Add --ignoreConfig and dont allow specifying files on commandline without it if there is config file present (#62477)

src/compiler/commandLineParser.ts

@@ -674,6 +674,15 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         description: Diagnostics.Print_names_of_files_that_are_part_of_the_compilation_and_then_stop_processing,
         defaultValueDescription: false,
     },
+    {
+        name: "ignoreConfig",
+        type: "boolean",
+        showInSimplifiedHelpView: true,
+        category: Diagnostics.Command_line_Options,
+        isCommandLineOnly: true,
+        description: Diagnostics.Ignore_the_tsconfig_found_and_build_with_commandline_options_and_files,
+        defaultValueDescription: false,
+    },
 
     // Basic
     targetOptionDeclaration,

src/compiler/diagnosticMessages.json

@@ -1857,6 +1857,10 @@
         "category": "Error",
         "code": 1548
     },
+    "Ignore the tsconfig found and build with commandline options and files.": {
+        "category": "Message",
+        "code": 1549
+    },
 
     "The types of '{0}' are incompatible between these types.": {
         "category": "Error",
@@ -4733,6 +4737,10 @@
         "category": "Message",
         "code": 5111
     },
+    "tsconfig.json is present but will not be loaded if files are specified on commandline. Use '--ignoreConfig' to skip this error.": {
+        "category": "Error",
+        "code": 5112
+    },
 
     "Generates a sourcemap for each corresponding '.d.ts' file.": {
         "category": "Message",

src/compiler/executeCommandLine.ts

@@ -614,20 +614,27 @@ function executeCommandLineWorker(
             }
         }
     }
-    else if (commandLine.fileNames.length === 0) {
+    else if (!commandLine.options.ignoreConfig || commandLine.fileNames.length === 0) {
         const searchPath = normalizePath(sys.getCurrentDirectory());
         configFileName = findConfigFile(searchPath, fileName => sys.fileExists(fileName));
-    }
-
-    if (commandLine.fileNames.length === 0 && !configFileName) {
-        if (commandLine.options.showConfig) {
-            reportDiagnostic(createCompilerDiagnostic(Diagnostics.Cannot_find_a_tsconfig_json_file_at_the_current_directory_Colon_0, normalizePath(sys.getCurrentDirectory())));
+        // if (!commandLine.options.ignoreConfig) {
+        if (commandLine.fileNames.length !== 0) {
+            if (configFileName) {
+                // Error to not specify config file
+                reportDiagnostic(createCompilerDiagnostic(Diagnostics.tsconfig_json_is_present_but_will_not_be_loaded_if_files_are_specified_on_commandline_Use_ignoreConfig_to_skip_this_error));
+                return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped);
+            }
         }
-        else {
-            printVersion(sys);
-            printHelp(sys, commandLine);
+        else if (!configFileName) {
+            if (commandLine.options.showConfig) {
+                reportDiagnostic(createCompilerDiagnostic(Diagnostics.Cannot_find_a_tsconfig_json_file_at_the_current_directory_Colon_0, normalizePath(sys.getCurrentDirectory())));
+            }
+            else {
+                printVersion(sys);
+                printHelp(sys, commandLine);
+            }
+            return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped);
         }
-        return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped);
     }
 
     const currentDirectory = sys.getCurrentDirectory();

src/compiler/types.ts

@@ -7552,6 +7552,7 @@ export interface CompilerOptions {
     /** @internal */ watch?: boolean;
     esModuleInterop?: boolean;
     /** @internal */ showConfig?: boolean;
+    /** @internal */ ignoreConfig?: boolean;
     useDefineForClassFields?: boolean;
     /** @internal */ tscBuild?: boolean;
 

src/testRunner/tests.ts

@@ -119,6 +119,7 @@ export * from "./unittests/tsc/composite.js";
 export * from "./unittests/tsc/declarationEmit.js";
 export * from "./unittests/tsc/extends.js";
 export * from "./unittests/tsc/forceConsistentCasingInFileNames.js";
+export * from "./unittests/tsc/ignoreConfig.js";
 export * from "./unittests/tsc/incremental.js";
 export * from "./unittests/tsc/libraryResolution.js";
 export * from "./unittests/tsc/listFilesOnly.js";

