Skip to content

use fuse.js for search #840 #841

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

use fuse.js for search #840 #841

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
125 changes: 60 additions & 65 deletions src/plugins/search/search.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -88,75 +88,70 @@ export function search(query) {
data = data.concat(Object.keys(INDEXS[key]).map(page => INDEXS[key][page]))
})

query = query.trim()
let keywords = query.split(/[\s\-，\\/]+/)
if (keywords.length !== 1) {
keywords = [].concat(query, keywords)
}

for (let i = 0; i < data.length; i++) {
const post = data[i]
let isMatch = false
let resultStr = ''
const postTitle = post.title && post.title.trim()
const postContent = post.body && post.body.trim()
const postUrl = post.slug || ''

if (postTitle && postContent) {
keywords.forEach(keyword => {
// From https://github.com/sindresorhus/escape-string-regexp
const regEx = new RegExp(
keyword.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&'),
'gi'
)
let indexTitle = -1
let indexContent = -1

indexTitle = postTitle && postTitle.search(regEx)
indexContent = postContent && postContent.search(regEx)

if (indexTitle < 0 && indexContent < 0) {
isMatch = false
} else {
isMatch = true
if (indexContent < 0) {
indexContent = 0
}

let start = 0
let end = 0

start = indexContent < 11 ? 0 : indexContent - 10
end = start === 0 ? 70 : indexContent + keyword.length + 60

if (end > postContent.length) {
end = postContent.length
}

const matchContent =
'...' +
escapeHtml(postContent)
.substring(start, end)
.replace(regEx, `<em class="search-keyword">${keyword}</em>`) +
'...'

resultStr += matchContent
var options = {
shouldSort: true,
includeMatches: true,
threshold: 0.45,
location: 0,
distance: 100,
maxPatternLength: 32,
minMatchCharLength: 1,
keys: [{
name: 'title',
weight: 0.75
}, {
name: 'body',
weight: 0.25
}]
};
var fuse = new Fuse(data, options);
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

where's Fuse coming from?

Copy link
Author

@wjhrdy wjhrdy May 9, 2019 •
edited
Loading

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

gotta include it in index.html as a separate dependency.

cdn here:
https://cdnjs.cloudflare.com/ajax/libs/fuse.js/3.4.4/fuse.min.js

documentation:
https://fusejs.io/

Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

could you please update the docs to reflect this within this PR?

var result = fuse.search(query);

var highlighter = function(resultItem){
resultItem.matches.forEach((matchItem) => {
var text = resultItem.item[matchItem.key];
var result = []
var matches = [].concat(matchItem.indices);
var pair = matches.shift()

for (var i = 0; i < text.length; i++) {
var char = text.charAt(i)
if (pair && i == pair[0]) {
result.push('<em class="search-keyword">')
}
})

if (isMatch) {
const matchingPost = {
title: escapeHtml(postTitle),
content: resultStr,
url: postUrl
result.push(char)
if (pair && i == pair[1]) {
result.push('</em>')
pair = matches.shift()
}

matchingResults.push(matchingPost)
}
}
}
resultItem.highlight = result.join('');

return matchingResults
if(resultItem.children && resultItem.children.length > 0){
resultItem.children.forEach((child) => {
highlighter(child);
});
}
});
};

result.forEach((resultItem) => {
highlighter(resultItem);
});

var resultFormatted = result.map(function(obj) {
var postTitle = escapeHtml(obj.item.title);
var postContent = obj.highlight;
var postUrl = obj.item.slug || '';

return {
title: postTitle,
content: postContent,
url: postUrl
};
});

return resultFormatted;
}

export function init(config, vm) {
Expand Down