linkmore-design
Version:
🌈 🚀lm组件库。🚀
203 lines (197 loc) • 8.03 kB
JavaScript
;
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var _classnames = _interopRequireDefault(require("classnames"));
var _rcTextarea = _interopRequireDefault(require("rc-textarea"));
var _useMergedState = _interopRequireDefault(require("rc-util/lib/hooks/useMergedState"));
var _omit = _interopRequireDefault(require("rc-util/lib/omit"));
var React = _interopRequireWildcard(require("react"));
var _configProvider = require("../config-provider");
var _DisabledContext = _interopRequireDefault(require("../config-provider/DisabledContext"));
var _SizeContext = _interopRequireDefault(require("../config-provider/SizeContext"));
var _context = require("../form/context");
var _statusUtils = require("../_util/statusUtils");
var _ClearableLabeledInput = _interopRequireDefault(require("./ClearableLabeledInput"));
var _Input = require("./Input");
function fixEmojiLength(value, maxLength) {
return [...(value || '')].slice(0, maxLength).join('');
}
function setTriggerValue(isCursorInEnd, preValue, triggerValue, maxLength) {
let newTriggerValue = triggerValue;
if (isCursorInEnd) {
// 光标在尾部，直接截断
newTriggerValue = fixEmojiLength(triggerValue, maxLength);
} else if ([...(preValue || '')].length < triggerValue.length && [...(triggerValue || '')].length > maxLength) {
// 光标在中间，如果最后的值超过最大值，则采用原先的值
newTriggerValue = preValue;
}
return newTriggerValue;
}
const TextArea = /*#__PURE__*/React.forwardRef(({
prefixCls: customizePrefixCls,
bordered = true,
showCount = false,
maxLength,
className,
style,
size: customizeSize,
disabled: customDisabled,
onCompositionStart,
onCompositionEnd,
onChange,
status: customStatus,
...props
}, ref) => {
const {
getPrefixCls,
direction
} = React.useContext(_configProvider.ConfigContext);
const size = React.useContext(_SizeContext.default);
// ===================== Disabled =====================
const disabled = React.useContext(_DisabledContext.default);
const mergedDisabled = customDisabled ?? disabled;
const {
status: contextStatus,
hasFeedback,
isFormItemInput,
feedbackIcon
} = React.useContext(_context.FormItemInputContext);
const mergedStatus = (0, _statusUtils.getMergedStatus)(contextStatus, customStatus);
const innerRef = React.useRef(null);
const clearableInputRef = React.useRef(null);
const [compositing, setCompositing] = React.useState(false);
const oldCompositionValueRef = React.useRef();
const oldSelectionStartRef = React.useRef(0);
const [value, setValue] = (0, _useMergedState.default)(props.defaultValue, {
value: props.value
});
const {
hidden
} = props;
const handleSetValue = (val, callback) => {
if (props.value === undefined) {
setValue(val);
callback?.();
}
};
// =========================== Value Update ===========================
// Max length value
const hasMaxLength = Number(maxLength) > 0;
const onInternalCompositionStart = e => {
setCompositing(true);
// 拼音输入前保存一份旧值
oldCompositionValueRef.current = value;
// 保存旧的光标位置
oldSelectionStartRef.current = e.currentTarget.selectionStart;
onCompositionStart?.(e);
};
const onInternalCompositionEnd = e => {
setCompositing(false);
let triggerValue = e.currentTarget.value;
if (hasMaxLength) {
const isCursorInEnd = oldSelectionStartRef.current >= maxLength + 1 || oldSelectionStartRef.current === oldCompositionValueRef.current?.length;
triggerValue = setTriggerValue(isCursorInEnd, oldCompositionValueRef.current, triggerValue, maxLength);
}
// Patch composition onChange when value changed