src/testRunner/unittests/tsc/ignoreConfig.ts

@@ -0,0 +1,58 @@
+import * as ts from "../../_namespaces/ts.js";
+import { jsonToReadableText } from "../helpers.js";
+import { verifyTsc } from "../helpers/tsc.js";
+import { TestServerHost } from "../helpers/virtualFileSystemWithWatch.js";
+
+describe("unittests:: tsc:: ignoreConfig::", () => {
+    function sysWithoutConfig() {
+        return TestServerHost.createWatchedSystem({
+            "/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+            "/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+            "/home/src/workspaces/project/c.ts": "export const c = 10;",
+        });
+    }
+    function sysWithConfig() {
+        const sys = sysWithoutConfig();
+        sys.writeFile(
+            "/home/src/workspaces/project/tsconfig.json",
+            jsonToReadableText({
+                include: ["src"],
+            }),
+        );
+        return sys;
+    }
+    function runScenario(subScenario: string, commandLineArgs: readonly string[]) {
+        verifyTsc({
+            scenario: "ignoreConfig",
+            subScenario,
+            sys: sysWithConfig,
+            commandLineArgs,
+        });
+
+        verifyTsc({
+            scenario: "ignoreConfig",
+            subScenario: subScenario + " with --ignoreConfig",
+            sys: sysWithConfig,
+            commandLineArgs: commandLineArgs.concat("--ignoreConfig"),
+        });
+
+        verifyTsc({
+            scenario: "ignoreConfig",
+            subScenario: subScenario + " when config file absent",
+            sys: sysWithoutConfig,
+            commandLineArgs,
+        });
+
+        verifyTsc({
+            scenario: "ignoreConfig",
+            subScenario: subScenario + " when config file absent with --ignoreConfig",
+            sys: sysWithoutConfig,
+            commandLineArgs: commandLineArgs.concat("--ignoreConfig"),
+        });
+    }
+
+    runScenario("without any options", ts.emptyArray);
+    runScenario("specifying files", ["src/a.ts"]);
+    runScenario("specifying project", ["-p", "."]);
+    runScenario("mixing project and files", ["-p", ".", "src/a.ts", "c.ts"]);
+});

src/testRunner/unittests/tscWatch/resolutionCache.ts

@@ -424,7 +424,7 @@ declare module "fs" {
                 ],
             });
         }
-        verifyIgnore("watch without configFile", ["--w", `/user/username/projects/myproject/test.ts`]);
+        verifyIgnore("watch without configFile", ["--w", "--ignoreConfig", `/user/username/projects/myproject/test.ts`]);
         verifyIgnore("watch with configFile", ["--w", "-p", `/user/username/projects/myproject/tsconfig.json`]);
     });
 

tests/baselines/reference/config/showConfig/Shows tsconfig for single option/ignoreConfig/tsconfig.json

@@ -0,0 +1,5 @@
+{
+    "compilerOptions": {
+        "ignoreConfig": true
+    }
+}

tests/baselines/reference/tsc/commandLine/does-not-add-color-when-NO_COLOR-is-set.js

@@ -67,6 +67,9 @@ Compile the project given the path to its configuration file, or to a folder wit
 --showConfig
 Print the final configuration instead of building.
 
+--ignoreConfig
+Ignore the tsconfig found and build with commandline options and files.
+
 --build, -b
 Build one or more projects and their dependencies, if out of date
 

tests/baselines/reference/tsc/commandLine/help-all.js

@@ -35,6 +35,9 @@ Print this message.
 --help, -?
 
 
+--ignoreConfig
+Ignore the tsconfig found and build with commandline options and files.
+
 --init
 Initializes a TypeScript project and creates a tsconfig.json file.
 

tests/baselines/reference/tsc/commandLine/help.js

@@ -66,6 +66,9 @@ Compile the project given the path to its configuration file, or to a folder wit
 --showConfig
 Print the final configuration instead of building.
 
+--ignoreConfig
+Ignore the tsconfig found and build with commandline options and files.
+
 --build, -b
 Build one or more projects and their dependencies, if out of date
 

tests/baselines/reference/tsc/commandLine/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped-when-host-can't-provide-terminal-width.js

@@ -67,6 +67,9 @@ Compile the project given the path to its configuration file, or to a folder wit
 --showConfig
 Print the final configuration instead of building.
 
