From 5b3bc60465b748f3a923209975924fd675f6fc87 Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Wed, 15 Jul 2020 14:00:01 -0700
Subject: [PATCH 1/3] Add tests corresponding to repro from #37928

---
 src/testRunner/tsconfig.json                  |   1 +
 .../unittests/tsbuild/declarationEmit.ts      |  93 ++++++++
 ...d-through-triple-slash-and-uses-baseUrl.js | 209 +++++++++++++++++
 ...ugh-triple-slash-but-uses-no-references.js | 175 ++++++++++++++
 ...file-is-referenced-through-triple-slash.js | 214 ++++++++++++++++++
 5 files changed, 692 insertions(+)
 create mode 100644 src/testRunner/unittests/tsbuild/declarationEmit.ts
 create mode 100644 tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-and-uses-baseUrl.js
 create mode 100644 tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-but-uses-no-references.js
 create mode 100644 tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash.js

diff --git a/src/testRunner/tsconfig.json b/src/testRunner/tsconfig.json
index 00764792e70ac..8b0123e1ef9be 100644
--- a/src/testRunner/tsconfig.json
+++ b/src/testRunner/tsconfig.json
@@ -110,6 +110,7 @@
         "unittests/tsbuild/amdModulesWithOut.ts",
         "unittests/tsbuild/configFileErrors.ts",
         "unittests/tsbuild/containerOnlyReferenced.ts",
+        "unittests/tsbuild/declarationEmit.ts",
         "unittests/tsbuild/demo.ts",
         "unittests/tsbuild/emitDeclarationOnly.ts",
         "unittests/tsbuild/emptyFiles.ts",
diff --git a/src/testRunner/unittests/tsbuild/declarationEmit.ts b/src/testRunner/unittests/tsbuild/declarationEmit.ts
new file mode 100644
index 0000000000000..35c1c7eaf4ec8
--- /dev/null
+++ b/src/testRunner/unittests/tsbuild/declarationEmit.ts
@@ -0,0 +1,93 @@
+namespace ts {
+    describe("unittests:: tsbuild:: declarationEmit", () => {
+        function getFiles(): vfs.FileSet {
+            return {
+                "/src/solution/tsconfig.base.json": JSON.stringify({
+                    compilerOptions: {
+                        rootDir: "./",
+                        outDir: "lib"
+                    }
+                }),
+                "/src/solution/tsconfig.json": JSON.stringify({
+                    compilerOptions: { composite: true },
+                    references: [{ path: "./src" }],
+                    include: []
+                }),
+                "/src/solution/src/tsconfig.json": JSON.stringify({
+                    compilerOptions: { composite: true },
+                    references: [{ path: "./subProject" }, { path: "./subProject2" }],
+                    include: []
+                }),
+                "/src/solution/src/subProject/tsconfig.json": JSON.stringify({
+                    extends: "../../tsconfig.base.json",
+                    compilerOptions: { composite: true },
+                    references: [{ path: "../common" }],
+                    include: ["./index.ts"]
+                }),
+                "/src/solution/src/subProject/index.ts": Utils.dedent`
+import { Nominal } from '../common/nominal';
+export type MyNominal = Nominal<string, 'MyNominal'>;`,
+                "/src/solution/src/subProject2/tsconfig.json": JSON.stringify({
+                    extends: "../../tsconfig.base.json",
+                    compilerOptions: { composite: true },
+                    references: [{ path: "../subProject" }],
+                    include: ["./index.ts"]
+                }),
+                "/src/solution/src/subProject2/index.ts": Utils.dedent`
+import { MyNominal } from '../subProject/index';
+const variable = {
+    key: 'value' as MyNominal,
+};
+export function getVar(): keyof typeof variable {
+    return 'key';
+}`,
+                "/src/solution/src/common/tsconfig.json": JSON.stringify({
+                    extends: "../../tsconfig.base.json",
+                    compilerOptions: { composite: true },
+                    include: ["./nominal.ts"]
+                }),
+                "/src/solution/src/common/nominal.ts": Utils.dedent`
+/// <reference path="./types.d.ts" />
+export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;`,
+                "/src/solution/src/common/types.d.ts": Utils.dedent`
+declare type MyNominal<T, Name extends string> = T & {
+    specialKey: Name;
+};`,
+            };
+        }
+        verifyTsc({
+            scenario: "declarationEmit",
+            subScenario: "when declaration file is referenced through triple slash",
+            fs: () => loadProjectFromFiles(getFiles()),
+            commandLineArgs: ["--b", "/src/solution/tsconfig.json", "--verbose"]
+        });
+
+        verifyTsc({
+            scenario: "declarationEmit",
+            subScenario: "when declaration file is referenced through triple slash and uses baseUrl",
+            fs: () => loadProjectFromFiles({
+                ...getFiles(),
+                "/src/solution/src/common/tsconfig.json": JSON.stringify({
+                    extends: "../../tsconfig.base.json",
+                    compilerOptions: { composite: true, baseUrl: "./" },
+                    include: ["./nominal.ts"]
+                }),
+            }),
+            commandLineArgs: ["--b", "/src/solution/tsconfig.json", "--verbose"]
+        });
+
+        verifyTsc({
+            scenario: "declarationEmit",
+            subScenario: "when declaration file is referenced through triple slash but uses no references",
+            fs: () => loadProjectFromFiles({
+                ...getFiles(),
