Fix: it threw for --race even if --parallel exists (fixes #88)

Author: mysticatea

bin/npm-run-all/main.js

@@ -42,15 +42,15 @@ module.exports = function npmRunAll(args, stdout, stderr) {
                         stderr,
                         stdin,
                         parallel: group.parallel,
-                        maxParallel: argv.maxParallel,
+                        maxParallel: group.parallel ? argv.maxParallel : 1,
                         continueOnError: argv.continueOnError,
                         printLabel: argv.printLabel,
                         printName: argv.printName,
                         config: argv.config,
                         packageConfig: argv.packageConfig,
                         silent: argv.silent,
                         arguments: argv.rest,
-                        race: argv.race,
+                        race: group.parallel && argv.race,
                         npmPath: argv.npmPath,
                     }
                 ))

test/mixed.js

@@ -53,4 +53,13 @@ describe("[mixed] npm-run-all", () => {
                 result() === "cbcbddee")
         })
     )
+
+    it("should not throw errors for --race and --max-parallel options if --parallel exists:", () =>
+        runAll([
+            "test-task:append a",
+            "-p", "test-task:append b", "test-task:append c",
+            "-s", "test-task:append d", "test-task:append e",
+            "-r",
+        ])
+    )
 })