456 lines
15 KiB
JavaScript
456 lines
15 KiB
JavaScript
function _extends() { _extends = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
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import { clsx } from 'clsx';
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import { BaseInput } from '@rc-component/input';
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import TextArea from '@rc-component/textarea';
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import toArray from "@rc-component/util/es/Children/toArray";
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import useControlledState from "@rc-component/util/es/hooks/useControlledState";
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import KeyCode from "@rc-component/util/es/KeyCode";
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import useId from "@rc-component/util/es/hooks/useId";
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import React, { forwardRef, useContext, useEffect, useImperativeHandle, useMemo, useRef, useState } from 'react';
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import useEffectState from "./hooks/useEffectState";
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import KeywordTrigger from "./KeywordTrigger";
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import MentionsContext from "./MentionsContext";
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import Option from "./Option";
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import { filterOption as defaultFilterOption, validateSearch as defaultValidateSearch, getBeforeSelectionText, getLastMeasureIndex, replaceWithMeasure, setInputSelection } from "./util";
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import { UnstableContext } from "./context";
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const InternalMentions = /*#__PURE__*/forwardRef((props, ref) => {
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const {
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// Style
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prefixCls,
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className,
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style,
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classNames: mentionClassNames,
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styles,
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// Misc
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prefix = '@',
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split = ' ',
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notFoundContent = 'Not Found',
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value,
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defaultValue,
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children,
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options,
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allowClear,
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hasWrapper,
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silent,
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// Events
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validateSearch = defaultValidateSearch,
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filterOption = defaultFilterOption,
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onChange,
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onKeyDown,
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onKeyUp,
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onPressEnter,
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onSearch,
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onSelect,
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onFocus,
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onBlur,
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// Dropdown
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transitionName,
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placement,
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direction,
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getPopupContainer,
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popupClassName,
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rows = 1,
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// Fix Warning: Received `false` for a non-boolean attribute `visible`.
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// https://github.com/ant-design/ant-design/blob/df933e94efc8f376003bbdc658d64b64a0e53495/components/mentions/demo/render-panel.tsx
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// @ts-expect-error
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visible,
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onPopupScroll,
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// Rest
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...restProps
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} = props;
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const mergedPrefix = useMemo(() => Array.isArray(prefix) ? prefix : [prefix], [prefix]);
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// =============================== Refs ===============================
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const containerRef = useRef(null);
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const textareaRef = useRef(null);
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const measureRef = useRef(null);
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const getTextArea = () => textareaRef.current?.resizableTextArea?.textArea;
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React.useImperativeHandle(ref, () => ({
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focus: () => textareaRef.current?.focus(),
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blur: () => textareaRef.current?.blur(),
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textarea: textareaRef.current?.resizableTextArea?.textArea,
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nativeElement: containerRef.current
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}));
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// ============================== State ===============================
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const [measuring, setMeasuring] = useState(false);
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const [measureText, setMeasureText] = useState('');
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const [measurePrefix, setMeasurePrefix] = useState('');
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const [measureLocation, setMeasureLocation] = useState(0);
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const [activeIndex, setActiveIndex] = useState(0);
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const [isFocus, setIsFocus] = useState(false);
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// ================================ Id ================================
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const uniqueKey = useId(props.id);
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// ============================== Value ===============================
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const [mergedValue, setMergedValue] = useControlledState(defaultValue || '', value);
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// =============================== Open ===============================
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const {
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open
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} = useContext(UnstableContext);
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useEffect(() => {
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// Sync measure div top with textarea for rc-trigger usage
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if (measuring && measureRef.current) {
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measureRef.current.scrollTop = getTextArea().scrollTop;
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}
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}, [measuring]);
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const [mergedMeasuring, mergedMeasureText, mergedMeasurePrefix, mergedMeasureLocation] = React.useMemo(() => {
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if (open) {
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for (let i = 0; i < mergedPrefix.length; i += 1) {
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const curPrefix = mergedPrefix[i];
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const index = mergedValue.lastIndexOf(curPrefix);
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if (index >= 0) {
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return [true, '', curPrefix, index];
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}
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}
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}
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return [measuring, measureText, measurePrefix, measureLocation];
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}, [open, measuring, mergedPrefix, mergedValue, measureText, measurePrefix, measureLocation]);
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// ============================== Option ==============================
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const getOptions = React.useCallback(targetMeasureText => {
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let list;
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if (options && options.length > 0) {
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list = options.map(item => ({
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...item,
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key: `${item?.key ?? item.value}-${uniqueKey}`
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}));
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} else {
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list = toArray(children).map(({
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props: optionProps,
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key
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}) => ({
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...optionProps,
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label: optionProps.children,
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key: `${key || optionProps.value}-${uniqueKey}`
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}));
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}
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return list.filter(option => {
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/** Return all result if `filterOption` is false. */
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if (filterOption === false) {
