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https://github.com/0x5eal/rbxts-pako.git
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5f38868ddb
Avoid automated semicolon insertion and made semicolons consistent with the rest of the file.
105 lines
2.5 KiB
HTML
105 lines
2.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<meta charset="UTF-8">
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<script src="https://cdn.jsdelivr.net/pako/1.0.3/pako.min.js"></script>
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<script>
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'use strict';
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var pako = window.pako;
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// In browser
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// Initial object //////////////////////////////////////////////////////////////
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var obj = new Array(10);
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for (var i = 0; i < obj.length; i++) {
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obj[i] = { foo: 'bar', baz: 'БАТ' };
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}
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// Convert /////////////////////////////////////////////////////////////////////
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var str = JSON.stringify(obj);
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//
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// Now `str` is standard utf16 (16-bit) string. But we need 8-bit data
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//
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// Let's reencode to utf8
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// This method is dirty, but simple and ok for example.
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var data = unescape(encodeURIComponent(str));
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// Compress ////////////////////////////////////////////////////////////////////
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//
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// After compression we have binary data (typed array here).
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//
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// `XMLHttpRequest.send` accepts typed arrays in modern browsers.
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// For ancient ones - more work needed.
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//
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var resultAsUint8Array = pako.deflate(data);
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var resultAsBinString = pako.deflate(data, { to: 'string' });
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// Send data to server
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//
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// Use multipart/form-data:
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//
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// - small overhead
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// - well known format, easy to process anywhere
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//
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/////////////////////////////////////////////////////////
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function sendModern() {
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var xhr = new XMLHttpRequest;
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console.log('Sending data in modern browsers...');
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xhr.open('POST', 'http://localhost:8000/', true);
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var formData = new FormData(document.forms.person);
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var blob = new Blob([ resultAsUint8Array ], { type: 'application/octet-stream'});
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formData.append('binson', blob);
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xhr.send(formData);
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setTimeout(sendModern, 5000);
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}
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function sendAncient() {
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var xhr = new XMLHttpRequest;
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console.log('Sending data in ancient browsers...');
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// Emulate form body. But since we can send intact only 7-bit
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// characters, wrap binary data to base64. That will add 30% of size.
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var boundary = '----' + String(Math.random()).slice(2);
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var data = '';
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data += '--' + boundary + '\r\n';
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data += 'Content-Disposition: form-data; name="binson"; filename="blob"\r\n';
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data += 'Content-Type: application/octet-stream\r\n';
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data += 'Content-Transfer-Encoding: base64\r\n';
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data += '\r\n';
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data += btoa(resultAsBinString) + '\r\n';
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data += '--' + boundary + '--\r\n';
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xhr.open('POST', 'http://localhost:8000/');
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xhr.setRequestHeader('Content-Type', 'multipart/form-data; boundary=' + boundary);
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xhr.send(data);
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setTimeout(sendAncient, 5000);
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}
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sendModern();
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sendAncient();
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</script>
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</html>
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<body>
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Sending objects to server, run server code to see result.
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</body>
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