Suggestion Backlog Slog, 8/29/2016

[RyanCavanaugh]

• Configuration Inheritance #9876 Configuration inheritance - pick a release vehicle
• Typeof comparison expression should check right hand side value #9506 typeof should return "string" | "number" | "boolean" ...
• Inherited typing for class property initializers #10570 Inherited typing for class property initializers
• Private methods in d.ts files should be declared with rest parameters to make them more stable #10438 Parameter list for private members in generated .d.ts files
• Structural Subtyping with Control flow based type analysis #10065 Control flow analysis doesn't extend to reference usage
• Protected nested classes #10017 Protected inner classes
• Consider allowing users to check for uninitialized values #9568 What should be the actual type of let x: string; ?
• Suggestion: put prototype in var for better minification #9638 Cache prototype in class method initialization
• Using intersection with unions #8896 Produce T | undefined for non-omnipresent properties in union types
• Strict null checks and flow control of returned functions #9263 Infer constness of parameters (already done?)

[RyanCavanaugh]

• Configuration Inheritance #9876 Configuration inheritance - pick a release vehicle
  • 2.1
• Typeof comparison expression should check right hand side value #9506 typeof should return "string" | "number" | "boolean" ...
  • 👎 until the ES spec explicitly disallows
  • Add a TSLint rule
• Inherited typing for class property initializers #10570 Inherited typing for class property initializers
  • See if we can just flat-out apply the parent's type to an initialized field without a type annotation
  • Find out what this breaks and understand why
• Private methods in d.ts files should be declared with rest parameters to make them more stable #10438 Parameter list for private members in generated .d.ts files
  • 👍
  • Just emit private method;
• Structural Subtyping with Control flow based type analysis #10065 Control flow analysis doesn't extend to reference usage
  • Sure would be nice
  • Would be a lot of work to compute new types for objects and their containers in situ
  • Stretch goal but a design limitation for now
• Protected nested classes #10017 Protected inner classes
  • AMF
• Consider allowing users to check for uninitialized values #9568 What should be the actual type of let x: string; ?
  • Working as Intended, +1 to yortus's comments
  • What about [Strict null checks] Hoisted variables should be usable without assignment #10940?
    • Is there a difference between var and let here?
    • Close as WIA
• Suggestion: put prototype in var for better minification #9638 Cache prototype in class method initialization
  • Need to avoid name collisions
  • 👍 Accepting PRs
• Using intersection with unions #8896 Produce T | undefined for non-omnipresent properties in union types
  • Unsound, but no more unsound than we already are
  • Technically sound thing to do is to stub in undefined properties
  • Discuss again later
• Partial Types (Optionalized Properties for Existing Types) #4889 Optionalize
  • New kinds of types are expensive to implement
  • subset operator would imply sealedness
  • What rules apply to this?
    • How does it apply to generics? Union types? Intersection types?
  • Try to work through the rules, especially in union/intersection locations and uninstantiated generics

[mhegazy]

noticed that issues have not been updated yet. reopening.

[RyanCavanaugh]

Flushed notes