+                "/src/solution/tsconfig.json": JSON.stringify({
+                    extends: "./tsconfig.base.json",
+                    compilerOptions: { composite: true },
+                    include: ["./src/**/*.ts"]
+                }),
+            }),
+            commandLineArgs: ["--b", "/src/solution/tsconfig.json", "--verbose"]
+        });
+    });
+}
diff --git a/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-and-uses-baseUrl.js b/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-and-uses-baseUrl.js
new file mode 100644
index 0000000000000..ea303b1df363e
--- /dev/null
+++ b/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-and-uses-baseUrl.js
@@ -0,0 +1,209 @@
+Input::
+//// [/lib/lib.d.ts]
+/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+declare const console: { log(msg: any): void; };
+
+//// [/src/solution/src/common/nominal.ts]
+/// <reference path="./types.d.ts" />
+export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
+
+//// [/src/solution/src/common/tsconfig.json]
+{"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true,"baseUrl":"./"},"include":["./nominal.ts"]}
+
+//// [/src/solution/src/common/types.d.ts]
+declare type MyNominal<T, Name extends string> = T & {
+    specialKey: Name;
+};
+
+//// [/src/solution/src/subProject/index.ts]
+import { Nominal } from '../common/nominal';
+export type MyNominal = Nominal<string, 'MyNominal'>;
+
+//// [/src/solution/src/subProject/tsconfig.json]
+{"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true},"references":[{"path":"../common"}],"include":["./index.ts"]}
+
+//// [/src/solution/src/subProject2/index.ts]
+
+
+//// [/src/solution/src/subProject2/tsconfig.json]
+{"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true},"references":[{"path":"../subProject"}],"include":["./index.ts"]}
+
+//// [/src/solution/src/tsconfig.json]
+{"compilerOptions":{"composite":true},"references":[{"path":"./subProject"},{"path":"./subProject2"}],"include":[]}
+
+//// [/src/solution/tsconfig.base.json]
+{"compilerOptions":{"rootDir":"./","outDir":"lib"}}
+
+//// [/src/solution/tsconfig.json]
+{"compilerOptions":{"composite":true},"references":[{"path":"./src"}],"include":[]}
+
+
+
+Output::
+/lib/tsc --b /src/solution/tsconfig.json --verbose
+[12:00:00 AM] Projects in this build: 
+    * src/solution/src/common/tsconfig.json
+    * src/solution/src/subProject/tsconfig.json
+    * src/solution/src/subProject2/tsconfig.json
+    * src/solution/src/tsconfig.json
+    * src/solution/tsconfig.json
+
+[12:00:00 AM] Project 'src/solution/src/common/tsconfig.json' is out of date because output file 'src/solution/lib/src/common/nominal.js' does not exist
+
+[12:00:00 AM] Building project '/src/solution/src/common/tsconfig.json'...
+
+[12:00:00 AM] Project 'src/solution/src/subProject/tsconfig.json' is out of date because output file 'src/solution/lib/src/subProject/index.js' does not exist
+
+[12:00:00 AM] Building project '/src/solution/src/subProject/tsconfig.json'...
+
+src/solution/lib/src/common/nominal.d.ts:2:55 - error TS2304: Cannot find name 'MyNominal'.
+
+2 export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
+                                                        ~~~~~~~~~
+
+src/solution/lib/src/common/nominal.d.ts:1:23 - error TS2688: Cannot find type definition file for 'types'.
+
+1 /// <reference types="types" />
+                        ~~~~~
+
+[12:00:00 AM] Project 'src/solution/src/subProject2/tsconfig.json' can't be built because its dependency 'src/solution/src/subProject' has errors
+
+[12:00:00 AM] Skipping build of project '/src/solution/src/subProject2/tsconfig.json' because its dependency '/src/solution/src/subProject' has errors
+
+
+Found 2 errors.
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsGenerated
+
+
+//// [/src/solution/lib/src/common/nominal.d.ts]
+/// <reference types="types" />
+export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
+
+
+//// [/src/solution/lib/src/common/nominal.js]
+"use strict";
+exports.__esModule = true;
+/// <reference path="./types.d.ts" />
+
+
+//// [/src/solution/lib/src/common/tsconfig.tsbuildinfo]
+{
+  "program": {
+    "fileInfos": {
+      "../../../../../lib/lib.d.ts": {
+        "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; };",
+        "signature": "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
+      },
+      "../../../src/common/types.d.ts": {
+        "version": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
+        "signature": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
+        "affectsGlobalScope": true
+      },
+      "../../../src/common/nominal.ts": {
+        "version": "4107369137-/// <reference path=\"./types.d.ts\" />\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;",
+        "signature": "-2060908103-/// <reference types=\"types\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
+        "affectsGlobalScope": false
+      }
+    },
+    "options": {
+      "rootDir": "../../..",
+      "outDir": "../..",
+      "composite": true,
+      "baseUrl": "../../../src/common",
+      "configFilePath": "../../../src/common/tsconfig.json"
+    },
+    "referencedMap": {
+      "../../../src/common/nominal.ts": [
+        "../../../src/common/types.d.ts"
+      ]
+    },
+    "exportedModulesMap": {},
+    "semanticDiagnosticsPerFile": [
+      "../../../../../lib/lib.d.ts",
+      "../../../src/common/nominal.ts",
+      "../../../src/common/types.d.ts"
+    ]
+  },
+  "version": "FakeTSVersion"
