feat(core): expose TS Program in RuleContext

Author: johnsoncodehk

packages/core/index.ts

@@ -77,6 +77,9 @@ export function createLinter(
 				? {
 					...ctx,
 					sourceFile: ctx.languageService.getProgram()!.getSourceFile(fileName)!,
+					get program() {
+						return ctx.languageService.getProgram()!;
+					},
 					report,
 					reportError: report,
 					reportWarning: report,
@@ -85,6 +88,9 @@ export function createLinter(
 				: {
 					...ctx,
 					languageService: syntaxOnlyLanguageService,
+					get program(): ts.Program {
+						throw new Error('Not supported');
+					},
 					sourceFile: getNonBoundSourceFile(fileName),
 					report,
 					reportError: report,

packages/types/index.ts

@@ -5,6 +5,7 @@ import type {
 	FileTextChanges,
 	LanguageService,
 	LanguageServiceHost,
+	Program,
 	SourceFile,
 } from 'typescript';
 
@@ -43,6 +44,7 @@ export interface RuleContext {
 	typescript: typeof import('typescript');
 	languageServiceHost: LanguageServiceHost;
 	languageService: LanguageService;
+	program: Program;
 	sourceFile: SourceFile;
 	report(message: string, start: number, end: number, stackOffset?: number): Reporter;
 	/**