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=== tests/cases/conformance/expressions/objectLiterals/objectLiteralNormalization.ts ===
// Object literals in unions are normalized upon widening
let a1 = [{ a: 0 }, { a: 1, b: "x" }, { a: 2, b: "y", c: true }][0];
>a1 : Symbol(a1, Decl(objectLiteralNormalization.ts, 1, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 1, 11))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 1, 21))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 1, 27))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 1, 39))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 1, 45))
>c : Symbol(c, Decl(objectLiteralNormalization.ts, 1, 53))
a1.a; // number
>a1.a : Symbol(a, Decl(objectLiteralNormalization.ts, 1, 11), Decl(objectLiteralNormalization.ts, 1, 21), Decl(objectLiteralNormalization.ts, 1, 39))
>a1 : Symbol(a1, Decl(objectLiteralNormalization.ts, 1, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 1, 11), Decl(objectLiteralNormalization.ts, 1, 21), Decl(objectLiteralNormalization.ts, 1, 39))
a1.b; // string | undefined
>a1.b : Symbol(b, Decl(objectLiteralNormalization.ts, 1, 45), Decl(objectLiteralNormalization.ts, 1, 27), Decl(objectLiteralNormalization.ts, 1, 45))
>a1 : Symbol(a1, Decl(objectLiteralNormalization.ts, 1, 3))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 1, 45), Decl(objectLiteralNormalization.ts, 1, 27), Decl(objectLiteralNormalization.ts, 1, 45))
a1.c; // boolean | undefined
>a1.c : Symbol(c, Decl(objectLiteralNormalization.ts, 1, 53), Decl(objectLiteralNormalization.ts, 1, 53))
>a1 : Symbol(a1, Decl(objectLiteralNormalization.ts, 1, 3))
>c : Symbol(c, Decl(objectLiteralNormalization.ts, 1, 53), Decl(objectLiteralNormalization.ts, 1, 53))
a1 = { a: 1 };
>a1 : Symbol(a1, Decl(objectLiteralNormalization.ts, 1, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 5, 6))
a1 = { a: 0, b: 0 }; // Error
>a1 : Symbol(a1, Decl(objectLiteralNormalization.ts, 1, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 6, 6))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 6, 12))
a1 = { b: "y" }; // Error
>a1 : Symbol(a1, Decl(objectLiteralNormalization.ts, 1, 3))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 7, 6))
a1 = { c: true }; // Error
>a1 : Symbol(a1, Decl(objectLiteralNormalization.ts, 1, 3))
>c : Symbol(c, Decl(objectLiteralNormalization.ts, 8, 6))
let a2 = [{ a: 1, b: 2 }, { a: "abc" }, {}][0];
>a2 : Symbol(a2, Decl(objectLiteralNormalization.ts, 10, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 10, 11))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 10, 17))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 10, 27))
a2.a; // string | number | undefined
>a2.a : Symbol(a, Decl(objectLiteralNormalization.ts, 10, 11), Decl(objectLiteralNormalization.ts, 10, 27), Decl(objectLiteralNormalization.ts, 10, 27))
>a2 : Symbol(a2, Decl(objectLiteralNormalization.ts, 10, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 10, 11), Decl(objectLiteralNormalization.ts, 10, 27), Decl(objectLiteralNormalization.ts, 10, 27))
a2.b; // number | undefined
>a2.b : Symbol(b, Decl(objectLiteralNormalization.ts, 10, 17), Decl(objectLiteralNormalization.ts, 1, 45))
>a2 : Symbol(a2, Decl(objectLiteralNormalization.ts, 10, 3))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 10, 17), Decl(objectLiteralNormalization.ts, 1, 45))
a2 = { a: 10, b: 20 };
>a2 : Symbol(a2, Decl(objectLiteralNormalization.ts, 10, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 13, 6))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 13, 13))
a2 = { a: "def" };
>a2 : Symbol(a2, Decl(objectLiteralNormalization.ts, 10, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 14, 6))
a2 = {};
>a2 : Symbol(a2, Decl(objectLiteralNormalization.ts, 10, 3))
