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Consider a symbol visible for declaration emit when it is the target of an ambient module's export= (microsoft#47835)
* Consider a symbol visible for declaration emit when it is the target of an ambient module's export= * Just use resolveExternalModuleSymbol
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8 files changed

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lines changed

8 files changed

+226
-5
lines changed

‎src/compiler/checker.ts‎

Lines changed: 9 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3981,8 +3981,15 @@ namespace ts {
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return res;
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}
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const candidates = mapDefined(symbol.declarations, d => {
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if (!isAmbientModule(d) && d.parent && hasNonGlobalAugmentationExternalModuleSymbol(d.parent)) {
3985-
return getSymbolOfNode(d.parent);
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if (!isAmbientModule(d) && d.parent){
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// direct children of a module
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if (hasNonGlobalAugmentationExternalModuleSymbol(d.parent)) {
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return getSymbolOfNode(d.parent);
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}
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// export ='d member of an ambient module
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if (isModuleBlock(d.parent) && d.parent.parent && resolveExternalModuleSymbol(getSymbolOfNode(d.parent.parent)) === symbol) {
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return getSymbolOfNode(d.parent.parent);
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}
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}
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if (isClassExpression(d) && isBinaryExpression(d.parent) && d.parent.operatorToken.kind === SyntaxKind.EqualsToken && isAccessExpression(d.parent.left) && isEntityNameExpression(d.parent.left.expression)) {
39883995
if (isModuleExportsAccessExpression(d.parent.left) || isExportsIdentifier(d.parent.left.expression)) {

‎tests/baselines/reference/amdLikeInputDeclarationEmit.js‎

Lines changed: 40 additions & 0 deletions
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@@ -0,0 +1,40 @@
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//// [tests/cases/compiler/amdLikeInputDeclarationEmit.ts] ////
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//// [typing.d.ts]
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declare function define<T=unknown>(name: string, modules: string[], ready: (...modules: unknown[]) => T);
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//// [BaseClass.d.ts]
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declare module "deps/BaseClass" {
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class BaseClass {
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static extends<A>(a: A): new () => A & BaseClass;
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}
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export = BaseClass;
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}
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//// [ExtendedClass.js]
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define("lib/ExtendedClass", ["deps/BaseClass"],
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/**
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* {typeof import("deps/BaseClass")}
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* @param {typeof import("deps/BaseClass")} BaseClass
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* @returns
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*/
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(BaseClass) => {
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const ExtendedClass = BaseClass.extends({
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f: function() {
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return "something";
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}
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});
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// Exports the module in a way tsc recognize class export
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const module = {};
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module.exports = ExtendedClass
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return module.exports;
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});
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//// [ExtendedClass.d.ts]
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/// <reference path="../tests/cases/compiler/deps/BaseClass.d.ts" />
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export = ExtendedClass;
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declare const ExtendedClass: new () => {
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f: () => "something";
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} & import("deps/BaseClass");

