Collect aliases

Author: sheetalkamat

src/compiler/emitter.ts

@@ -848,7 +848,7 @@ export function emitFiles(resolver: EmitResolver, host: EmitHost, targetSourceFi
         const filesForEmit = forceDtsEmit ? sourceFiles : filter(sourceFiles, isSourceFileNotJson);
         // Setup and perform the transformation to retrieve declarations from the input files
         const inputListOrBundle = compilerOptions.outFile ? [factory.createBundle(filesForEmit)] : filesForEmit;
-        if ((emitOnly && !getEmitDeclarations(compilerOptions)) || compilerOptions.noCheck) {
+        if ((emitOnly && !getEmitDeclarations(compilerOptions)) || compilerOptions.noCheck || forceDtsEmit) {
             // Checker wont collect the linked aliases since thats only done when declaration is enabled and checking is performed.
             // Do that here when emitting only dts files
             filesForEmit.forEach(collectLinkedAliases);

tests/baselines/reference/tsbuildWatch/demo/updates-with-bad-reference.js

@@ -556,7 +556,7 @@ Output::
 
 
 //// [/user/username/projects/demo/lib/core/tsconfig.tsbuildinfo]
-{"program":{"fileNames":["../../../../../../a/lib/lib.d.ts","../../animals/animal.ts","../../animals/dog.ts","../../animals/index.ts","../../core/utilities.ts"],"fileInfos":[{"version":"3858781397-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };","affectsGlobalScope":true,"impliedFormat":1},{"version":"-9289341318-export type Size = \"small\" | \"medium\" | \"large\";\nexport default interface Animal {\n    size: Size;\n}\n","impliedFormat":1},{"version":"-18870194049-import Animal from '.';\nimport { makeRandomName } from '../core/utilities';\n\nexport interface Dog extends Animal {\n    woof(): void;\n    name: string;\n}\n\nexport function createDog(): Dog {\n    return ({\n        size: \"medium\",\n        woof: function(this: Dog) {\n            console.log(`${ this.name } says \"Woof\"!`);\n        },\n        name: makeRandomName()\n    });\n}\n","signature":"6032048049-import Animal from '.';\nexport interface Dog extends Animal {\n    woof(): void;\n    name: string;\n}\nexport declare function createDog(): Dog;\n","impliedFormat":1},{"version":"-7220553464-import Animal from './animal';\n\nexport default Animal;\nimport { createDog, Dog } from './dog';\nexport { createDog, Dog };\n","signature":"2198076214-export default Animal;\nexport { createDog, Dog };\n","impliedFormat":1},{"version":"-11321611519-\nimport * as A from '../animals';\nexport function makeRandomName() {\n    return \"Bob!?! \";\n}\n\nexport function lastElementOf<T>(arr: T[]): T | undefined {\n    if (arr.length === 0) return undefined;\n    return arr[arr.length - 1];\n}\n","signature":"-11345568166-export declare function makeRandomName(): string;\nexport declare function lastElementOf<T>(arr: T[]): T | undefined;\n","impliedFormat":1}],"root":[5],"options":{"composite":true,"declaration":true,"module":1,"noFallthroughCasesInSwitch":true,"noImplicitReturns":true,"noUnusedLocals":true,"noUnusedParameters":true,"outDir":"./","rootDir":"../../core","strict":true,"target":1},"fileIdsList":[[4,5],[2,3],[4]],"referencedMap":[[3,1],[4,2],[5,3]],"semanticDiagnosticsPerFile":[1,2,3,4,[5,[{"file":"../../core/utilities.ts","start":1,"length":32,"messageText":"'A' is declared but its value is never read.","category":1,"code":6133,"reportsUnnecessary":true}]]],"affectedFilesPendingEmit":[2,3,4,5],"emitSignatures":[2,3,4,5]},"version":"FakeTSVersion"}
+{"program":{"fileNames":["../../../../../../a/lib/lib.d.ts","../../animals/animal.ts","../../animals/dog.ts","../../animals/index.ts","../../core/utilities.ts"],"fileInfos":[{"version":"3858781397-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };","affectsGlobalScope":true,"impliedFormat":1},{"version":"-9289341318-export type Size = \"small\" | \"medium\" | \"large\";\nexport default interface Animal {\n    size: Size;\n}\n","impliedFormat":1},{"version":"-18870194049-import Animal from '.';\nimport { makeRandomName } from '../core/utilities';\n\nexport interface Dog extends Animal {\n    woof(): void;\n    name: string;\n}\n\nexport function createDog(): Dog {\n    return ({\n        size: \"medium\",\n        woof: function(this: Dog) {\n            console.log(`${ this.name } says \"Woof\"!`);\n        },\n        name: makeRandomName()\n    });\n}\n","signature":"6032048049-import Animal from '.';\nexport interface Dog extends Animal {\n    woof(): void;\n    name: string;\n}\nexport declare function createDog(): Dog;\n","impliedFormat":1},{"version":"-7220553464-import Animal from './animal';\n\nexport default Animal;\nimport { createDog, Dog } from './dog';\nexport { createDog, Dog };\n","signature":"1096904574-import Animal from './animal';\nexport default Animal;\nimport { createDog, Dog } from './dog';\nexport { createDog, Dog };\n","impliedFormat":1},{"version":"-11321611519-\nimport * as A from '../animals';\nexport function makeRandomName() {\n    return \"Bob!?! \";\n}\n\nexport function lastElementOf<T>(arr: T[]): T | undefined {\n    if (arr.length === 0) return undefined;\n    return arr[arr.length - 1];\n}\n","signature":"-11345568166-export declare function makeRandomName(): string;\nexport declare function lastElementOf<T>(arr: T[]): T | undefined;\n","impliedFormat":1}],"root":[5],"options":{"composite":true,"declaration":true,"module":1,"noFallthroughCasesInSwitch":true,"noImplicitReturns":true,"noUnusedLocals":true,"noUnusedParameters":true,"outDir":"./","rootDir":"../../core","strict":true,"target":1},"fileIdsList":[[4,5],[2,3],[4]],"referencedMap":[[3,1],[4,2],[5,3]],"semanticDiagnosticsPerFile":[1,2,3,4,[5,[{"file":"../../core/utilities.ts","start":1,"length":32,"messageText":"'A' is declared but its value is never read.","category":1,"code":6133,"reportsUnnecessary":true}]]],"affectedFilesPendingEmit":[2,3,4,5],"emitSignatures":[2,3,4,5]},"version":"FakeTSVersion"}
 
