ignoring files feature

packages/example/src/ignored/getDate.ts

@@ -0,0 +1 @@
+export const ignoredVar : string | null = 42;

packages/example/tsconfig.json

@@ -11,6 +11,7 @@
         "name": "ts-overrides-plugin",
         "transform": "ts-overrides-plugin",
         "transformProgram": true,
+        "ignores": ["src/ignored/**/*.{ts,tsx}"],
         "overrides": [
           {
             "files": ["src/modern/**/*.{ts,tsx}"],

packages/plugin/README.md

@@ -1,10 +1,10 @@
 # ts-overrides-plugin
 
-A plugin for `TypeScript` that allows overriding `tsconfig` for specific files
+A plugin for `TypeScript` that allows overriding `tsconfig` and ignoring for specific files
 
-[![typedoc-theme-hierarchy (latest)](https://img.shields.io/npm/v/ts-overrides-plugin)](https://www.npmjs.com/package/ts-overrides-plugin)
-[![typedoc-theme-hierarchy (downloads)](https://img.shields.io/npm/dw/ts-overrides-plugin)](https://www.npmjs.com/package/ts-overrides-plugin)
-[![typedoc-theme-hierarchy (stars)](https://img.shields.io/github/stars/difuks/ts-overrides-plugin?style=social)](https://github.com/DiFuks/ts-overrides-plugin)
+[![ts-overrides-plugin (latest)](https://img.shields.io/npm/v/ts-overrides-plugin)](https://www.npmjs.com/package/ts-overrides-plugin)
+[![ts-overrides-plugin (downloads)](https://img.shields.io/npm/dw/ts-overrides-plugin)](https://www.npmjs.com/package/ts-overrides-plugin)
+[![ts-overrides-plugin (stars)](https://img.shields.io/github/stars/difuks/ts-overrides-plugin?style=social)](https://github.com/DiFuks/ts-overrides-plugin)
 
 ## Why is it needed?
 
@@ -18,6 +18,7 @@ any other cases where you need to override the `tsconfig` settings for specific
 - Override diagnostics for files in the `IDE`
 - Override type hints when hovering over variables in the `IDE`
 - Override diagnostics for files in `webpack`, `tsc`, and other builders that use `ts-patch`
+- Ignore files from type checking in the `IDE` and builders
 
 
 ## Known issues
@@ -48,6 +49,7 @@ In the `tsconfig.json` file, add:
     "plugins": [
       {
         "name": "ts-overrides-plugin",
+        "ignores": ["src/ignored/**/*.{ts,tsx}"], // Path to files (glob) that should be ignored from type checking. Should not start with './'
         "overrides": [
             {
               "files": ["src/modern/**/*.{ts,tsx}"], // Path to files (glob) for which settings need to be overridden. Should not start with './'
@@ -92,6 +94,7 @@ In the `tsconfig.json` file, add:
         "name": "ts-overrides-plugin",
         "transform": "ts-overrides-plugin",
         "transformProgram": true,
+        "ignores": ["src/ignored/**/*.{ts,tsx}"], // Path to files (glob) that should be ignored from type checking. Should not start with './'
         "overrides": [
           {
             "files": ["src/modern/**/*.{ts,tsx}"], // Path to files (glob) for which settings need to be overridden. Should not start with './'

packages/plugin/src/cli/index.ts

@@ -6,7 +6,8 @@ import type ts from 'typescript';
 import { type Override } from '../types/Override';
 
 interface CliPluginConfig extends PluginConfig {
-	overrides: Override[];
+	overrides?: Override[];
+	ignores?: string[];
 }
 
 export const getOverridePrograms = (
@@ -41,8 +42,13 @@ export const getDiagnosticForFile = (
 	target: ts.Program,
 	sourceFile: ts.SourceFile,
 	method: 'getSemanticDiagnostics' | 'getBindAndCheckDiagnostics',
+	ignoreMatcher: ((fileName: string) => boolean) | null,
 	cancellationToken?: ts.CancellationToken,
 ): readonly ts.Diagnostic[] => {
+	if (ignoreMatcher?.(sourceFile.fileName)) {
+		return [];
+	}
+
 	const { fileName } = sourceFile;
 
