feat: add search template

This commit is contained in:
Jimmy Cai 2020-09-26 11:40:33 +02:00
parent 12578a5769
commit e5f96c8762
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GPG Key ID: 3EA408E527F37B18
6 changed files with 362 additions and 0 deletions

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@ -207,6 +207,13 @@
.article-time { .article-time {
font-size: 1.4rem; font-size: 1.4rem;
} }
.article-preview{
font-size: 1.4rem;
color: var(--card-text-color-tertiary);
margin-top: 10px;
line-height: 1.5;
}
} }
} }

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@ -0,0 +1,90 @@
.search-form {
margin-bottom: var(--section-separation);
position: relative;
--button-size: 80px;
&.widget {
--button-size: 60px;
label {
font-size: 1.3rem;
top: 10px;
}
input {
font-size: 1.5rem;
padding: 30px 20px 15px 20px;
}
}
p {
position: relative;
margin: 0;
}
label {
position: absolute;
top: 15px;
left: 20px;
font-size: 1.4rem;
color: var(--card-text-color-tertiary);
}
input {
padding: 40px 20px 20px;
border-radius: var(--card-border-radius);
background-color: var(--card-background);
box-shadow: var(--shadow-l1);
color: var(--card-text-color-main);
width: 100%;
border: 0;
-webkit-appearance: none;
transition: box-shadow 0.3s ease;
font-size: 1.8rem;
&:focus {
outline: 0;
box-shadow: var(--shadow-l2);
}
}
button {
position: absolute;
right: 0;
top: 0;
height: 100%;
width: var(--button-size);
cursor: pointer;
background-color: transparent;
border: 0;
padding: 0 10px;
&:focus {
outline: 0;
svg {
stroke-width: 2;
color: var(--accent-color);
}
}
svg {
color: var(--card-text-color-secondary);
stroke-width: 1.33;
transition: all 0.3s ease;
width: 20px;
height: 20px;
}
}
}
.search-result--title {
text-transform: uppercase;
margin-bottom: 10px;
font-size: 1.5rem;
font-weight: 700;
color: var(--body-text-color);
}

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@ -23,6 +23,7 @@
@import "partials/layout/article.scss"; @import "partials/layout/article.scss";
@import "partials/layout/taxonomy.scss"; @import "partials/layout/taxonomy.scss";
@import "partials/layout/404.scss"; @import "partials/layout/404.scss";
@import "partials/layout/search.scss";
a { a {
text-decoration: none; text-decoration: none;

