$useState3 = React.useState(false),
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_React$useState4 = _slicedToArray(_React$useState3, 2),
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compositing = _React$useState4[0],
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setCompositing = _React$useState4[1];
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var oldCompositionValueRef = React.useRef();
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var oldSelectionStartRef = React.useRef(0);
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var _React$useState5 = React.useState(null),
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_React$useState6 = _slicedToArray(_React$useState5, 2),
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textareaResized = _React$useState6[0],
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setTextareaResized = _React$useState6[1];
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var focus = function focus() {
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var _resizableTextAreaRef;
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(_resizableTextAreaRef = resizableTextAreaRef.current) === null || _resizableTextAreaRef === void 0 ? void 0 : _resizableTextAreaRef.textArea.focus();
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};
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useImperativeHandle(ref, function () {
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return {
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resizableTextArea: resizableTextAreaRef.current,
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focus: focus,
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blur: function blur() {
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var _resizableTextAreaRef2;
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(_resizableTextAreaRef2 = resizableTextAreaRef.current) === null || _resizableTextAreaRef2 === void 0 ? void 0 : _resizableTextAreaRef2.textArea.blur();
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}
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};
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});
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useEffect(function () {
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setFocused(function (prev) {
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return !disabled && prev;
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});
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}, [disabled]);
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// =========================== Value Update ===========================
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// Max length value
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var hasMaxLength = Number(maxLength) > 0;
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var onInternalCompositionStart = function onInternalCompositionStart(e) {
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setCompositing(true);
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// 拼音输入前保存一份旧值
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oldCompositionValueRef.current = value;
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// 保存旧的光标位置
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oldSelectionStartRef.current = e.currentTarget.selectionStart;
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onCompositionStart === null || onCompositionStart === void 0 ? void 0 : onCompositionStart(e);
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};
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var onInternalCompositionEnd = function onInternalCompositionEnd(e) {
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setCompositing(false);
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var triggerValue = e.currentTarget.value;
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if (hasMaxLength) {
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var _oldCompositionValueR;
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var isCursorInEnd = oldSelectionStartRef.current >= maxLength + 1 || oldSelectionStartRef.current === ((_oldCompositionValueR = oldCompositionValueRef.current) === null || _oldCompositionValueR === void 0 ? void 0 : _oldCompositionValueR.length);
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triggerValue = setTriggerValue(isCursorInEnd, oldCompositionValueRef.current, triggerValue, maxLength);
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}
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// Patch composition onChange when value changed
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if (triggerValue !== value) {
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setValue(triggerValue);
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resolveOnChange(e.currentTarget, e, onChange, triggerValue);
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}
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onCompositionEnd === null || onCompositionEnd === void 0 ? void 0 : onCompositionEnd(e);
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};
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var handleChange = function handleChange(e) {
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var triggerValue = e.target.value;
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if (!compositing && hasMaxLength) {
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// 1. 复制粘贴超过maxlength的情况 2.未超过maxlength的情况
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var isCursorInEnd = e.target.selectionStart >= maxLength + 1 || e.target.selectionStart === triggerValue.length || !e.target.selectionStart;
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triggerValue = setTriggerValue(isCursorInEnd, value, triggerValue, maxLength);
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}
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setValue(triggerValue);
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resolveOnChange(e.currentTarget, e, onChange, triggerValue);
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};
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var handleKeyDown = function handleKeyDown(e) {
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var onPressEnter = rest.onPressEnter,
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onKeyDown = rest.onKeyDown;
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if (e.key === 'Enter' && onPressEnter) {
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onPressEnter(e);
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}
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onKeyDown === null || onKeyDown === void 0 ? void 0 : onKeyDown(e);
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};
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var handleFocus = function handleFocus(e) {
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setFocused(true);
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onFocus === null || onFocus === void 0 ? void 0 : onFocus(e);
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};
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var handleBlur = function handleBlur(e) {
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setFocused(false);
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onBlur === null || onBlur === void 0 ? void 0 : onBlur(e);
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};
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// ============================== Reset ===============================
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var handleReset = function handleReset(e) {
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var _resizableTextAreaRef3;
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setValue('');
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focus();
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resolveOnChange((_resizableTextAreaRef3 = resizableTextAreaRef.current) === null || _resizableTextAreaRef3 === void 0 ? void 0 : _resizableTextAreaRef3.textArea, e, onChange);
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};
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var val = fixControlledValue(value);
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if (!compositing && hasMaxLength && (customValue === null || customValue === undefined)) {
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// fix #27612 将value转为数组进行截取，解决 '😂'.length === 2 等emoji表情导致的截取乱码的问题
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val = fixEmojiLength(val, maxLength);
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}
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var suffixNode = suffix;
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var dataCount;
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if (showCount) {
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var valueLength = _toConsumableArray(val).length;
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if (_typeof(showCount) === 'object') {
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dataCount = showCount.formatter({
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value: val,
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count: valueLength,
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maxLength: maxLength
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});
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} else {
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dataCount = "".concat(valueLength).concat(hasMaxLength ? " / ".concat(maxLength) : '');
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}
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suffixNode = /*#__PURE__*/React.createElement(React.Fragment, null, suffixNode, /*#__PURE__*/React.createElement("span", {
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className: clsx("".concat(prefixCls, "-data-count"), classNames === null || classNames === void 0 ? void 0 : classNames.count),
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style: styles === null || styles === void 0 ? void 0 : styles.count
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}, dataCount));
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}
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var handleResize = function handleResize(size) {
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var _resizableTextAreaRef4;
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onResize === null || onResize === void 0 ? void 0 : onResize(size);
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if ((_resizableTextAreaRef4 = resizableTextAreaRef.current) !== null && _resizableTextAreaRef4 !== void 0 && _resizableTextAreaRef4.textArea.style.height) {
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setTextareaResized(true);
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}
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};
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var isPureTextArea = !rest.autoSize && !showCount && !allowClear;
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var textarea = /*#__PURE__*/React.createElement(BaseInput, {
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value: val,
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allowClear: allowClear,
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handleReset: handleReset,
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suffix: suffixNode,
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prefixCls: prefixCls,
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classes: {
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affixWrapper: clsx(classes === null || classes === void 0 ? void 0 : classes.affixWrapper, (_clsx = {}, _defineProperty(_clsx, "".concat(prefixCls, "-show-count"), showCount), _defineProperty(_clsx, "".concat(prefixCls, "-textarea-allow-clear"), allowClear), _clsx))
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},
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disabled: disabled,
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focused: focused,
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className: className,
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style: _objectSpread(_objectSpread({}, style), textareaResized && !isPureTextArea ? {
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height: 'auto'
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} : {}),
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dataAttrs: {
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affixWrapper: {
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'data-count': typeof dataCount === 'string' ? dataCount : undefined
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}
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},
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hidden: hidden,
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inputElement: /*#__PURE__*/React.createElement(ResizableTextArea, _extends({}, rest, {
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onKeyDown: handleKeyDown,
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onChange: handleChange,
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onFocus: handleFocus,
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onBlur: handleBlur,
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onCompositionStart: onInternalCompositionStart,
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onCompositionEnd: onInternalCompositionEnd,
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className: classNames === null || classNames === void 0 ? void 0 : classNames.textarea,
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style: _objectSpread(_objectSpread({}, styles === null || styles === void 0 ? void 0 : styles.textarea), {}, {
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resize: style === null || style === void 0 ? void 0 : style.resize
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}),
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disabled: disabled,
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prefixCls: prefixCls,
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onResize: handleResize,
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ref: resizableTextAreaRef
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}))
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});
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return textarea;
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});
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export default TextArea;
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