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'use strict';
/* global document XMLHttpRequest */
document.addEventListener('DOMContentLoaded', () => {
const httpRequest = new XMLHttpRequest();
httpRequest.onreadystatechange = () => {
if (httpRequest.readyState === 4 && httpRequest.status === 200) {
const response = httpRequest.responseText;
const data = JSON.parse(response);
document.getElementById('tree').appendChild(addDirectory(data));
Array.from(document.getElementsByTagName('a')).forEach(a => {
a.onclick = (function (e) {
e.preventDefault();
e.stopPropagation();
const setMd = new XMLHttpRequest();
setMd.onreadystatechange = () => {
if (setMd.readyState === 4 && setMd.status === 200) {
document.getElementById('md').innerHTML = setMd.responseText;
}
};
setMd.open('GET', a.href);
setMd.send();
});
});
Array.from(document.getElementsByClassName('directory')).forEach(dir => {
dir.querySelectorAll('ul').forEach(ul => {
ul.style.display = 'none';
});
dir.onclick = (e => {
e.stopPropagation();
dir.querySelectorAll('ul').forEach(ul => {
ul.style.display = ul.style.display === 'none' ? 'block' : 'none';
});
});
});
}
};
httpRequest.open('GET', '/data');
httpRequest.send();
});
function addDirectory(data) {
const ul = document.createElement('ul');
data.children.forEach(item => {
const li = document.createElement('li');
const text = document.createTextNode(item.name);
if (item.type === 'file') {
const a = document.createElement('a');
a.appendChild(text);
a.href = item.path;
li.appendChild(a);
li.classList.add('file');
} else {
li.appendChild(text);
li.tabIndex = 0;
li.appendChild(addDirectory(item));
li.classList.add('directory');
}
ul.appendChild(li);
});
return ul;
}
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