+}
+
+//// [/src/solution/lib/src/subProject/tsconfig.tsbuildinfo]
+{
+  "program": {
+    "fileInfos": {
+      "../../../../../lib/lib.d.ts": {
+        "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; };",
+        "signature": "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
+      },
+      "../common/nominal.d.ts": {
+        "version": "-2060908103-/// <reference types=\"types\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
+        "signature": "-2060908103-/// <reference types=\"types\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
+        "affectsGlobalScope": false
+      },
+      "../../../src/subproject/index.ts": {
+        "version": "-25117049605-import { Nominal } from '../common/nominal';\nexport type MyNominal = Nominal<string, 'MyNominal'>;",
+        "signature": "-21416888433-import { Nominal } from '../common/nominal';\r\nexport declare type MyNominal = Nominal<string, 'MyNominal'>;\r\n",
+        "affectsGlobalScope": false
+      }
+    },
+    "options": {
+      "rootDir": "../../..",
+      "outDir": "../..",
+      "composite": true,
+      "configFilePath": "../../../src/subProject/tsconfig.json"
+    },
+    "referencedMap": {
+      "../../../src/subproject/index.ts": [
+        "../common/nominal.d.ts"
+      ]
+    },
+    "exportedModulesMap": {
+      "../../../src/subproject/index.ts": [
+        "../common/nominal.d.ts"
+      ]
+    },
+    "semanticDiagnosticsPerFile": [
+      "../../../../../lib/lib.d.ts",
+      [
+        "../common/nominal.d.ts",
+        [
+          {
+            "file": "../common/nominal.d.ts",
+            "start": 87,
+            "length": 9,
+            "messageText": "Cannot find name 'MyNominal'.",
+            "category": 1,
+            "code": 2304
+          }
+        ]
+      ],
+      "../../../src/subproject/index.ts"
+    ],
+    "affectedFilesPendingEmit": [
+      [
+        "../common/nominal.d.ts",
+        1
+      ],
+      [
+        "../../../src/subproject/index.ts",
+        1
+      ]
+    ]
+  },
+  "version": "FakeTSVersion"
+}
+
diff --git a/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-but-uses-no-references.js b/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-but-uses-no-references.js
new file mode 100644
index 0000000000000..1505191c5bd2b
--- /dev/null
+++ b/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-but-uses-no-references.js
@@ -0,0 +1,175 @@
+Input::
+//// [/lib/lib.d.ts]
+/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+declare const console: { log(msg: any): void; };
+
+//// [/src/solution/src/common/nominal.ts]
+/// <reference path="./types.d.ts" />
+export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
+
+//// [/src/solution/src/common/tsconfig.json]
+
+
+//// [/src/solution/src/common/types.d.ts]
+declare type MyNominal<T, Name extends string> = T & {
+    specialKey: Name;
+};
+
+//// [/src/solution/src/subProject/index.ts]
+import { Nominal } from '../common/nominal';
+export type MyNominal = Nominal<string, 'MyNominal'>;
+
+//// [/src/solution/src/subProject/tsconfig.json]
+
+
+//// [/src/solution/src/subProject2/index.ts]
+import { MyNominal } from '../subProject/index';
+const variable = {
+    key: 'value' as MyNominal,
+};
+export function getVar(): keyof typeof variable {
+    return 'key';
+}
+
+//// [/src/solution/src/subProject2/tsconfig.json]
+
+
+//// [/src/solution/src/tsconfig.json]
+
+
+//// [/src/solution/tsconfig.base.json]
+{"compilerOptions":{"rootDir":"./","outDir":"lib"}}
+
+//// [/src/solution/tsconfig.json]
+{"extends":"./tsconfig.base.json","compilerOptions":{"composite":true},"include":["./src/**/*.ts"]}
+
+
+
+Output::
+/lib/tsc --b /src/solution/tsconfig.json --verbose
+[12:00:00 AM] Projects in this build: 
+    * src/solution/tsconfig.json
+
+[12:00:00 AM] Project 'src/solution/tsconfig.json' is out of date because output file 'src/solution/lib/src/common/nominal.js' does not exist
+
+[12:00:00 AM] Building project '/src/solution/tsconfig.json'...
+
+exitCode:: ExitStatus.Success
+
+
+//// [/src/solution/lib/src/common/nominal.d.ts]
+/// <reference path="../../../src/common/types.d.ts" />
+export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
+
+
+//// [/src/solution/lib/src/common/nominal.js]
+"use strict";
+exports.__esModule = true;
+/// <reference path="./types.d.ts" />
+
+
+//// [/src/solution/lib/src/subProject/index.d.ts]
+import { Nominal } from '../common/nominal';
+export declare type MyNominal = Nominal<string, 'MyNominal'>;
+
+
+//// [/src/solution/lib/src/subProject/index.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/src/solution/lib/src/subProject2/index.d.ts]
+declare const variable: {
+    key: globalThis.MyNominal<string, "MyNominal">;
+};
+export declare function getVar(): keyof typeof variable;
+export {};
+
+
+//// [/src/solution/lib/src/subProject2/index.js]
+"use strict";
+exports.__esModule = true;
+exports.getVar = void 0;
+var variable = {
+    key: 'value'
+};
+function getVar() {
+    return 'key';
+}
+exports.getVar = getVar;
+
+
+//// [/src/solution/lib/tsconfig.tsbuildinfo]
+{
+  "program": {
+    "fileInfos": {
+      "../../../lib/lib.d.ts": {
+        "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; };",
+        "signature": "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
+      },
+      "../src/common/types.d.ts": {
+        "version": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
+        "signature": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
