148 lines
2.7 KiB
TypeScript
148 lines
2.7 KiB
TypeScript
//// [stringIndexerConstrainsPropertyDeclarations.ts]
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// String indexer types constrain the types of named properties in their containing type
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interface MyString extends String {
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foo: number;
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}
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class C {
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[x: string]: string;
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constructor() { } // ok
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a: string; // ok
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b: number; // error
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c: () => {} // error
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"d": string; // ok
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"e": number; // error
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1.0: string; // ok
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2.0: number; // error
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"3.0": string; // ok
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"4.0": number; // error
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f: MyString; // error
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get X() { // ok
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return '';
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}
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set X(v) { } // ok
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foo() { // error
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return '';
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}
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static sa: number; // ok
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static sb: string; // ok
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static foo() { } // ok
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static get X() { // ok
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return 1;
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}
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}
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interface I {
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[x: string]: string;
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a: string; // ok
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b: number; // error
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c: () => {} // error
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"d": string; // ok
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"e": number; // error
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1.0: string; // ok
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2.0: number; // error
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(): string; // ok
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(x): number // ok
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foo(): string; // error
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"3.0": string; // ok
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"4.0": number; // error
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f: MyString; // error
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}
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var a: {
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[x: string]: string;
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a: string; // ok
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b: number; // error
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c: () => {} // error
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"d": string; // ok
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"e": number; // error
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1.0: string; // ok
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2.0: number; // error
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(): string; // ok
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(x): number // ok
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foo(): string; // error
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"3.0": string; // ok
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"4.0": number; // error
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f: MyString; // error
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}
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// error
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var b: { [x: string]: string; } = {
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a: '',
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b: 1,
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c: () => { },
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"d": '',
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"e": 1,
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1.0: '',
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2.0: 1,
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"3.0": '',
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"4.0": 1,
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f: <MyString>null,
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get X() {
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return '';
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},
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set X(v) { },
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foo() {
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return '';
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}
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}
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//// [stringIndexerConstrainsPropertyDeclarations.js]
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// String indexer types constrain the types of named properties in their containing type
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var C = (function () {
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function C() {
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} // ok
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Object.defineProperty(C.prototype, "X", {
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get: function () {
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return '';
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},
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set: function (v) { } // ok
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,
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enumerable: true,
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configurable: true
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});
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C.prototype.foo = function () {
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return '';
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};
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C.foo = function () { }; // ok
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Object.defineProperty(C, "X", {
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get: function () {
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return 1;
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},
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enumerable: true,
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configurable: true
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});
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return C;
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})();
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var a;
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// error
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var b = {
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a: '',
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b: 1,
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c: function () { },
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"d": '',
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"e": 1,
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1.0: '',
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2.0: 1,
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"3.0": '',
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"4.0": 1,
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f: null,
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get X() {
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return '';
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},
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set X(v) { },
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foo: function () {
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return '';
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}
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};
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