1let copyElement = document.getElementById('copy');
 2const flask = new CodeFlask('#editor', { language: 'javascript', lineNumbers: true, defaultTheme: false });
 3const lzma = new LZMA('lzma.min.js');
 4Prism.plugins.autoloader.languages_path = 'https://cdn.jsdelivr.net/npm/prismjs@1.14.0/components/';
 5let select;
 6
 7function init() {
 8    initLangSelector();
 9    initCode();
10    const clipboard = new ClipboardJS('.clipboard');
11    clipboard.on('success', function() {
12        copyElement.style.display = 'none';
13    });
14}
15
16function initLangSelector() {
17    select = new SlimSelect({
18        select: '#language',
19        data: Object.entries(languages).map(([value, text]) => ({ text, value })),
20        showContent: 'up',
21        onChange: e => {
22            flask.updateLanguage(e.value);
23        }
24    });
25
26    const urlParams = new URLSearchParams(window.location.search);
27    select.set(Object.keys(languages).indexOf(urlParams.get('lang')) === -1 ? 'javascript' : urlParams.get('lang'));
28}
29
30function initCode() {
31    const base64 = location.hash.substr(1);
32    if (base64.length === 0) {
33        return;
34    }
35
36    if (!fetch) {
37        alert('Your browser does not support this page.  Sorry! :(');
38        return;
39    }
40
41    fetch('data:application/octet-stream;base64,' + base64)
42        .then(r => r.blob())
43        .then(function(blob) {
44            const reader = new FileReader();
45            reader.onload = function() {
46                lzma.decompress(Array.from(new Uint8Array(reader.result)), function(plaintext, error) {
47                    if (error) {
48                        alert('Failed to decompress data: ' + error);
49                        return;
50                    }
51                    flask.updateCode(plaintext);
52                });
53            };
54            reader.readAsArrayBuffer(blob);
55        });
56}
57
58function generateLink() {
59    const code = flask.getCode();
60    lzma.compress(code, 1, function(compressed, error) {
61        if (error) {
62            alert('Failed to compress data: ' + error);
63            return;
64        }
65        const reader = new FileReader();
66        reader.onload = function() {
67            const base64 = reader.result.substr(reader.result.indexOf(',') + 1);
68            const url = `${location.protocol}//${location.host}${
69                location.pathname
70            }?lang=${select.selected()}#${base64}`;
71            const linkInput = document.getElementById('copy-link');
72            linkInput.value = url;
73            linkInput.setSelectionRange(0, url.length);
74            copyElement.style.display = 'flex';
75        };
76        reader.readAsDataURL(new Blob([new Uint8Array(compressed)]));
77    });
78}
79
80init();