debug.ts

import { flags, SfdxCommand } from '@salesforce/command';
import userIdLookup = require('../../../../shared/userIdLookup');
import { QueryResult } from './../../../../shared/typeDefs';

export default class UserLightningDebug extends SfdxCommand {

  public static description = 'set the user to debug mode';

  public static examples = [
    `sfdx shane:user:lightning:debug
    // puts the default user in lightning debug mode
    `,
    `sfdx shane:user:lightning:debug -g Sarah -l McLaughlin
    // puts the named user in lightning debug mode
    `
  ];

  protected static flagsConfig = {
    firstname: flags.string({char: 'g', description: 'first (given) name of the user--keeping -f for file for consistency' }),
    lastname: flags.string({char: 'l', description: 'last name of the user' })
  };

  protected static requiresUsername = true;

  public async run(): Promise<any> { // tslint:disable-line:no-any

    // this.org is guaranteed because requiresUsername=true, as opposed to supportsUsername
    const conn = this.org.getConnection();
    let userId;

    if (this.flags.lastname && this.flags.firstname) {
      const user = await userIdLookup.getUserId(conn, this.flags.lastname, this.flags.firstname);
      userId = user.Id;
    } else {
      const users = <QueryResult> await conn.query(`select id from user where username = '${this.org.getUsername()}'`);
      userId = users.records[0].Id;
    }
    const updateResult = await conn.sobject('User').update({
      Id: userId,
      UserPreferencesUserDebugModePref: true
    });

    this.ux.log(`added lightning debug mode on user ${userId}`);
    return updateResult;
  }
}