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return true;
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}
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return filterOption(targetMeasureText, option);
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});
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}, [options, uniqueKey, children, filterOption]);
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const mergedOptions = React.useMemo(() => getOptions(mergedMeasureText), [getOptions, mergedMeasureText]);
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// ============================= Measure ==============================
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// Mark that we will reset input selection to target position when user select option
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const onSelectionEffect = useEffectState();
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const startMeasure = (nextMeasureText, nextMeasurePrefix, nextMeasureLocation) => {
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setMeasuring(true);
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setMeasureText(nextMeasureText);
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setMeasurePrefix(nextMeasurePrefix);
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setMeasureLocation(nextMeasureLocation);
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setActiveIndex(0);
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};
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const stopMeasure = callback => {
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setMeasuring(false);
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setMeasureLocation(0);
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setMeasureText('');
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onSelectionEffect(callback);
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};
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// ============================== Change ==============================
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const triggerChange = nextValue => {
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setMergedValue(nextValue);
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onChange?.(nextValue);
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};
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const onInternalChange = ({
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target: {
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value: nextValue
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}
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}) => {
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triggerChange(nextValue);
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};
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const selectOption = option => {
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const {
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value: mentionValue = ''
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} = option;
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const {
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text,
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selectionLocation
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} = replaceWithMeasure(mergedValue, {
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measureLocation: mergedMeasureLocation,
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targetText: mentionValue,
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prefix: mergedMeasurePrefix,
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selectionStart: getTextArea()?.selectionStart,
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split
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});
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triggerChange(text);
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stopMeasure(() => {
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// We need restore the selection position
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setInputSelection(getTextArea(), selectionLocation);
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});
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onSelect?.(option, mergedMeasurePrefix);
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};
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// ============================= KeyEvent =============================
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// Check if hit the measure keyword
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const onInternalKeyDown = event => {
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const {
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which
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} = event;
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onKeyDown?.(event);
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// Skip if not measuring
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if (!mergedMeasuring) {
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return;
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}
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if (which === KeyCode.UP || which === KeyCode.DOWN) {
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// Control arrow function
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const optionLen = mergedOptions.length;
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const offset = which === KeyCode.UP ? -1 : 1;
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const newActiveIndex = (activeIndex + offset + optionLen) % optionLen;
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setActiveIndex(newActiveIndex);
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event.preventDefault();
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} else if (which === KeyCode.ESC) {
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stopMeasure();
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} else if (which === KeyCode.ENTER) {
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// Measure hit
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event.preventDefault();
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// loading skip
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if (silent) {
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return;
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}
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if (!mergedOptions.length) {
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stopMeasure();
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return;
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}
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const option = mergedOptions[activeIndex];
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selectOption(option);
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}
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};
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/**
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* When to start measure:
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* 1. When user press `prefix`
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* 2. When measureText !== prevMeasureText
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* - If measure hit
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* - If measuring
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*
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* When to stop measure:
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* 1. Selection is out of range
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* 2. Contains `space`
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* 3. ESC or select one
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*/
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const onInternalKeyUp = event => {
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const {
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key,
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which
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} = event;
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const target = event.target;
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const selectionStartText = getBeforeSelectionText(target);
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const {
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location: measureIndex,
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prefix: nextMeasurePrefix
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} = getLastMeasureIndex(selectionStartText, mergedPrefix);
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// If the client implements an onKeyUp handler, call it
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onKeyUp?.(event);
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// Skip if match the white key list
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if ([KeyCode.ESC, KeyCode.UP, KeyCode.DOWN, KeyCode.ENTER].indexOf(which) !== -1) {
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return;
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}
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if (measureIndex !== -1) {
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const nextMeasureText = selectionStartText.slice(measureIndex + nextMeasurePrefix.length);
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const validateMeasure = validateSearch(nextMeasureText, split);
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const matchOption = !!getOptions(nextMeasureText).length;
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if (validateMeasure) {
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// adding AltGraph also fort azert keyboard
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if (key === nextMeasurePrefix || key === 'Shift' || which === KeyCode.ALT || key === 'AltGraph' || mergedMeasuring || nextMeasureText !== mergedMeasureText && matchOption) {
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startMeasure(nextMeasureText, nextMeasurePrefix, measureIndex);
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}
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} else if (mergedMeasuring) {
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// Stop if measureText is invalidate
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stopMeasure();
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}
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/**
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* We will trigger `onSearch` to developer since they may use for async update.
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* If met `space` means user finished searching.
