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tests/cases/conformance/enums/enumBasics.ts(13,5): error TS2403: Subsequent variable declarations must have the same type. Variable 'e' must be of type 'typeof E1', but here has type '{ readonly [n: number]: string; readonly A: E1; readonly B: E1; readonly C: E1; }'.
==== tests/cases/conformance/enums/enumBasics.ts (1 errors) ====
// Enum without initializers have first member = 0 and successive members = N + 1
enum E1 {
A,
B,
C
}
// Enum type is a subtype of Number
var x: number = E1.A;
// Enum object type is anonymous with properties of the enum type and numeric indexer
var e = E1;
var e: {
~
!!! error TS2403: Subsequent variable declarations must have the same type. Variable 'e' must be of type 'typeof E1', but here has type '{ readonly [n: number]: string; readonly A: E1; readonly B: E1; readonly C: E1; }'.
readonly A: E1;
readonly B: E1;
readonly C: E1;
readonly [n: number]: string;
};
var e: typeof E1;
// Reverse mapping of enum returns string name of property
var s = E1[e.A];
var s: string;
// Enum with only constant members
enum E2 {
A = 1, B = 2, C = 3
}
// Enum with only computed members
enum E3 {
X = 'foo'.length, Y = 4 + 3, Z = +'foo'
}
// Enum with constant members followed by computed members
enum E4 {
X = 0, Y, Z = 'foo'.length
}
// Enum with > 2 constant members with no initializer for first member, non zero initializer for second element
enum E5 {
A,
B = 3,
C // 4
}
enum E6 {
A,
B = 0,
C // 1
}
// Enum with computed member initializer of type 'any'
enum E7 {
A = 'foo'['foo']
}
// Enum with computed member initializer of type number
enum E8 {
B = 'foo'['foo']
}
//Enum with computed member intializer of same enum type
enum E9 {
A,
B = A
}
// (refer to .js to validate)
// Enum constant members are propagated
var doNotPropagate = [
E8.B, E7.A, E4.Z, E3.X, E3.Y, E3.Z
];
// Enum computed members are not propagated
var doPropagate = [
E9.A, E9.B, E6.B, E6.C, E6.A, E5.A, E5.B, E5.C
];
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