+        "affectsGlobalScope": true
+      },
+      "../src/common/nominal.ts": {
+        "version": "4107369137-/// <reference path=\"./types.d.ts\" />\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;",
+        "signature": "-18894149496-/// <reference path=\"../../../src/common/types.d.ts\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
+        "affectsGlobalScope": false
+      },
+      "../src/subproject/index.ts": {
+        "version": "-25117049605-import { Nominal } from '../common/nominal';\nexport type MyNominal = Nominal<string, 'MyNominal'>;",
+        "signature": "-21416888433-import { Nominal } from '../common/nominal';\r\nexport declare type MyNominal = Nominal<string, 'MyNominal'>;\r\n",
+        "affectsGlobalScope": false
+      },
+      "../src/subproject2/index.ts": {
+        "version": "2747033208-import { MyNominal } from '../subProject/index';\nconst variable = {\n    key: 'value' as MyNominal,\n};\nexport function getVar(): keyof typeof variable {\n    return 'key';\n}",
+        "signature": "-448645961-declare const variable: {\r\n    key: globalThis.MyNominal<string, \"MyNominal\">;\r\n};\r\nexport declare function getVar(): keyof typeof variable;\r\nexport {};\r\n",
+        "affectsGlobalScope": false
+      }
+    },
+    "options": {
+      "rootDir": "..",
+      "outDir": "./",
+      "composite": true,
+      "configFilePath": "../tsconfig.json"
+    },
+    "referencedMap": {
+      "../src/common/nominal.ts": [
+        "../src/common/types.d.ts"
+      ],
+      "../src/subproject/index.ts": [
+        "../src/common/nominal.ts"
+      ],
+      "../src/subproject2/index.ts": [
+        "../src/subproject/index.ts"
+      ]
+    },
+    "exportedModulesMap": {
+      "../src/subproject/index.ts": [
+        "../src/common/nominal.ts"
+      ]
+    },
+    "semanticDiagnosticsPerFile": [
+      "../../../lib/lib.d.ts",
+      "../src/common/nominal.ts",
+      "../src/common/types.d.ts",
+      "../src/subproject/index.ts",
+      "../src/subproject2/index.ts"
+    ]
+  },
+  "version": "FakeTSVersion"
+}
+
diff --git a/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash.js b/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash.js
new file mode 100644
index 0000000000000..64de0ecb5790d
--- /dev/null
+++ b/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash.js
@@ -0,0 +1,214 @@
+Input::
+//// [/lib/lib.d.ts]
+/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+declare const console: { log(msg: any): void; };
+
+//// [/src/solution/src/common/nominal.ts]
+/// <reference path="./types.d.ts" />
+export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
+
+//// [/src/solution/src/common/tsconfig.json]
+{"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true},"include":["./nominal.ts"]}
+
+//// [/src/solution/src/common/types.d.ts]
+declare type MyNominal<T, Name extends string> = T & {
+    specialKey: Name;
+};
+
+//// [/src/solution/src/subProject/index.ts]
+import { Nominal } from '../common/nominal';
+export type MyNominal = Nominal<string, 'MyNominal'>;
+
+//// [/src/solution/src/subProject/tsconfig.json]
+{"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true},"references":[{"path":"../common"}],"include":["./index.ts"]}
+
+//// [/src/solution/src/subProject2/index.ts]
+
+
+//// [/src/solution/src/subProject2/tsconfig.json]
+{"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true},"references":[{"path":"../subProject"}],"include":["./index.ts"]}
+
+//// [/src/solution/src/tsconfig.json]
+{"compilerOptions":{"composite":true},"references":[{"path":"./subProject"},{"path":"./subProject2"}],"include":[]}
+
+//// [/src/solution/tsconfig.base.json]
+{"compilerOptions":{"rootDir":"./","outDir":"lib"}}
+
+//// [/src/solution/tsconfig.json]
+{"compilerOptions":{"composite":true},"references":[{"path":"./src"}],"include":[]}
+
+
+
+Output::
+/lib/tsc --b /src/solution/tsconfig.json --verbose
+[12:00:00 AM] Projects in this build: 
+    * src/solution/src/common/tsconfig.json
+    * src/solution/src/subProject/tsconfig.json
+    * src/solution/src/subProject2/tsconfig.json
+    * src/solution/src/tsconfig.json
+    * src/solution/tsconfig.json
+
+[12:00:00 AM] Project 'src/solution/src/common/tsconfig.json' is out of date because output file 'src/solution/lib/src/common/nominal.js' does not exist
+
+[12:00:00 AM] Building project '/src/solution/src/common/tsconfig.json'...
+
+[12:00:00 AM] Project 'src/solution/src/subProject/tsconfig.json' is out of date because output file 'src/solution/lib/src/subProject/index.js' does not exist
+
+[12:00:00 AM] Building project '/src/solution/src/subProject/tsconfig.json'...
+
+src/solution/lib/src/common/nominal.d.ts:2:55 - error TS2304: Cannot find name 'MyNominal'.
+
+2 export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
+                                                        ~~~~~~~~~
+
+src/solution/lib/src/common/nominal.d.ts:1:22 - error TS6053: File '/src/src/common/types.d.ts' not found.
+
+1 /// <reference path="../../../src/common/types.d.ts" />
+                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+[12:00:00 AM] Project 'src/solution/src/subProject2/tsconfig.json' can't be built because its dependency 'src/solution/src/subProject' has errors
+
+[12:00:00 AM] Skipping build of project '/src/solution/src/subProject2/tsconfig.json' because its dependency '/src/solution/src/subProject' has errors
+
+
+Found 2 errors.
