iota-ternary/dist/trits-to-trytes/version-1.js

Fast utility functions for conversion between trytes, trits and bytes

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const NUMBERS_TO_TRYTES = {
    [0]: "9",
    [1]: "A",
    [2]: "B",
    [3]: "C",
    [4]: "D",
    [5]: "E",
    [6]: "F",
    [7]: "G",
    [8]: "H",
    [9]: "I",
    [10]: "J",
    [11]: "K",
    [12]: "L",
    [13]: "M",
    [-13]: "N",
    [-12]: "O",
    [-11]: "P",
    [-10]: "Q",
    [-9]: "R",
    [-8]: "S",
    [-7]: "T",
    [-6]: "U",
    [-5]: "V",
    [-4]: "W",
    [-3]: "X",
    [-2]: "Y",
    [-1]: "Z",
};
function tritsToTrytes(trits) {
    var i, j, m, v;
    const trytesSize = Math.ceil(trits.length / 3);
    const tritsSize = trytesSize * 3;
    const trytesArray = new Array(trytesSize);
    for (i = 0, j = 0, v = 0; i < tritsSize; ++i) {
        m = i % 3;
        v += (trits[i] || 0) * (3 ** m);
        if (m === 2) {
            trytesArray[j++] = NUMBERS_TO_TRYTES[v];
            v = 0;
        }
    }
    return trytesArray.join('');
}
exports.tritsToTrytes = tritsToTrytes;