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fix(search): avoid matching html entity

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Jimmy Cai 2021-12-29 10:17:46 +00:00 committed by GitHub
parent 7c3bab9ea7
commit d55e4f5e2d
1 changed files with 32 additions and 33 deletions
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65
assets/ts/search.tsx
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@ -72,24 +72,30 @@ class Search {
const item = matches[i]; const item = matches[i];
if (item.start > lastIndex) { if (item.start > lastIndex) {
resultArray.push(str.substring(lastIndex, item.start)); if (item.start - 20 > lastIndex) {
resultArray.push(`${replaceHTMLEnt(str.substring(lastIndex, lastIndex + 20))}`);
resultArray.push(` [...] ${replaceHTMLEnt(str.substring(item.start - 20, item.start))}`);
}
else {
resultArray.push(replaceHTMLEnt(str.substring(lastIndex, item.start)));
}
} }
let j = i + 1, let j = i + 1,
end = item.end; end = item.end;
while (j < matches.length && matches[j].start <= end) { while (j < matches.length && matches[j].start <= end) {
end = matches[j].end; end = Math.max(matches[j].end, end);
j++; ++j;
} }
resultArray.push(`<mark>${str.substring(item.start, end)}</mark>`); resultArray.push(`<mark>${replaceHTMLEnt(str.substring(item.start, end))}</mark>`);
i = j; i = j;
lastIndex = end; lastIndex = end;
} }
resultArray.push(str.substring(lastIndex)); resultArray.push(replaceHTMLEnt(str.substring(lastIndex)));
return resultArray; return resultArray;
} }
@ -111,40 +117,28 @@ class Search {
for (const keyword of keywords) { for (const keyword of keywords) {
if (keyword === '') continue; if (keyword === '') continue;
const regex = new RegExp(escapeRegExp(replaceHTMLEnt(keyword)), 'gi'); const regex = new RegExp(escapeRegExp(keyword), 'gi');
const contentMatch = regex.exec(result.content); const contentMatchAll = item.content.matchAll(regex);
regex.lastIndex = 0; /// Reset regex for (const match of Array.from(contentMatchAll)) {
const titleMatch = regex.exec(result.title);
regex.lastIndex = 0; /// Reset regex
if (titleMatch) {
titleMatches.push({
start: titleMatch.index,
end: titleMatch.index + titleMatch[0].length
});
}
if (contentMatch) {
contentMatches.push({ contentMatches.push({
start: contentMatch.index, start: match.index,
end: contentMatch.index + contentMatch[0].length end: match.index + match[0].length
});
}
const titleMatchAll = item.title.matchAll(regex);
for (const match of Array.from(titleMatchAll)) {
titleMatches.push({
start: match.index,
end: match.index + match[0].length
}); });
} }
} }
if (titleMatches.length > 0) { if (titleMatches.length > 0) result.title = Search.processMatches(result.title, titleMatches).join('');
result.title = Search.processMatches(result.title, titleMatches).join(''); if (contentMatches.length > 0) result.preview = Search.processMatches(result.content, contentMatches).join('');
} if (titleMatches.length > 0 || contentMatches.length > 0) results.push(result);
if (contentMatches.length > 0) {
result.preview = Search.processMatches(result.content, contentMatches).join('');
}
if (titleMatches.length > 0 || contentMatches.length > 0) {
results.push(result);
}
} }
/** Result with more matches appears first */ /** Result with more matches appears first */
@ -181,6 +175,11 @@ class Search {
/// Not fetched yet /// Not fetched yet
const jsonURL = this.form.dataset.json; const jsonURL = this.form.dataset.json;
this.data = await fetch(jsonURL).then(res => res.json()); this.data = await fetch(jsonURL).then(res => res.json());
for (const item of this.data) {
const parser = new DOMParser();
item.content = parser.parseFromString(item.content, 'text/html').documentElement.textContent;
}
} }
return this.data; return this.data;