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsGenerated
+
+
+//// [/src/solution/lib/src/common/nominal.d.ts]
+/// <reference path="../../../src/common/types.d.ts" />
+export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
+
+
+//// [/src/solution/lib/src/common/nominal.js]
+"use strict";
+exports.__esModule = true;
+/// <reference path="./types.d.ts" />
+
+
+//// [/src/solution/lib/src/common/tsconfig.tsbuildinfo]
+{
+  "program": {
+    "fileInfos": {
+      "../../../../../lib/lib.d.ts": {
+        "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; };",
+        "signature": "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
+      },
+      "../../../src/common/types.d.ts": {
+        "version": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
+        "signature": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
+        "affectsGlobalScope": true
+      },
+      "../../../src/common/nominal.ts": {
+        "version": "4107369137-/// <reference path=\"./types.d.ts\" />\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;",
+        "signature": "-18894149496-/// <reference path=\"../../../src/common/types.d.ts\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
+        "affectsGlobalScope": false
+      }
+    },
+    "options": {
+      "rootDir": "../../..",
+      "outDir": "../..",
+      "composite": true,
+      "configFilePath": "../../../src/common/tsconfig.json"
+    },
+    "referencedMap": {
+      "../../../src/common/nominal.ts": [
+        "../../../src/common/types.d.ts"
+      ]
+    },
+    "exportedModulesMap": {},
+    "semanticDiagnosticsPerFile": [
+      "../../../../../lib/lib.d.ts",
+      "../../../src/common/nominal.ts",
+      "../../../src/common/types.d.ts"
+    ]
+  },
+  "version": "FakeTSVersion"
+}
+
+//// [/src/solution/lib/src/subProject/tsconfig.tsbuildinfo]
+{
+  "program": {
+    "fileInfos": {
+      "../../../../../lib/lib.d.ts": {
+        "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; };",
+        "signature": "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
+      },
+      "../common/nominal.d.ts": {
+        "version": "-18894149496-/// <reference path=\"../../../src/common/types.d.ts\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
+        "signature": "-18894149496-/// <reference path=\"../../../src/common/types.d.ts\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
+        "affectsGlobalScope": false
+      },
+      "../../../src/subproject/index.ts": {
+        "version": "-25117049605-import { Nominal } from '../common/nominal';\nexport type MyNominal = Nominal<string, 'MyNominal'>;",
+        "signature": "-21416888433-import { Nominal } from '../common/nominal';\r\nexport declare type MyNominal = Nominal<string, 'MyNominal'>;\r\n",
+        "affectsGlobalScope": false
+      }
+    },
+    "options": {
+      "rootDir": "../../..",
+      "outDir": "../..",
+      "composite": true,
+      "configFilePath": "../../../src/subProject/tsconfig.json"
+    },
+    "referencedMap": {
+      "../common/nominal.d.ts": [
+        "../../../src/common/types.d.ts"
+      ],
+      "../../../src/subproject/index.ts": [
+        "../common/nominal.d.ts"
+      ]
+    },
+    "exportedModulesMap": {
+      "../common/nominal.d.ts": [
+        "../../../src/common/types.d.ts"
+      ],
+      "../../../src/subproject/index.ts": [
+        "../common/nominal.d.ts"
+      ]
+    },
+    "semanticDiagnosticsPerFile": [
+      "../../../../../lib/lib.d.ts",
+      [
+        "../common/nominal.d.ts",
+        [
+          {
+            "file": "../common/nominal.d.ts",
+            "start": 111,
+            "length": 9,
+            "messageText": "Cannot find name 'MyNominal'.",
+            "category": 1,
+            "code": 2304
+          }
+        ]
+      ],
+      "../../../src/subproject/index.ts"
+    ],
+    "affectedFilesPendingEmit": [
+      [
+        "../common/nominal.d.ts",
+        1
+      ],
+      [
+        "../../../src/subproject/index.ts",
+        1
+      ]
+    ]
+  },
+  "version": "FakeTSVersion"
+}
+

From 6505a1d06656c273602bc25b0171ff5f05d48c10 Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Wed, 15 Jul 2020 14:41:33 -0700
Subject: [PATCH 2/3] Triple slash references must resolve against the resolved
 file name (.d.ts and not original source file) since they are rewritten in
 the .d.ts emit

---
 src/compiler/checker.ts                       |   2 +-
 src/compiler/program.ts                       |   2 +-
 ...file-is-referenced-through-triple-slash.js | 150 +++++++++++++-----
 3 files changed, 114 insertions(+), 40 deletions(-)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index e0dea081f67e8..815b29454fd4b 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -37470,7 +37470,7 @@ namespace ts {
                 if (fileToDirective.has(file.path)) return;
                 fileToDirective.set(file.path, key);
                 for (const { fileName } of file.referencedFiles) {
-                    const resolvedFile = resolveTripleslashReference(fileName, file.originalFileName);
+                    const resolvedFile = resolveTripleslashReference(fileName, file.fileName);
                     const referencedFile = host.getSourceFile(resolvedFile);
                     if (referencedFile) {
                         addReferencedFilesToTypeDirective(referencedFile, key);
diff --git a/src/compiler/program.ts b/src/compiler/program.ts
index 7ac32c14a7e3d..132938d5fb8c7 100644
--- a/src/compiler/program.ts
+++ b/src/compiler/program.ts
@@ -2667,7 +2667,7 @@ namespace ts {
                 return;
             }
             forEach(file.referencedFiles, (ref, index) => {
-                const referencedFileName = resolveTripleslashReference(ref.fileName, file.originalFileName);
+                const referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName);
                 processSourceFile(
                     referencedFileName,
                     isDefaultLib,
diff --git a/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash.js b/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash.js
index 64de0ecb5790d..b7d7dd16ac6b4 100644
--- a/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash.js
+++ b/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash.js
@@ -34,7 +34,13 @@ export type MyNominal = Nominal<string, 'MyNominal'>;
 {"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true},"references":[{"path":"../common"}],"include":["./index.ts"]}
 
 //// [/src/solution/src/subProject2/index.ts]
-
+import { MyNominal } from '../subProject/index';
+const variable = {
+    key: 'value' as MyNominal,
+};
+export function getVar(): keyof typeof variable {
+    return 'key';
+}
 
 //// [/src/solution/src/subProject2/tsconfig.json]
 {"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true},"references":[{"path":"../subProject"}],"include":["./index.ts"]}
@@ -67,24 +73,11 @@ Output::
 
 [12:00:00 AM] Building project '/src/solution/src/subProject/tsconfig.json'...
