ant-design-vue
Version:
An enterprise-class UI design language and Vue-based implementation
237 lines • 11 kB
JavaScript
import _typeof from "@babel/runtime/helpers/esm/typeof";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
import _toConsumableArray from "@babel/runtime/helpers/esm/toConsumableArray";
import { resolveDirective as _resolveDirective, createVNode as _createVNode } from "vue";
import { computed, defineComponent, getCurrentInstance, nextTick, ref, watch, watchEffect } from 'vue';
import ClearableLabeledInput from './ClearableLabeledInput';
import ResizableTextArea from './ResizableTextArea';
import { textAreaProps } from './inputProps';
import { fixControlledValue, resolveOnChange, triggerFocus } from './Input';
import classNames from '../_util/classNames';
import { useInjectFormItemContext } from '../form/FormItemContext';
import useConfigInject from '../_util/hooks/useConfigInject';
import omit from '../_util/omit';
function fixEmojiLength(value, maxLength) {
return _toConsumableArray(value || '').slice(0, maxLength).join('');
}
function setTriggerValue(isCursorInEnd, preValue, triggerValue, maxLength) {
var newTriggerValue = triggerValue;
if (isCursorInEnd) {
// 光标在尾部，直接截断
newTriggerValue = fixEmojiLength(triggerValue, maxLength);
} else if (_toConsumableArray(preValue || '').length < triggerValue.length && _toConsumableArray(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;
}
export default defineComponent({
compatConfig: {
MODE: 3
},
name: 'ATextarea',
inheritAttrs: false,
props: textAreaProps(),
setup: function setup(props, _ref) {
var attrs = _ref.attrs,
expose = _ref.expose,
emit = _ref.emit;
var formItemContext = useInjectFormItemContext();
var stateValue = ref(props.value === undefined ? props.defaultValue : props.value);
var resizableTextArea = ref();
var mergedValue = ref('');
var _useConfigInject = useConfigInject('input', props),
prefixCls = _useConfigInject.prefixCls,
size = _useConfigInject.size,
direction = _useConfigInject.direction;
var showCount = computed(function () {
return props.showCount === '' || props.showCount || false;
});
// Max length value
var hasMaxLength = computed(function () {
return Number(props.maxlength) > 0;
});
var compositing = ref(false);
var oldCompositionValueRef = ref();
var oldSelectionStartRef = ref(0);
var onInternalCompositionStart = function onInternalCompositionStart(e) {
compositing.value = true;
// 拼音输入前保存一份旧值
oldCompositionValueRef.value = mergedValue.value;
// 保存旧的光标位置
oldSelectionStartRef.value = e.currentTarget.selectionStart;
emit('compositionstart', e);
};
var onInternalCompositionEnd = function onInternalCompositionEnd(e) {
compositing.value = false;
var triggerValue = e.currentTarget.value;
if (hasMaxLength.value) {
var _oldCompositionValueR;
var isCursorInEnd = oldSelectionStartRef.value >= props.maxlength + 1 || oldSelectionStartRef.value === ((_oldCompositionValueR = oldCompositionValueRef.value) === null || _oldCompositionValueR === void 0 ? void 0 : _oldCompositionValueR.length);
triggerValue = setTriggerValue(isCursorInEnd, oldCompositionValueRef.value, triggerValue, props.maxlength);
}
// Patch composition onChange when value changed
if (triggerValue !== mergedValue.value) {
setValue(triggerValue);
resolveOnChange(e.currentTarget, e, triggerChange, triggerValue);
}
emit('compositionend', e);
};
var instance = getCurrentInstance();
watch(function () {
return props.value;
}, function () {
if ('value' in instance.vnode.props || {}) {
var _props$value;
stateValue.value = (_props$value = props.value) !== null && _props$value !== void 0 ? _props$value : '';
}
});
var focus = function focus(option) {
var _resizableTextArea$va;
triggerFocus((_resizableTextArea$va = resizableTextArea.value) === null || _resizableTextArea$va === void 0 ? void 0 : _resizableTextArea$va.textArea, option);
};
var blur = function blur() {
var _resizableTextArea$va2, _resizableTextArea$va3;
(_resizableTextArea$va2 = resizableTextArea.value) === null || _resizableTextArea$va2 === void 0 ? void 0 : (_resizableTextArea$va3 = _resizableTextArea$va2.textArea) === null || _resizableTextArea$va3 === void 0 ? void 0 : _resizableTextArea$va3.blur();
};
var setValue = function setValue(value, callback) {
if (stateValue.value === value) {
return;
}
if (props.value === undefined) {
stateValue.value = value;
} else {
nextTick(function () {
if (resizableTextArea.value.textArea.value !== mergedValue.value) {
var _resizableTextArea$va4, _resizableTextArea$va5, _resizableTextArea$va6;
(_resizableTextArea$va4 = resizableTextArea.value) === null || _resizableTextArea$va4 === void 0 ? void 0 : (_resizableTextArea$va5 = (_resizableTextArea$va6 = _resizableTextArea$va4.instance).update) === null || _resizableTextArea$va5 === void 0 ? void 0 : _resizableTextArea$va5.call(_resizableTextArea$va6);
