node-utils/shell/index.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.spawn = exports.exec = void 0;
var child_process_1 = require("child_process");
var child_process_2 = require("child_process");
var MAX_BUFFER = 10 * Math.pow(2, 20);
function exec(command, stdout, stderr) {
    return new Promise(function (resolve, reject) {
        var stdoutbuf = "";
        var stderrbuf = "";
        // EXEC CHILD PROCESS
        var p = child_process_1.exec(command, { maxBuffer: MAX_BUFFER }, function (err, out) {
            if (err)
                return reject(err);
            if (stdoutbuf.length > 0 && typeof stdout === 'function')
                stdout(stdoutbuf);
            if (stderrbuf.length > 0 && typeof stderr === 'function')
                stderr(stderrbuf);
            resolve(out);
        });
        // PIPE STDOUT
        if (typeof stdout === 'function') {
            p.stdout.on("data", function (chunk) {
                stdoutbuf += chunk;
                var i = -1;
                while ((i = stdoutbuf.indexOf('\n')) >= 0) {
                    var line = stdoutbuf.substring(0, i);
                    stdoutbuf = stdoutbuf.substring(i + 1);
                    if (typeof stdout === 'function') {
                        stdout(line);
                    }
                }
            });
        }
        else if (typeof stdout !== 'undefined') {
            p.stdout.pipe(stdout);
        }
        // PIPE STDERR
        if (typeof stderr === 'function') {
            p.stderr.on("data", function (chunk) {
                stderrbuf += chunk;
                var i = -1;
                while ((i = stderrbuf.indexOf('\n')) >= 0) {
                    var line = stderrbuf.substring(0, i);
                    stderrbuf = stderrbuf.substring(i + 1);
                    if (typeof stderr === 'function') {
                        stderr(line);
                    }
                }
            });
        }
        else if (typeof stderr !== 'undefined') {
            p.stderr.pipe(stderr);
        }
    });
}
exports.exec = exec;
function spawn(command, args, stdout, stderr) {
    return new Promise(function (resolve, reject) {
        try {
            var p = child_process_2.spawn(command, args);
            p.stdout.pipe(stdout);
            p.stderr.pipe(stderr);
            p.on('close', function (code, sig) {
                if (!code)
                    resolve();
                else
                    reject();
            });
            p.on('error', reject);
            p.on('exit', function (code, sig) {
                if (!code)
                    resolve();
                else
                    reject();
            });
        }
        catch (err) {
            console.error(err);
        }
    });
}
exports.spawn = spawn;
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