@arco-design/web-react
Version:
Arco Design React UI Library.
157 lines (156 loc) • 8.06 kB
JavaScript
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
import React, { useContext, useEffect, useRef, useState } from 'react';
import cs from '../_util/classNames';
import { ConfigContext } from '../ConfigProvider';
import Input from '../Input';
import Select from '../Select';
import { ArrowDown, ArrowUp, Enter, Esc } from '../_util/keycode';
import { getBeforeSelectionText, getLastMeasureIndex, isValidSearch } from './utils';
import useMergeValue from '../_util/hooks/useMergeValue';
import useMergeProps from '../_util/hooks/useMergeProps';
var TextArea = Input.TextArea;
var FunctionalKeyCodeList = [Esc.code, Enter.code, ArrowUp.code, ArrowDown.code];
var defaultProps = {
prefix: '@',
split: ' ',
rows: 1,
position: 'bl',
alignTextarea: true,
};
function Mentions(baseProps, ref) {
var _a;
var _b = useContext(ConfigContext), getPrefixCls = _b.getPrefixCls, componentConfig = _b.componentConfig, rtl = _b.rtl;
var props = useMergeProps(baseProps, defaultProps, componentConfig === null || componentConfig === void 0 ? void 0 : componentConfig.Mentions);
var style = props.style, className = props.className, options = props.options, prefix = props.prefix, split = props.split, position = props.position, alignTextarea = props.alignTextarea, filterOption = props.filterOption, triggerProps = props.triggerProps, getPopupContainer = props.getPopupContainer, onChange = props.onChange, onSearch = props.onSearch, notFoundContent = props.notFoundContent, rest = __rest(props, ["style", "className", "options", "prefix", "split", "position", "alignTextarea", "filterOption", "triggerProps", "getPopupContainer", "onChange", "onSearch", "notFoundContent"]);
var prefixCls = getPrefixCls('mentions');
var refSelect = useRef(null);
var refMeasure = useRef(null);
var refTextarea = useRef(null);
var _c = __read(useMergeValue('', {
value: props.value,
defaultValue: props.defaultValue,
}), 2), value = _c[0], setValue = _c[1];
var _d = __read(useState({
measuring: false,
location: 0,
text: '',
prefix: '',
}), 2), measureInfo = _d[0], setMeasureInfo = _d[1];
useEffect(function () {
if (refTextarea.current && refMeasure.current) {
refMeasure.current.scrollTop = refTextarea.current.dom.scrollTop;
}
});
var stopMeasure = function () {
setMeasureInfo(__assign(__assign({}, measureInfo), { measuring: false, location: 0, text: '' }));
};
var handleOptionSelect = function (optionValue) {
var measureStart = measureInfo.location;
var measureEnd = measureInfo.location + measureInfo.text.length;
var head = value.slice(0, measureStart);
var tail = value.slice(measureEnd + 1);
head += !head || head.endsWith(split) || head.endsWith('\n') ? '' : split;
tail = (!tail || tail.startsWith(split) || tail.startsWith('\n') ? '' : split) + tail;
// If the content already exists before or after the matched content, add a split character
var match = "" + measureInfo.prefix + optionValue;
var nextValue = "" + head + match + tail;
setValue(nextValue);
stopMeasure();
onChange && onChange(nextValue);
};
var textAreaEventHandlers = {
onChange: function (value) {
setValue(value);
onChange && onChange(value);
},
onKeyDown: function (event) {
var keyCode = event.keyCode || event.which;
if (keyCode === Esc.code) {
refTextarea.current && refTextarea.current.blur();
}
if (refSelect.current) {
refSelect.current.hotkeyHandler(event);
if (keyCode === Enter.code || keyCode === ArrowUp.code || keyCode === ArrowDown.code) {
event.preventDefault();
}
}
},
onKeyUp: function (event) {
var key = event.key, keyCode = event.which, target = event.target;
// return immediately when hit any one of the function keys
if (~FunctionalKeyCodeList.indexOf(keyCode)) {
return;
}
var textBeforeSelection = getBeforeSelectionText(target);
var _a = getLastMeasureIndex(textBeforeSelection, prefix), measureIndex = _a.location, measurePrefix = _a.prefix;
var measureText = textBeforeSelection.slice(measureIndex + measurePrefix.length);
if (measureIndex > -1 && isValidSearch(measureText, props)) {
if (key === measurePrefix ||
measureInfo.measuring ||
measureText !== measureInfo.text ||
// fix: https://github.com/arco-design/arco-design/issues/2829
textBeforeSelection.includes(measurePrefix)) {
setMeasureInfo({
measuring: true,
text: measureText,
prefix: measurePrefix,
location: measureIndex,
});
}
onSearch && onSearch(measureText, measurePrefix);
}
else if (measureInfo.measuring) {
stopMeasure();
}
},
onBlur: stopMeasure,
};
// Pass [value: undefined] to Select, make sure onChange callback will always be triggered
// Only parameter of Select.onChange is needed, Select.value is not important cause Select is hidden
return (React.createElement("div", { ref: ref, style: style, className: cs("" + prefixCls, (_a = {}, _a[prefixCls + "-align-textarea"] = alignTextarea, _a[prefixCls + "-rtl"] = rtl, _a), className) },
React.createElement(TextArea, __assign({ ref: refTextarea, className: prefixCls + "-textarea", value: value }, textAreaEventHandlers, rest)),
React.createElement("div", { ref: refMeasure, className: prefixCls + "-measure" },
value.slice(0, measureInfo.location),
React.createElement(Select, { ref: refSelect, options: options, inputValue: measureInfo.text, notFoundContent: notFoundContent, triggerElement: React.createElement("span", { className: prefixCls + "-measure-trigger" }, measureInfo.prefix), triggerProps: __assign({ popupVisible: measureInfo.measuring, autoAlignPopupWidth: alignTextarea, position: position }, triggerProps), filterOption: filterOption, getPopupContainer: getPopupContainer, value: undefined, onChange: handleOptionSelect }),
value.slice(measureInfo.location + measureInfo.prefix.length))));
}
var MentionsComponent = React.forwardRef(Mentions);
MentionsComponent.displayName = 'Mentions';
export default MentionsComponent;