‎tests/baselines/reference/amdLikeInputDeclarationEmit.symbols‎

Lines changed: 66 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
1+
=== tests/cases/compiler/typing.d.ts ===
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declare function define<T=unknown>(name: string, modules: string[], ready: (...modules: unknown[]) => T);
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>define : Symbol(define, Decl(typing.d.ts, 0, 0))
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>T : Symbol(T, Decl(typing.d.ts, 0, 24))
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>name : Symbol(name, Decl(typing.d.ts, 0, 35))
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>modules : Symbol(modules, Decl(typing.d.ts, 0, 48))
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>ready : Symbol(ready, Decl(typing.d.ts, 0, 67))
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>modules : Symbol(modules, Decl(typing.d.ts, 0, 76))
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>T : Symbol(T, Decl(typing.d.ts, 0, 24))
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=== tests/cases/compiler/deps/BaseClass.d.ts ===
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declare module "deps/BaseClass" {
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>"deps/BaseClass" : Symbol("deps/BaseClass", Decl(BaseClass.d.ts, 0, 0))
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class BaseClass {
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>BaseClass : Symbol(BaseClass, Decl(BaseClass.d.ts, 0, 33))
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static extends<A>(a: A): new () => A & BaseClass;
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>extends : Symbol(BaseClass.extends, Decl(BaseClass.d.ts, 1, 21))
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>A : Symbol(A, Decl(BaseClass.d.ts, 2, 23))
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>a : Symbol(a, Decl(BaseClass.d.ts, 2, 26))
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>A : Symbol(A, Decl(BaseClass.d.ts, 2, 23))
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>A : Symbol(A, Decl(BaseClass.d.ts, 2, 23))
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>BaseClass : Symbol(BaseClass, Decl(BaseClass.d.ts, 0, 33))
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}
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export = BaseClass;
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>BaseClass : Symbol(BaseClass, Decl(BaseClass.d.ts, 0, 33))
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}
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=== tests/cases/compiler/ExtendedClass.js ===
30+
define("lib/ExtendedClass", ["deps/BaseClass"],
31+
>define : Symbol(define, Decl(typing.d.ts, 0, 0))
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/**
34+
* {typeof import("deps/BaseClass")}
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* @param {typeof import("deps/BaseClass")} BaseClass
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* @returns
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*/
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(BaseClass) => {
39+
>BaseClass : Symbol(BaseClass, Decl(ExtendedClass.js, 6, 1))
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const ExtendedClass = BaseClass.extends({
42+
>ExtendedClass : Symbol(ExtendedClass, Decl(ExtendedClass.js, 8, 9))
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>BaseClass.extends : Symbol(BaseClass.extends, Decl(BaseClass.d.ts, 1, 21))
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>BaseClass : Symbol(BaseClass, Decl(ExtendedClass.js, 6, 1))
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>extends : Symbol(BaseClass.extends, Decl(BaseClass.d.ts, 1, 21))
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f: function() {
48+
>f : Symbol(f, Decl(ExtendedClass.js, 8, 45))
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return "something";
51+
}
52+
});
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// Exports the module in a way tsc recognize class export
55+
const module = {};
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>module : Symbol(module, Decl(ExtendedClass.js, 15, 9))
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module.exports = ExtendedClass
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>module : Symbol(export=, Decl(ExtendedClass.js, 15, 22))
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>exports : Symbol(export=, Decl(ExtendedClass.js, 15, 22))
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>ExtendedClass : Symbol(ExtendedClass, Decl(ExtendedClass.js, 8, 9))
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return module.exports;
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>module : Symbol(module, Decl(ExtendedClass.js, 15, 9))
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});

