Files
2022-08-14 16:36:49 +02:00

97 lines
3.0 KiB
JavaScript

(function() {
"use strict"
/* global LZString */
let lzStringPromise;
function loadLzString() {
if (!lzStringPromise) {
lzStringPromise = new Promise(function (resolve, reject) {
const script = document.createElement('script')
script.src = 'https://unpkg.com/lz-string@1.4.4/libs/lz-string.min.js';
document.head.append(script);
script.addEventListener('load', resolve);
script.addEventListener('error', reject);
});
}
return lzStringPromise;
}
function compress(json) {
return LZString.compressToBase64(JSON.stringify(json))
.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/=+$/, '');
}
function fetchResource(resource) {
return new Promise(function (resolve, reject) {
const isImage = /\.(png|jpe?g|gif|tiff?|svg|kmz)$/.test(resource);
if (isImage) {
resolve ({
isBinary: true,
content: new URL(resource, window.location.href).href
});
} else {
const xhr = new XMLHttpRequest();
xhr.open('GET', resource);
xhr.responseType = 'text';
xhr.addEventListener('load', function () {
resolve ({
content: xhr.response
});
});
xhr.addEventListener('error', reject);
xhr.send();
}
})
}
const codepenButton = document.getElementById('codepen-button');
if (codepenButton) {
const form = document.getElementById('codepen-form');
codepenButton.href = form.action;
codepenButton.addEventListener('click', function (event) {
event.preventDefault();
const html = document.getElementById('example-html-source').innerText;
const js = document.getElementById('example-js-source').innerText;
const workerContainer = document.getElementById('example-worker-source');
const worker = workerContainer ? workerContainer.innerText : undefined;
const pkgJson = document.getElementById('example-pkg-source').innerText;
const unique = new Set();
const localResources = (js.match(/'(?:\.\/)?(?:data|resources)\/[^']*'/g) || [])
.map(function (f) {
return f.replace(/^'(?:\.\/)?|'$/g, '');
})
.filter(function (f) {
return unique.has(f) ? false : unique.add(f);
});
const promises = localResources.map(function (resource) {
return fetchResource(resource);
});
promises.push(loadLzString());
Promise.all(promises).then(
function (results) {
const files = {
'index.html': {content: html},
'main.js': {content: js},
'package.json': {content: pkgJson},
'sandbox.config.json': {content: '{"template": "parcel"}'}
};
if (worker) {
files['worker.js'] = {content: worker}
}
for (let i = 0; i < localResources.length; i++) {
files[localResources[i]] = results[i];
}
form.parameters.value = compress({files: files});
form.submit();
}
);
});
}
})();