Add support for running a command within a project directory

src/commands/cmd.js

@@ -0,0 +1,113 @@
+const path = require('path');
+const ora = require('ora');
+const { terminal } = require('terminal-kit');
+const { execSync } = require('child_process');
+
+const { findProjectPath, findAllProjectPaths } = require('./../utils/projectpaths');
+const { getPackage } = require('./../utils/get-package');
+const dirsExist = require('../utils/dirs-exist');
+
+
+const spinner = ora();
+
+
+exports.command = 'cmd [projects] [options]';
+exports.aliases = 'run [projects] [options]';
+exports.desc = 'Run a command within each project';
+exports.builder = (yargs) => {
+  yargs.option('projects', {
+    describe: 'Comma separated list of projects to run the command on.',
+    type: 'string',
+    default: '',
+  });
+
+  yargs.option('continueOnFail', {
+    alias: 'F',
+    describe: 'Continue running the commands even on failure',
+    type: 'boolean',
+  });
+
+  yargs.option('quiet', {
+    alias: 'q',
+    describe: 'Hide the output of stdout',
+    boolean: true,
+    type: 'boolean',
+  })
+};
+
+exports.handler = ({
+  projects = '',
+  continueOnFail,
+  quiet,
+  _: parts,
+  $0,
+}) => {
+  const projectsList = projects.split(',').filter((item) => item.length > 0);
+  const hasTargetDirs = dirsExist(targetDirs);
+  const isAllProjects = hasTargetDirs && !projects;
+
+  parts.shift();
+
+  if (parts.length === 0) {
+    terminal.red().bold('Error: ')
+      .defaultColor('command cannot be empty\n');
+    terminal.yellow('Usage: ')
+      .defaultColor(`${$0} cmd [projects] [opts] -- <command>\n`);
+    process.exit(1);
+  }
+
+  const command = parts.join(' ');
+
+  let paths = [];
+
+  try {
+    if (projectsList.length === 0 && !isAllProjects) {
+      paths.push(path.resolve('./'));
+    } else if (isAllProjects) {
+      paths = findAllProjectPaths(targetDirs);
+    } else {
+      paths = projectsList.map((projectItem) => findProjectPath(projectItem, targetDirs));
+    }
+  } catch (e) {
+    terminal.red(e);
+    process.exit(1);
+  }
+
+
+  let packages = [];
+
+  try {
+    packages = paths.map((item) => getPackage(item, false)).filter((item) => item);
+  } catch (e) {
+    terminal.red(e);
+    process.exit(1);
+  }
+
+  let fails = 0;
+  spinner.clear();
+  spinner.start(`Running command '${command}'\n`);
+  packages.forEach((pkg) => {
+
+    try {
+      execSync(command, { cwd: pkg.path, stdio: quiet ? 'pipe' : 'inherit' });
+      spinner.succeed();
+    } catch (err) {
+      spinner.fail();
+      terminal.red(err.stderr);
+      terminal('\n\n');
+
+      if (!continueOnFail) {
+        process.exit(1);
+      }
+
+      fails += 1;
+    }
+  });
+
+  if (fails > 0) {
+    terminal.red('Some commands failed to execute\n');
+    process.exit(1);
+  }
+
+  process.exit(0);
+}