‎tests/baselines/reference/amdLikeInputDeclarationEmit.types‎

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@@ -0,0 +1,74 @@
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=== tests/cases/compiler/typing.d.ts ===
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declare function define<T=unknown>(name: string, modules: string[], ready: (...modules: unknown[]) => T);
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>define : <T = unknown>(name: string, modules: string[], ready: (...modules: unknown[]) => T) => any
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>name : string
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>modules : string[]
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>ready : (...modules: unknown[]) => T
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>modules : unknown[]
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=== tests/cases/compiler/deps/BaseClass.d.ts ===
10+
declare module "deps/BaseClass" {
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>"deps/BaseClass" : typeof import("deps/BaseClass")
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class BaseClass {
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>BaseClass : BaseClass
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static extends<A>(a: A): new () => A & BaseClass;
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>extends : <A>(a: A) => new () => A & BaseClass
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>a : A
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}
20+
export = BaseClass;
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>BaseClass : BaseClass
22+
}
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=== tests/cases/compiler/ExtendedClass.js ===
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define("lib/ExtendedClass", ["deps/BaseClass"],
25+
>define("lib/ExtendedClass", ["deps/BaseClass"], /** * {typeof import("deps/BaseClass")} * @param {typeof import("deps/BaseClass")} BaseClass * @returns */(BaseClass) => { const ExtendedClass = BaseClass.extends({ f: function() { return "something"; } }); // Exports the module in a way tsc recognize class export const module = {}; module.exports = ExtendedClass return module.exports;}) : any
26+
>define : <T = unknown>(name: string, modules: string[], ready: (...modules: unknown[]) => T) => any
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>"lib/ExtendedClass" : "lib/ExtendedClass"
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>["deps/BaseClass"] : string[]
29+
>"deps/BaseClass" : "deps/BaseClass"
30+
31+
/**
32+
* {typeof import("deps/BaseClass")}
33+
* @param {typeof import("deps/BaseClass")} BaseClass
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* @returns
35+
*/
36+
(BaseClass) => {
37+
>(BaseClass) => { const ExtendedClass = BaseClass.extends({ f: function() { return "something"; } }); // Exports the module in a way tsc recognize class export const module = {}; module.exports = ExtendedClass return module.exports;} : (BaseClass: typeof import("deps/BaseClass")) => any
38+
>BaseClass : typeof import("deps/BaseClass")
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40+
const ExtendedClass = BaseClass.extends({
41+
>ExtendedClass : new () => { f: () => "something"; } & import("deps/BaseClass")
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>BaseClass.extends({ f: function() { return "something"; } }) : new () => { f: () => "something"; } & import("deps/BaseClass")
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>BaseClass.extends : <A>(a: A) => new () => A & import("deps/BaseClass")
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>BaseClass : typeof import("deps/BaseClass")
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>extends : <A>(a: A) => new () => A & import("deps/BaseClass")
46+
>{ f: function() { return "something"; } } : { f: () => "something"; }
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f: function() {
49+
>f : () => "something"
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>function() { return "something"; } : () => "something"
51+
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return "something";
53+
>"something" : "something"
54+
}
55+
});
56+
57+
// Exports the module in a way tsc recognize class export
58+
const module = {};
59+
>module : {}
60+
>{} : {}
61+
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module.exports = ExtendedClass
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>module.exports = ExtendedClass : any
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>module.exports : any
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>module : {}
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>exports : any
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>ExtendedClass : new () => { f: () => "something"; } & import("deps/BaseClass")
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return module.exports;
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>module.exports : any
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>module : {}
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>exports : any
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});

‎tests/baselines/reference/importDeclFromTypeNodeInJsSource.types‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,7 @@ declare module "events" {
55
>"events" : typeof import("events")
66

77
namespace EventEmitter {
8-
>EventEmitter : typeof EventEmitter
8+
>EventEmitter : typeof import("events")
99

1010
class EventEmitter {
1111
>EventEmitter : EventEmitter

‎tests/baselines/reference/importTypeAmbient.types‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -13,7 +13,7 @@ declare module "foo" {
1313
>Point : Point
1414
}
1515
const x: import("foo") = { x: 0, y: 0 };
16-
>x : Point
16+
>x : import("foo")
1717
>{ x: 0, y: 0 } : { x: number; y: number; }
1818
>x : number
1919
>0 : 0

‎tests/baselines/reference/incompatibleExports1.types‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -23,7 +23,7 @@ declare module "baz" {
2323
}
2424

2525
module c {
26-
>c : typeof c
26+
>c : typeof import("baz")
2727

2828
export var c: string;
2929
>c : string

‎tests/cases/compiler/amdLikeInputDeclarationEmit.ts‎

Lines changed: 34 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
1+
// @declaration: true
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// @declarationDir: definitions
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// @emitDeclarationOnly: true
4+
// @checkJs: true
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// @allowJs: true
6+
// @filename: typing.d.ts
7+
declare function define<T=unknown>(name: string, modules: string[], ready: (...modules: unknown[]) => T);
8+
// @filename: deps/BaseClass.d.ts
9+
declare module "deps/BaseClass" {
10+
class BaseClass {
11+
static extends<A>(a: A): new () => A & BaseClass;
12+
}
13+
export = BaseClass;
14+
}
15+
// @filename: ExtendedClass.js
16+
define("lib/ExtendedClass", ["deps/BaseClass"],
17+
/**
18+
* {typeof import("deps/BaseClass")}
19+
* @param {typeof import("deps/BaseClass")} BaseClass
20+
* @returns
21+
*/
22+
(BaseClass) => {
23+
24+
const ExtendedClass = BaseClass.extends({
25+
f: function() {
26+
return "something";
27+
}
28+
});
29+
30+
// Exports the module in a way tsc recognize class export
31+
const module = {};
32+
module.exports = ExtendedClass
33+
return module.exports;
34+
});

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