 //// [/user/username/projects/demo/lib/core/tsconfig.tsbuildinfo.readable.baseline.txt]
 {
@@ -615,11 +615,11 @@ Output::
       "../../animals/index.ts": {
         "original": {
           "version": "-7220553464-import Animal from './animal';\n\nexport default Animal;\nimport { createDog, Dog } from './dog';\nexport { createDog, Dog };\n",
-          "signature": "2198076214-export default Animal;\nexport { createDog, Dog };\n",
+          "signature": "1096904574-import Animal from './animal';\nexport default Animal;\nimport { createDog, Dog } from './dog';\nexport { createDog, Dog };\n",
           "impliedFormat": 1
         },
         "version": "-7220553464-import Animal from './animal';\n\nexport default Animal;\nimport { createDog, Dog } from './dog';\nexport { createDog, Dog };\n",
-        "signature": "2198076214-export default Animal;\nexport { createDog, Dog };\n",
+        "signature": "1096904574-import Animal from './animal';\nexport default Animal;\nimport { createDog, Dog } from './dog';\nexport { createDog, Dog };\n",
         "impliedFormat": "commonjs"
       },
       "../../core/utilities.ts": {
@@ -711,7 +711,7 @@ Output::
     ]
   },
   "version": "FakeTSVersion",
-  "size": 2739
+  "size": 2812
 }