a2 = { a: "def", b: 20 }; // Error
>a2 : Symbol(a2, Decl(objectLiteralNormalization.ts, 10, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 16, 6))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 16, 16))
a2 = { a: 1 }; // Error
>a2 : Symbol(a2, Decl(objectLiteralNormalization.ts, 10, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 17, 6))
// Object literals containing spreads are not normalized
declare let b1: { a: string, b: string } | { b: string, c: string };
>b1 : Symbol(b1, Decl(objectLiteralNormalization.ts, 20, 11))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 20, 17))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 20, 28))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 20, 44))
>c : Symbol(c, Decl(objectLiteralNormalization.ts, 20, 55))
let b2 = { ...b1, z: 55 };
>b2 : Symbol(b2, Decl(objectLiteralNormalization.ts, 21, 3))
>b1 : Symbol(b1, Decl(objectLiteralNormalization.ts, 20, 11))
>z : Symbol(z, Decl(objectLiteralNormalization.ts, 21, 17))
let b3 = { ...b2 };
>b3 : Symbol(b3, Decl(objectLiteralNormalization.ts, 22, 3))
>b2 : Symbol(b2, Decl(objectLiteralNormalization.ts, 21, 3))
// Before widening {} acts like { [x: string]: undefined }, which is a
// subtype of types with all optional properties
declare let opts: { foo?: string, bar?: string, baz?: boolean };
>opts : Symbol(opts, Decl(objectLiteralNormalization.ts, 26, 11))
>foo : Symbol(foo, Decl(objectLiteralNormalization.ts, 26, 19))
>bar : Symbol(bar, Decl(objectLiteralNormalization.ts, 26, 33))
>baz : Symbol(baz, Decl(objectLiteralNormalization.ts, 26, 47))
let c1 = !true ? {} : opts;
>c1 : Symbol(c1, Decl(objectLiteralNormalization.ts, 27, 3))
>opts : Symbol(opts, Decl(objectLiteralNormalization.ts, 26, 11))
let c2 = !true ? opts : {};
>c2 : Symbol(c2, Decl(objectLiteralNormalization.ts, 28, 3))
>opts : Symbol(opts, Decl(objectLiteralNormalization.ts, 26, 11))
let c3 = !true ? { a: 0, b: 0 } : {};
>c3 : Symbol(c3, Decl(objectLiteralNormalization.ts, 29, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 29, 18))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 29, 24))
let c4 = !true ? {} : { a: 0, b: 0 };
>c4 : Symbol(c4, Decl(objectLiteralNormalization.ts, 30, 3))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 30, 23))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 30, 29))
// Normalization applies to nested properties
let d1 = [{ kind: 'a', pos: { x: 0, y: 0 } }, { kind: 'b', pos: !true ? { a: "x" } : { b: 0 } }][0];
>d1 : Symbol(d1, Decl(objectLiteralNormalization.ts, 33, 3))
>kind : Symbol(kind, Decl(objectLiteralNormalization.ts, 33, 11))
>pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22))
>x : Symbol(x, Decl(objectLiteralNormalization.ts, 33, 29))
>y : Symbol(y, Decl(objectLiteralNormalization.ts, 33, 35))
>kind : Symbol(kind, Decl(objectLiteralNormalization.ts, 33, 47))
>pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 58))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 33, 73))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 33, 86))
d1.kind;
>d1.kind : Symbol(kind, Decl(objectLiteralNormalization.ts, 33, 11), Decl(objectLiteralNormalization.ts, 33, 47))
>d1 : Symbol(d1, Decl(objectLiteralNormalization.ts, 33, 3))
>kind : Symbol(kind, Decl(objectLiteralNormalization.ts, 33, 11), Decl(objectLiteralNormalization.ts, 33, 47))
d1.pos;
>d1.pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22), Decl(objectLiteralNormalization.ts, 33, 58))
>d1 : Symbol(d1, Decl(objectLiteralNormalization.ts, 33, 3))
>pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22), Decl(objectLiteralNormalization.ts, 33, 58))
d1.pos.x;
>d1.pos.x : Symbol(x, Decl(objectLiteralNormalization.ts, 33, 29), Decl(objectLiteralNormalization.ts, 33, 29))
>d1.pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22), Decl(objectLiteralNormalization.ts, 33, 58))