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*/
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if (onSearch && validateMeasure) {
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onSearch(nextMeasureText, nextMeasurePrefix);
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}
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} else if (mergedMeasuring) {
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stopMeasure();
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}
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};
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const onInternalPressEnter = event => {
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if (!mergedMeasuring && onPressEnter) {
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onPressEnter(event);
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}
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};
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// ============================ Focus Blur ============================
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const focusRef = useRef();
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const onInternalFocus = event => {
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window.clearTimeout(focusRef.current);
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if (!isFocus && event && onFocus) {
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onFocus(event);
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}
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setIsFocus(true);
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};
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const onInternalBlur = event => {
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focusRef.current = window.setTimeout(() => {
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setIsFocus(false);
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stopMeasure();
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onBlur?.(event);
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}, 0);
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};
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const onDropdownFocus = () => {
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onInternalFocus();
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};
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const onDropdownBlur = () => {
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onInternalBlur();
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};
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// ============================== Scroll ===============================
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const onInternalPopupScroll = event => {
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onPopupScroll?.(event);
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};
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// ============================== Styles ==============================
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const mergedStyles = React.useMemo(() => {
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const resizeStyle = styles?.textarea?.resize ?? style?.resize;
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const mergedTextareaStyle = {
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...styles?.textarea
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};
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// Only add resize if it has a valid value, avoid setting undefined
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if (resizeStyle !== undefined) {
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mergedTextareaStyle.resize = resizeStyle;
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}
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return {
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...styles,
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textarea: mergedTextareaStyle
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};
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}, [style, styles]);
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// ============================== Render ==============================
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const mentionNode = /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(TextArea, _extends({
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classNames: {
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textarea: mentionClassNames?.textarea
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}
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/**
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* Example:<Mentions style={{ resize: 'none' }} />.
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* If written this way, resizing here will become invalid.
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* The TextArea component code and found that the resize parameter in the style of the ResizeTextArea component is obtained from prop.style.
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* Just pass the resize attribute and leave everything else unchanged.
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*/,
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styles: mergedStyles,
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ref: textareaRef,
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value: mergedValue
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}, restProps, {
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rows: rows,
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onChange: onInternalChange,
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onKeyDown: onInternalKeyDown,
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onKeyUp: onInternalKeyUp,
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onPressEnter: onInternalPressEnter,
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onFocus: onInternalFocus,
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onBlur: onInternalBlur
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})), mergedMeasuring && /*#__PURE__*/React.createElement("div", {
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ref: measureRef,
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className: `${prefixCls}-measure`
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}, mergedValue.slice(0, mergedMeasureLocation), /*#__PURE__*/React.createElement(MentionsContext.Provider, {
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value: {
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notFoundContent,
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activeIndex,
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setActiveIndex,
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selectOption,
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onFocus: onDropdownFocus,
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onBlur: onDropdownBlur,
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onScroll: onInternalPopupScroll
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}
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}, /*#__PURE__*/React.createElement(KeywordTrigger, {
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prefixCls: prefixCls,
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transitionName: transitionName,
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placement: placement,
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direction: direction,
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options: mergedOptions,
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visible: true,
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getPopupContainer: getPopupContainer,
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popupClassName: clsx(popupClassName, mentionClassNames?.popup),
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popupStyle: styles?.popup
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}, /*#__PURE__*/React.createElement("span", null, mergedMeasurePrefix))), mergedValue.slice(mergedMeasureLocation + mergedMeasurePrefix.length)));
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if (!hasWrapper) {
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return /*#__PURE__*/React.createElement("div", {
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className: clsx(prefixCls, className),
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style: style,
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ref: containerRef
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}, mentionNode);
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}
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return mentionNode;
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});
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const Mentions = /*#__PURE__*/forwardRef(({
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suffix,
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prefixCls = 'rc-mentions',
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defaultValue,
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value: customValue,
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id,
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allowClear,
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onChange,
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classNames: mentionsClassNames,
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styles,
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className,
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disabled,
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onClear,
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...rest
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}, ref) => {
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const hasSuffix = !!(suffix || allowClear);
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// =============================== Ref ================================
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const holderRef = useRef(null);
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const mentionRef = useRef(null);
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useImperativeHandle(ref, () => ({
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...mentionRef.current,
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nativeElement: holderRef.current?.nativeElement || mentionRef.current?.nativeElement
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}));
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// ============================== Value ===============================
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const [mergedValue, setMergedValue] = useControlledState(defaultValue || '', customValue);
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// ============================== Change ==============================
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const triggerChange = currentValue => {
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setMergedValue(currentValue);
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onChange?.(currentValue);
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};
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// ============================== Reset ===============================
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const handleReset = () => {
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triggerChange('');
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};
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return /*#__PURE__*/React.createElement(BaseInput, {
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suffix: suffix,
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prefixCls: prefixCls,
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value: mergedValue,
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allowClear: allowClear,
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handleReset: handleReset,
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className: clsx(prefixCls, className, {
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// hasSuffix
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[`${prefixCls}-has-suffix`]: hasSuffix
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}),
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classNames: mentionsClassNames,
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disabled: disabled,
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ref: holderRef,
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onClear: onClear
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}, /*#__PURE__*/React.createElement(InternalMentions, _extends({
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className: mentionsClassNames?.mentions,
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styles: styles,
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classNames: mentionsClassNames,
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prefixCls: prefixCls,
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id: id,
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ref: mentionRef,
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onChange: triggerChange,
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disabled: disabled,
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hasWrapper: hasSuffix
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}, rest)));
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});
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Mentions.Option = Option;
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export default Mentions; |