 
-src/solution/lib/src/common/nominal.d.ts:2:55 - error TS2304: Cannot find name 'MyNominal'.
-
-2 export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
-                                                        ~~~~~~~~~
-
-src/solution/lib/src/common/nominal.d.ts:1:22 - error TS6053: File '/src/src/common/types.d.ts' not found.
-
-1 /// <reference path="../../../src/common/types.d.ts" />
-                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[12:00:00 AM] Project 'src/solution/src/subProject2/tsconfig.json' is out of date because output file 'src/solution/lib/src/subProject2/index.js' does not exist
 
-[12:00:00 AM] Project 'src/solution/src/subProject2/tsconfig.json' can't be built because its dependency 'src/solution/src/subProject' has errors
+[12:00:00 AM] Building project '/src/solution/src/subProject2/tsconfig.json'...
 
-[12:00:00 AM] Skipping build of project '/src/solution/src/subProject2/tsconfig.json' because its dependency '/src/solution/src/subProject' has errors
-
-
-Found 2 errors.
-
-exitCode:: ExitStatus.DiagnosticsPresent_OutputsGenerated
+exitCode:: ExitStatus.Success
 
 
 //// [/src/solution/lib/src/common/nominal.d.ts]
@@ -139,6 +132,16 @@ exports.__esModule = true;
   "version": "FakeTSVersion"
 }
 
+//// [/src/solution/lib/src/subProject/index.d.ts]
+import { Nominal } from '../common/nominal';
+export declare type MyNominal = Nominal<string, 'MyNominal'>;
+
+
+//// [/src/solution/lib/src/subProject/index.js]
+"use strict";
+exports.__esModule = true;
+
+
 //// [/src/solution/lib/src/subProject/tsconfig.tsbuildinfo]
 {
   "program": {
@@ -148,6 +151,11 @@ exports.__esModule = true;
         "signature": "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
       },
+      "../../../src/common/types.d.ts": {
+        "version": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
+        "signature": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
+        "affectsGlobalScope": true
+      },
       "../common/nominal.d.ts": {
         "version": "-18894149496-/// <reference path=\"../../../src/common/types.d.ts\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
         "signature": "-18894149496-/// <reference path=\"../../../src/common/types.d.ts\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
@@ -183,30 +191,96 @@ exports.__esModule = true;
     },
     "semanticDiagnosticsPerFile": [
       "../../../../../lib/lib.d.ts",
-      [
-        "../common/nominal.d.ts",
-        [
-          {
-            "file": "../common/nominal.d.ts",
-            "start": 111,
-            "length": 9,
-            "messageText": "Cannot find name 'MyNominal'.",
-            "category": 1,
-            "code": 2304
-          }
-        ]
-      ],
+      "../common/nominal.d.ts",
+      "../../../src/common/types.d.ts",
       "../../../src/subproject/index.ts"
-    ],
-    "affectedFilesPendingEmit": [
-      [
-        "../common/nominal.d.ts",
-        1
+    ]
+  },
+  "version": "FakeTSVersion"
+}
+
+//// [/src/solution/lib/src/subProject2/index.d.ts]
+declare const variable: {
+    key: globalThis.MyNominal<string, "MyNominal">;
+};
+export declare function getVar(): keyof typeof variable;
+export {};
+
+
+//// [/src/solution/lib/src/subProject2/index.js]
+"use strict";
+exports.__esModule = true;
+exports.getVar = void 0;
+var variable = {
+    key: 'value'
+};
+function getVar() {
+    return 'key';
+}
+exports.getVar = getVar;
+
+
+//// [/src/solution/lib/src/subProject2/tsconfig.tsbuildinfo]
+{
+  "program": {
+    "fileInfos": {
+      "../../../../../lib/lib.d.ts": {
+        "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; };",
+        "signature": "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
+      },
+      "../../../src/common/types.d.ts": {
+        "version": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
+        "signature": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
+        "affectsGlobalScope": true
+      },
+      "../common/nominal.d.ts": {
+        "version": "-18894149496-/// <reference path=\"../../../src/common/types.d.ts\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
+        "signature": "-18894149496-/// <reference path=\"../../../src/common/types.d.ts\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
+        "affectsGlobalScope": false
+      },
+      "../subproject/index.d.ts": {
+        "version": "-21416888433-import { Nominal } from '../common/nominal';\r\nexport declare type MyNominal = Nominal<string, 'MyNominal'>;\r\n",
+        "signature": "-21416888433-import { Nominal } from '../common/nominal';\r\nexport declare type MyNominal = Nominal<string, 'MyNominal'>;\r\n",
+        "affectsGlobalScope": false
+      },
+      "../../../src/subproject2/index.ts": {
+        "version": "2747033208-import { MyNominal } from '../subProject/index';\nconst variable = {\n    key: 'value' as MyNominal,\n};\nexport function getVar(): keyof typeof variable {\n    return 'key';\n}",
+        "signature": "-448645961-declare const variable: {\r\n    key: globalThis.MyNominal<string, \"MyNominal\">;\r\n};\r\nexport declare function getVar(): keyof typeof variable;\r\nexport {};\r\n",
+        "affectsGlobalScope": false
+      }
+    },
+    "options": {
+      "rootDir": "../../..",
+      "outDir": "../..",
+      "composite": true,
