File: noUncheckedIndexAccess.ts

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node-typescript 4.9.5%2Bds1-2
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//@noUncheckedIndexedAccess: true
//@strictNullChecks: true

enum Meat {
    Sausage,
    Bacon
  }
  const sausage = Meat.Sausage
  const valueSausage = Meat[sausage]

  const bacon = Meat.Bacon
  const valueBacon = Meat[bacon]

  const union: Meat.Bacon | Meat.Sausage = Meat.Bacon
  const valueUnion = Meat[union]

  //Avoiding a false positive
  const value = Meat[0]

  const valueUndefined = "testing"
  const value2 = Meat[valueUndefined]

  enum A {
    a, b, c
  }
  enum B {
    x, y, z
  }
  
  const value3 = A[B.x];