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[TS] sample with target: "best common type" problem #247

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bloadvenro opened this issue Nov 15, 2019 · 0 comments · Fixed by #248
Closed

[TS] sample with target: "best common type" problem #247

bloadvenro opened this issue Nov 15, 2019 · 0 comments · Fixed by #248
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typings flow and typescript public type definitions issues

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@bloadvenro
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bloadvenro commented Nov 15, 2019

sample({
  target: {} as Unit<{ a: string; b: string }>,
  source: {} as Unit<{ a: string }>, // should not let such assignment
  //////////////////////////////////////////////////////////////////////////////
  ///////////////// types of props below do not affect anything ////////////////     
  //////////////////////////////////////////////////////////////////////////////
  clock: {} as Unit<any>,
});

sample({
  target: {} as Unit<{ a: string; b: string }>,
  fn: () => ({ a: '' }), // should not let such assignment
  //////////////////////////////////////////////////////////////////////////////
  ///////////////// types of props below do not affect anything ////////////////     
  //////////////////////////////////////////////////////////////////////////////
  source: {} as Unit<any>,
  clock: {} as Unit<any>,
});

Last time we faced with the same problem in forward typings.

I'll add NoInfer<T> type suggested by Typescript comminuty and modify inference for each sample overload which includes target.

@bloadvenro bloadvenro added the typings flow and typescript public type definitions issues label Nov 15, 2019
zerobias added a commit that referenced this issue Nov 15, 2019
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Labels
typings flow and typescript public type definitions issues
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