fix(core): update

ts/manager.nodejs/index.ts

@@ -0,0 +1,83 @@
+import * as plugins from '../npmci.plugins';
+import * as paths from '../npmci.paths';
+
+import { logger } from '../npmci.logging';
+import { bash, bashNoError, nvmAvailable } from '../npmci.bash';
+import { Npmci } from '../npmci.classes.npmci';
+
+export class NpmciNodeJsManager {
+  public npmciRef: Npmci;
+
+  constructor(npmciRefArg: Npmci) {
+    this.npmciRef = npmciRefArg;
+  }
+
+  /**
+   * handle cli input
+   * @param argvArg
+   */
+  public async handleCli(argvArg) {
+    if (argvArg._.length >= 3) {
+      const action: string = argvArg._[1];
+      switch (action) {
+        case 'install':
+          await this.install(argvArg._[2]);
+          break;
+        default:
+          logger.log('error', `>>npmci node ...<< action >>${action}<< not supported`);
+          process.exit(1);
+      }
+    } else {
+      logger.log(
+        'error',
+        `>>npmci node ...<< cli arguments invalid... Please read the documentation.`
+      );
+      process.exit(1);
+    }
+  }
+
+  /**
+   * Install a specific version of node
+   * @param versionArg
+   */
+  public async install(versionArg) {
+    logger.log('info', `now installing node version ${versionArg}`);
+    let version: string;
+    if (versionArg === 'stable') {
+      version = '12';
+    } else if (versionArg === 'lts') {
+      version = '10';
+    } else if (versionArg === 'legacy') {
+      version = '8';
+    } else {
+      version = versionArg;
+    }
+    if (await nvmAvailable.promise) {
+      await bash(`nvm install ${version} && nvm alias default ${version}`);
+      logger.log('success', `Node version ${version} successfully installed!`);
+    } else {
+      logger.log('warn', 'Nvm not in path so staying at installed node version!');
+    }
+    logger.log('info', 'now installing latest npm version');
+    await bash('npm install -g npm');
+    await bash('node -v');
+    await bash('npm -v');
+    await bash(`npm config set cache ${paths.NpmciCacheDir}  --global `);
+
+    // lets look for further config
+    const config = await this.npmciRef.npmciConfig.getConfig();
+    logger.log('info', 'Now checking for needed global npm tools...');
+    for (const npmTool of config.npmGlobalTools) {
+      logger.log('info', `Checking for global "${npmTool}"`);
+      const whichOutput: string = await bashNoError(`which ${npmTool}`);
+      const toolAvailable: boolean = !(/not\sfound/.test(whichOutput) || whichOutput === '');
+      if (toolAvailable) {
+        logger.log('info', `Tool ${npmTool} is available`);
+      } else {
+        logger.log('info', `globally installing ${npmTool} from npm`);
+        await bash(`npm install ${npmTool} -q -g`);
+      }
+    }
+    logger.log('success', 'all global npm tools specified in npmextra.json are now available!');
+  }
+}