Improve UX and add more page links

This commit is contained in:
Paul
2021-09-24 00:08:37 -04:00
parent e2cfd0f266
commit 7e15316ad6
4 changed files with 183 additions and 53 deletions

View File

@@ -1,19 +1,27 @@
// good luck reading through this
(function () {
var client = new XMLHttpRequest();
setTimeout(() => {
let searchField = document.querySelector("#search");
if (searchField === null)
return;
let client = new XMLHttpRequest();
client.open("GET", "/pages.json");
client.onreadystatechange = () => {
if (client.readyState === 4)
fuzzyInit(client.responseText);
}
client.send();
document.querySelector("#search").focus();
})();
searchField.focus();
}, 50);
function fuzzyInit(pagesFileName) {
if (pagesFileName == "")
return;
let searchField = document.querySelector("#search");
let resultBlock = document.querySelector("#results");
if (searchField === null || resultBlock === null)
return;
var pages;
try {
pages = JSON.parse(pagesFileName);
@@ -25,66 +33,97 @@ function fuzzyInit(pagesFileName) {
pages.sort();
document.querySelector("#search")
.addEventListener("keyup", (e) => {
switch (e.code) {
case "Enter":
if (document.querySelector("#results").childNodes[0].href === undefined)
return;
window.location = document.querySelector("#results").childNodes[0].href;
break;
case "ArrowDown":
console.log("S");
break;
case "ArrowUp":
console.log("W");
break;
}
searchField.addEventListener("keyup", (e) => {
// help
if (document.querySelector("#search").value === "?" || document.querySelector("#search").value == "help") {
document.querySelector("#results").innerHTML = "Enter a page or directory name. If do not know any, clear the search field to list everything. Using the <code>Enter</code> key would take you to the first page in list, if it is not empty."
let searchValue = searchField.value ? searchField.value.toLowerCase() : "";
if (e.code === "Enter") {
if (resultBlock.childNodes === null
|| resultBlock.childNodes[0] === null
|| resultBlock.childNodes[0].href === undefined)
return;
window.location = resultBlock.childNodes[0].href;
return;
}
// if (document.querySelector("#search").value === ""){
// document.querySelector("#results").innerHTML = "Try entering something into the input field...";
// return;
// }
// help
if (searchValue === "?" || searchValue === "help") {
resultBlock.innerHTML = "<h2>Help</h2>Enter a page or directory name.<br>If do not know any, clear the search field to list everything.<br> Using the <code>Enter</code> key would take you to the first page in list, if the list is not empty.<br>Alternatively, use the <code>Up</code> and <code>Down</code> arrow keys to select the page you want and use the <code>Enter</code> key."
return;
}
let results = [];
for (const [i, [title, page]] of pages.entries()) {
ret = fuzzySearch(title, document.querySelector("#search").value);
for (const [i, page] of pages.entries()) {
ret = fuzzySearch(page.title, searchValue);
if (ret === null)
continue;
results.push([ret, page]);
results.push({formatted: ret.formatted, link: page.link, score: ret.score});
}
results.sort((x, y) => {return x[0].second - y[0].second});
results.sort((x, y) => {return x.score - y.score});
let output = "";
for (const [hfRet, rlink] of results) {
output += `<a class="hyperlink" href="${rlink}"><div class="name">${hfRet.first}</div><div class="link">${rlink}</div></a>`;
resultBlock.innerHTML = "";
for (const res of results) {
linkBlock = document.createElement("a");
linkBlock.classList.add("hyperlink");
linkBlock.href = res.link;
linkBlock.innerHTML = `<div class="name">${res.formatted}</div><div class="link">${res.link}</div>`;
resultBlock.appendChild(linkBlock);
}
if (output == "")
output = "No matches found."
document.querySelector("#results").innerHTML = output;
if (results.length <= 0)
resultBlock.innerHTML = "Unknown command or no matching pages found."
}
);
document.body.addEventListener("keyup", (e) => {
if (e.code === "ArrowDown" || e.code === "ArrowUp") {
if (resultBlock.childNodes === null)
return;
resultNodes = resultBlock.childNodes;
if (resultNodes.length <= 1)
return;
let currNode = document.activeElement;
if (searchField === currNode) {
if (e.code === "ArrowDown")
resultNodes[0].focus();
else
resultNodes[resultNodes.length - 1].focus();
return;
}
if (Array.from(resultNodes).indexOf(currNode) < 0)
return;
if (e.code === "ArrowDown")
if (currNode.nextElementSibling === null)
searchField.focus();
else
currNode.nextElementSibling.focus();
else if (e.code === "ArrowUp")
if (currNode.previousElementSibling === null)
searchField.focus();
else
currNode.previousElementSibling.focus();
return;
}
});
}
function fuzzySearch(list, input) {
let search = input.replace(/\s/g, "");
function fuzzySearch(findIn, find) {
let search = find.replace(/\s/g, "");
search = search.toLowerCase();
let tokens = list.split('');
let tokens = findIn.split('');
let pc = 0;
let score = 0;
for (const [i, ch] of tokens.entries()) {
if (ch.toLowerCase() == search[pc]) {
if (ch.toLowerCase() === search[pc]) {
score += i - pc;
tokens[i] = `<span class="highlight">${ch}</span>`;
pc++;
@@ -92,8 +131,9 @@ function fuzzySearch(list, input) {
return null;
}
}
if (search.length != pc)
return null;
if (search.length === pc)
return {formatted: tokens.join(''), score: (score / search.length)};
return {first: tokens.join(''), second: (score / search.length)};
return null;
}