const idx = [
|
{{- range .Site.Pages }}
|
{
|
"link": "{{ .Permalink }}",
|
"title": "{{ .Title }}",
|
"body": "{{ .PlainWords }}".toLowerCase(),
|
},
|
{{- end }}
|
];
|
|
const searchKeys = ['title', 'link', 'body', 'id'];
|
|
const searchPageElement = elem('#searchpage');
|
|
const searchOptions = {
|
ignoreLocation: true,
|
findAllMatches: true,
|
includeScore: true,
|
shouldSort: true,
|
keys: searchKeys,
|
threshold: 0.0
|
};
|
|
const index = new Fuse(idx, searchOptions);
|
|
function minQueryLen(query) {
|
query = query.trim();
|
const queryIsFloat = parseFloat(query);
|
const minimumQueryLength = queryIsFloat ? 1 : 2;
|
console.log(query, queryIsFloat, minimumQueryLength);
|
return minimumQueryLength;
|
}
|
|
function searchResults(results=[], query="", passive = false) {
|
let resultsFragment = new DocumentFragment();
|
let showResults = elem('.search_results');
|
if(passive) {
|
showResults = searchPageElement;
|
}
|
emptyEl(showResults);
|
|
const queryLen = query.length;
|
const requiredQueryLen = minQueryLen(query);
|
|
if(results.length && queryLen >= requiredQueryLen) {
|
console.log('hmm');
|
let resultsTitle = createEl('h3');
|
resultsTitle.className = 'search_title';
|
resultsTitle.innerText = quickLinks;
|
if(passive) {
|
resultsTitle.innerText = searchResultsLabel;
|
}
|
resultsFragment.appendChild(resultsTitle);
|
if(!searchPageElement) {
|
results = results.slice(0,8);
|
} else {
|
results = results.slice(0,12);
|
}
|
results.forEach(function(result){
|
let item = createEl('a');
|
item.href = `${result.link}?query=${query}`;
|
item.className = 'search_result';
|
item.style.order = result.score;
|
if(passive) {
|
pushClass(item, 'passive');
|
let itemTitle = createEl('h3');
|
itemTitle.textContent = result.title;
|
item.appendChild(itemTitle);
|
|
let itemDescription = createEl('p');
|
// position of first search term instance
|
let queryInstance = result.body.indexOf(query);
|
itemDescription.textContent = `... ${result.body.substring(queryInstance, queryInstance + 200)} ...`;
|
item.appendChild(itemDescription);
|
} else {
|
item.textContent = result.title;
|
}
|
resultsFragment.appendChild(item);
|
});
|
}
|
|
if(queryLen >= requiredQueryLen) {
|
if (!results.length) {
|
showResults.innerHTML = `<span class="search_result">${noMatchesFound}</span>`;
|
}
|
} else {
|
if (queryLen > 1) {
|
showResults.innerHTML = `<label for="find" class="search_result">${shortSearchQuery}</label>`;
|
} else {
|
showResults.innerHTML = `<label for="find" class="search_result">${typeToSearch}</label>`;
|
}
|
}
|
|
showResults.appendChild(resultsFragment);
|
}
|
|
function search(searchTerm, passive = false) {
|
if(searchTerm.length) {
|
let rawResults = index.search(searchTerm);
|
rawResults = rawResults.map(function(result){
|
const score = result.score;
|
const resultItem = result.item;
|
resultItem.score = (parseFloat(score) * 50).toFixed(0);
|
return resultItem;
|
});
|
|
passive ? searchResults(rawResults, searchTerm, true) : searchResults(rawResults, searchTerm);
|
|
} else {
|
passive ? searchResults([], "", true) : searchResults();
|
}
|
}
|
|
function liveSearch() {
|
const searchField = elem('.search_field');
|
|
if (searchField) {
|
searchField.addEventListener('input', function() {
|
const searchTerm = searchField.value.trim().toLowerCase();
|
search(searchTerm);
|
});
|
|
if(!searchPageElement) {
|
searchField.addEventListener('search', function(){
|
const searchTerm = searchField.value.trim().toLowerCase();
|
if(searchTerm.length) {
|
window.location.href = new URL(`search/?query=${searchTerm}`, rootURL).href;
|
}
|
});
|
}
|
}
|
}
|
|
function findQuery(query = 'query') {
|
const urlParams = new URLSearchParams(window.location.search);
|
if(urlParams.has(query)){
|
let c = urlParams.get(query);
|
return c;
|
}
|
return "";
|
}
|
|
function passiveSearch() {
|
if(searchPageElement) {
|
const searchTerm = findQuery();
|
search(searchTerm, true);
|
|
// search actively after search page has loaded
|
const searchField = elem('.search_field');
|
|
if(searchField) {
|
searchField.addEventListener('input', function() {
|
const searchTerm = searchField.value.trim().toLowerCase();
|
search(searchTerm, true);
|
wrapText(searchTerm, main);
|
});
|
}
|
}
|
}
|
|
function hasSearchResults() {
|
const searchResults = elem('.results');
|
const body = searchResults.innerHTML.length;
|
return [searchResults, body]
|
}
|
|
function clearSearchResults() {
|
let searchResults = hasSearchResults();
|
let actionable = searchResults[1];
|
if(actionable) {
|
searchResults = searchResults[0];
|
searchResults.innerHTML = "";
|
// clear search field
|
const searchField = elem('.search_field');
|
searchField.value = "";
|
}
|
}
|
|
function onEscape(fn){
|
window.addEventListener('keydown', function(event){
|
if(event.code === "Escape") {
|
fn();
|
}
|
});
|
}
|
|
let main = elem('main');
|
if(!main) {
|
main = elem('.main');
|
}
|
|
window.addEventListener('load', function() {
|
searchPageElement ? false : liveSearch();
|
passiveSearch();
|
|
wrapText(findQuery(), main);
|
|
onEscape(clearSearchResults);
|
});
|
|
window.addEventListener('click', function(event){
|
const target = event.target;
|
const isSearch = target.closest('.search') || target.matches('.search');
|
if(!isSearch && !searchPageElement) {
|
clearSearchResults();
|
}
|
});
|
