@hugoalh/djb2a/cli.js

A CLI and module to get the non-cryptographic hash of the data with algorithm DJB2a.

#!/usr/bin/env node
import "./_dnt.polyfills.js";
import * as dntShim from "./_dnt.shims.js";
var __addDisposableResource = (this && this.__addDisposableResource) || function (env, value, async) {
    if (value !== null && value !== void 0) {
        if (typeof value !== "object" && typeof value !== "function") throw new TypeError("Object expected.");
        var dispose, inner;
        if (async) {
            if (!Symbol.asyncDispose) throw new TypeError("Symbol.asyncDispose is not defined.");
            dispose = value[Symbol.asyncDispose];
        }
        if (dispose === void 0) {
            if (!Symbol.dispose) throw new TypeError("Symbol.dispose is not defined.");
            dispose = value[Symbol.dispose];
            if (async) inner = dispose;
        }
        if (typeof dispose !== "function") throw new TypeError("Object not disposable.");
        if (inner) dispose = function() { try { inner.call(this); } catch (e) { return Promise.reject(e); } };
        env.stack.push({ value: value, dispose: dispose, async: async });
    }
    else if (async) {
        env.stack.push({ async: true });
    }
    return value;
};
var __disposeResources = (this && this.__disposeResources) || (function (SuppressedError) {
    return function (env) {
        function fail(e) {
            env.error = env.hasError ? new SuppressedError(e, env.error, "An error was suppressed during disposal.") : e;
            env.hasError = true;
        }
        var r, s = 0;
        function next() {
            while (r = env.stack.pop()) {
                try {
                    if (!r.async && s === 1) return s = 0, env.stack.push(r), Promise.resolve().then(next);
                    if (r.dispose) {
                        var result = r.dispose.call(r.value);
                        if (r.async) return s |= 2, Promise.resolve(result).then(next, function(e) { fail(e); return next(); });
                    }
                    else s |= 1;
                }
                catch (e) {
                    fail(e);
                }
            }
            if (s === 1) return env.hasError ? Promise.reject(env.error) : Promise.resolve();
            if (env.hasError) throw env.error;
        }
        return next();
    };
})(typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
    var e = new Error(message);
    return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
});
import { parseArgs } from "./deps/jsr.io/@std/cli/1.0.10/parse_args.js";
import { DJB2a } from "./mod.js";
if (!(import.meta.url === ("file:///" + process.argv[1].replace(/\\/g, "/")).replace(/\/{3,}/, "///"))) {
    throw new Error(`This script is for command line usage only!`);
}
const args = parseArgs(dntShim.Deno.args, {
    boolean: [
        "file",
        "stdin"
    ]
});
const fromFile = args.file;
const fromStdin = args.stdin;
const argsValues = args._.map((value) => {
    return String(value);
});
if (fromFile && fromStdin) {
    throw new SyntaxError(`Unable to use the sources of file and stdin together!`);
}
if (fromFile) {
    const env_1 = { stack: [], error: void 0, hasError: false };
    try {
        if (argsValues.length === 0) {
            throw new SyntaxError(`File path is not defined!`);
        }
        if (argsValues.length !== 1) {
            throw new SyntaxError(`Too many arguments! Expect: 1; Current: ${argsValues.length}.`);
        }
        const file = __addDisposableResource(env_1, await dntShim.Deno.open(argsValues[0]), false);
        console.log((await DJB2a.fromStream(file.readable)).hashHexPadding());
    }
    catch (e_1) {
        env_1.error = e_1;
        env_1.hasError = true;
    }
    finally {
        __disposeResources(env_1);
    }
}
else if (fromStdin) {
    if (argsValues.length !== 0) {
        throw new SyntaxError(`Too many arguments! Expect: 0; Current: ${argsValues.length}.`);
    }
    let data = Uint8Array.from([]);
    for await (const chunk of dntShim.Deno.stdin.readable) {
        data = Uint8Array.from([...data, ...chunk]);
    }
    console.log(new DJB2a(new TextDecoder().decode(data).replace(/\r?\n$/, "")).hashHexPadding());
}
else {
    if (argsValues.length === 0) {
        throw new SyntaxError(`Data is not defined!`);
    }
    if (argsValues.length !== 1) {
        throw new SyntaxError(`Too many arguments! Expect: 1; Current: ${argsValues.length}.`);
    }
    console.log(new DJB2a(argsValues[0]).hashHexPadding());
}