 	const overrideProgramForFile = overridePrograms.find(overrideProgram =>
@@ -57,19 +63,28 @@ export const getDiagnosticForFile = (
 export const getDiagnosticsForProject = (
 	program: ts.Program,
 	overridePrograms: ts.Program[],
+	ignoreMatcher: ((fileName: string) => boolean) | null,
 	cancellationToken?: ts.CancellationToken,
 ): ts.Diagnostic[] =>
 	program
 		.getSourceFiles()
 		.flatMap(sourceFile =>
-			getDiagnosticForFile(overridePrograms, program, sourceFile, `getSemanticDiagnostics`, cancellationToken),
+			getDiagnosticForFile(
+				overridePrograms,
+				program,
+				sourceFile,
+				`getSemanticDiagnostics`,
+				ignoreMatcher,
+				cancellationToken,
+			),
 		);
 
 const plugin: ProgramTransformer = (program, host, pluginConfig, extras) => {
-	const { overrides: overridesFromConfig } = pluginConfig as CliPluginConfig;
+	const { overrides: overridesFromConfig = [], ignores } = pluginConfig as CliPluginConfig;
 	const { plugins, ...defaultCompilerOptions } = program.getCompilerOptions();
 	const sortedOverridesFromConfig = [...overridesFromConfig].reverse();
 	const rootPath = defaultCompilerOptions.project ? path.dirname(defaultCompilerOptions.project) : process.cwd();
+	const ignoreMatcher = ignores ? (fileName: string) => outmatch(ignores)(path.relative(rootPath, fileName)) : null;
 
 	const overridePrograms = getOverridePrograms(
 		rootPath,
@@ -90,6 +105,7 @@ const plugin: ProgramTransformer = (program, host, pluginConfig, extras) => {
 						target,
 						sourceFile,
 						`getBindAndCheckDiagnostics`,
+						ignoreMatcher,
 						cancellationToken,
 					)) as ts.Program['getBindAndCheckDiagnostics'];
 			}
@@ -100,7 +116,7 @@ const plugin: ProgramTransformer = (program, host, pluginConfig, extras) => {
 				return ((sourceFile, cancellationToken) => {
 					// for build ForkTsCheckerWebpackPlugin and tspc
 					if (!sourceFile) {
-						return getDiagnosticsForProject(target, overridePrograms, cancellationToken);
+						return getDiagnosticsForProject(target, overridePrograms, ignoreMatcher, cancellationToken);
 					}
 
 					// for ts-loader - watch and build
@@ -109,6 +125,7 @@ const plugin: ProgramTransformer = (program, host, pluginConfig, extras) => {
 						target,
 						sourceFile,
 						`getSemanticDiagnostics`,
+						ignoreMatcher,
 						cancellationToken,
 					);
 				}) as ts.Program['getSemanticDiagnostics'];

packages/plugin/src/ide/index.ts

@@ -5,7 +5,8 @@ import type ts from 'typescript/lib/tsserverlibrary';
 import type { Override } from '../types/Override';
 
 interface IdePluginConfig {
-	overrides: Override[];
+	overrides?: Override[];
+	ignores?: string[];
 }
 
 const getOverrideLanguageServices = (
@@ -59,7 +60,8 @@ const getLanguageServiceForFile = (
 
 const plugin: ts.server.PluginModuleFactory = ({ typescript }) => ({
 	create: info => {
-		const { overrides: overridesFromConfig } = info.config as IdePluginConfig;
+		const { overrides: overridesFromConfig = [], ignores } = info.config as IdePluginConfig;
+		const ignoresMatcher = ignores ? outmatch(ignores) : null;
 
 		const docRegistry = typescript.createDocumentRegistry();
 
@@ -84,6 +86,10 @@ const plugin: ts.server.PluginModuleFactory = ({ typescript }) => ({
 
 				if (property === `getSemanticDiagnostics`) {
 					return (fileName => {
+						if (ignoresMatcher?.(relative(info.project.getCurrentDirectory(), fileName))) {
+							return [];
+						}
+
 						const overrideForFile = getLanguageServiceForFile(fileName, overrideLanguageServices, target);
 
 						return overrideForFile.getSemanticDiagnostics(fileName);