diff --git a/src/compiler/builder.ts b/src/compiler/builder.ts
index 366bf3c39866c..0f6ce885ed2a4 100644
--- a/src/compiler/builder.ts
+++ b/src/compiler/builder.ts
@@ -433,7 +433,9 @@ namespace ts {
             return;
         }
 
-        forEachReferencingModulesOfExportOfAffectedFile(state, affectedFile, (state, path) => handleDtsMayChangeOf(state, path, cancellationToken, computeHash));
+        if (!state.compilerOptions.assumeChangesOnlyAffectDirectDependencies) {
+            forEachReferencingModulesOfExportOfAffectedFile(state, affectedFile, (state, path) => handleDtsMayChangeOf(state, path, cancellationToken, computeHash));
+        }
     }
 
     /**
diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
index b0b4c69ca1e15..60a475095ce28 100644
--- a/src/compiler/commandLineParser.ts
+++ b/src/compiler/commandLineParser.ts
@@ -201,6 +201,14 @@ namespace ts {
             description: Diagnostics.Enable_incremental_compilation,
             transpileOptionValue: undefined
         },
+        {
+            name: "assumeChangesOnlyAffectDirectDependencies",
+            type: "boolean",
+            affectsSemanticDiagnostics: true,
+            affectsEmit: true,
+            category: Diagnostics.Advanced_Options,
+            description: Diagnostics.Have_recompiles_in_incremental_and_watch_assume_that_changes_within_a_file_will_only_affect_files_directly_depending_on_it
+        },
         {
             name: "locale",
             type: "string",
diff --git a/src/compiler/diagnosticMessages.json b/src/compiler/diagnosticMessages.json
index f7949496bfee2..45d192e20ac7a 100644
--- a/src/compiler/diagnosticMessages.json
+++ b/src/compiler/diagnosticMessages.json
@@ -4366,6 +4366,10 @@
         "category": "Message",
         "code": 6383
     },
+    "Have recompiles in '--incremental' and '--watch' assume that changes within a file will only affect files directly depending on it.": {
+        "category": "Message",
+        "code": 6384
+    },
 
     "The expected type comes from property '{0}' which is declared here on type '{1}'": {
         "category": "Message",
diff --git a/src/compiler/tsbuildPublic.ts b/src/compiler/tsbuildPublic.ts
index 901c09065191c..a7cadbf3bcb6d 100644
--- a/src/compiler/tsbuildPublic.ts
+++ b/src/compiler/tsbuildPublic.ts
@@ -16,6 +16,7 @@ namespace ts {
         /*@internal*/ listFiles?: boolean;
         /*@internal*/ pretty?: boolean;
         incremental?: boolean;
+        assumeChangesOnlyAffectDirectDependencies?: boolean;
 
         traceResolution?: boolean;
         /* @internal */ diagnostics?: boolean;
diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index 107f2b8155205..1f20906b8eb29 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -5070,6 +5070,7 @@ namespace ts {
         noUnusedLocals?: boolean;
         noUnusedParameters?: boolean;
         noImplicitUseStrict?: boolean;
+        assumeChangesOnlyAffectDirectDependencies?: boolean;
         noLib?: boolean;
         noResolve?: boolean;
         out?: string;
diff --git a/src/testRunner/unittests/tscWatch/emitAndErrorUpdates.ts b/src/testRunner/unittests/tscWatch/emitAndErrorUpdates.ts
index 620be52e3eec9..ca57ad939b73d 100644
--- a/src/testRunner/unittests/tscWatch/emitAndErrorUpdates.ts
+++ b/src/testRunner/unittests/tscWatch/emitAndErrorUpdates.ts
@@ -66,6 +66,18 @@ namespace ts.tscWatch {
                 subScenario: `config with --isolatedModules and --declaration/${input.subScenario}`,
                 configFile: () => changeCompilerOptions(input, { isolatedModules: true, declaration: true })
             });
+
+            verifyEmitAndErrorUpdatesWorker({
+                ...input,
+                subScenario: `config with --assumeChangesOnlyAffectDirectDependencies/${input.subScenario}`,
+                configFile: () => changeCompilerOptions(input, { assumeChangesOnlyAffectDirectDependencies: true })
+            });
+
+            verifyEmitAndErrorUpdatesWorker({
+                ...input,
+                subScenario: `config with --assumeChangesOnlyAffectDirectDependencies and --declaration/${input.subScenario}`,
+                configFile: () => changeCompilerOptions(input, { assumeChangesOnlyAffectDirectDependencies: true, declaration: true })
+            });
         }
 
         describe("deep import changes", () => {
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 0ac0f4c227ee4..ff2f7f29bba1b 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -2673,6 +2673,7 @@ declare namespace ts {
         noUnusedLocals?: boolean;
         noUnusedParameters?: boolean;
         noImplicitUseStrict?: boolean;
+        assumeChangesOnlyAffectDirectDependencies?: boolean;
         noLib?: boolean;
         noResolve?: boolean;
         out?: string;
@@ -4779,6 +4780,7 @@ declare namespace ts {
         force?: boolean;
         verbose?: boolean;
         incremental?: boolean;
+        assumeChangesOnlyAffectDirectDependencies?: boolean;
         traceResolution?: boolean;
         [option: string]: CompilerOptionsValue | undefined;
     }
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index 42432eac6e783..3312885b0c6bc 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -2673,6 +2673,7 @@ declare namespace ts {
         noUnusedLocals?: boolean;
         noUnusedParameters?: boolean;
         noImplicitUseStrict?: boolean;
+        assumeChangesOnlyAffectDirectDependencies?: boolean;
         noLib?: boolean;
         noResolve?: boolean;
         out?: string;
@@ -4779,6 +4780,7 @@ declare namespace ts {
         force?: boolean;
         verbose?: boolean;
         incremental?: boolean;
+        assumeChangesOnlyAffectDirectDependencies?: boolean;
         traceResolution?: boolean;
         [option: string]: CompilerOptionsValue | undefined;
     }
