TypeScript/tests/baselines/reference/jsdocInTypeScript.symbols
Anders Hejlsberg a4f9bf0fce
Create type aliases for unresolved type symbols (#45976)
* Create type aliases for unresolved type symbols

* Accept new baselines

* Update fourslash tests

* Unresolved import aliases create tagged unresolved symbols

* Add comments

* Accept new baselines

* Add fourslash tests
2021-09-23 13:21:27 -07:00

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=== tests/cases/compiler/jsdocInTypeScript.ts ===
// JSDoc typedef tags are not bound TypeScript files.
/** @typedef {function} T */
declare const x: T;
>x : Symbol(x, Decl(jsdocInTypeScript.ts, 2, 13))
>T : Symbol(T, Decl(jsdocInTypeScript.ts, 2, 19))
class T {
>T : Symbol(T, Decl(jsdocInTypeScript.ts, 2, 19))
prop: number;
>prop : Symbol(T.prop, Decl(jsdocInTypeScript.ts, 4, 9))
}
x.prop;
>x.prop : Symbol(T.prop, Decl(jsdocInTypeScript.ts, 4, 9))
>x : Symbol(x, Decl(jsdocInTypeScript.ts, 2, 13))
>prop : Symbol(T.prop, Decl(jsdocInTypeScript.ts, 4, 9))
// Just to be sure that @property has no impact either.
/**
* @typedef {Object} MyType
* @property {string} yes
*/
declare const myType: MyType; // should error, no such type
>myType : Symbol(myType, Decl(jsdocInTypeScript.ts, 15, 13))
>MyType : Symbol(MyType)
// @param type has no effect.
/**
* @param {number} x
* @returns string
*/
function f(x: boolean) { return x * 2; } // Should error
>f : Symbol(f, Decl(jsdocInTypeScript.ts, 15, 29))
>x : Symbol(x, Decl(jsdocInTypeScript.ts, 22, 11))
>x : Symbol(x, Decl(jsdocInTypeScript.ts, 22, 11))
// Should fail, because it takes a boolean and returns a number
f(1); f(true).length;
>f : Symbol(f, Decl(jsdocInTypeScript.ts, 15, 29))
>f : Symbol(f, Decl(jsdocInTypeScript.ts, 15, 29))
// @type has no effect either.
/** @type {{ x?: number }} */
const z = {};
>z : Symbol(z, Decl(jsdocInTypeScript.ts, 28, 5))
z.x = 1; // Error
>z : Symbol(z, Decl(jsdocInTypeScript.ts, 28, 5))
// @template tag should not interfere with constraint or default.
/** @template T */
interface I<T extends number = 0> {}
>I : Symbol(I, Decl(jsdocInTypeScript.ts, 29, 8))
>T : Symbol(T, Decl(jsdocInTypeScript.ts, 33, 12))
/** @template T */
function tem<T extends number>(t: T): I<T> { return {}; }
>tem : Symbol(tem, Decl(jsdocInTypeScript.ts, 33, 36))
>T : Symbol(T, Decl(jsdocInTypeScript.ts, 36, 13))
>t : Symbol(t, Decl(jsdocInTypeScript.ts, 36, 31))
>T : Symbol(T, Decl(jsdocInTypeScript.ts, 36, 13))
>I : Symbol(I, Decl(jsdocInTypeScript.ts, 29, 8))
>T : Symbol(T, Decl(jsdocInTypeScript.ts, 36, 13))
let i: I; // Should succeed thanks to type parameter default
>i : Symbol(i, Decl(jsdocInTypeScript.ts, 38, 3))
>I : Symbol(I, Decl(jsdocInTypeScript.ts, 29, 8))
/** @typedef {string} N.Str */
import M = N; // Error: @typedef does not create namespaces in TypeScript code.
>M : Symbol(M, Decl(jsdocInTypeScript.ts, 38, 9))
// Not legal JSDoc, but that shouldn't matter in TypeScript.
/**
* @type {{foo: (function(string, string): string)}}
*/
const obj = { foo: (a, b) => a + b };
>obj : Symbol(obj, Decl(jsdocInTypeScript.ts, 47, 5))
>foo : Symbol(foo, Decl(jsdocInTypeScript.ts, 47, 13))
>a : Symbol(a, Decl(jsdocInTypeScript.ts, 47, 20))
>b : Symbol(b, Decl(jsdocInTypeScript.ts, 47, 22))
>a : Symbol(a, Decl(jsdocInTypeScript.ts, 47, 20))
>b : Symbol(b, Decl(jsdocInTypeScript.ts, 47, 22))
/** @enum {string} */
var E = {};
>E : Symbol(E, Decl(jsdocInTypeScript.ts, 50, 3))
E[""];
>E : Symbol(E, Decl(jsdocInTypeScript.ts, 50, 3))
// make sure import types in JSDoc are not resolved
/** @type {import("should-not-be-resolved").Type} */
var v = import(String());
>v : Symbol(v, Decl(jsdocInTypeScript.ts, 55, 3))
>String : Symbol(String, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --) ... and 1 more)