+--ignoreConfig
+Ignore the tsconfig found and build with commandline options and files.
+
 --build, -b
 Build one or more projects and their dependencies, if out of date
 

tests/baselines/reference/tsc/commandLine/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped.js

@@ -67,6 +67,9 @@ Compile the project given the path to its configuration file, or to a folder wit
 --showConfig
 Print the final configuration instead of building.
 
+--ignoreConfig
+Ignore the tsconfig found and build with commandline options and files.
+
 --build, -b
 Build one or more projects and their dependencies, if out of date
 

tests/baselines/reference/tsc/ignoreConfig/mixing-project-and-files-when-config-file-absent-with---ignoreConfig.js

@@ -0,0 +1,33 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+
+/home/src/tslibs/TS/Lib/tsc.js -p . src/a.ts c.ts --ignoreConfig
+Output::
+error TS5042: Option 'project' cannot be mixed with source files on a command line.
+
+
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped

tests/baselines/reference/tsc/ignoreConfig/mixing-project-and-files-when-config-file-absent.js

@@ -0,0 +1,33 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+
+/home/src/tslibs/TS/Lib/tsc.js -p . src/a.ts c.ts
+Output::
+error TS5042: Option 'project' cannot be mixed with source files on a command line.
+
+
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped

tests/baselines/reference/tsc/ignoreConfig/mixing-project-and-files-with---ignoreConfig.js

@@ -0,0 +1,40 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+//// [/home/src/workspaces/project/tsconfig.json]
+{
+  "include": [
+    "src"
+  ]
+}
+
+
+/home/src/tslibs/TS/Lib/tsc.js -p . src/a.ts c.ts --ignoreConfig
+Output::
+error TS5042: Option 'project' cannot be mixed with source files on a command line.
+
+
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped

tests/baselines/reference/tsc/ignoreConfig/mixing-project-and-files.js

@@ -0,0 +1,40 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+//// [/home/src/workspaces/project/tsconfig.json]
+{
+  "include": [
+    "src"
+  ]
+}
+
+
+/home/src/tslibs/TS/Lib/tsc.js -p . src/a.ts c.ts
+Output::
+error TS5042: Option 'project' cannot be mixed with source files on a command line.
+
+
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped

tests/baselines/reference/tsc/ignoreConfig/specifying-files-when-config-file-absent-with---ignoreConfig.js

@@ -0,0 +1,39 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+
+/home/src/tslibs/TS/Lib/tsc.js src/a.ts --ignoreConfig
+Output::
+
+
+//// [/home/src/workspaces/project/src/a.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.a = void 0;
+exports.a = 10;
+
+
+
+exitCode:: ExitStatus.Success

tests/baselines/reference/tsc/ignoreConfig/specifying-files-when-config-file-absent.js

@@ -0,0 +1,39 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+
+/home/src/tslibs/TS/Lib/tsc.js src/a.ts
+Output::
+
+
+//// [/home/src/workspaces/project/src/a.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.a = void 0;
+exports.a = 10;
+
+
+
+exitCode:: ExitStatus.Success

tests/baselines/reference/tsc/ignoreConfig/specifying-files-with---ignoreConfig.js

@@ -0,0 +1,46 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+//// [/home/src/workspaces/project/tsconfig.json]
+{
+  "include": [
+    "src"
+  ]
+}
+
+
+/home/src/tslibs/TS/Lib/tsc.js src/a.ts --ignoreConfig
+Output::
+
+
+//// [/home/src/workspaces/project/src/a.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.a = void 0;
+exports.a = 10;
+
+
+
+exitCode:: ExitStatus.Success

tests/baselines/reference/tsc/ignoreConfig/specifying-files.js

@@ -0,0 +1,40 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+//// [/home/src/workspaces/project/tsconfig.json]
+{
+  "include": [
+    "src"
+  ]
+}
+
+
+/home/src/tslibs/TS/Lib/tsc.js src/a.ts
+Output::
+error TS5112: tsconfig.json is present but will not be loaded if files are specified on commandline. Use '--ignoreConfig' to skip this error.
+
+
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped

tests/baselines/reference/tsc/ignoreConfig/specifying-project-when-config-file-absent-with---ignoreConfig.js

@@ -0,0 +1,33 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+
+/home/src/tslibs/TS/Lib/tsc.js -p . --ignoreConfig
+Output::
+error TS5057: Cannot find a tsconfig.json file at the specified directory: '.'.
+
+
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped

tests/baselines/reference/tsc/ignoreConfig/specifying-project-when-config-file-absent.js

