Added file extension options

src/helpers/config.ts

@@ -45,9 +45,12 @@ export async function prepareConfig(
     paths,
     replacers,
     resolveFullPaths,
-    verbose
+    verbose,
+    fileExtensions: fileExtensionsConfig
   } = loadConfig(configFile, output);
 
+  const fileExtensions = { ...fileExtensionsConfig, ...options.fileExtensions };
+
   output.verbose = verbose;
 
   if (options.resolveFullPaths || resolveFullPaths) {
@@ -75,7 +78,9 @@ export async function prepareConfig(
     hasExtraModule: false,
     configDirInOutPath: null,
     relConfDirPathInOutPath: null,
-    pathCache: new PathCache(!options.watch)
+    pathCache: new PathCache(!options.watch, fileExtensions?.outputCheck),
+    inputGlob:
+      fileExtensions?.inputGlob || '{mjs,cjs,js,jsx,d.{mts,cts,ts,tsx}}'
   };
   output.debug('loaded project config:', projectConfig);
 
@@ -133,6 +138,8 @@ export const loadConfig = (file: string, output: IOutput): ITSConfig => {
   if (TSCAliasConfig?.resolveFullPaths)
     config.resolveFullPaths = TSCAliasConfig.resolveFullPaths;
   if (TSCAliasConfig?.verbose) config.verbose = TSCAliasConfig.verbose;
+  if (TSCAliasConfig?.fileExtensions)
+    config.fileExtensions = TSCAliasConfig.fileExtensions;
 
   const replacerFile = config.replacers?.pathReplacer?.file;
 

src/index.ts

@@ -45,7 +45,7 @@ export async function replaceTscAliasPaths(
   // Finding files and changing alias paths
   const posixOutput = config.outPath.replace(/\\/g, '/').replace(/\/+$/g, '');
   const globPattern = [
-    `${posixOutput}/**/*.{mjs,cjs,js,jsx,d.{mts,cts,ts,tsx}}`,
+    `${posixOutput}/**/*.${config.inputGlob}`,
     `!${posixOutput}/**/node_modules`
   ];
   output.debug('Search pattern:', globPattern);

src/interfaces.ts

@@ -7,6 +7,7 @@ export interface IRawTSConfig {
     replacers?: ReplacerOptions;
     resolveFullPaths?: boolean;
     verbose?: boolean;
+    fileExtensions?: Partial<FileExtensions>;
   };
 }
 
@@ -16,6 +17,11 @@ export type PathLike = {
 
 export type StringReplacer = (importStatement: string) => string;
 
+export interface FileExtensions {
+  inputGlob: string;
+  outputCheck: string[];
+}
+
 export interface ITSConfig {
   baseUrl?: string;
   outDir?: string;
@@ -24,6 +30,7 @@ export interface ITSConfig {
   replacers?: ReplacerOptions;
   resolveFullPaths?: boolean;
   verbose?: boolean;
+  fileExtensions?: Partial<FileExtensions>;
 }
 
 export interface IProjectConfig {
@@ -37,6 +44,7 @@ export interface IProjectConfig {
   configDirInOutPath: string;
   relConfDirPathInOutPath: string;
   pathCache: PathCache;
+  inputGlob: string;
 }
 
 export interface IConfig extends IProjectConfig {
@@ -56,6 +64,7 @@ export interface ReplaceTscAliasPathsOptions {
   replacers?: string[];
   output?: IOutput;
   aliasTrie?: TrieNode<Alias>;
+  fileExtensions?: Partial<FileExtensions>;
 }
 
 export interface Alias {

src/utils/path-cache.ts

@@ -13,8 +13,20 @@ export class PathCache {
   useCache: boolean;
   existsCache: Map<string, boolean>;
   absoluteCache: Map<{ basePath: string; aliasPath: string }, string>;
+  fileExtensions: string[];
 
-  constructor(useCache: boolean) {
+  constructor(useCache: boolean, fileExtensions?: string[]) {
+    this.fileExtensions = fileExtensions || [
+      'js',
+      'json',
+      'jsx',
+      'cjs',
+      'mjs',
+      'd.ts',
+      'd.tsx',
+      'd.cts',
+      'd.mts'
+    ];
     this.useCache = useCache;
     if (useCache) {
       this.existsCache = new Map();
@@ -29,16 +41,10 @@ export class PathCache {
    */
   private exists(path: string): boolean {
     return (
-      existsSync(`${path}`) ||
-      existsSync(`${path}.js`) ||
-      existsSync(`${path}.json`) ||
-      existsSync(`${path}.jsx`) ||
-      existsSync(`${path}.cjs`) ||
-      existsSync(`${path}.mjs`) ||
-      existsSync(`${path}.d.ts`) ||
-      existsSync(`${path}.d.tsx`) ||
-      existsSync(`${path}.d.cts`) ||
-      existsSync(`${path}.d.mts`)
+      existsSync(path) ||
+      this.fileExtensions.some((extension) =>
+        existsSync(`${path}.${extension}`)
+      )
     );
   }