microsoft / microsoft/TypeScript

Compile / edit time pluggable analyzers like C#

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Description

It would be nice to have similar plugabble compile time / editing time analyzer plugins as [introduced in C# in Build 2015, see the video](http://channel9.msdn.com/Events/Build/2015/3-725).

Analyzer is a library that can do additional syntax checks, tag lines as errors / warnings, and are interpreted by language service.

I can imagine one could do similar things with it as Facebook's flow does e.g. own nullable checking just by writing own analyzer. This would be configurable from tsconfig, maybe one could whitelist the files each analyzer works on. This way the nullability check analyzer would only complain about the code I want.

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Research direction

The issue names no files, tests, or entry points to begin with. Start by locating the compiler and language-service extension points, then define the analyzer API, configuration behavior, and diagnostics integration before implementation.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
compilers
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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