@@ -0,0 +1,33 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+
+/home/src/tslibs/TS/Lib/tsc.js -p .
+Output::
+error TS5057: Cannot find a tsconfig.json file at the specified directory: '.'.
+
+
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped

tests/baselines/reference/tsc/ignoreConfig/specifying-project-with---ignoreConfig.js

@@ -0,0 +1,53 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+//// [/home/src/workspaces/project/tsconfig.json]
+{
+  "include": [
+    "src"
+  ]
+}
+
+
+/home/src/tslibs/TS/Lib/tsc.js -p . --ignoreConfig
+Output::
+
+
+//// [/home/src/workspaces/project/src/a.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.a = void 0;
+exports.a = 10;
+
+
+//// [/home/src/workspaces/project/src/b.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.b = void 0;
+exports.b = 10;
+
+
+
+exitCode:: ExitStatus.Success

tests/baselines/reference/tsc/ignoreConfig/specifying-project.js

@@ -0,0 +1,53 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+//// [/home/src/workspaces/project/tsconfig.json]
+{
+  "include": [
+    "src"
+  ]
+}
+
+
+/home/src/tslibs/TS/Lib/tsc.js -p .
+Output::
+
+
+//// [/home/src/workspaces/project/src/a.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.a = void 0;
+exports.a = 10;
+
+
+//// [/home/src/workspaces/project/src/b.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.b = void 0;
+exports.b = 10;
+
+
+
+exitCode:: ExitStatus.Success

tests/baselines/reference/tsc/ignoreConfig/without-any-options-when-config-file-absent-with---ignoreConfig.js

@@ -0,0 +1,176 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+
+/home/src/tslibs/TS/Lib/tsc.js --ignoreConfig
+Output::
+Version FakeTSVersion
+tsc: The TypeScript Compiler - Version FakeTSVersion
+
+COMMON COMMANDS
+
+  tsc
+  Compiles the current project (tsconfig.json in the working directory.)
+
+  tsc app.ts util.ts
+  Ignoring tsconfig.json, compiles the specified files with default compiler options.
+
+  tsc -b
+  Build a composite project in the working directory.
+
+  tsc --init
+  Creates a tsconfig.json with the recommended settings in the working directory.
+
+  tsc -p ./path/to/tsconfig.json
+  Compiles the TypeScript project located at the specified path.
+
+  tsc --help --all
+  An expanded version of this information, showing all possible compiler options
+
+  tsc --noEmit
+  tsc --target esnext
+  Compiles the current project, with additional settings.
+
+COMMAND LINE FLAGS
+
+--help, -h
+Print this message.
+
+--watch, -w
+Watch input files.
+
+--all
+Show all compiler options.
+
+--version, -v
+Print the compiler's version.
+
+--init
+Initializes a TypeScript project and creates a tsconfig.json file.
+
+--project, -p
+Compile the project given the path to its configuration file, or to a folder with a 'tsconfig.json'.
+
+--showConfig
+Print the final configuration instead of building.
+
+--ignoreConfig
+Ignore the tsconfig found and build with commandline options and files.
+
+--build, -b
+Build one or more projects and their dependencies, if out of date
+
+COMMON COMPILER OPTIONS
+
+--pretty
+Enable color and formatting in TypeScript's output to make compiler errors easier to read.
+type: boolean
+default: true
+
+--declaration, -d
+Generate .d.ts files from TypeScript and JavaScript files in your project.
+type: boolean
+default: `false`, unless `composite` is set
+
+--declarationMap
+Create sourcemaps for d.ts files.
+type: boolean
+default: false
+
+--emitDeclarationOnly
+Only output d.ts files and not JavaScript files.
+type: boolean
+default: false
+
+--sourceMap
+Create source map files for emitted JavaScript files.
+type: boolean
+default: false
+
+--noEmit
+Disable emitting files from a compilation.
+type: boolean
+default: false
+
+--target, -t
+Set the JavaScript language version for emitted JavaScript and include compatible library declarations.
+one of: es5, es6/es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, es2024, esnext
+default: es5
+
+--module, -m
+Specify what module code is generated.
+one of: commonjs, es6/es2015, es2020, es2022, esnext, node16, node18, node20, nodenext, preserve
+default: undefined
+
+--lib
+Specify a set of bundled library declaration files that describe the target runtime environment.
+one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, es2024, esnext, dom, dom.iterable, dom.asynciterable, webworker, webworker.importscripts, webworker.iterable, webworker.asynciterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.arraybuffer, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.string, es2022.regexp, es2023.array, es2023.collection, es2023.intl, es2024.arraybuffer, es2024.collection, es2024.object/esnext.object, es2024.promise, es2024.regexp/esnext.regexp, es2024.sharedmemory, es2024.string/esnext.string, esnext.array, esnext.collection, esnext.intl, esnext.disposable, esnext.promise, esnext.decorators, esnext.iterator, esnext.float16, esnext.typedarrays, esnext.error, esnext.sharedmemory, decorators, decorators.legacy
+default: undefined
+
+--allowJs
+Allow JavaScript files to be a part of your program. Use the 'checkJs' option to get errors from these files.
+type: boolean
+default: `false`, unless `checkJs` is set
+
+--checkJs
+Enable error reporting in type-checked JavaScript files.
+type: boolean
+default: false
+
+--jsx
+Specify what JSX code is generated.
+one of: preserve, react, react-native, react-jsx, react-jsxdev
+default: undefined
+
+--outFile
+Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output.
+
+--outDir
+Specify an output folder for all emitted files.
+
+--removeComments
+Disable emitting comments.
+type: boolean
+default: false
+
+--strict
+Enable all strict type-checking options.
+type: boolean
+default: false
+
+--types
+Specify type package names to be included without being referenced in a source file.
+
+--esModuleInterop
+Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility.
+type: boolean
+default: true
+
+You can learn about all of the compiler options at https://aka.ms/tsc
+
+
+
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped

