system-commands/lib/index.js

Run system commands in Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var util_1 = require("util");
var child_process_1 = require("child_process");
var runCommand = util_1.promisify(child_process_1.exec);
var removeLastNewline = function (str) {
    return str.replace(/\n$/, '');
};
module.exports = function (command, maxBuffer) {
    return command === ''
        ? Promise.resolve('')
        : runCommand(command, maxBuffer === undefined ? undefined : { maxBuffer: maxBuffer }).then(function (_a) {
            var stdout = _a.stdout;
            return removeLastNewline(typeof stdout === 'string' ? stdout : '');
        }).catch(function (error) {
            return Promise.reject(removeLastNewline(error.stderr));
        });
};
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