Feb 20, 2023 · Feb 16, 2023 · Feb 17, 2023 · Feb 20, 2023 · Feb 16, 2023
diff --git a/.gitignore b/.gitignore
 .idea
 dist
 _ts3.4
 _ts4.2
 *.tsbuildinfo
 .watchmanconfig
 .rollup.cache
diff --git a/packages/typescript-estree/src/clear-caches.ts b/packages/typescript-estree/src/clear-caches.ts
 import { clearWatchCaches } from './create-program/getWatchProgramsForProjects';
 import { clearProgramCache as clearProgramCacheOriginal } from './parser';
 import { clearTSConfigMatchCache } from './parseSettings/createParseSettings';
 import { clearGlobCache } from './parseSettings/resolveProjectList';

 /**
 * Clears all of the internal caches.
 * Generally you shouldn't need or want to use this.
 * Examples of intended uses:
 * - In tests to reset parser state to keep tests isolated.
 * - In custom lint tooling that iteratively lints one project at a time to prevent OOMs.
 */
 export function clearCaches(): void {
  clearProgramCacheOriginal();
  clearWatchCaches();
  clearTSConfigMatchCache();
  clearGlobCache();
 }

 // TODO - delete this in next major
 export const clearProgramCache = clearCaches();
diff --git a/packages/typescript-estree/src/index.ts b/packages/typescript-estree/src/index.ts
  parseWithNodeMaps,
  ParseAndGenerateServicesResult,
  ParseWithNodeMapsResult,
  clearProgramCache,
 } from './parser';
 export { ParserServices, TSESTreeOptions } from './parser-options';
 export { simpleTraverse } from './simple-traverse';
 export * from './ts-estree';
 export { clearWatchCaches as clearCaches } from './create-program/getWatchProgramsForProjects';
 export { createProgramFromConfigFile as createProgram } from './create-program/useProvidedPrograms';
 export * from './create-program/getScriptKind';
 export { typescriptVersionIsAtLeast } from './version-check';
 export * from './getModifiers';
 export * from './clear-caches';

 // re-export for backwards-compat
 export { visitorKeys } from '@typescript-eslint/visitor-keys';
diff --git a/packages/typescript-estree/src/parseSettings/createParseSettings.ts b/packages/typescript-estree/src/parseSettings/createParseSettings.ts
  return parseSettings;
 }

 export function clearTSConfigMatchCache(): void {
  TSCONFIG_MATCH_CACHE?.clear();
 }

 /**
 * Ensures source code is a string.
 */
diff --git a/packages/typescript-estree/src/parseSettings/resolveProjectList.ts b/packages/typescript-estree/src/parseSettings/resolveProjectList.ts
 let RESOLUTION_CACHE: ExpiringCache<string, readonly CanonicalPath[]> | null =
  null;

 export function clearGlobCache(): void {
  RESOLUTION_CACHE?.clear();
 }

 /**
 * Normalizes, sanitizes, resolves and filters the provided project paths
 */
Original file line number	Diff line number	Diff line change
Expand Up		@@ -76,6 +76,7 @@ jspm_packages/
		.idea
		dist
		_ts3.4
		_ts4.2
		*.tsbuildinfo
		.watchmanconfig
		.rollup.cache
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Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,21 @@
		import { clearWatchCaches } from './create-program/getWatchProgramsForProjects';
		import { clearProgramCache as clearProgramCacheOriginal } from './parser';
		import { clearTSConfigMatchCache } from './parseSettings/createParseSettings';
		import { clearGlobCache } from './parseSettings/resolveProjectList';

		/**
		* Clears all of the internal caches.
		* Generally you shouldn't need or want to use this.
		* Examples of intended uses:
		* - In tests to reset parser state to keep tests isolated.
		* - In custom lint tooling that iteratively lints one project at a time to prevent OOMs.
		*/
		export function clearCaches(): void {
		clearProgramCacheOriginal();
		clearWatchCaches();
		clearTSConfigMatchCache();
		clearGlobCache();
		}

		// TODO - delete this in next major
Copy link Member JoshuaKGoldbergFeb 16, 2023 Choose a reason for hiding this comment The reason will be displayed to describe this comment to others.Learn more. Tracking ticket?
		export const clearProgramCache = clearCaches();
Original file line number	Diff line number	Diff line change
Expand Up		@@ -5,16 +5,15 @@ export {
		parseWithNodeMaps,
		ParseAndGenerateServicesResult,
		ParseWithNodeMapsResult,
		clearProgramCache,
		} from './parser';
		export { ParserServices, TSESTreeOptions } from './parser-options';
		export { simpleTraverse } from './simple-traverse';
		export * from './ts-estree';
		export { clearWatchCaches as clearCaches } from './create-program/getWatchProgramsForProjects';
		export { createProgramFromConfigFile as createProgram } from './create-program/useProvidedPrograms';
		export * from './create-program/getScriptKind';
		export { typescriptVersionIsAtLeast } from './version-check';
		export * from './getModifiers';
		export * from './clear-caches';

		// re-export for backwards-compat
		export { visitorKeys } from '@typescript-eslint/visitor-keys';
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Original file line number	Diff line number	Diff line change
Expand Up		@@ -121,6 +121,10 @@ export function createParseSettings(
		return parseSettings;
		}

		export function clearTSConfigMatchCache(): void {
		TSCONFIG_MATCH_CACHE?.clear();
		}

		/**
		* Ensures source code is a string.
		*/
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Original file line number	Diff line number	Diff line change
Expand Up		@@ -21,6 +21,10 @@ const log = debug(
		let RESOLUTION_CACHE: ExpiringCache<string, readonly CanonicalPath[]> \| null =
		null;

		export function clearGlobCache(): void {
		RESOLUTION_CACHE?.clear();
		}

		/**
		* Normalizes, sanitizes, resolves and filters the provided project paths
		*/
Expand Down