diff --git a/tests/baselines/reference/showConfig/Shows tsconfig for single option/assumeChangesOnlyAffectDirectDependencies/tsconfig.json b/tests/baselines/reference/showConfig/Shows tsconfig for single option/assumeChangesOnlyAffectDirectDependencies/tsconfig.json
new file mode 100644
index 0000000000000..1f5155fb8f0be
--- /dev/null
+++ b/tests/baselines/reference/showConfig/Shows tsconfig for single option/assumeChangesOnlyAffectDirectDependencies/tsconfig.json	
@@ -0,0 +1,5 @@
+{
+    "compilerOptions": {
+        "assumeChangesOnlyAffectDirectDependencies": true
+    }
+}
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/deep-import-changes/updates-errors-when-deep-import-file-changes.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/deep-import-changes/updates-errors-when-deep-import-file-changes.js
new file mode 100644
index 0000000000000..9f46249791d48
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/deep-import-changes/updates-errors-when-deep-import-file-changes.js
@@ -0,0 +1,203 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/myproject/a.ts]
+import {B} from './b';
+declare var console: any;
+let b = new B();
+console.log(b.c.d);
+
+//// [/user/username/projects/myproject/b.ts]
+import {C} from './c';
+export class B
+{
+    c = new C();
+}
+
+//// [/user/username/projects/myproject/c.ts]
+export class C
+{
+    d = 1;
+}
+
+//// [/user/username/projects/myproject/tsconfig.json]
+{"compilerOptions":{"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true}}
+
+//// [/a/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; }
+
+//// [/user/username/projects/myproject/c.js]
+"use strict";
+exports.__esModule = true;
+var C = /** @class */ (function () {
+    function C() {
+        this.d = 1;
+    }
+    return C;
+}());
+exports.C = C;
+
+
+//// [/user/username/projects/myproject/c.d.ts]
+export declare class C {
+    d: number;
+}
+
+
+//// [/user/username/projects/myproject/b.js]
+"use strict";
+exports.__esModule = true;
+var c_1 = require("./c");
+var B = /** @class */ (function () {
+    function B() {
+        this.c = new c_1.C();
+    }
+    return B;
+}());
+exports.B = B;
+
+
+//// [/user/username/projects/myproject/b.d.ts]
+import { C } from './c';
+export declare class B {
+    c: C;
+}
+
+
+//// [/user/username/projects/myproject/a.js]
+"use strict";
+exports.__esModule = true;
+var b_1 = require("./b");
+var b = new b_1.B();
+console.log(b.c.d);
+
+
+//// [/user/username/projects/myproject/a.d.ts]
+export {};
+
+
+
+Output::
+>> Screen clear
+12:00:25 AM - Starting compilation in watch mode...
+
+
+
+12:00:38 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.ts","/user/username/projects/myproject/c.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/a.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/a.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Rename property d to d2 of class C
+
+//// [/user/username/projects/myproject/c.ts]
+export class C
+{
+    d2 = 1;
+}
+
+//// [/user/username/projects/myproject/c.js]
+"use strict";
+exports.__esModule = true;
+var C = /** @class */ (function () {
+    function C() {
+        this.d2 = 1;
+    }
+    return C;
+}());
+exports.C = C;
+
+
+//// [/user/username/projects/myproject/c.d.ts]
+export declare class C {
+    d2: number;
+}
+
+
+//// [/user/username/projects/myproject/b.js] file written with same contents
+//// [/user/username/projects/myproject/b.d.ts] file written with same contents
+
+Output::
+>> Screen clear
+12:00:42 AM - File change detected. Starting incremental compilation...
+
+
+
+12:00:55 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.ts","/user/username/projects/myproject/c.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/a.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/b.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/deep-import-changes/updates-errors-when-deep-import-through-declaration-file-changes.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/deep-import-changes/updates-errors-when-deep-import-through-declaration-file-changes.js
new file mode 100644
index 0000000000000..64f5a555675a4
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/deep-import-changes/updates-errors-when-deep-import-through-declaration-file-changes.js
@@ -0,0 +1,149 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/myproject/a.ts]
+import {B} from './b';
+declare var console: any;
+let b = new B();
+console.log(b.c.d);
+
+//// [/user/username/projects/myproject/b.d.ts]
+import {C} from './c';
+export class B
+{
+    c: C;
+}
+
+//// [/user/username/projects/myproject/c.d.ts]
+export class C
+{
+    d: number;
+}
+
+//// [/user/username/projects/myproject/tsconfig.json]
+{"compilerOptions":{"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true}}
+
+//// [/a/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; }
+
+//// [/user/username/projects/myproject/a.js]
+"use strict";
+exports.__esModule = true;
+var b_1 = require("./b");
+var b = new b_1.B();
+console.log(b.c.d);
+
+
+//// [/user/username/projects/myproject/a.d.ts]
+export {};
+
+
+
+Output::
+>> Screen clear
+12:00:25 AM - Starting compilation in watch mode...
+
+
+
+12:00:30 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.d.ts","/user/username/projects/myproject/c.d.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.d.ts
+/user/username/projects/myproject/b.d.ts
+/user/username/projects/myproject/a.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.d.ts
+/user/username/projects/myproject/b.d.ts
+/user/username/projects/myproject/a.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.d.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.d.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Rename property d to d2 of class C
+
+//// [/user/username/projects/myproject/c.d.ts]
+export class C
+{
+    d2: number;
+}
+
+
+Output::
+>> Screen clear
+12:00:34 AM - File change detected. Starting incremental compilation...
