inthash/script/cli.js

Efficient integer hashing library using Knuth's multiplicative method for Javascript and Typescript, perfect for obfuscating sequential numbers.

#!/usr/bin/env node
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
// deno-lint-ignore-file no-explicit-any
const dntShim = __importStar(require("./_dnt.shims.js"));
const hasher_js_1 = require("./hasher.js");
const isDeno = typeof dntShim.dntGlobalThis.Deno !== "undefined";
const cmd = isDeno ? "deno run jsr:@denostack/inthash/cli" : "npx inthash";
const rawArgs = isDeno
    ? dntShim.dntGlobalThis.Deno.args
    : dntShim.dntGlobalThis.process.argv.slice(2);
const cmdSuffix = rawArgs.join(" ");
const args = parse(rawArgs);
const bit = args.b ?? args.bit ?? args.bits ?? 53;
const options = hasher_js_1.Hasher.generate(bit);
const hasher = new hasher_js_1.Hasher(options);
console.log(JSON.stringify(options, null, "  "));
console.error(`
$ ${cmd}${cmdSuffix ? " " + cmdSuffix : ""} | pbcopy

Now go ahead and paste it into your code! Good luck. :-)

Note: The supported range of integers is from min: 0 to max: ${hasher._max}.
Please make sure your inputs fall within this range.`);
function parse(args) {
    const argv = {};
    for (let i = 0; i < args.length; i++) {
        const arg = args[i];
        let match;
        if ((match = arg.match(/^--(b|bit|bits)=(\d+)/))) {
            const [, key, value] = match;
            argv[key] = +value;
        }
        else if ((match = arg.match(/^--(b|bit|bits)$/))) {
            const [, key] = match;
            const next = args[i + 1];
            if (next &&
                /\d+/.test(next)) {
                argv[key] = +next;
                i++;
            }
        }
        else if ((match = arg.match(/^-b(\d+)/))) {
            argv.b = +match[1];
        }
    }
    return argv;
}