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declarationEmitBindingPatternsUnused.js
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declarationEmitBindingPatternsUnused.js
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//// [tests/cases/compiler/declarationEmitBindingPatternsUnused.ts] ////
//// [declarationEmitBindingPatternsUnused.ts]
type Named = { name: string }
// Resons we can't remove aliases that are not used in the function signature:
// 1.Causes duplicate identifier if we remove alias
function duplicateIndetifiers({ name: alias, name: alias2 }: Named) { }
function duplicateIndetifiers2(name: string, { name: alias }: Named) { }
function duplicateIndetifiers3({ name: alias }: Named, { name: alias2 }: Named) { }
let value = "";
// 2.Can change in meaning for typeof value if we remove alias
function shadowedVariable({ value: alias }: { value: string }): typeof value { return value }
function notReferenced({ name: alias }: Named) {
}
function notReferencedNestedAlias({ p: { name: alias } }: { p: Named }) {
}
function notReferencedArrayAlias([a, b, { name: alias }]: Named[]) {
}
function referencedInCode({ name: alias }: Named) {
return alias;
}
function referencedInSignarture({ name: alias }: Named): typeof alias {
return alias;
}
function referencedInSignartureKeyword({ function: alias }: { function: string }): typeof alias {
return null!;
}
function referencedInInferredType({ name: alias }: Named) {
type Named2 = { name: typeof alias }
return null! as Named2
}
function referencedInNestedFunction({ name: alias }: Named) {
return function(p: typeof alias) {
}
}
function referencedNestedAlias({ p: { name: alias } }: { p: Named }): typeof alias {
return alias;
}
function referencedArrayAlias([a, b, { name: alias }]: Named[]): typeof alias {
return alias;
}
class NotReferencedClass {
constructor({ name: alias }: Named) {
}
set x({ name: alias }: Named) {
console.log(alias);
}
m({ name: alias }: Named) {
console.log(alias);
}
}
class ReferencedInCodeClas {
constructor({ name: alias }: Named) {
console.log(alias);
}
set x({ name: alias }: Named) {
console.log(alias);
}
m({ name: alias }: Named) {
console.log(alias);
}
}
class ReferencedInSignartureClass {
constructor({ name: alias }: Named, p: typeof alias) {
console.log(alias);
}
set x({ name: alias }: Named & { o: typeof alias }) {
}
mReturnType({ name: alias }: Named): typeof alias {
return null!
}
mRerturnTypeNested({ name: alias }: Named): NonNullable<typeof alias> {
return null!
}
mParameter({ name: alias }: Named, p: typeof alias) {
return null!
}
}
let notReferencedFnType: ({ name: alias }: Named) => void;
let referencedInSignartureReturnTypeFnType: ({ name: alias }: Named) => typeof alias;
let referencedInSignartureParamTypeFnType: ({ name: alias }: Named, p: typeof alias) => void;
let notReferencedCtorType: new ({ name: alias }: Named) => void;
let referencedInSignartureReturnTypeCtorType: new ({ name: alias }: Named) => typeof alias;
let referencedInSignartureParamTypeCtorType: new ({ name: alias }: Named, p: typeof alias) => void;
interface NotReferencedInterface {
({ name: alias }: Named): void
new ({ name: alias }: Named): void
set x({ name: alias }: Named);
m({ name: alias }: Named);
}
interface ReferencedInSignartureInterface {
({ name: alias }: Named, p: typeof alias): void
({ name: alias }: Named): typeof alias
new ({ name: alias }: Named, p: typeof alias): void
new ({ name: alias }: Named): typeof alias
set x({ name: alias }: Named & { o: typeof alias })
mReturnType({ name: alias }: Named): typeof alias;
mRerturnTypeNested({ name: alias }: Named): NonNullable<typeof alias>;
mParameter({ name: alias }: Named, p: typeof alias);
}
//// [declarationEmitBindingPatternsUnused.js]
// Resons we can't remove aliases that are not used in the function signature:
// 1.Causes duplicate identifier if we remove alias
function duplicateIndetifiers({ name: alias, name: alias2 }) { }
function duplicateIndetifiers2(name, { name: alias }) { }
function duplicateIndetifiers3({ name: alias }, { name: alias2 }) { }
let value = "";
// 2.Can change in meaning for typeof value if we remove alias
function shadowedVariable({ value: alias }) { return value; }
function notReferenced({ name: alias }) {
}
function notReferencedNestedAlias({ p: { name: alias } }) {
}
function notReferencedArrayAlias([a, b, { name: alias }]) {
}
function referencedInCode({ name: alias }) {