+
+
+
+12:00:35 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.d.ts","/user/username/projects/myproject/c.d.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.d.ts
+/user/username/projects/myproject/b.d.ts
+/user/username/projects/myproject/a.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/myproject/c.d.ts
+/user/username/projects/myproject/b.d.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.d.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.d.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/updates-errors-in-file-not-exporting-a-deep-multilevel-import-that-changes.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/updates-errors-in-file-not-exporting-a-deep-multilevel-import-that-changes.js
new file mode 100644
index 0000000000000..8dddd3fff925b
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/updates-errors-in-file-not-exporting-a-deep-multilevel-import-that-changes.js
@@ -0,0 +1,259 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/myproject/a.ts]
+export interface Point {
+    name: string;
+    c: Coords;
+}
+export interface Coords {
+    x2: number;
+    y: number;
+}
+
+//// [/user/username/projects/myproject/b.ts]
+import { Point } from "./a";
+export interface PointWrapper extends Point {
+}
+
+//// [/user/username/projects/myproject/c.ts]
+import { PointWrapper } from "./b";
+export function getPoint(): PointWrapper {
+    return {
+        name: "test",
+        c: {
+            x: 1,
+            y: 2
+        }
+    }
+};
+
+//// [/user/username/projects/myproject/d.ts]
+import { getPoint } from "./c";
+getPoint().c.x;
+
+//// [/user/username/projects/myproject/e.ts]
+import "./d";
+
+//// [/user/username/projects/myproject/tsconfig.json]
+{"compilerOptions":{"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true}}
+
+//// [/a/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; }
+
+//// [/user/username/projects/myproject/a.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/a.d.ts]
+export interface Point {
+    name: string;
+    c: Coords;
+}
+export interface Coords {
+    x2: number;
+    y: number;
+}
+
+
+//// [/user/username/projects/myproject/b.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/b.d.ts]
+import { Point } from "./a";
+export interface PointWrapper extends Point {
+}
+
+
+//// [/user/username/projects/myproject/c.js]
+"use strict";
+exports.__esModule = true;
+function getPoint() {
+    return {
+        name: "test",
+        c: {
+            x: 1,
+            y: 2
+        }
+    };
+}
+exports.getPoint = getPoint;
+;
+
+
+//// [/user/username/projects/myproject/c.d.ts]
+import { PointWrapper } from "./b";
+export declare function getPoint(): PointWrapper;
+
+
+//// [/user/username/projects/myproject/d.js]
+"use strict";
+exports.__esModule = true;
+var c_1 = require("./c");
+c_1.getPoint().c.x;
+
+
+//// [/user/username/projects/myproject/d.d.ts]
+export {};
+
+
+//// [/user/username/projects/myproject/e.js]
+"use strict";
+exports.__esModule = true;
+require("./d");
+
+
+//// [/user/username/projects/myproject/e.d.ts]
+import "./d";
+
+
+
+Output::
+>> Screen clear
+12:00:29 AM - Starting compilation in watch mode...
+
+
+c.ts(6,13): error TS2322: Type '{ x: number; y: number; }' is not assignable to type 'Coords'.
+  Object literal may only specify known properties, and 'x' does not exist in type 'Coords'.
+
+d.ts(2,14): error TS2339: Property 'x' does not exist on type 'Coords'.
+
+
+12:00:50 AM - Found 2 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.ts","/user/username/projects/myproject/c.ts","/user/username/projects/myproject/d.ts","/user/username/projects/myproject/e.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/a.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/d.ts
+/user/username/projects/myproject/e.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/a.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/d.ts
+/user/username/projects/myproject/e.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/d.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/e.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Rename property x2 to x of interface Coords
+
+//// [/user/username/projects/myproject/a.ts]
+export interface Point {
+    name: string;
+    c: Coords;
+}
+export interface Coords {
+    x: number;
+    y: number;
+}
+
+//// [/user/username/projects/myproject/a.js] file written with same contents
+//// [/user/username/projects/myproject/a.d.ts]
+export interface Point {
+    name: string;
+    c: Coords;
+}
+export interface Coords {
+    x: number;
+    y: number;
+}
+
+
+//// [/user/username/projects/myproject/b.js] file written with same contents
+//// [/user/username/projects/myproject/b.d.ts] file written with same contents
+
+Output::
+>> Screen clear
+12:00:54 AM - File change detected. Starting incremental compilation...
+
+
+c.ts(6,13): error TS2322: Type '{ x: number; y: number; }' is not assignable to type 'Coords'.
+  Object literal may only specify known properties, and 'x' does not exist in type 'Coords'.
+
+d.ts(2,14): error TS2339: Property 'x' does not exist on type 'Coords'.
+
+
+12:01:07 AM - Found 2 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.ts","/user/username/projects/myproject/c.ts","/user/username/projects/myproject/d.ts","/user/username/projects/myproject/e.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/a.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/d.ts
+/user/username/projects/myproject/e.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/myproject/a.ts
+/user/username/projects/myproject/b.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/d.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/e.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/updates-errors-when-file-transitively-exported-file-changes/when-there-are-circular-import-and-exports.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/updates-errors-when-file-transitively-exported-file-changes/when-there-are-circular-import-and-exports.js
new file mode 100644
index 0000000000000..b554a69a372c6
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/updates-errors-when-file-transitively-exported-file-changes/when-there-are-circular-import-and-exports.js
@@ -0,0 +1,290 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.ts]
+export interface ITest {
+    title: string;
+}
+
+//// [/user/username/projects/myproject/lib1/tools/public.ts]
+export * from "./tools.interface";
+
+//// [/user/username/projects/myproject/app.ts]
+import { Data } from "lib2/public";
+export class App {
+    public constructor() {
+        new Data().test();
+    }
+}
+
+//// [/user/username/projects/myproject/lib2/public.ts]
+export * from "./data";
+
+//// [/user/username/projects/myproject/lib1/public.ts]
+export * from "./tools/public";
+
+//// [/user/username/projects/myproject/lib2/data.ts]
+import { ITest } from "lib1/public"; import { Data2 } from "./data2";
+export class Data {
+    public dat?: Data2; public test() {
+        const result: ITest = {
+            title: "title"
+        }
+        return result;
+    }
+}
+
+//// [/user/username/projects/myproject/lib2/data2.ts]
+import { Data } from "./data";
+export class Data2 {
+    public dat?: Data;
+}
+
+//// [/user/username/projects/myproject/tsconfig.json]