>d1 : Symbol(d1, Decl(objectLiteralNormalization.ts, 33, 3))
>pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22), Decl(objectLiteralNormalization.ts, 33, 58))
>x : Symbol(x, Decl(objectLiteralNormalization.ts, 33, 29), Decl(objectLiteralNormalization.ts, 33, 29))
d1.pos.y;
>d1.pos.y : Symbol(y, Decl(objectLiteralNormalization.ts, 33, 35), Decl(objectLiteralNormalization.ts, 33, 35))
>d1.pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22), Decl(objectLiteralNormalization.ts, 33, 58))
>d1 : Symbol(d1, Decl(objectLiteralNormalization.ts, 33, 3))
>pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22), Decl(objectLiteralNormalization.ts, 33, 58))
>y : Symbol(y, Decl(objectLiteralNormalization.ts, 33, 35), Decl(objectLiteralNormalization.ts, 33, 35))
d1.pos.a;
>d1.pos.a : Symbol(a, Decl(objectLiteralNormalization.ts, 10, 27), Decl(objectLiteralNormalization.ts, 33, 73))
>d1.pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22), Decl(objectLiteralNormalization.ts, 33, 58))
>d1 : Symbol(d1, Decl(objectLiteralNormalization.ts, 33, 3))
>pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22), Decl(objectLiteralNormalization.ts, 33, 58))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 10, 27), Decl(objectLiteralNormalization.ts, 33, 73))
d1.pos.b;
>d1.pos.b : Symbol(b, Decl(objectLiteralNormalization.ts, 1, 45), Decl(objectLiteralNormalization.ts, 33, 86))
>d1.pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22), Decl(objectLiteralNormalization.ts, 33, 58))
>d1 : Symbol(d1, Decl(objectLiteralNormalization.ts, 33, 3))
>pos : Symbol(pos, Decl(objectLiteralNormalization.ts, 33, 22), Decl(objectLiteralNormalization.ts, 33, 58))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 1, 45), Decl(objectLiteralNormalization.ts, 33, 86))
declare function f<T>(...items: T[]): T;
>f : Symbol(f, Decl(objectLiteralNormalization.ts, 39, 9))
>T : Symbol(T, Decl(objectLiteralNormalization.ts, 41, 19))
>items : Symbol(items, Decl(objectLiteralNormalization.ts, 41, 22))
>T : Symbol(T, Decl(objectLiteralNormalization.ts, 41, 19))
>T : Symbol(T, Decl(objectLiteralNormalization.ts, 41, 19))
declare let data: { a: 1, b: "abc", c: true };
>data : Symbol(data, Decl(objectLiteralNormalization.ts, 42, 11))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 42, 19))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 42, 25))
>c : Symbol(c, Decl(objectLiteralNormalization.ts, 42, 35))
// Object literals are inferred as a single normalized union type
let e1 = f({ a: 1, b: 2 }, { a: "abc" }, {});
>e1 : Symbol(e1, Decl(objectLiteralNormalization.ts, 45, 3))
>f : Symbol(f, Decl(objectLiteralNormalization.ts, 39, 9))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 45, 12))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 45, 18))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 45, 28))
let e2 = f({}, { a: "abc" }, { a: 1, b: 2 });
>e2 : Symbol(e2, Decl(objectLiteralNormalization.ts, 46, 3))
>f : Symbol(f, Decl(objectLiteralNormalization.ts, 39, 9))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 46, 16))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 46, 30))
>b : Symbol(b, Decl(objectLiteralNormalization.ts, 46, 36))
let e3 = f(data, { a: 2 });
>e3 : Symbol(e3, Decl(objectLiteralNormalization.ts, 47, 3))
>f : Symbol(f, Decl(objectLiteralNormalization.ts, 39, 9))
>data : Symbol(data, Decl(objectLiteralNormalization.ts, 42, 11))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 47, 18))
let e4 = f({ a: 2 }, data);
>e4 : Symbol(e4, Decl(objectLiteralNormalization.ts, 48, 3))
>f : Symbol(f, Decl(objectLiteralNormalization.ts, 39, 9))
>a : Symbol(a, Decl(objectLiteralNormalization.ts, 48, 12))
>data : Symbol(data, Decl(objectLiteralNormalization.ts, 42, 11))
|