+      "configFilePath": "../../../src/subProject2/tsconfig.json"
+    },
+    "referencedMap": {
+      "../common/nominal.d.ts": [
+        "../../../src/common/types.d.ts"
       ],
-      [
-        "../../../src/subproject/index.ts",
-        1
+      "../subproject/index.d.ts": [
+        "../common/nominal.d.ts"
+      ],
+      "../../../src/subproject2/index.ts": [
+        "../subproject/index.d.ts"
       ]
+    },
+    "exportedModulesMap": {
+      "../common/nominal.d.ts": [
+        "../../../src/common/types.d.ts"
+      ],
+      "../subproject/index.d.ts": [
+        "../common/nominal.d.ts"
+      ]
+    },
+    "semanticDiagnosticsPerFile": [
+      "../../../../../lib/lib.d.ts",
+      "../common/nominal.d.ts",
+      "../subproject/index.d.ts",
+      "../../../src/common/types.d.ts",
+      "../../../src/subproject2/index.ts"
     ]
   },
   "version": "FakeTSVersion"

From 61027a187fb75c9aac22e6910f91c5b8f38d788d Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Fri, 17 Jul 2020 14:41:55 -0700
Subject: [PATCH 3/3] Remove the scenario not fixed in this PR

---
 .../unittests/tsbuild/declarationEmit.ts      |  14 --
 ...d-through-triple-slash-and-uses-baseUrl.js | 209 ------------------
 2 files changed, 223 deletions(-)
 delete mode 100644 tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-and-uses-baseUrl.js

diff --git a/src/testRunner/unittests/tsbuild/declarationEmit.ts b/src/testRunner/unittests/tsbuild/declarationEmit.ts
index 35c1c7eaf4ec8..6139f585b9663 100644
--- a/src/testRunner/unittests/tsbuild/declarationEmit.ts
+++ b/src/testRunner/unittests/tsbuild/declarationEmit.ts
@@ -62,20 +62,6 @@ declare type MyNominal<T, Name extends string> = T & {
             commandLineArgs: ["--b", "/src/solution/tsconfig.json", "--verbose"]
         });
 
-        verifyTsc({
-            scenario: "declarationEmit",
-            subScenario: "when declaration file is referenced through triple slash and uses baseUrl",
-            fs: () => loadProjectFromFiles({
-                ...getFiles(),
-                "/src/solution/src/common/tsconfig.json": JSON.stringify({
-                    extends: "../../tsconfig.base.json",
-                    compilerOptions: { composite: true, baseUrl: "./" },
-                    include: ["./nominal.ts"]
-                }),
-            }),
-            commandLineArgs: ["--b", "/src/solution/tsconfig.json", "--verbose"]
-        });
-
         verifyTsc({
             scenario: "declarationEmit",
             subScenario: "when declaration file is referenced through triple slash but uses no references",
diff --git a/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-and-uses-baseUrl.js b/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-and-uses-baseUrl.js
deleted file mode 100644
index ea303b1df363e..0000000000000
--- a/tests/baselines/reference/tsbuild/declarationEmit/initial-build/when-declaration-file-is-referenced-through-triple-slash-and-uses-baseUrl.js
+++ /dev/null
@@ -1,209 +0,0 @@
-Input::
-//// [/lib/lib.d.ts]
-/// <reference no-default-lib="true"/>
-interface Boolean {}
-interface Function {}
-interface CallableFunction {}
-interface NewableFunction {}
-interface IArguments {}
-interface Number { toExponential: any; }
-interface Object {}
-interface RegExp {}
-interface String { charAt: any; }
-interface Array<T> { length: number; [n: number]: T; }
-interface ReadonlyArray<T> {}
-declare const console: { log(msg: any): void; };
-
-//// [/src/solution/src/common/nominal.ts]
-/// <reference path="./types.d.ts" />
-export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
-
-//// [/src/solution/src/common/tsconfig.json]
-{"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true,"baseUrl":"./"},"include":["./nominal.ts"]}
-
-//// [/src/solution/src/common/types.d.ts]
-declare type MyNominal<T, Name extends string> = T & {
-    specialKey: Name;
-};
-
-//// [/src/solution/src/subProject/index.ts]
-import { Nominal } from '../common/nominal';
-export type MyNominal = Nominal<string, 'MyNominal'>;
-
-//// [/src/solution/src/subProject/tsconfig.json]
-{"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true},"references":[{"path":"../common"}],"include":["./index.ts"]}
-
-//// [/src/solution/src/subProject2/index.ts]
-
-
-//// [/src/solution/src/subProject2/tsconfig.json]
-{"extends":"../../tsconfig.base.json","compilerOptions":{"composite":true},"references":[{"path":"../subProject"}],"include":["./index.ts"]}
-
-//// [/src/solution/src/tsconfig.json]
-{"compilerOptions":{"composite":true},"references":[{"path":"./subProject"},{"path":"./subProject2"}],"include":[]}
-
-//// [/src/solution/tsconfig.base.json]
-{"compilerOptions":{"rootDir":"./","outDir":"lib"}}
-
-//// [/src/solution/tsconfig.json]
-{"compilerOptions":{"composite":true},"references":[{"path":"./src"}],"include":[]}
-
-
-
-Output::
-/lib/tsc --b /src/solution/tsconfig.json --verbose
-[12:00:00 AM] Projects in this build: 
-    * src/solution/src/common/tsconfig.json
-    * src/solution/src/subProject/tsconfig.json
-    * src/solution/src/subProject2/tsconfig.json
-    * src/solution/src/tsconfig.json
-    * src/solution/tsconfig.json
-
-[12:00:00 AM] Project 'src/solution/src/common/tsconfig.json' is out of date because output file 'src/solution/lib/src/common/nominal.js' does not exist
-
-[12:00:00 AM] Building project '/src/solution/src/common/tsconfig.json'...
