Merge branch 'custom-swcrc-file'

Author: airhorns

src/Options.ts

@@ -1,6 +1,6 @@
 import type { Options as SwcOptions } from "@swc/core";
 
-type SwcConfig = ".swcrc" | SwcOptions;
+export type SwcConfig = string | SwcOptions;
 
 export interface RunOptions {
   argv: string[];

src/SwcCompiler.ts

@@ -126,8 +126,11 @@ export class SwcCompiler implements Compiler {
 
     let swcConfig: Options;
 
-    if (!config.swc || config.swc === ".swcrc") {
-      swcConfig = { swcrc: true };
+    if (!config.swc || typeof config.swc === "string") {
+      swcConfig = {
+        swcrc: true,
+        configFile: config.swc && config.swc !== ".swcrc" ? path.resolve(root, config.swc) : undefined,
+      };
     } else if (config.swc === undefined) {
       swcConfig = SWC_DEFAULTS;
     } else {