}
});
}
nextTick(function () {
callback && callback();
});
};
var handleKeyDown = function handleKeyDown(e) {
if (e.keyCode === 13) {
emit('pressEnter', e);
}
emit('keydown', e);
};
var onBlur = function onBlur(e) {
var onBlur = props.onBlur;
onBlur === null || onBlur === void 0 ? void 0 : onBlur(e);
formItemContext.onFieldBlur();
};
var triggerChange = function triggerChange(e) {
emit('update:value', e.target.value);
emit('change', e);
emit('input', e);
formItemContext.onFieldChange();
};
var handleReset = function handleReset(e) {
resolveOnChange(resizableTextArea.value.textArea, e, triggerChange);
setValue('', function () {
focus();
});
};
var handleChange = function handleChange(e) {
var composing = e.target.composing;
var triggerValue = e.target.value;
compositing.value = !!(e.isComposing || composing);
if (compositing.value && props.lazy || stateValue.value === triggerValue) return;
if (hasMaxLength.value) {
// 1. 复制粘贴超过maxlength的情况 2.未超过maxlength的情况
var target = e.target;
var isCursorInEnd = target.selectionStart >= props.maxlength + 1 || target.selectionStart === triggerValue.length || !target.selectionStart;
triggerValue = setTriggerValue(isCursorInEnd, mergedValue.value, triggerValue, props.maxlength);
}
resolveOnChange(e.currentTarget, e, triggerChange, triggerValue);
setValue(triggerValue);
};
var renderTextArea = function renderTextArea() {
var _class, _props$valueModifiers, _resizeProps$id;
var style = attrs.style,
customClass = attrs.class;
var _props$bordered = props.bordered,
bordered = _props$bordered === void 0 ? true : _props$bordered;
var resizeProps = _objectSpread(_objectSpread(_objectSpread({}, omit(props, ['allowClear'])), attrs), {}, {
style: showCount.value ? {} : style,
class: (_class = {}, _defineProperty(_class, "".concat(prefixCls.value, "-borderless"), !bordered), _defineProperty(_class, "".concat(customClass), customClass && !showCount.value), _defineProperty(_class, "".concat(prefixCls.value, "-sm"), size.value === 'small'), _defineProperty(_class, "".concat(prefixCls.value, "-lg"), size.value === 'large'), _class),
showCount: null,
prefixCls: prefixCls.value,
onInput: handleChange,
onChange: handleChange,
onBlur: onBlur,
onKeydown: handleKeyDown,
onCompositionstart: onInternalCompositionStart,
onCompositionend: onInternalCompositionEnd
});
if ((_props$valueModifiers = props.valueModifiers) !== null && _props$valueModifiers !== void 0 && _props$valueModifiers.lazy) {
delete resizeProps.onInput;
}
return _createVNode(ResizableTextArea, _objectSpread(_objectSpread({}, resizeProps), {}, {
"id": (_resizeProps$id = resizeProps.id) !== null && _resizeProps$id !== void 0 ? _resizeProps$id : formItemContext.id.value,
"ref": resizableTextArea,
"maxlength": props.maxlength
}), null);
};
expose({
focus: focus,
blur: blur,
resizableTextArea: resizableTextArea
});
watchEffect(function () {
var val = fixControlledValue(stateValue.value);
if (!compositing.value && hasMaxLength.value && (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, props.maxlength);
}
mergedValue.value = val;
});
return function () {
var maxlength = props.maxlength,
_props$bordered2 = props.bordered,
bordered = _props$bordered2 === void 0 ? true : _props$bordered2,
hidden = props.hidden;
var style = attrs.style,
customClass = attrs.class;
var inputProps = _objectSpread(_objectSpread(_objectSpread({}, props), attrs), {}, {
prefixCls: prefixCls.value,
inputType: 'text',
handleReset: handleReset,
direction: direction.value,
bordered: bordered,
style: showCount.value ? undefined : style
});
var textareaNode = _createVNode(ClearableLabeledInput, _objectSpread(_objectSpread({}, inputProps), {}, {
"value": mergedValue.value
}), {
element: renderTextArea
});
if (showCount.value) {
var valueLength = _toConsumableArray(mergedValue.value).length;
var dataCount = '';
if (_typeof(showCount.value) === 'object') {
dataCount = showCount.value.formatter({
count: valueLength,
maxlength: maxlength
});
} else {
dataCount = "".concat(valueLength).concat(hasMaxLength.value ? " / ".concat(maxlength) : '');
}
var _textareaNode = function () {
return textareaNode;
}();
textareaNode = _createVNode("div", {
"hidden": hidden,
"class": classNames("".concat(prefixCls.value, "-textarea"), _defineProperty({}, "".concat(prefixCls.value, "-textarea-rtl"), direction.value === 'rtl'), "".concat(prefixCls.value, "-textarea-show-count"), customClass),
"style": style,
"data-count": _typeof(dataCount) !== 'object' ? dataCount : undefined
}, [textareaNode]);
}
return textareaNode;
};
}
});