if (triggerValue !== value) {
handleSetValue(triggerValue);
(0, _Input.resolveOnChange)(e.currentTarget, e, onChange, triggerValue);
}
onCompositionEnd?.(e);
};
const handleChange = e => {
let triggerValue = e.target.value;
if (!compositing && hasMaxLength) {
// 1. 复制粘贴超过maxlength的情况 2.未超过maxlength的情况
const isCursorInEnd = e.target.selectionStart >= maxLength + 1 || e.target.selectionStart === triggerValue.length || !e.target.selectionStart;
triggerValue = setTriggerValue(isCursorInEnd, value, triggerValue, maxLength);
}
handleSetValue(triggerValue);
(0, _Input.resolveOnChange)(e.currentTarget, e, onChange, triggerValue);
};
// ============================== Reset ===============================
const handleReset = e => {
handleSetValue('');
innerRef.current?.focus();
(0, _Input.resolveOnChange)(innerRef.current?.resizableTextArea?.textArea, e, onChange);
};
const prefixCls = getPrefixCls('input', customizePrefixCls);
React.useImperativeHandle(ref, () => ({
resizableTextArea: innerRef.current?.resizableTextArea,
focus: option => {
(0, _Input.triggerFocus)(innerRef.current?.resizableTextArea?.textArea, option);
},
blur: () => innerRef.current?.blur()
}));
const textArea = /*#__PURE__*/React.createElement(_rcTextarea.default, (0, _extends2.default)({}, (0, _omit.default)(props, ['allowClear']), {
disabled: mergedDisabled,
className: (0, _classnames.default)({
[`${prefixCls}-borderless`]: !bordered,
[className]: className && !showCount,
[`${prefixCls}-sm`]: size === 'small' || customizeSize === 'small',
[`${prefixCls}-lg`]: size === 'large' || customizeSize === 'large'
}, (0, _statusUtils.getStatusClassNames)(prefixCls, mergedStatus)),
style: showCount ? {
resize: style?.resize
} : style,
prefixCls: prefixCls,
onCompositionStart: onInternalCompositionStart,
onChange: handleChange,
onCompositionEnd: onInternalCompositionEnd,
ref: innerRef
}));
let val = (0, _Input.fixControlledValue)(value);
if (!compositing && hasMaxLength && (props.value === null || props.value === undefined)) {
// fix #27612 将value转为数组进行截取，解决 '😂'.length === 2 等emoji表情导致的截取乱码的问题
val = fixEmojiLength(val, maxLength);
}
// TextArea
const textareaNode = /*#__PURE__*/React.createElement(_ClearableLabeledInput.default, (0, _extends2.default)({
disabled: mergedDisabled
}, props, {
prefixCls: prefixCls,
direction: direction,
inputType: "text",
value: val,
element: textArea,
handleReset: handleReset,
ref: clearableInputRef,
bordered: bordered,
status: customStatus,
style: showCount ? undefined : style
}));
// Only show text area wrapper when needed
if (showCount || hasFeedback) {
const valueLength = [...val].length;
let dataCount = '';
if (typeof showCount === 'object') {
dataCount = showCount.formatter({
value: val,
count: valueLength,
maxLength
});
} else {
dataCount = `${valueLength}${hasMaxLength ? ` / ${maxLength}` : ''}`;
}
return /*#__PURE__*/React.createElement("div", {
hidden: hidden,
className: (0, _classnames.default)(`${prefixCls}-textarea`, {
[`${prefixCls}-textarea-rtl`]: direction === 'rtl',
[`${prefixCls}-textarea-show-count`]: showCount,
[`${prefixCls}-textarea-in-form-item`]: isFormItemInput
}, (0, _statusUtils.getStatusClassNames)(`${prefixCls}-textarea`, mergedStatus, hasFeedback), className),
style: style,
"data-count": dataCount
}, textareaNode, hasFeedback && /*#__PURE__*/React.createElement("span", {
className: `${prefixCls}-textarea-suffix`
}, feedbackIcon));
}
return textareaNode;
});
var _default = TextArea;
exports.default = _default;