return alias;
}
function referencedInSignarture({ name: alias }) {
return alias;
}
function referencedInSignartureKeyword({ function: alias }) {
return null;
}
function referencedInInferredType({ name: alias }) {
return null;
}
function referencedInNestedFunction({ name: alias }) {
return function (p) {
};
}
function referencedNestedAlias({ p: { name: alias } }) {
return alias;
}
function referencedArrayAlias([a, b, { name: alias }]) {
return alias;
}
class NotReferencedClass {
constructor({ name: alias }) {
}
set x({ name: alias }) {
console.log(alias);
}
m({ name: alias }) {
console.log(alias);
}
}
class ReferencedInCodeClas {
constructor({ name: alias }) {
console.log(alias);
}
set x({ name: alias }) {
console.log(alias);
}
m({ name: alias }) {
console.log(alias);
}
}
class ReferencedInSignartureClass {
constructor({ name: alias }, p) {
console.log(alias);
}
set x({ name: alias }) {
}
mReturnType({ name: alias }) {
return null;
}
mRerturnTypeNested({ name: alias }) {
return null;
}
mParameter({ name: alias }, p) {
return null;
}
}
let notReferencedFnType;
let referencedInSignartureReturnTypeFnType;
let referencedInSignartureParamTypeFnType;
let notReferencedCtorType;
let referencedInSignartureReturnTypeCtorType;
let referencedInSignartureParamTypeCtorType;
//// [declarationEmitBindingPatternsUnused.d.ts]
type Named = {
name: string;
};
declare function duplicateIndetifiers({ name: alias, name: alias2 }: Named): void;
declare function duplicateIndetifiers2(name: string, { name: alias }: Named): void;
declare function duplicateIndetifiers3({ name: alias }: Named, { name: alias2 }: Named): void;
declare let value: string;
declare function shadowedVariable({ value: alias }: {
value: string;
}): typeof value;
declare function notReferenced({ name: alias }: Named): void;
declare function notReferencedNestedAlias({ p: { name: alias } }: {
p: Named;
}): void;
declare function notReferencedArrayAlias([a, b, { name: alias }]: Named[]): void;
declare function referencedInCode({ name: alias }: Named): string;
declare function referencedInSignarture({ name: alias }: Named): typeof alias;
declare function referencedInSignartureKeyword({ function: alias }: {
function: string;
}): typeof alias;
declare function referencedInInferredType({ name: alias }: Named): {
name: typeof alias;
};
declare function referencedInNestedFunction({ name: alias }: Named): (p: typeof alias) => void;
declare function referencedNestedAlias({ p: { name: alias } }: {
p: Named;
}): typeof alias;
declare function referencedArrayAlias([a, b, { name: alias }]: Named[]): typeof alias;
declare class NotReferencedClass {
constructor({ name: alias }: Named);
set x({ name: alias }: Named);
m({ name: alias }: Named): void;
}
declare class ReferencedInCodeClas {
constructor({ name: alias }: Named);
set x({ name: alias }: Named);
m({ name: alias }: Named): void;
}
declare class ReferencedInSignartureClass {
constructor({ name: alias }: Named, p: typeof alias);
set x({ name: alias }: Named & {
o: typeof alias;
});
mReturnType({ name: alias }: Named): typeof alias;
mRerturnTypeNested({ name: alias }: Named): NonNullable<typeof alias>;
mParameter({ name: alias }: Named, p: typeof alias): any;
}
declare let notReferencedFnType: ({ name: alias }: Named) => void;
declare let referencedInSignartureReturnTypeFnType: ({ name: alias }: Named) => typeof alias;
declare let referencedInSignartureParamTypeFnType: ({ name: alias }: Named, p: typeof alias) => void;
declare let notReferencedCtorType: new ({ name: alias }: Named) => void;
declare let referencedInSignartureReturnTypeCtorType: new ({ name: alias }: Named) => typeof alias;
declare let referencedInSignartureParamTypeCtorType: new ({ name: alias }: Named, p: typeof alias) => void;
interface NotReferencedInterface {
({ name: alias }: Named): void;
new ({ name: alias }: Named): void;
set x({ name: alias }: Named);
m({ name: alias }: Named): any;
}
interface ReferencedInSignartureInterface {
({ name: alias }: Named, p: typeof alias): void;
({ name: alias }: Named): typeof alias;
new ({ name: alias }: Named, p: typeof alias): void;
new ({ name: alias }: Named): typeof alias;
set x({ name: alias }: Named & {
o: typeof alias;
});
mReturnType({ name: alias }: Named): typeof alias;
mRerturnTypeNested({ name: alias }: Named): NonNullable<typeof alias>;
mParameter({ name: alias }: Named, p: typeof alias): any;
}