@nutui/nutui-react/dist/cjs/packages/textarea/textarea.js

京东风格的轻量级移动端 React 组件库，支持一套代码生成 H5 和小程序

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "TextArea", {
    enumerable: true,
    get: function() {
        return TextArea;
    }
});
var _interop_require_default = require("@swc/helpers/_/_interop_require_default");
var _interop_require_wildcard = require("@swc/helpers/_/_interop_require_wildcard");
var _define_property = require("@swc/helpers/_/_define_property");
var _object_spread = require("@swc/helpers/_/_object_spread");
var _object_spread_props = require("@swc/helpers/_/_object_spread_props");
var _object_without_properties = require("@swc/helpers/_/_object_without_properties");
var _sliced_to_array = require("@swc/helpers/_/_sliced_to_array");
var _react = /*#__PURE__*/ _interop_require_wildcard._(require("react"));
var _classnames = /*#__PURE__*/ _interop_require_default._(require("classnames"));
var _configprovider = require("../configprovider");
var _typings = require("../../utils/typings");
var _usepropsvalue = require("../../hooks/use-props-value");
var defaultProps = (0, _object_spread_props._)((0, _object_spread._)({}, _typings.ComponentDefaults), {
    defaultValue: '',
    showCount: false,
    rows: 2,
    maxLength: 140,
    placeholder: '',
    readOnly: false,
    disabled: false,
    autoSize: false,
    plain: false,
    status: 'default'
});
var TextArea = function TextArea(props) {
    var locale = (0, _configprovider.useConfig)().locale;
    var _ref = (0, _object_spread._)({}, defaultProps, props), className = _ref.className, value = _ref.value, defaultValue = _ref.defaultValue, showCount = _ref.showCount, maxLength = _ref.maxLength, rows = _ref.rows, placeholder = _ref.placeholder, readOnly = _ref.readOnly, disabled = _ref.disabled, autoSize = _ref.autoSize, style = _ref.style, plain = _ref.plain, status = _ref.status, onChange = _ref.onChange, onBlur = _ref.onBlur, onFocus = _ref.onFocus, rest = (0, _object_without_properties._)(_ref, [
        "className",
        "value",
        "defaultValue",
        "showCount",
        "maxLength",
        "rows",
        "placeholder",
        "readOnly",
        "disabled",
        "autoSize",
        "style",
        "plain",
        "status",
        "onChange",
        "onBlur",
        "onFocus"
    ]);
    var classPrefix = 'nut-textarea';
    var textareaRef = (0, _react.useRef)(null);
    var compositionRef = (0, _react.useRef)(false);
    var rtl = (0, _configprovider.useRtl)();
    var format = function format(value) {
        if (maxLength !== -1 && value.length > maxLength) {
            return value.substring(0, maxLength);
        }
        return value;
    };
    var _usePropsValue = (0, _sliced_to_array._)((0, _usepropsvalue.usePropsValue)({
        value: value,
        defaultValue: defaultValue,
        finalValue: format(defaultValue),
        onChange: onChange
    }), 2), inputValue = _usePropsValue[0], setInputValue = _usePropsValue[1];
    (0, _react.useEffect)(function() {
        if (autoSize) setContentHeight();
    }, [
        autoSize,
        defaultValue,
        inputValue
    ]);
    var setContentHeight = function setContentHeight() {
        var textarea = textareaRef.current;
        if (textarea) {
            textarea.style.height = 'auto';
            var height = textarea === null || textarea === void 0 ? void 0 : textarea.scrollHeight;
            if (height) {
                textarea.style.height = "".concat(height, "px");
            }
        }
    };
    var handleChange = function handleChange(event) {
        var text = event.target;
        var value = compositionRef.current ? text.value : format(text.value);
        setInputValue(value);
    };
    var isDisabled = function isDisabled() {
        return disabled || readOnly;
    };
    var handleFocus = function handleFocus(event) {
        if (isDisabled()) return;
        onFocus === null || onFocus === void 0 ? void 0 : onFocus(event);
    };
    var handleBlur = function handleBlur(event) {
        if (isDisabled()) return;
        onBlur === null || onBlur === void 0 ? void 0 : onBlur(event);
    };
    var _obj;
    return /*#__PURE__*/ _react.default.createElement(_react.default.Fragment, null, /*#__PURE__*/ _react.default.createElement("div", {
        className: (0, _classnames.default)(classPrefix, (_obj = {}, (0, _define_property._)(_obj, "".concat(classPrefix, "-disabled"), disabled), (0, _define_property._)(_obj, "".concat(classPrefix, "-readonly"), readOnly), (0, _define_property._)(_obj, "".concat(classPrefix, "-rtl"), rtl), (0, _define_property._)(_obj, "".concat(classPrefix, "-plain"), plain), (0, _define_property._)(_obj, "".concat(classPrefix, "-container"), !plain), (0, _define_property._)(_obj, "".concat(classPrefix, "-").concat(status), status), _obj), className)
    }, /*#__PURE__*/ _react.default.createElement("textarea", (0, _object_spread_props._)((0, _object_spread._)({}, rest), {
        ref: textareaRef,
        className: (0, _classnames.default)("".concat(classPrefix, "-textarea"), (0, _define_property._)({}, "".concat(classPrefix, "-textarea-disabled"), disabled)),
        style: style,
        disabled: disabled,
        readOnly: readOnly,
        value: inputValue,
        onChange: handleChange,
        onBlur: handleBlur,
        onFocus: handleFocus,
        onCompositionEnd: function onCompositionEnd() {
            compositionRef.current = false;
        },
        onCompositionStart: function onCompositionStart() {
            compositionRef.current = true;
        },
        rows: rows,
        maxLength: maxLength === -1 ? undefined : maxLength,
        placeholder: placeholder !== undefined ? placeholder : locale.placeholder
    })), showCount && /*#__PURE__*/ _react.default.createElement("div", {
        className: (0, _classnames.default)("".concat(classPrefix, "-limit"), (0, _define_property._)({}, "".concat(classPrefix, "-limit-disabled"), disabled))
    }, inputValue.length, "/", maxLength < 0 ? 0 : maxLength)));
};
TextArea.displayName = 'NutTextArea';