swc/crates/swc_ecma_parser/tests/tsc/controlFlowAssignmentPatternOrder.ts

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// @target: esnext
// @noEmit: true
// https://github.com/microsoft/TypeScript/pull/41094#issuecomment-716044363
declare function f(): void;
{
let a: 0 | 1 = 0;
let b: 0 | 1 | 9;
[{ [(a = 1)]: b } = [9, a] as const] = [];
const bb: 0 = b;
}
{
let a: 0 | 1 = 1;
let b: 0 | 1 | 9;
[{ [a]: b } = [9, a = 0] as const] = [];
const bb: 9 = b;
}
{
let a: 0 | 1 = 0;
let b: 0 | 1 | 8 | 9;
[{ [(a = 1)]: b } = [9, a] as const] = [[9, 8] as const];
const bb: 0 | 8 = b;
}
{
let a: 0 | 1 = 1;
let b: 0 | 1 | 8 | 9;
[{ [a]: b } = [a = 0, 9] as const] = [[8, 9] as const];
const bb: 0 | 8 = b;
}
// same as above but on left of a binary expression
{
let a: 0 | 1 = 0;
let b: 0 | 1 | 9;
[{ [(a = 1)]: b } = [9, a] as const] = [], f();
const bb: 0 = b;
}
{
let a: 0 | 1 = 1;
let b: 0 | 1 | 9;
[{ [a]: b } = [9, a = 0] as const] = [], f();
const bb: 9 = b;
}
{
let a: 0 | 1 = 0;
let b: 0 | 1 | 8 | 9;
[{ [(a = 1)]: b } = [9, a] as const] = [[9, 8] as const], f();
const bb: 0 | 8 = b;
}
{
let a: 0 | 1 = 1;
let b: 0 | 1 | 8 | 9;
[{ [a]: b } = [a = 0, 9] as const] = [[8, 9] as const], f();
const bb: 0 | 8 = b;
}
// same as above but on right of a binary expression
{
let a: 0 | 1 = 0;
let b: 0 | 1 | 9;
f(), [{ [(a = 1)]: b } = [9, a] as const] = [];
const bb: 0 = b;
}
{
let a: 0 | 1 = 1;
let b: 0 | 1 | 9;
f(), [{ [a]: b } = [9, a = 0] as const] = [];
const bb: 9 = b;
}
{
let a: 0 | 1 = 0;
let b: 0 | 1 | 8 | 9;
f(), [{ [(a = 1)]: b } = [9, a] as const] = [[9, 8] as const];
const bb: 0 | 8 = b;
}
{
let a: 0 | 1 = 1;
let b: 0 | 1 | 8 | 9;
f(), [{ [a]: b } = [a = 0, 9] as const] = [[8, 9] as const];
const bb: 0 | 8 = b;
}