microsoft / microsoft/reflect-metadata

Types Not Reflecting

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Dominant language
TypeScript
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Description

Using 2 different JSON Serialization libraries I am having an issue regarding type order with Angular 4:

The 2 cases are documented here:
https://github.com/shakilsiraj/json-object-mapper/issues/9
https://github.com/jf3096/json-typescript-mapper/issues/19

The main issue seems to be the types must be defined in a particular order in order to be recognized. Is this ok behavior or is this a bug of the library. As I use the same object multiple places and sometimes have them nested (the app I am working on needs it) What would be the proper way of including them.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the two type-ordering cases linked in the issue and compare them with the reflect-metadata behavior used by the Angular 4 application. Determine whether declaration order is expected or a library defect; done means documenting the proper usage or identifying a concrete change needed.

Written by the indexing model from the issue text.

Assessment

Tech stack
angular, typescript
Domain
tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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