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lib/runner.js
Maintainability
73.50
Lines of code
75
Difficulty
21.96
Estimated Errors
0.43
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"use strict"; import async from 'async'; import child from 'child_process'; import fs from 'fs'; import { mkdirp } from 'mkdirp'; import p from 'path'; /** * Execute a single command. * * @param {String} command: the command to execute * @param {Object} opts: * - cwd: base directory where the commands should be executed from * - quiet: don't display command output if quiet * - task: Bob task name, used to create output directory * - type: Bob task type name, used to create output directory * - dir: report directory where process output will be written into a file * @param {Function} cb: standard cb(err, result) callback */ function exec(command, opts, cb) { console.log('%s | %s', opts.task.cyan, command); const cproc = child.exec(command, opts, cb), wstream = fs.createWriteStream(p.join(opts.dir, opts.type + '.txt')); cproc.stdout.on('data', (data) => { if (!opts.quiet) { process.stdout.write(data); } wstream.write(data); }); cproc.stderr.on('data', (data) => { if (!opts.quiet) { process.stderr.write(data); } wstream.write(data); }); } /** * Execute multiple commands in series. * * @param {Array} commands: an array of commands, each command contains: * - exec: executable command line, to be executed on shell * - meta: command metadata, task and type * @param {Object} opts: * - cwd: base directory where the commands should be executed from * - tmp: temporary directory where the command output will be written * - quiet: don't display command output if quiet * @param {Function} cb: standard cb(err, result) callback */ function execSeries(commands, opts, cb) { function _exec(command, cb) { const base = command.meta.task == 'clean' ? opts.tmp : opts.cwd; const dir = p.join(base, '.bob', command.meta.task); mkdirp.sync(dir); opts.task = command.meta.task; opts.type = command.meta.type; opts.dir = dir; exec(command.exec, opts, cb); } async.eachSeries(commands, _exec, cb); } const exports = { exec: exec, execSeries: execSeries }; export { exports as default };