+{"files":["app.ts"],"compilerOptions":{"baseUrl":".","assumeChangesOnlyAffectDirectDependencies":true,"declaration":true}}
+
+//// [/a/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; }
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.d.ts]
+export interface ITest {
+    title: string;
+}
+
+
+//// [/user/username/projects/myproject/lib1/tools/public.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib1/tools/public.d.ts]
+export * from "./tools.interface";
+
+
+//// [/user/username/projects/myproject/lib1/public.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib1/public.d.ts]
+export * from "./tools/public";
+
+
+//// [/user/username/projects/myproject/lib2/data2.js]
+"use strict";
+exports.__esModule = true;
+var Data2 = /** @class */ (function () {
+    function Data2() {
+    }
+    return Data2;
+}());
+exports.Data2 = Data2;
+
+
+//// [/user/username/projects/myproject/lib2/data2.d.ts]
+import { Data } from "./data";
+export declare class Data2 {
+    dat?: Data;
+}
+
+
+//// [/user/username/projects/myproject/lib2/data.js]
+"use strict";
+exports.__esModule = true;
+var Data = /** @class */ (function () {
+    function Data() {
+    }
+    Data.prototype.test = function () {
+        var result = {
+            title: "title"
+        };
+        return result;
+    };
+    return Data;
+}());
+exports.Data = Data;
+
+
+//// [/user/username/projects/myproject/lib2/data.d.ts]
+import { ITest } from "lib1/public";
+import { Data2 } from "./data2";
+export declare class Data {
+    dat?: Data2;
+    test(): ITest;
+}
+
+
+//// [/user/username/projects/myproject/lib2/public.js]
+"use strict";
+function __export(m) {
+    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+}
+exports.__esModule = true;
+__export(require("./data"));
+
+
+//// [/user/username/projects/myproject/lib2/public.d.ts]
+export * from "./data";
+
+
+//// [/user/username/projects/myproject/app.js]
+"use strict";
+exports.__esModule = true;
+var public_1 = require("lib2/public");
+var App = /** @class */ (function () {
+    function App() {
+        new public_1.Data().test();
+    }
+    return App;
+}());
+exports.App = App;
+
+
+//// [/user/username/projects/myproject/app.d.ts]
+export declare class App {
+    constructor();
+}
+
+
+
+Output::
+>> Screen clear
+12:00:39 AM - Starting compilation in watch mode...
+
+
+
+12:01:08 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/app.ts"]
+Program options: {"baseUrl":"/user/username/projects/myproject","assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data2.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data2.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/app.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/tools.interface.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data2.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Rename property title to title2 of interface ITest
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.ts]
+export interface ITest {
+    title2: string;
+}
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.js] file written with same contents
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.d.ts]
+export interface ITest {
+    title2: string;
+}
+
+
+//// [/user/username/projects/myproject/lib1/tools/public.js] file written with same contents
+//// [/user/username/projects/myproject/lib1/tools/public.d.ts] file written with same contents
+
+Output::
+>> Screen clear
+12:01:12 AM - File change detected. Starting incremental compilation...
+
+
+
+12:01:25 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/app.ts"]
+Program options: {"baseUrl":"/user/username/projects/myproject","assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data2.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/app.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/tools.interface.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data2.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/updates-errors-when-file-transitively-exported-file-changes/when-there-are-no-circular-import-and-exports.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/updates-errors-when-file-transitively-exported-file-changes/when-there-are-no-circular-import-and-exports.js
new file mode 100644
index 0000000000000..a9b7299030e55
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/updates-errors-when-file-transitively-exported-file-changes/when-there-are-no-circular-import-and-exports.js
@@ -0,0 +1,257 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.ts]
+export interface ITest {
+    title: string;
+}
+
+//// [/user/username/projects/myproject/lib1/tools/public.ts]
+export * from "./tools.interface";
+
+//// [/user/username/projects/myproject/app.ts]
+import { Data } from "lib2/public";
+export class App {
+    public constructor() {
+        new Data().test();
+    }
+}
+
+//// [/user/username/projects/myproject/lib2/public.ts]
+export * from "./data";
+
+//// [/user/username/projects/myproject/lib1/public.ts]
+export * from "./tools/public";
+
+//// [/user/username/projects/myproject/lib2/data.ts]
+import { ITest } from "lib1/public";
+export class Data {
+    public test() {
+        const result: ITest = {
+            title: "title"
+        }
+        return result;
+    }
+}
+
+//// [/user/username/projects/myproject/tsconfig.json]
+{"files":["app.ts"],"compilerOptions":{"baseUrl":".","assumeChangesOnlyAffectDirectDependencies":true,"declaration":true}}
+
+//// [/a/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; }
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.d.ts]
+export interface ITest {
+    title: string;
+}
+
+
+//// [/user/username/projects/myproject/lib1/tools/public.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib1/tools/public.d.ts]
+export * from "./tools.interface";
+
+
+//// [/user/username/projects/myproject/lib1/public.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib1/public.d.ts]
+export * from "./tools/public";
+
+
+//// [/user/username/projects/myproject/lib2/data.js]
+"use strict";
+exports.__esModule = true;
+var Data = /** @class */ (function () {
+    function Data() {
+    }
+    Data.prototype.test = function () {
+        var result = {
+            title: "title"
+        };
+        return result;
+    };
+    return Data;
+}());
+exports.Data = Data;
+
+
+//// [/user/username/projects/myproject/lib2/data.d.ts]
+import { ITest } from "lib1/public";
+export declare class Data {
+    test(): ITest;
+}
+
+
+//// [/user/username/projects/myproject/lib2/public.js]
+"use strict";
+function __export(m) {
+    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+}
+exports.__esModule = true;
+__export(require("./data"));
+
+
+//// [/user/username/projects/myproject/lib2/public.d.ts]
+export * from "./data";
+
+
+//// [/user/username/projects/myproject/app.js]
+"use strict";
+exports.__esModule = true;
+var public_1 = require("lib2/public");
+var App = /** @class */ (function () {
+    function App() {
+        new public_1.Data().test();
+    }
+    return App;
+}());
+exports.App = App;
+
+
+//// [/user/username/projects/myproject/app.d.ts]
+export declare class App {
+    constructor();
+}
+
+
+
+Output::
+>> Screen clear
+12:00:37 AM - Starting compilation in watch mode...
