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Fix discussion search result suggestion excerpts

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So that they show the relevant part of the post
This commit is contained in:
Toby Zerner 2015-07-07 16:16:20 +09:30
parent 85cd2663e3
commit e62093f4dd
3 changed files with 20 additions and 13 deletions
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2
framework/core/js/forum/src/components/discussions-search-results.js
View File

@ -29,7 +29,7 @@ export default class DiscussionsSearchResults {
return m('li.discussion-search-result', {'data-index': 'discussions'+discussion.id()},
m('a', { href: app.route.discussion(discussion, post && post.number()), config: m.route },
m('div.title', highlight(discussion.title(), string)),
post ? m('div.excerpt', highlight(truncate(post.contentPlain(), 100), string)) : ''
post ? m('div.excerpt', highlight(post.contentPlain(), string, 100)) : ''
)
);
}) : ''

22
framework/core/js/lib/helpers/highlight.js
View File

@ -1,13 +1,21 @@
export default function(string, regexp) {
if (!regexp) {
import truncate from '../utils/truncate';
export default function(string, phrase, length) {
if (!phrase) {
return string;
}
if (!(regexp instanceof RegExp)) {
regexp = new RegExp(regexp, 'gi');
const regexp = regexp instanceof RegExp ? phrase : new RegExp(phrase, 'gi');
let highlightedString = string;
let start = 0;
if (length) {
start = Math.max(0, string.search(regexp) - length / 2);
highlightedString = truncate(highlightedString, length, start);
}
return m.trust(
$('<div/>').text(string).html().replace(regexp, '<mark>$&</mark>')
);
highlightedString = $('<div/>').text(highlightedString).html().replace(regexp, '<mark>$&</mark>');
return m.trust(highlightedString);
}

9
framework/core/js/lib/utils/truncate.js
View File

@ -1,6 +1,5 @@
export default function truncate(string, length, start) {
start = start || 0;
string = string || '';
return (start > 0 ? '...' : '')+string.substring(start, start + length)+(string.length > start + length ? '...' : '');
export default function truncate(string = '', length, start = 0) {
return (start > 0 ? '...' : '') +
string.substring(start, start + length) +
(string.length > start + length ? '...' : '');
}