tests/baselines/reference/tsc/ignoreConfig/without-any-options-when-config-file-absent.js

@@ -0,0 +1,176 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+
+/home/src/tslibs/TS/Lib/tsc.js 
+Output::
+Version FakeTSVersion
+tsc: The TypeScript Compiler - Version FakeTSVersion
+
+COMMON COMMANDS
+
+  tsc
+  Compiles the current project (tsconfig.json in the working directory.)
+
+  tsc app.ts util.ts
+  Ignoring tsconfig.json, compiles the specified files with default compiler options.
+
+  tsc -b
+  Build a composite project in the working directory.
+
+  tsc --init
+  Creates a tsconfig.json with the recommended settings in the working directory.
+
+  tsc -p ./path/to/tsconfig.json
+  Compiles the TypeScript project located at the specified path.
+
+  tsc --help --all
+  An expanded version of this information, showing all possible compiler options
+
+  tsc --noEmit
+  tsc --target esnext
+  Compiles the current project, with additional settings.
+
+COMMAND LINE FLAGS
+
+--help, -h
+Print this message.
+
+--watch, -w
+Watch input files.
+
+--all
+Show all compiler options.
+
+--version, -v
+Print the compiler's version.
+
+--init
+Initializes a TypeScript project and creates a tsconfig.json file.
+
+--project, -p
+Compile the project given the path to its configuration file, or to a folder with a 'tsconfig.json'.
+
+--showConfig
+Print the final configuration instead of building.
+
+--ignoreConfig
+Ignore the tsconfig found and build with commandline options and files.
+
+--build, -b
+Build one or more projects and their dependencies, if out of date
+
+COMMON COMPILER OPTIONS
+
+--pretty
+Enable color and formatting in TypeScript's output to make compiler errors easier to read.
+type: boolean
+default: true
+
+--declaration, -d
+Generate .d.ts files from TypeScript and JavaScript files in your project.
+type: boolean
+default: `false`, unless `composite` is set
+
+--declarationMap
+Create sourcemaps for d.ts files.
+type: boolean
+default: false
+
+--emitDeclarationOnly
+Only output d.ts files and not JavaScript files.
+type: boolean
+default: false
+
+--sourceMap
+Create source map files for emitted JavaScript files.
+type: boolean
+default: false
+
+--noEmit
+Disable emitting files from a compilation.
+type: boolean
+default: false
+
+--target, -t
+Set the JavaScript language version for emitted JavaScript and include compatible library declarations.
+one of: es5, es6/es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, es2024, esnext
+default: es5
+
+--module, -m
+Specify what module code is generated.
+one of: commonjs, es6/es2015, es2020, es2022, esnext, node16, node18, node20, nodenext, preserve
+default: undefined
+
+--lib
+Specify a set of bundled library declaration files that describe the target runtime environment.
+one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, es2024, esnext, dom, dom.iterable, dom.asynciterable, webworker, webworker.importscripts, webworker.iterable, webworker.asynciterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.arraybuffer, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.string, es2022.regexp, es2023.array, es2023.collection, es2023.intl, es2024.arraybuffer, es2024.collection, es2024.object/esnext.object, es2024.promise, es2024.regexp/esnext.regexp, es2024.sharedmemory, es2024.string/esnext.string, esnext.array, esnext.collection, esnext.intl, esnext.disposable, esnext.promise, esnext.decorators, esnext.iterator, esnext.float16, esnext.typedarrays, esnext.error, esnext.sharedmemory, decorators, decorators.legacy
+default: undefined
+
+--allowJs
+Allow JavaScript files to be a part of your program. Use the 'checkJs' option to get errors from these files.
+type: boolean
+default: `false`, unless `checkJs` is set
+
+--checkJs
+Enable error reporting in type-checked JavaScript files.
+type: boolean
+default: false
+
+--jsx
+Specify what JSX code is generated.
+one of: preserve, react, react-native, react-jsx, react-jsxdev
+default: undefined
+
+--outFile
+Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output.
+
+--outDir
+Specify an output folder for all emitted files.
+
+--removeComments
+Disable emitting comments.
+type: boolean
+default: false
+
+--strict
+Enable all strict type-checking options.
+type: boolean
+default: false
+
+--types
+Specify type package names to be included without being referenced in a source file.
+
+--esModuleInterop
+Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility.
+type: boolean
+default: true
+
+You can learn about all of the compiler options at https://aka.ms/tsc
+
+
+
+
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped

tests/baselines/reference/tsc/ignoreConfig/without-any-options-with---ignoreConfig.js

@@ -0,0 +1,53 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+//// [/home/src/workspaces/project/tsconfig.json]
+{
+  "include": [
+    "src"
+  ]
+}
+
+
+/home/src/tslibs/TS/Lib/tsc.js --ignoreConfig
+Output::
+
+
+//// [/home/src/workspaces/project/src/a.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.a = void 0;
+exports.a = 10;
+
+
+//// [/home/src/workspaces/project/src/b.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.b = void 0;
+exports.b = 10;
+
+
+
+exitCode:: ExitStatus.Success

tests/baselines/reference/tsc/ignoreConfig/without-any-options.js

@@ -0,0 +1,53 @@
+currentDirectory:: /home/src/workspaces/project useCaseSensitiveFileNames:: false
+Input::
+//// [/home/src/workspaces/project/src/a.ts]
+export const a = 10;
+
+//// [/home/src/workspaces/project/src/b.ts]
+export const b = 10;
+
+//// [/home/src/workspaces/project/c.ts]
+export const c = 10;
+
+//// [/home/src/tslibs/TS/Lib/lib.d.ts]
+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; };
+
+//// [/home/src/workspaces/project/tsconfig.json]
+{
+  "include": [
+    "src"
+  ]
+}
+
+
+/home/src/tslibs/TS/Lib/tsc.js 
+Output::
+
+
+//// [/home/src/workspaces/project/src/a.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.a = void 0;
+exports.a = 10;
+
+
+//// [/home/src/workspaces/project/src/b.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.b = void 0;
+exports.b = 10;
+
+
+
+exitCode:: ExitStatus.Success

tests/baselines/reference/tscWatch/resolutionCache/ignores-changes-in-node_modules-that-start-with-dot/watch-without-configFile.js

@@ -24,7 +24,7 @@ interface ReadonlyArray<T> {}
 declare const console: { log(msg: any): void; };
 
 
-/home/src/tslibs/TS/Lib/tsc.js --w /user/username/projects/myproject/test.ts
+/home/src/tslibs/TS/Lib/tsc.js --w --ignoreConfig /user/username/projects/myproject/test.ts
 Output::
 >> Screen clear
 [HH:MM:SS AM] Starting compilation in watch mode...
@@ -73,7 +73,8 @@ Program root files: [
   "/user/username/projects/myproject/test.ts"
 ]
 Program options: {
-  "watch": true
+  "watch": true,
+  "ignoreConfig": true
 }
 Program structureReused: Not
 Program files::