-
-[12:00:00 AM] Project 'src/solution/src/subProject/tsconfig.json' is out of date because output file 'src/solution/lib/src/subProject/index.js' does not exist
-
-[12:00:00 AM] Building project '/src/solution/src/subProject/tsconfig.json'...
-
-src/solution/lib/src/common/nominal.d.ts:2:55 - error TS2304: Cannot find name 'MyNominal'.
-
-2 export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
-                                                        ~~~~~~~~~
-
-src/solution/lib/src/common/nominal.d.ts:1:23 - error TS2688: Cannot find type definition file for 'types'.
-
-1 /// <reference types="types" />
-                        ~~~~~
-
-[12:00:00 AM] Project 'src/solution/src/subProject2/tsconfig.json' can't be built because its dependency 'src/solution/src/subProject' has errors
-
-[12:00:00 AM] Skipping build of project '/src/solution/src/subProject2/tsconfig.json' because its dependency '/src/solution/src/subProject' has errors
-
-
-Found 2 errors.
-
-exitCode:: ExitStatus.DiagnosticsPresent_OutputsGenerated
-
-
-//// [/src/solution/lib/src/common/nominal.d.ts]
-/// <reference types="types" />
-export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;
-
-
-//// [/src/solution/lib/src/common/nominal.js]
-"use strict";
-exports.__esModule = true;
-/// <reference path="./types.d.ts" />
-
-
-//// [/src/solution/lib/src/common/tsconfig.tsbuildinfo]
-{
-  "program": {
-    "fileInfos": {
-      "../../../../../lib/lib.d.ts": {
-        "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; };",
-        "signature": "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
-      },
-      "../../../src/common/types.d.ts": {
-        "version": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
-        "signature": "23815050294-declare type MyNominal<T, Name extends string> = T & {\n    specialKey: Name;\n};",
-        "affectsGlobalScope": true
-      },
-      "../../../src/common/nominal.ts": {
-        "version": "4107369137-/// <reference path=\"./types.d.ts\" />\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;",
-        "signature": "-2060908103-/// <reference types=\"types\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
-        "affectsGlobalScope": false
-      }
-    },
-    "options": {
-      "rootDir": "../../..",
-      "outDir": "../..",
-      "composite": true,
-      "baseUrl": "../../../src/common",
-      "configFilePath": "../../../src/common/tsconfig.json"
-    },
-    "referencedMap": {
-      "../../../src/common/nominal.ts": [
-        "../../../src/common/types.d.ts"
-      ]
-    },
-    "exportedModulesMap": {},
-    "semanticDiagnosticsPerFile": [
-      "../../../../../lib/lib.d.ts",
-      "../../../src/common/nominal.ts",
-      "../../../src/common/types.d.ts"
-    ]
-  },
-  "version": "FakeTSVersion"
-}
-
-//// [/src/solution/lib/src/subProject/tsconfig.tsbuildinfo]
-{
-  "program": {
-    "fileInfos": {
-      "../../../../../lib/lib.d.ts": {
-        "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; };",
-        "signature": "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
-      },
-      "../common/nominal.d.ts": {
-        "version": "-2060908103-/// <reference types=\"types\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
-        "signature": "-2060908103-/// <reference types=\"types\" />\r\nexport declare type Nominal<T, Name extends string> = MyNominal<T, Name>;\r\n",
-        "affectsGlobalScope": false
-      },
-      "../../../src/subproject/index.ts": {
-        "version": "-25117049605-import { Nominal } from '../common/nominal';\nexport type MyNominal = Nominal<string, 'MyNominal'>;",
-        "signature": "-21416888433-import { Nominal } from '../common/nominal';\r\nexport declare type MyNominal = Nominal<string, 'MyNominal'>;\r\n",
-        "affectsGlobalScope": false
-      }
-    },
-    "options": {
-      "rootDir": "../../..",
-      "outDir": "../..",
-      "composite": true,
-      "configFilePath": "../../../src/subProject/tsconfig.json"
-    },
-    "referencedMap": {
-      "../../../src/subproject/index.ts": [
-        "../common/nominal.d.ts"
-      ]
-    },
-    "exportedModulesMap": {
-      "../../../src/subproject/index.ts": [
-        "../common/nominal.d.ts"
-      ]
-    },
-    "semanticDiagnosticsPerFile": [
-      "../../../../../lib/lib.d.ts",
-      [
-        "../common/nominal.d.ts",
-        [
-          {
-            "file": "../common/nominal.d.ts",
-            "start": 87,
-            "length": 9,
-            "messageText": "Cannot find name 'MyNominal'.",
-            "category": 1,
-            "code": 2304
-          }
-        ]
-      ],
-      "../../../src/subproject/index.ts"
-    ],
-    "affectedFilesPendingEmit": [
-      [
-        "../common/nominal.d.ts",
-        1
-      ],
-      [
-        "../../../src/subproject/index.ts",
-        1
-      ]
-    ]
-  },
-  "version": "FakeTSVersion"
-}
-