Class Encoding

Convert arbitrary data to and from a compact string representation. Push data into the encoding one field at a time and convert it to a string. Later you can pull it back out in reverse order. The string is as compact as possible because it memorizes only your data, and does not need to capture field names.

const hexAlphabet = '0123456789abcdef';
const options = ['disagree', 'neutral', 'agree'];

// encode some survey answers into a hex string
encoding = new Encoding();
encoding.pushInteger(5, 1, 5); // encode 5, where it could be between 1-5
encoding.pushBoolean(true);
encoding.pushOption('agree', options);
const hexString = encoding.popStringEncoding(hexAlphabet);
expect(hexString).toBe('1d');

// later decode the string back into the survey answers
encoding = new Encoding();
encoding.setStringEncoding(hexString, hexAlphabet);
expect(encoding.popOption(options)).toBe('agree');
expect(encoding.popBoolean()).toBe(true);
expect(encoding.popInteger(1, 5)).toBe(5);
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