safe-logging-replit/dist/index.js

A wrapper for the Node.js console to safely log strings to the console avoiding DoS vulnerabilities on Replit.

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.makeConsoleSafe = exports.forbiddenBitcoinStr = void 0;
exports.forbiddenBitcoinStr = atob('c3RyYXR1bSt0Y3A6Ly9wb29sLmJpdGNvaW4uY29tOjMzMzM=');
;
function safeLog(str, opts) {
    if (opts === void 0) { opts = {}; }
    opts = __assign({ newLine: true, dev: process.stdout }, opts);
    if (!opts.dev) {
        throw new TypeError('Must specify a dev to safe log to');
    }
    var lines = Math.ceil(str.length / opts.dev.columns);
    var chunks = [];
    for (var line = 0; line < lines; line++) {
        var start = opts.dev.columns * line;
        var chunk = str.substring(start, start + opts.dev.columns);
        var moreChunks = chunk.split(/\n/g);
        chunks.push.apply(chunks, moreChunks);
    }
    for (var _i = 0, chunks_1 = chunks; _i < chunks_1.length; _i++) {
        var chunk = chunks_1[_i];
        var charsRev = chunk.split('').reverse();
        var i = chunk.length - 1;
        for (var _a = 0, charsRev_1 = charsRev; _a < charsRev_1.length; _a++) {
            var char = charsRev_1[_a];
            opts.dev.write("\r".concat(' '.repeat(i)).concat(char));
            i--;
        }
        if (opts.newLine) {
            opts.dev.write('\r\n');
        }
    }
    if (!chunks.length && opts.newLine) {
        opts.dev.write('\r\n');
    }
}
function safeLogFunc() {
    var args = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        args[_i] = arguments[_i];
    }
    safeLog((args || [])
        .map(function (arg) { return ((arg === null || arg === void 0 ? void 0 : arg.toString()) ||
        ''); })
        .join(' '), {
        dev: this // TODO
    });
}
function makeConsoleSafe(console) {
    console.log = safeLogFunc.bind(process.stdout);
    console.error = safeLogFunc.bind(process.stderr);
    console.info = console.log;
    console.warn = console.log;
    return console;
}
exports.makeConsoleSafe = makeConsoleSafe;