116 lines
1.6 KiB
TypeScript
116 lines
1.6 KiB
TypeScript
//// [callSignaturesWithParameterInitializers.ts]
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// Optional parameters allow initializers only in implementation signatures
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function foo(x = 1) { }
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var f = function foo(x = 1) { }
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var f2 = (x: number, y = 1) => { }
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foo(1);
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foo();
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f(1);
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f();
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f2(1);
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f2(1, 2);
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class C {
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foo(x = 1) { }
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}
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var c: C;
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c.foo();
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c.foo(1);
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// these are errors
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interface I {
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(x = 1);
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foo(x: number, y = 1);
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}
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var i: I;
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i();
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i(1);
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i.foo(1);
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i.foo(1, 2);
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// these are errors
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var a: {
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(x = 1);
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foo(x = 1);
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}
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a();
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a(1);
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a.foo();
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a.foo(1);
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var b = {
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foo(x = 1) { },
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a: function foo(x: number, y = 1) { },
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b: (x = 1) => { }
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}
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b.foo();
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b.foo(1);
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b.a(1);
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b.a(1, 2);
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b.b();
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b.b(1);
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//// [callSignaturesWithParameterInitializers.js]
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// Optional parameters allow initializers only in implementation signatures
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function foo(x) {
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if (x === void 0) { x = 1; }
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}
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var f = function foo(x) {
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if (x === void 0) { x = 1; }
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};
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var f2 = function (x, y) {
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if (y === void 0) { y = 1; }
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};
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foo(1);
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foo();
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f(1);
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f();
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f2(1);
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f2(1, 2);
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var C = (function () {
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function C() {
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}
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C.prototype.foo = function (x) {
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if (x === void 0) { x = 1; }
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};
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return C;
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})();
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var c;
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c.foo();
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c.foo(1);
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var i;
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i();
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i(1);
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i.foo(1);
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i.foo(1, 2);
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// these are errors
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var a;
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a();
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a(1);
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a.foo();
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a.foo(1);
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var b = {
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foo: function (x) {
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if (x === void 0) { x = 1; }
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},
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a: function foo(x, y) {
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if (y === void 0) { y = 1; }
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},
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b: function (x) {
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if (x === void 0) { x = 1; }
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}
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};
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b.foo();
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b.foo(1);
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b.a(1);
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b.a(1, 2);
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b.b();
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b.b(1);
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