+
+
+
+12:01:02 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/app.ts"]
+Program options: {"baseUrl":"/user/username/projects/myproject","assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/app.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/tools.interface.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Rename property title to title2 of interface ITest
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.ts]
+export interface ITest {
+    title2: string;
+}
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.js] file written with same contents
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.d.ts]
+export interface ITest {
+    title2: string;
+}
+
+
+//// [/user/username/projects/myproject/lib1/tools/public.js] file written with same contents
+//// [/user/username/projects/myproject/lib1/tools/public.d.ts] file written with same contents
+
+Output::
+>> Screen clear
+12:01:06 AM - File change detected. Starting incremental compilation...
+
+
+
+12:01:19 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/app.ts"]
+Program options: {"baseUrl":"/user/username/projects/myproject","assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/app.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/tools.interface.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/with-noEmitOnError.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/with-noEmitOnError.js
new file mode 100644
index 0000000000000..0d8f7659fcaa9
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies-and---declaration/with-noEmitOnError.js
@@ -0,0 +1,165 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/noEmitOnError/shared/types/db.ts]
+export interface A {
+    name: string;
+}
+
+//// [/user/username/projects/noEmitOnError/src/main.ts]
+import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;
+
+//// [/user/username/projects/noEmitOnError/src/other.ts]
+console.log("hi");
+export { }
+
+//// [/user/username/projects/noEmitOnError/tsconfig.json]
+{"compilerOptions":{"outDir":"./dev-build","noEmitOnError":true,"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true}}
+
+//// [/a/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; };
+
+
+Output::
+>> Screen clear
+12:00:31 AM - Starting compilation in watch mode...
+
+
+src/main.ts(4,1): error TS1005: ',' expected.
+
+
+12:00:32 AM - Found 1 error. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/noEmitOnError/shared/types/db.ts","/user/username/projects/noEmitOnError/src/main.ts","/user/username/projects/noEmitOnError/src/other.ts"]
+Program options: {"outDir":"/user/username/projects/noEmitOnError/dev-build","noEmitOnError":true,"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/noEmitOnError/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/noEmitOnError/shared/types/db.ts
+/user/username/projects/noEmitOnError/src/main.ts
+/user/username/projects/noEmitOnError/src/other.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/noEmitOnError/shared/types/db.ts
+/user/username/projects/noEmitOnError/src/main.ts
+/user/username/projects/noEmitOnError/src/other.ts
+
+WatchedFiles::
+/user/username/projects/noemitonerror/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/shared/types/db.ts:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/src/main.ts:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/src/other.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/noemitonerror/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/noemitonerror:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Fix the error
+
+//// [/user/username/projects/noEmitOnError/src/main.ts]
+import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};
+
+//// [/user/username/projects/noEmitOnError/dev-build/shared/types/db.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/noEmitOnError/dev-build/shared/types/db.d.ts]
+export interface A {
+    name: string;
+}
+
+
+//// [/user/username/projects/noEmitOnError/dev-build/src/main.js]
+"use strict";
+exports.__esModule = true;
+var a = {
+    lastName: 'sdsd'
+};
+
+
+//// [/user/username/projects/noEmitOnError/dev-build/src/main.d.ts]
+export {};
+
+
+//// [/user/username/projects/noEmitOnError/dev-build/src/other.js]
+"use strict";
+exports.__esModule = true;
+console.log("hi");
+
+
+//// [/user/username/projects/noEmitOnError/dev-build/src/other.d.ts]
+export {};
+
+
+
+Output::
+>> Screen clear
+12:00:36 AM - File change detected. Starting incremental compilation...
+
+
+
+12:00:59 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/noEmitOnError/shared/types/db.ts","/user/username/projects/noEmitOnError/src/main.ts","/user/username/projects/noEmitOnError/src/other.ts"]
+Program options: {"outDir":"/user/username/projects/noEmitOnError/dev-build","noEmitOnError":true,"assumeChangesOnlyAffectDirectDependencies":true,"declaration":true,"watch":true,"configFilePath":"/user/username/projects/noEmitOnError/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/noEmitOnError/shared/types/db.ts
+/user/username/projects/noEmitOnError/src/main.ts
+/user/username/projects/noEmitOnError/src/other.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/noEmitOnError/src/main.ts
+
+WatchedFiles::
+/user/username/projects/noemitonerror/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/shared/types/db.ts:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/src/main.ts:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/src/other.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/noemitonerror/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/noemitonerror:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/deep-import-changes/updates-errors-when-deep-import-file-changes.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/deep-import-changes/updates-errors-when-deep-import-file-changes.js
new file mode 100644
index 0000000000000..3c4b536c87422
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/deep-import-changes/updates-errors-when-deep-import-file-changes.js
@@ -0,0 +1,179 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/myproject/a.ts]
+import {B} from './b';
+declare var console: any;
+let b = new B();
+console.log(b.c.d);
+
+//// [/user/username/projects/myproject/b.ts]
+import {C} from './c';
+export class B
+{
+    c = new C();
+}
+
+//// [/user/username/projects/myproject/c.ts]
+export class C
+{
+    d = 1;
+}
+
+//// [/user/username/projects/myproject/tsconfig.json]
+{"compilerOptions":{"assumeChangesOnlyAffectDirectDependencies":true}}
+
+//// [/a/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; }
+
+//// [/user/username/projects/myproject/c.js]
+"use strict";
+exports.__esModule = true;
+var C = /** @class */ (function () {
+    function C() {
+        this.d = 1;
+    }
+    return C;
+}());
+exports.C = C;
+
+
+//// [/user/username/projects/myproject/b.js]
+"use strict";
+exports.__esModule = true;
+var c_1 = require("./c");
+var B = /** @class */ (function () {
+    function B() {
+        this.c = new c_1.C();
+    }
+    return B;
+}());
+exports.B = B;
+
+
+//// [/user/username/projects/myproject/a.js]
+"use strict";
+exports.__esModule = true;
+var b_1 = require("./b");
+var b = new b_1.B();
+console.log(b.c.d);
+
+
+
+Output::
+>> Screen clear
+12:00:25 AM - Starting compilation in watch mode...
