Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: DiagnosticCategory.Error, key: "Initializer provides no value for this binding element and the binding element has no default value." },

"Initializer provides no value for this binding element and the binding element has no default value.": {

"category": "Error",

"code": 2525

},

bindingElement?: BindingElement; // Binding element associated with property symbol

export type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression;

flags: TypeFlags; // Flags

/* @internal */ id: number; // Unique ID

symbol?: Symbol; // Symbol associated with type (if any)

pattern?: DestructuringPattern; // Destructuring pattern represented by type (if any)

elementTypes: Type[]; // Element types

>p9 : ({ a: { b = 1 } = { b: 1 } }: { a?: { b?: number; }; }) => void

>({ a: { b = 1 } = { b: 1 } }) => { } : ({ a: { b = 1 } = { b: 1 } }: { a?: { b?: number; }; }) => void

>{ b: 1 } : { b?: number; }

x?: number;

y?: [number, number, number, number];

tests/cases/compiler/declarationEmitDestructuring4.ts(9,22): error TS2353: Object literal may only specify known properties, and 'x' does not exist in type '{}'.

==== tests/cases/compiler/declarationEmitDestructuring4.ts (1 errors) ====

// For an array binding pattern with empty elements,

// we will not make any modification and will emit

// the similar binding pattern users' have written

function baz([]) { }

function baz1([] = [1,2,3]) { }

function baz2([[]] = [[1,2,3]]) { }

function baz3({}) { }

function baz4({} = { x: 10 }) { }

~

!!! error TS2353: Object literal may only specify known properties, and 'x' does not exist in type '{}'.

tests/cases/compiler/declarationEmitDestructuringArrayPattern2.ts(4,6): error TS2525: Initializer provides no value for this binding element and the binding element has no default value.

tests/cases/compiler/declarationEmitDestructuringArrayPattern2.ts(4,11): error TS2525: Initializer provides no value for this binding element and the binding element has no default value.

tests/cases/compiler/declarationEmitDestructuringArrayPattern2.ts(4,16): error TS2525: Initializer provides no value for this binding element and the binding element has no default value.

==== tests/cases/compiler/declarationEmitDestructuringArrayPattern2.ts (3 errors) ====

var [x10, [y10, [z10]]] = [1, ["hello", [true]]];

var [x11 = 0, y11 = ""] = [1, "hello"];

var [a11, b11, c11] = [];

~~~

!!! error TS2525: Initializer provides no value for this binding element and the binding element has no default value.

~~~

!!! error TS2525: Initializer provides no value for this binding element and the binding element has no default value.

~~~

!!! error TS2525: Initializer provides no value for this binding element and the binding element has no default value.

var [a2, [b2, { x12, y12: c2 }]=["abc", { x12: 10, y12: false }]] = [1, ["hello", { x12: 5, y12: true }]];

var [x13, y13] = [1, "hello"];

var [a3, b3] = [[x13, y13], { x: x13, y: y13 }];