Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 | 63x 63x 63x 63x 63x 17x 11x 10x 1x 63x 17x 17x 6x 6x 6x 6x 11x 17x 17x 17x 17x 11x 63x 63x 23x 23x 63x 14x 14x 63x 1x 1x 1x 63x 10x 10x 63x 3x 3x 3x 3x 63x 2x 2x 2x 2x 63x 2x 2x 2x 2x 63x 4x 4x 3x 3x 3x 3x 3x 63x 2x 2x 1x 1x 1x 1x 1x 63x 63x | import { useState, useCallback, useRef, useEffect } from 'react';
import type { EditorMode } from '../Toolbar';
import {
findMatches,
applyHighlights,
clearHighlights,
scrollToMatch,
type MatchRange,
type SearchOptions,
} from './domHighlighter';
export interface SearchState {
isOpen: boolean;
query: string;
caseSensitive: boolean;
wholeWord: boolean;
useRegex: boolean;
matchCount: number;
currentIndex: number;
}
export interface SearchActions {
open: () => void;
close: () => void;
setQuery: (q: string) => void;
toggleCaseSensitive: () => void;
toggleWholeWord: () => void;
toggleRegex: () => void;
findNext: () => void;
findPrev: () => void;
}
export function useSearch(
mode: EditorMode,
contentContainerRef: React.RefObject<HTMLDivElement | null>,
) {
const [state, setState] = useState<SearchState>({
isOpen: false,
query: '',
caseSensitive: false,
wholeWord: false,
useRegex: false,
matchCount: 0,
currentIndex: -1,
});
const domMatchesRef = useRef<MatchRange[]>([]);
const searchInputRef = useRef<HTMLInputElement | null>(null);
const searchParamsRef = useRef(state);
const getSearchContainer = useCallback((): Element | null => {
if (!contentContainerRef.current) return null;
if (mode === 'preview') {
return contentContainerRef.current.querySelector('.markdown-section') ??
contentContainerRef.current;
}
return contentContainerRef.current.querySelector('.ProseMirror') ??
contentContainerRef.current;
}, [mode, contentContainerRef]);
const executeSearch = useCallback((
query: string,
options: SearchOptions,
newIndex?: number,
) => {
const container = getSearchContainer();
if (!container) {
domMatchesRef.current = [];
clearHighlights();
setState(prev => ({ ...prev, matchCount: 0, currentIndex: -1 }));
return;
}
const matches = query ? findMatches(container, query, options) : [];
domMatchesRef.current = matches;
const idx = matches.length > 0
? Math.min(newIndex ?? 0, matches.length - 1)
: -1;
applyHighlights(matches, idx);
if (idx >= 0) scrollToMatch(matches[idx]);
setState(prev => ({
...prev,
matchCount: matches.length,
currentIndex: idx,
}));
}, [getSearchContainer]);
searchParamsRef.current = state;
useEffect(() => {
const params = searchParamsRef.current;
Iif (params.isOpen && params.query) {
const timer = setTimeout(() => {
executeSearch(params.query, {
caseSensitive: params.caseSensitive,
wholeWord: params.wholeWord,
useRegex: params.useRegex,
});
}, 100);
return () => clearTimeout(timer);
}
}, [mode, executeSearch]);
const open = useCallback(() => {
setState(prev => ({ ...prev, isOpen: true }));
requestAnimationFrame(() => searchInputRef.current?.focus());
}, []);
const close = useCallback(() => {
setState(prev => ({
...prev,
isOpen: false,
matchCount: 0,
currentIndex: -1,
}));
domMatchesRef.current = [];
clearHighlights();
}, []);
const setQueryText = useCallback((q: string) => {
setState(prev => ({ ...prev, query: q }));
executeSearch(q, {
caseSensitive: state.caseSensitive,
wholeWord: state.wholeWord,
useRegex: state.useRegex,
});
}, [executeSearch, state.caseSensitive, state.wholeWord, state.useRegex]);
const toggleCaseSensitive = useCallback(() => {
setState(prev => {
const next = { ...prev, caseSensitive: !prev.caseSensitive };
executeSearch(prev.query, {
caseSensitive: next.caseSensitive,
wholeWord: prev.wholeWord,
useRegex: prev.useRegex,
});
return next;
});
}, [executeSearch]);
const toggleWholeWord = useCallback(() => {
setState(prev => {
const next = { ...prev, wholeWord: !prev.wholeWord };
executeSearch(prev.query, {
caseSensitive: prev.caseSensitive,
wholeWord: next.wholeWord,
useRegex: prev.useRegex,
});
return next;
});
}, [executeSearch]);
const toggleRegex = useCallback(() => {
setState(prev => {
const next = { ...prev, useRegex: !prev.useRegex };
executeSearch(prev.query, {
caseSensitive: prev.caseSensitive,
wholeWord: prev.wholeWord,
useRegex: next.useRegex,
});
return next;
});
}, [executeSearch]);
const findNext = useCallback(() => {
const matches = domMatchesRef.current;
if (matches.length === 0) return;
setState(prev => {
const newIdx = prev.currentIndex + 1 >= matches.length ? 0 : prev.currentIndex + 1;
applyHighlights(matches, newIdx);
scrollToMatch(matches[newIdx]);
return { ...prev, currentIndex: newIdx };
});
}, []);
const findPrev = useCallback(() => {
const matches = domMatchesRef.current;
if (matches.length === 0) return;
setState(prev => {
const newIdx = prev.currentIndex - 1 < 0 ? matches.length - 1 : prev.currentIndex - 1;
applyHighlights(matches, newIdx);
scrollToMatch(matches[newIdx]);
return { ...prev, currentIndex: newIdx };
});
}, []);
const actions: SearchActions = {
open,
close,
setQuery: setQueryText,
toggleCaseSensitive,
toggleWholeWord,
toggleRegex,
findNext,
findPrev,
};
return { state, actions, searchInputRef };
}
|