tetris-fumen/lib/comments.js

Fumen parser for tetris

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createCommentParser = void 0;
var COMMENT_TABLE = ' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~';
var MAX_COMMENT_CHAR_VALUE = COMMENT_TABLE.length + 1;
var createCommentParser = function () {
    return {
        decode: function (v) {
            var str = '';
            var value = v;
            for (var count = 0; count < 4; count += 1) {
                var index = value % MAX_COMMENT_CHAR_VALUE;
                str += COMMENT_TABLE[index];
                value = Math.floor(value / MAX_COMMENT_CHAR_VALUE);
            }
            return str;
        },
        encode: function (ch, count) {
            return COMMENT_TABLE.indexOf(ch) * Math.pow(MAX_COMMENT_CHAR_VALUE, count);
        },
    };
};
exports.createCommentParser = createCommentParser;