+
+
+
+12:00:32 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.ts","/user/username/projects/myproject/c.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/a.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/a.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Rename property d to d2 of class C
+
+//// [/user/username/projects/myproject/c.ts]
+export class C
+{
+    d2 = 1;
+}
+
+//// [/user/username/projects/myproject/c.js]
+"use strict";
+exports.__esModule = true;
+var C = /** @class */ (function () {
+    function C() {
+        this.d2 = 1;
+    }
+    return C;
+}());
+exports.C = C;
+
+
+//// [/user/username/projects/myproject/b.js] file written with same contents
+
+Output::
+>> Screen clear
+12:00:36 AM - File change detected. Starting incremental compilation...
+
+
+
+12:00:43 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.ts","/user/username/projects/myproject/c.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/a.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/b.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/deep-import-changes/updates-errors-when-deep-import-through-declaration-file-changes.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/deep-import-changes/updates-errors-when-deep-import-through-declaration-file-changes.js
new file mode 100644
index 0000000000000..bce8664eae658
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/deep-import-changes/updates-errors-when-deep-import-through-declaration-file-changes.js
@@ -0,0 +1,145 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/myproject/a.ts]
+import {B} from './b';
+declare var console: any;
+let b = new B();
+console.log(b.c.d);
+
+//// [/user/username/projects/myproject/b.d.ts]
+import {C} from './c';
+export class B
+{
+    c: C;
+}
+
+//// [/user/username/projects/myproject/c.d.ts]
+export class C
+{
+    d: number;
+}
+
+//// [/user/username/projects/myproject/tsconfig.json]
+{"compilerOptions":{"assumeChangesOnlyAffectDirectDependencies":true}}
+
+//// [/a/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; }
+
+//// [/user/username/projects/myproject/a.js]
+"use strict";
+exports.__esModule = true;
+var b_1 = require("./b");
+var b = new b_1.B();
+console.log(b.c.d);
+
+
+
+Output::
+>> Screen clear
+12:00:25 AM - Starting compilation in watch mode...
+
+
+
+12:00:28 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.d.ts","/user/username/projects/myproject/c.d.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.d.ts
+/user/username/projects/myproject/b.d.ts
+/user/username/projects/myproject/a.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.d.ts
+/user/username/projects/myproject/b.d.ts
+/user/username/projects/myproject/a.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.d.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.d.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Rename property d to d2 of class C
+
+//// [/user/username/projects/myproject/c.d.ts]
+export class C
+{
+    d2: number;
+}
+
+
+Output::
+>> Screen clear
+12:00:32 AM - File change detected. Starting incremental compilation...
+
+
+
+12:00:33 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.d.ts","/user/username/projects/myproject/c.d.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/c.d.ts
+/user/username/projects/myproject/b.d.ts
+/user/username/projects/myproject/a.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/myproject/c.d.ts
+/user/username/projects/myproject/b.d.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.d.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.d.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/updates-errors-in-file-not-exporting-a-deep-multilevel-import-that-changes.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/updates-errors-in-file-not-exporting-a-deep-multilevel-import-that-changes.js
new file mode 100644
index 0000000000000..b8c39b6484a9d
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/updates-errors-in-file-not-exporting-a-deep-multilevel-import-that-changes.js
@@ -0,0 +1,217 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/myproject/a.ts]
+export interface Point {
+    name: string;
+    c: Coords;
+}
+export interface Coords {
+    x2: number;
+    y: number;
+}
+
+//// [/user/username/projects/myproject/b.ts]
+import { Point } from "./a";
+export interface PointWrapper extends Point {
+}
+
+//// [/user/username/projects/myproject/c.ts]
+import { PointWrapper } from "./b";
+export function getPoint(): PointWrapper {
+    return {
+        name: "test",
+        c: {
+            x: 1,
+            y: 2
+        }
+    }
+};
+
+//// [/user/username/projects/myproject/d.ts]
+import { getPoint } from "./c";
+getPoint().c.x;
+
+//// [/user/username/projects/myproject/e.ts]
+import "./d";
+
+//// [/user/username/projects/myproject/tsconfig.json]
+{"compilerOptions":{"assumeChangesOnlyAffectDirectDependencies":true}}
+
+//// [/a/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; }
+
+//// [/user/username/projects/myproject/a.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/b.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/c.js]
+"use strict";
+exports.__esModule = true;
+function getPoint() {
+    return {
+        name: "test",
+        c: {
+            x: 1,
+            y: 2
+        }
+    };
+}
+exports.getPoint = getPoint;
+;
+
+
+//// [/user/username/projects/myproject/d.js]
+"use strict";
+exports.__esModule = true;
+var c_1 = require("./c");
+c_1.getPoint().c.x;
+
+
+//// [/user/username/projects/myproject/e.js]
+"use strict";
+exports.__esModule = true;
+require("./d");
+
+
+
+Output::
+>> Screen clear
+12:00:29 AM - Starting compilation in watch mode...
+
+
+c.ts(6,13): error TS2322: Type '{ x: number; y: number; }' is not assignable to type 'Coords'.
+  Object literal may only specify known properties, and 'x' does not exist in type 'Coords'.
+
+d.ts(2,14): error TS2339: Property 'x' does not exist on type 'Coords'.
+
+
+12:00:40 AM - Found 2 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.ts","/user/username/projects/myproject/c.ts","/user/username/projects/myproject/d.ts","/user/username/projects/myproject/e.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/a.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/d.ts
+/user/username/projects/myproject/e.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/a.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/d.ts
+/user/username/projects/myproject/e.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/d.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/e.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Rename property x2 to x of interface Coords
+
+//// [/user/username/projects/myproject/a.ts]
+export interface Point {
+    name: string;
+    c: Coords;
+}
+export interface Coords {
+    x: number;
+    y: number;
+}
+
+//// [/user/username/projects/myproject/a.js] file written with same contents
+//// [/user/username/projects/myproject/b.js] file written with same contents
+
+Output::
+>> Screen clear
+12:00:44 AM - File change detected. Starting incremental compilation...
+
+
+c.ts(6,13): error TS2322: Type '{ x: number; y: number; }' is not assignable to type 'Coords'.
+  Object literal may only specify known properties, and 'x' does not exist in type 'Coords'.
+
+d.ts(2,14): error TS2339: Property 'x' does not exist on type 'Coords'.
