Tutorial on how to build a LB4 app using plain JavaScript

[dhmlau]

Description / Steps to reproduce / Feature proposal

The recommended way to build LoopBack 4 applications is to use TypeScript. Given that there are a lot more JavaScript developers out there than the TypeScript counterpart, we should look into how to build a LB4 app using plain JavaScript.

• is it possible? If so, document it and create a tutorial
  • e.g. JavaScript does not have a notion of decorators. How can someone achieve the same thing with JavaScript, if possible?
• How much is it easier to use TypeScript than to use JavaScript?

cc @raymondfeng @bajtos

Acceptance Criteria

• Tutorial in docs (maybe under howto section) on how to create a LB4 app using JavaScript
• Blog post - cover some of the points in the spike finding. Some suggestions:
  • what we can possibly do in the future to make this user experience better, if any
  • what are the pain points of using JS or what can't be done in JS, and guide users that the best way to do it is through TypeScript.

[bajtos]

@dhmlau is this story a part of or a duplicate of the epic Plain JavaScript experience #560?

[dhmlau]

@bajtos , sorry about the late reply. I'm thinking this story is part of the Plain JavaScript experience epic. After the spike #1978 , we should create a tutorial (i.e. this story) to show users how to build LB4 using JS.

[bajtos]

I'm thinking this story is part of the Plain JavaScript experience epic. After the spike #1978 , we should create a tutorial (i.e. this story) to show users how to build LB4 using JS.

Sounds good, thank you for clarification.

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