222
assets/ts/search.tsx Normal file
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@ -0,0 +1,222 @@
interface pageData {
title: string,
date: string,
permalink: string,
content: string,
image?: string,
preview: string,
matchCount: number
}
const searchForm = document.querySelector('.search-form') as HTMLFormElement;
const searchInput = searchForm.querySelector('input') as HTMLInputElement;
const searchResultList = document.querySelector('.search-result--list') as HTMLDivElement;
const searchResultTitle = document.querySelector('.search-result--title') as HTMLHeadingElement;
let data: pageData[];
function createElement(tag, attrs, children) {
var element = document.createElement(tag);
for (let name in attrs) {
if (name && attrs.hasOwnProperty(name)) {
let value = attrs[name];
if (name == "dangerouslySetInnerHTML") {
element.innerHTML = value.__html;
}
else if (value === true) {
element.setAttribute(name, name);
} else if (value !== false && value != null) {
element.setAttribute(name, value.toString());
}
}
}
for (let i = 2; i < arguments.length; i++) {
let child = arguments[i];
if (child) {
element.appendChild(
child.nodeType == null ?
document.createTextNode(child.toString()) : child);
}
}
return element;
}
window.createElement = createElement;
function escapeRegExp(string) {
return string.replace(/[.*+\-?^${}()|[\]\\]/g, '\\$&');
}
async function getData() {
if (!data) {
/// Not fetched yet
const jsonURL = searchForm.dataset.json;
data = await fetch(jsonURL).then(res => res.json());
}
return data;
}
function updateQueryString(keywords: string) {
const pageURL = new URL(window.location.toString());
if (keywords === '') {
pageURL.searchParams.delete('keyword')
}
else {
pageURL.searchParams.set('keyword', keywords);
}
window.history.pushState('', '', pageURL.toString());
}
function bindQueryStringChange() {
window.addEventListener('popstate', (e) => {
handleQueryString()
})
}
function handleQueryString() {
const pageURL = new URL(window.location.toString());
const keywords = pageURL.searchParams.get('keyword');
searchInput.value = keywords;
if (keywords) {
doSearch(keywords.split(' '));
}
else {
clear()
}
}
function bindSearchForm() {
let lastSearch = '';
searchForm.addEventListener('submit', async (e) => {
e.preventDefault();
const keywords = searchInput.value;
updateQueryString(keywords);
if (keywords === '') {
return clear();
}
if (lastSearch === keywords) return;
lastSearch = keywords;
doSearch(keywords.split(' '));
})
}
function clear() {
searchResultList.innerHTML = '';
searchResultTitle.innerText = '';
}
async function doSearch(keywords: string[]) {
const startTime = performance.now();
const results = await searchKeyword(keywords);
clear();
for (const item of results) {
searchResultList.append(render(item));
}
const endTime = performance.now();
searchResultTitle.innerText = `${results.length} pages (${((endTime - startTime) / 1000).toPrecision(1)} seconds)`;
}
function marker(match, p1, p2, p3, offset, string) {
return '<mark>' + match + '</mark>';
}
async function searchKeyword(keywords: string[]) {
const rawData = await getData();
let results: pageData[] = [];
keywords.sort((a, b) => {
return b.length - a.length
});
for (const item of rawData) {
let result = {
...item,
preview: '',
matchCount: 0
}
let matched = false;
for (const keyword of keywords) {
const regex = new RegExp(escapeRegExp(keyword), 'gi');
const contentMatch = regex.exec(item.content);
regex.lastIndex = 0; /// Reset regex
const titleMatch = regex.exec(item.title);
regex.lastIndex = 0; /// Reset regex
if (titleMatch) {
result.title = item.title.replace(regex, marker);
}
if (titleMatch || contentMatch) {
matched = true;
++result.matchCount;
let start = 0,
end = 100;
if (contentMatch) {
start = contentMatch.index - 20;
end = contentMatch.index + 80
if (start < 0) start = 0;
}
if (result.preview.indexOf(keyword) !== -1) {
result.preview = result.preview.replace(regex, marker);
}
else {
if (start !== 0) result.preview += `[...] `;
result.preview += `${result.content.slice(start, end).replace(regex, marker)} `;
}
}
}
if (matched) {
result.preview += '[...]';
results.push(result);
}
}
/** Result with more matches appears first */
return results.sort((a, b) => {
return b.matchCount - a.matchCount;
});
}
const render = (item: pageData) => {
return <article>
<a href={item.permalink}>
<div class="article-details">
<h2 class="article-title" dangerouslySetInnerHTML={{ __html: item.title }}></h2>
<secion class="article-preview" dangerouslySetInnerHTML={{ __html: item.preview }}></secion>
</div>
{item.image &&
<div class="article-image">
<img src={item.image} loading="lazy" />
</div>
}
</a>
</article>;
}
window.addEventListener('load', () => {
handleQueryString();
bindQueryStringChange();
bindSearchForm();
})

22
layouts/page/search.html Normal file
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@ -0,0 +1,22 @@
{{ define "body-class" }}template-search{{ end }}
{{ define "main" }}
<form action="{{ .Permalink }}" class="search-form"{{ with .OutputFormats.Get "json" -}} data-json="{{ .Permalink }}"{{- end }}>
<p>
<label>Keyword</label>
<input name="keyword" placeholder="Type something..." />
</p>
<button title="Search">
{{ (resources.Get "icons/search.svg").Content | safeHTML }}
</button>
</form>
<h3 class="search-result--title"></h3>
<div class="search-result--list article-list--compact"></div>
{{- $opts := dict "minify" hugo.IsProduction "JSXFactory" "createElement" -}}
{{- $searchScript := resources.Get "ts/search.tsx" | js.Build $opts -}}
<script type="text/javascript" src="{{ $searchScript.RelPermalink }}" defer></script>
{{ partialCached "footer/footer" . }}
{{ end }}

20
layouts/page/search.json Normal file
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{{- $pages := where .Site.RegularPages "Type" "in" .Site.Params.mainSections -}}
{{- $notHidden := where .Site.RegularPages "Params.hidden" "!=" true -}}
{{- $filtered := ($pages | intersect $notHidden) -}}
{{- $result := slice -}}
{{- range $filtered -}}
{{- $data := dict "title" .Title "date" .Date "permalink" .Permalink "content" (htmlUnescape .Plain) -}}
{{- $image := partialCached "helper/image" (dict "Context" . "Type" "articleList") .RelPermalink "articleList" -}}
{{- if and $image.exists $image.resource -}}
{{- $thumbnail := $image.resource.Fill "120x120" -}}
{{- $image := dict "image" (absURL $thumbnail.Permalink) -}}
{{- $data = merge $data $image -}}
{{ end }}
{{- $result = $result | append $data -}}
{{- end -}}
{{ jsonify $result }}