+
+
+12:00:51 AM - Found 2 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/a.ts","/user/username/projects/myproject/b.ts","/user/username/projects/myproject/c.ts","/user/username/projects/myproject/d.ts","/user/username/projects/myproject/e.ts"]
+Program options: {"assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/a.ts
+/user/username/projects/myproject/b.ts
+/user/username/projects/myproject/c.ts
+/user/username/projects/myproject/d.ts
+/user/username/projects/myproject/e.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/myproject/a.ts
+/user/username/projects/myproject/b.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/a.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/b.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/c.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/d.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/e.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/myproject:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/updates-errors-when-file-transitively-exported-file-changes/when-there-are-circular-import-and-exports.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/updates-errors-when-file-transitively-exported-file-changes/when-there-are-circular-import-and-exports.js
new file mode 100644
index 0000000000000..19a4fe780eb01
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/updates-errors-when-file-transitively-exported-file-changes/when-there-are-circular-import-and-exports.js
@@ -0,0 +1,243 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.ts]
+export interface ITest {
+    title: string;
+}
+
+//// [/user/username/projects/myproject/lib1/tools/public.ts]
+export * from "./tools.interface";
+
+//// [/user/username/projects/myproject/app.ts]
+import { Data } from "lib2/public";
+export class App {
+    public constructor() {
+        new Data().test();
+    }
+}
+
+//// [/user/username/projects/myproject/lib2/public.ts]
+export * from "./data";
+
+//// [/user/username/projects/myproject/lib1/public.ts]
+export * from "./tools/public";
+
+//// [/user/username/projects/myproject/lib2/data.ts]
+import { ITest } from "lib1/public"; import { Data2 } from "./data2";
+export class Data {
+    public dat?: Data2; public test() {
+        const result: ITest = {
+            title: "title"
+        }
+        return result;
+    }
+}
+
+//// [/user/username/projects/myproject/lib2/data2.ts]
+import { Data } from "./data";
+export class Data2 {
+    public dat?: Data;
+}
+
+//// [/user/username/projects/myproject/tsconfig.json]
+{"files":["app.ts"],"compilerOptions":{"baseUrl":".","assumeChangesOnlyAffectDirectDependencies":true}}
+
+//// [/a/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; }
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib1/tools/public.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib1/public.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib2/data2.js]
+"use strict";
+exports.__esModule = true;
+var Data2 = /** @class */ (function () {
+    function Data2() {
+    }
+    return Data2;
+}());
+exports.Data2 = Data2;
+
+
+//// [/user/username/projects/myproject/lib2/data.js]
+"use strict";
+exports.__esModule = true;
+var Data = /** @class */ (function () {
+    function Data() {
+    }
+    Data.prototype.test = function () {
+        var result = {
+            title: "title"
+        };
+        return result;
+    };
+    return Data;
+}());
+exports.Data = Data;
+
+
+//// [/user/username/projects/myproject/lib2/public.js]
+"use strict";
+function __export(m) {
+    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+}
+exports.__esModule = true;
+__export(require("./data"));
+
+
+//// [/user/username/projects/myproject/app.js]
+"use strict";
+exports.__esModule = true;
+var public_1 = require("lib2/public");
+var App = /** @class */ (function () {
+    function App() {
+        new public_1.Data().test();
+    }
+    return App;
+}());
+exports.App = App;
+
+
+
+Output::
+>> Screen clear
+12:00:39 AM - Starting compilation in watch mode...
+
+
+
+12:00:54 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/app.ts"]
+Program options: {"baseUrl":"/user/username/projects/myproject","assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data2.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data2.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/app.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/tools.interface.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data2.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Rename property title to title2 of interface ITest
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.ts]
+export interface ITest {
+    title2: string;
+}
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.js] file written with same contents
+//// [/user/username/projects/myproject/lib1/tools/public.js] file written with same contents
+
+Output::
+>> Screen clear
+12:00:58 AM - File change detected. Starting incremental compilation...
+
+
+
+12:01:05 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/app.ts"]
+Program options: {"baseUrl":"/user/username/projects/myproject","assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data2.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/app.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/tools.interface.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data2.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/updates-errors-when-file-transitively-exported-file-changes/when-there-are-no-circular-import-and-exports.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/updates-errors-when-file-transitively-exported-file-changes/when-there-are-no-circular-import-and-exports.js
new file mode 100644
index 0000000000000..b0d915d80867c
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/updates-errors-when-file-transitively-exported-file-changes/when-there-are-no-circular-import-and-exports.js
@@ -0,0 +1,219 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.ts]
+export interface ITest {
+    title: string;
+}
+
+//// [/user/username/projects/myproject/lib1/tools/public.ts]
+export * from "./tools.interface";
+
+//// [/user/username/projects/myproject/app.ts]
+import { Data } from "lib2/public";
+export class App {
+    public constructor() {
+        new Data().test();
+    }
+}
+
+//// [/user/username/projects/myproject/lib2/public.ts]
+export * from "./data";
+
+//// [/user/username/projects/myproject/lib1/public.ts]
+export * from "./tools/public";
+
+//// [/user/username/projects/myproject/lib2/data.ts]
+import { ITest } from "lib1/public";
+export class Data {
+    public test() {
+        const result: ITest = {
+            title: "title"
+        }
+        return result;
+    }
+}
+
+//// [/user/username/projects/myproject/tsconfig.json]
+{"files":["app.ts"],"compilerOptions":{"baseUrl":".","assumeChangesOnlyAffectDirectDependencies":true}}
+
+//// [/a/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; }
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib1/tools/public.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib1/public.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/myproject/lib2/data.js]
+"use strict";
+exports.__esModule = true;
+var Data = /** @class */ (function () {
+    function Data() {
+    }
+    Data.prototype.test = function () {
+        var result = {
+            title: "title"
+        };
+        return result;
+    };
+    return Data;
+}());
+exports.Data = Data;
+
+
+//// [/user/username/projects/myproject/lib2/public.js]
+"use strict";
+function __export(m) {
+    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+}
+exports.__esModule = true;
+__export(require("./data"));
+
+
+//// [/user/username/projects/myproject/app.js]
+"use strict";
+exports.__esModule = true;
+var public_1 = require("lib2/public");
+var App = /** @class */ (function () {
+    function App() {
+        new public_1.Data().test();
+    }
+    return App;
+}());
+exports.App = App;
+
+
+
+Output::
+>> Screen clear
+12:00:37 AM - Starting compilation in watch mode...
