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add scoring and sort to search plugin

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Gorgi Kosev 2019-03-28 02:47:49 +00:00 • committed by Anton Wilhelm
commit bc1d8e4bda
1 changed files with 13 additions and 14 deletions
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27
src/plugins/search/search.js
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@ -96,29 +96,27 @@ export function search(query) {
for (let i = 0; i < data.length; i++) { for (let i = 0; i < data.length; i++) {
const post = data[i] const post = data[i]
let isMatch = false let matchesScore = 0
let resultStr = '' let resultStr = ''
const postTitle = post.title && post.title.trim() const postTitle = post.title && post.title.trim()
const postContent = post.body && post.body.trim() const postContent = post.body && post.body.trim()
const postUrl = post.slug || '' const postUrl = post.slug || ''
if (postTitle && postContent) { if (postTitle) {
keywords.forEach(keyword => { keywords.forEach( keyword => {
// From https://github.com/sindresorhus/escape-string-regexp // From https://github.com/sindresorhus/escape-string-regexp
const regEx = new RegExp( const regEx = new RegExp(
keyword.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&'), keyword.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&'),
'gi' 'gi'
) );
let indexTitle = -1 let indexTitle = -1
let indexContent = -1 let indexContent = -1
indexTitle = postTitle && postTitle.search(regEx) indexTitle = postTitle ? postTitle.search(regEx) : -1
indexContent = postContent && postContent.search(regEx) indexContent = postContent ? postContent.search(regEx) : -1
if (indexTitle < 0 && indexContent < 0) { if (indexTitle >= 0 || indexContent >= 0) {
isMatch = false matchesScore += indexTitle >= 0 ? 3 : indexContent >= 0 ? 2 : 0;
} else {
isMatch = true
if (indexContent < 0) { if (indexContent < 0) {
indexContent = 0 indexContent = 0
} }
@ -144,11 +142,12 @@ export function search(query) {
} }
}) })
if (isMatch) { if (matchesScore > 0) {
const matchingPost = { const matchingPost = {
title: escapeHtml(postTitle), title: escapeHtml(postTitle),
content: resultStr, content: postContent ? resultStr : '',
url: postUrl url: postUrl,
score: matchesScore
} }
matchingResults.push(matchingPost) matchingResults.push(matchingPost)
@ -156,7 +155,7 @@ export function search(query) {
} }
} }
return matchingResults return matchingResults.sort((r1, r2) => r2.score - r1.score);
} }
export function init(config, vm) { export function init(config, vm) {