1 document.addEventListener('DOMContentLoaded', () => {
2 var wpinput = document.getElementById('wptitle');
3 var wpbutton = wpinput.parentNode.appendChild(document.createElement('button'));
4 wpbutton.type = 'button';
5 wpbutton.append('Copy');
6 wpbutton.onclick = () => {
7 let wptitle = wpinput.value || document.getElementById('form').value;
8 let wplang = document.getElementById('lang').value.substr(0, 2); // crude iso-639-3→2
9 let wpapi = `https://${wplang}.wikipedia.org/w/api.php`;
10 let wppage = wpapi+'?action=parse&format=json&origin=*&prop=text&page='+wptitle;
11 fetch(wppage).then(res => res.json()).then(json => {
12 if (json.error) throw `error returned: ${json.error.info}`;
13 wpinput.value = json.parse.title;
14 let imginput = document.getElementById('source');
15 if (imginput.value) return;
16 let wpimages = json.parse.text['*'].match(/<img\s[^>]+>/g);
17 let wpselect = wpinput.parentNode.appendChild(document.createElement('ul'));
18 wpselect.className = 'popup';
19 wpimages.forEach(img => {
20 let selectitem = wpselect.appendChild(document.createElement('li'));
21 selectitem.insertAdjacentHTML('beforeend', img);
22 selectitem.onclick = e => {
23 let imgsrc = e.target.src
24 .replace(/^(?=\/\/)/, 'https:')
25 .replace(/\/thumb(\/.+)\/[^\/]+$/, '$1');
26 imginput.value = imgsrc;
31 }).catch(error => alert(error));
35 let imgpreview = document.getElementById('sourcepreview');
37 let imginput = document.getElementById('source');
38 imginput.parentNode.parentNode.append(imgpreview); // separate row
39 let previewbutton = imginput.parentNode.appendChild(document.createElement('button'));
40 previewbutton.type = 'button';
41 previewbutton.append('View');
42 previewbutton.onclick = () => {
43 previewbutton.childNodes[0].nodeValue = imgpreview.hidden ? 'Hide' : 'View';
44 imgpreview.hidden = !imgpreview.hidden;