+
+
+
+12:00:50 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/app.ts"]
+Program options: {"baseUrl":"/user/username/projects/myproject","assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/app.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/tools.interface.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Rename property title to title2 of interface ITest
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.ts]
+export interface ITest {
+    title2: string;
+}
+
+//// [/user/username/projects/myproject/lib1/tools/tools.interface.js] file written with same contents
+//// [/user/username/projects/myproject/lib1/tools/public.js] file written with same contents
+
+Output::
+>> Screen clear
+12:00:54 AM - File change detected. Starting incremental compilation...
+
+
+
+12:01:01 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/myproject/app.ts"]
+Program options: {"baseUrl":"/user/username/projects/myproject","assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/myproject/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+/user/username/projects/myproject/lib1/public.ts
+/user/username/projects/myproject/lib2/data.ts
+/user/username/projects/myproject/lib2/public.ts
+/user/username/projects/myproject/app.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/myproject/lib1/tools/tools.interface.ts
+/user/username/projects/myproject/lib1/tools/public.ts
+
+WatchedFiles::
+/user/username/projects/myproject/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/myproject/app.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib2/data.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/public.ts:
+  {"pollingInterval":250}
+/user/username/projects/myproject/lib1/tools/tools.interface.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/myproject/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
diff --git a/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/with-noEmitOnError.js b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/with-noEmitOnError.js
new file mode 100644
index 0000000000000..f2aa1e833bf1a
--- /dev/null
+++ b/tests/baselines/reference/tscWatch/emitAndErrorUpdates/config-with---assumeChangesOnlyAffectDirectDependencies/with-noEmitOnError.js
@@ -0,0 +1,151 @@
+/a/lib/tsc.js --w
+//// [/user/username/projects/noEmitOnError/shared/types/db.ts]
+export interface A {
+    name: string;
+}
+
+//// [/user/username/projects/noEmitOnError/src/main.ts]
+import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;
+
+//// [/user/username/projects/noEmitOnError/src/other.ts]
+console.log("hi");
+export { }
+
+//// [/user/username/projects/noEmitOnError/tsconfig.json]
+{"compilerOptions":{"outDir":"./dev-build","noEmitOnError":true,"assumeChangesOnlyAffectDirectDependencies":true}}
+
+//// [/a/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; };
+
+
+Output::
+>> Screen clear
+12:00:31 AM - Starting compilation in watch mode...
+
+
+src/main.ts(4,1): error TS1005: ',' expected.
+
+
+12:00:32 AM - Found 1 error. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/noEmitOnError/shared/types/db.ts","/user/username/projects/noEmitOnError/src/main.ts","/user/username/projects/noEmitOnError/src/other.ts"]
+Program options: {"outDir":"/user/username/projects/noEmitOnError/dev-build","noEmitOnError":true,"assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/noEmitOnError/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/noEmitOnError/shared/types/db.ts
+/user/username/projects/noEmitOnError/src/main.ts
+/user/username/projects/noEmitOnError/src/other.ts
+
+Semantic diagnostics in builder refreshed for::
+/a/lib/lib.d.ts
+/user/username/projects/noEmitOnError/shared/types/db.ts
+/user/username/projects/noEmitOnError/src/main.ts
+/user/username/projects/noEmitOnError/src/other.ts
+
+WatchedFiles::
+/user/username/projects/noemitonerror/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/shared/types/db.ts:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/src/main.ts:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/src/other.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/noemitonerror/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/noemitonerror:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined
+
+Change:: Fix the error
+
+//// [/user/username/projects/noEmitOnError/src/main.ts]
+import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};
+
+//// [/user/username/projects/noEmitOnError/dev-build/shared/types/db.js]
+"use strict";
+exports.__esModule = true;
+
+
+//// [/user/username/projects/noEmitOnError/dev-build/src/main.js]
+"use strict";
+exports.__esModule = true;
+var a = {
+    lastName: 'sdsd'
+};
+
+
+//// [/user/username/projects/noEmitOnError/dev-build/src/other.js]
+"use strict";
+exports.__esModule = true;
+console.log("hi");
+
+
+
+Output::
+>> Screen clear
+12:00:36 AM - File change detected. Starting incremental compilation...
+
+
+
+12:00:53 AM - Found 0 errors. Watching for file changes.
+
+
+Program root files: ["/user/username/projects/noEmitOnError/shared/types/db.ts","/user/username/projects/noEmitOnError/src/main.ts","/user/username/projects/noEmitOnError/src/other.ts"]
+Program options: {"outDir":"/user/username/projects/noEmitOnError/dev-build","noEmitOnError":true,"assumeChangesOnlyAffectDirectDependencies":true,"watch":true,"configFilePath":"/user/username/projects/noEmitOnError/tsconfig.json"}
+Program files::
+/a/lib/lib.d.ts
+/user/username/projects/noEmitOnError/shared/types/db.ts
+/user/username/projects/noEmitOnError/src/main.ts
+/user/username/projects/noEmitOnError/src/other.ts
+
+Semantic diagnostics in builder refreshed for::
+/user/username/projects/noEmitOnError/src/main.ts
+
+WatchedFiles::
+/user/username/projects/noemitonerror/tsconfig.json:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/shared/types/db.ts:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/src/main.ts:
+  {"pollingInterval":250}
+/user/username/projects/noemitonerror/src/other.ts:
+  {"pollingInterval":250}
+/a/lib/lib.d.ts:
+  {"pollingInterval":250}
+
+FsWatches::
+
+FsWatchesRecursive::
+/user/username/projects/noemitonerror/node_modules/@types:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+/user/username/projects/noemitonerror:
+  {"fallbackPollingInterval":500,"fallbackOptions":{"watchFile":"PriorityPollingInterval"}}
+
+exitCode:: ExitStatus.undefined