Merge pull request #46 from scalvert/fix-signature

Author: scalvert

src/create-bin-tester.ts

@@ -35,15 +35,35 @@ interface RunBin {
    */
   (): execa.ExecaChildProcess<string>;
   /**
-   * A runBin implementation that takes varargs.
+   * A runBin implementation that takes string varargs.
    *
    * @param {...RunBinArgs} args
    * @returns {*}  {execa.ExecaChildProcess<string>}
    * @memberof RunBin
    */
-  (...args: RunBinArgs): execa.ExecaChildProcess<string>;
+  (...args: [...binArgs: string[]]): execa.ExecaChildProcess<string>;
+  /**
+   * A runBin implementation that takes an execa.Options<string> object.
+   *
+   * @param {...RunBinArgs} args
+   * @returns {*}  {execa.ExecaChildProcess<string>}
+   * @memberof RunBin
+   */
+  (...args: [execaOptions: execa.Options<string>]): execa.ExecaChildProcess<string>;
+  /**
+   * A runBin implementation that takes string or an execa.Options<string> object varargs.
+   *
+   * @param {...RunBinArgs} args
+   * @returns {*}  {execa.ExecaChildProcess<string>}
+   * @memberof RunBin
+   */
+  (
+    ...args: [...binArgs: string[], execaOptions: execa.Options<string>]
+  ): execa.ExecaChildProcess<string>;
 }
 
+type RunBinArgs = (string | execa.Options<string>)[];
+
 interface CreateBinTesterResult<TProject extends BinTesterProject> {
   /**
    * Runs the configured bin function via execa.
@@ -63,8 +83,6 @@ interface CreateBinTesterResult<TProject extends BinTesterProject> {
   teardownProject: () => void;
 }
 
-type RunBinArgs = [...binArgs: string[], execaOptions: execa.Options<string>];
-
 const DEFAULT_BIN_TESTER_OPTIONS = {
   staticArgs: [],
 };