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Refactor: Convert module to ESM

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multipleof4
2025-10-04 14:31:51 -07:00
parent 4f7e0af791
commit a9e595c01f
1 changed files with 40 additions and 0 deletions
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/**
* ZWUS (Zero Width Unicode Standard)
*/
const zwus = {
3: {unifier: "\u{00AD}", 0: "\u{180E}", 1: "\u{200B}", 2: "\u{200D}"},
6: {unifier: "\u{200C}", 0: "\u{200D}", 1: "\u{200F}", 2: "\u{00AD}", 3: "\u{2060}", 4: "\u{200B}", 5: "\u{200E}"},
8: {unifier: "\u{200C}", 0: "\u{200D}", 1: "\u{200F}", 2: "\u{00AD}", 3: "\u{2060}", 4: "\u{200B}", 5: "\u{200E}", 6: "\u{180E}", 7: "\u{FEFF}"},
/**
* Encodes a string into a sequence of zero-width characters.
* @param {string} text - The input text to encode.
* @param {number} base - The numerical base for encoding. Options: 3, 6, 8. Larger the base, the smaller the output, but the more likely the zero width will be detectable by sight.
* @returns {string} The encoded string.
*/
encodeString: (text, base = 3) => Array.from(text, u => u.codePointAt(0).toString(base).split('').map(x => zwus[base][x]).join('')).join(zwus[base].unifier),
/**
* Encodes an array of numbers into a sequence of zero-width characters.
* @param {Array<number>} arr - The array of numbers to encode.
* @param {number} base - The numerical base for encoding. Options: 3, 6, 8. Larger the base, the smaller the output, but the more likely the zero width will be detectable by sight.
* @returns {string} The encoded array.
*/
encodeNumberArray: (arr, base = 3) => arr.map(n => n.toString(base).split('').map(x => zwus[base][x]).join('')).join(zwus[base].unifier),
/**
* Decodes a string of zero-width characters back into the original string.
* NOTE: Decoding accuracy is contingent upon the original encoding base and alphabet.
* @param {string} text - The encoded text to decode.
* @param {number} base - The numerical base for decoding. Must match the base used for encoding.
* @returns {string} The decoded string.
*/
decodeToString: (text, base = 3) => text.split(zwus[base].unifier).map(x => String.fromCodePoint(parseInt(Array.from(x).map(z => Object.keys(zwus[base]).find(k => zwus[base][k] === z)).join(''), base))).join(''),
/**
* Decodes a string of zero-width characters back into the original array of numbers.
* NOTE: Decoding accuracy is contingent upon the original encoding base and alphabet.
* @param {string} text - The encoded text to decode.
* @param {number} base - The numerical base for decoding. Must match the base used for encoding.
* @returns {Array<number>} The decoded array of numbers.
*/
decodeToNumberArray: (text, base = 3) => text.split(zwus[base].unifier).map(x => parseInt(Array.from(x).map(z => Object.keys(zwus[base]).find(k => zwus[base][k] === z)).join(''), base)),
};
export default zwus;