Angular Update Guide from 5.0 to 6.0

Question

According to this guide, I have run rxjs-5-to-6-migrate -p src/tsconfig.app.json. It shows below error. I have done all previous steps without an issue. Any clue?

Note: I have removed node_modules folder and run npm i . But no luck yet.

>rxjs-5-to-6-migrate -p src/tsconfig.app.json
Running the automatic migrations. Please, be patient and wait until the execution completes.
module.js:549
    throw err;
    ^

Error: Cannot find module 'typescript'
    at Function.Module._resolveFilename (module.js:547:15)
    at Function.Module._load (module.js:474:25)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (C:\Users\lokuge\AppData\Roaming\npm\node_modules\rxjs-tslint\node_modules\tslint\lib\linter.js:22:10)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
child_process.js:644
    throw err;
    ^

Error: Command failed: "C:\Users\lokuge\AppData\Roaming\npm\node_modules\rxjs-tslint\node_modules\.bin\tslint" -c "C:\Users\lokuge\AppData\Roaming\npm\node_modules\rxjs-tslint\rxjs-5-to-6-migrate.json" -p "src/tsconfig.app.json" --fix
module.js:549
    throw err;
    ^

Error: Cannot find module 'typescript'
    at Function.Module._resolveFilename (module.js:547:15)
    at Function.Module._load (module.js:474:25)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (C:\Users\lokuge\AppData\Roaming\npm\node_modules\rxjs-tslint\node_modules\tslint\lib\linter.js:22:10)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)

    at checkExecSyncError (child_process.js:601:13)
    at Object.execSync (child_process.js:641:13)
    at migrate (C:\Users\lokuge\AppData\Roaming\npm\node_modules\rxjs-tslint\rxjs-5-to-6-migrate.js:18:34)
    at Object.<anonymous> (C:\Users\lokuge\AppData\Roaming\npm\node_modules\rxjs-tslint\rxjs-5-to-6-migrate.js:25:14)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
    at Module.require (module.js:596:17) 

Answer 1

I have found the solution.

npm install -g typescript