remove ".mts" and ".cts" from resolve extensions

Author: evanw

cmd/esbuild/main.go

@@ -100,7 +100,7 @@ var helpText = func(colors logger.Colors) string {
   --public-path=...         Set the base URL for the "file" loader
   --pure:N                  Mark the name N as a pure function for tree shaking
   --resolve-extensions=...  A comma-separated list of implicit extensions
-                            (default ".tsx,.ts,.cts,.mts,.jsx,.js,.css,.json")
+                            (default ".tsx,.ts,.jsx,.js,.css,.json")
   --servedir=...            What to serve in addition to generated output files
   --source-root=...         Sets the "sourceRoot" field in generated source maps
   --sourcefile=...          Set the source file for the source map (for stdin)

pkg/api/api_impl.go

@@ -405,7 +405,7 @@ func isValidExtension(ext string) bool {
 
 func validateResolveExtensions(log logger.Log, order []string) []string {
 	if order == nil {
-		return []string{".tsx", ".ts", ".cts", ".mts", ".jsx", ".js", ".css", ".json"}
+		return []string{".tsx", ".ts", ".jsx", ".js", ".css", ".json"}
 	}
 	for _, ext := range order {
 		if !isValidExtension(ext) {