kentcdodds · ryansully · Oct 15, 2019
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -50,6 +50,17 @@
         "code",
         "test"
       ]
+    },
+    {
+      "login": "ryansully",
+      "name": "Ryan Sullivan",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/51629?v=4",
+      "profile": "http://ryansully.com/",
+      "contributions": [
+        "code",
+        "test"
+      ]
     }
-  ]
+  ],
+  "repoType": "github"
 }
diff --git a/README.md b/README.md
@@ -9,7 +9,7 @@ Utilities for [nps][nps] (npm-package-scripts)
 [![downloads][downloads-badge]][npm-stat]
 [![MIT License][license-badge]][LICENSE]
 
-[![All Contributors](https://img.shields.io/badge/all_contributors-4-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-5-orange.svg?style=flat-square)](#contributors)
 [![PRs Welcome][prs-badge]][prs]
 [![Donate][donate-badge]][donate]
 [![Code of Conduct][coc-badge]][coc]
@@ -102,8 +102,9 @@ list them here!
 Thanks goes to these people ([emoji key][emojis]):
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
-| [<img src="https://avatars.githubusercontent.com/u/1500684?v=3" width="100px;"/><br /><sub>Kent C. Dodds</sub>](https://kentcdodds.com)<br />[💻](https://github.com/kentcdodds/nps-utils/commits?author=kentcdodds) [📖](https://github.com/kentcdodds/nps-utils/commits?author=kentcdodds) 🚇 [⚠️](https://github.com/kentcdodds/nps-utils/commits?author=kentcdodds) | [<img src="https://avatars2.githubusercontent.com/u/7352279?v=3" width="100px;"/><br /><sub>Huy Nguyen</sub>](https://www.huy-nguyen.com/)<br />[📖](https://github.com/kentcdodds/nps-utils/commits?author=huy-nguyen) 🚇 | [<img src="https://avatars1.githubusercontent.com/u/1970063?v=4" width="100px;"/><br /><sub>Keith Gunn</sub>](https://github.com/gunnx)<br />[🐛](https://github.com/kentcdodds/nps-utils/issues?q=author%3Agunnx) [💻](https://github.com/kentcdodds/nps-utils/commits?author=gunnx) [📖](https://github.com/kentcdodds/nps-utils/commits?author=gunnx) [⚠️](https://github.com/kentcdodds/nps-utils/commits?author=gunnx) | [<img src="https://avatars3.githubusercontent.com/u/215033?v=4" width="100px;"/><br /><sub>Mike Cann</sub>](http://www.mikecann.co.uk)<br />[💻](https://github.com/kentcdodds/nps-utils/commits?author=mikecann) [⚠️](https://github.com/kentcdodds/nps-utils/commits?author=mikecann) |
-| :---: | :---: | :---: | :---: |
+<!-- prettier-ignore -->
+| [<img src="https://avatars.githubusercontent.com/u/1500684?v=3" width="100px;"/><br /><sub><b>Kent C. Dodds</b></sub>](https://kentcdodds.com)<br />[💻](https://github.com/kentcdodds/nps-utils/commits?author=kentcdodds "Code") [📖](https://github.com/kentcdodds/nps-utils/commits?author=kentcdodds "Documentation") [🚇](#infra-kentcdodds "Infrastructure (Hosting, Build-Tools, etc)") [⚠️](https://github.com/kentcdodds/nps-utils/commits?author=kentcdodds "Tests") | [<img src="https://avatars2.githubusercontent.com/u/7352279?v=3" width="100px;"/><br /><sub><b>Huy Nguyen</b></sub>](https://www.huy-nguyen.com/)<br />[📖](https://github.com/kentcdodds/nps-utils/commits?author=huy-nguyen "Documentation") [🚇](#infra-huy-nguyen "Infrastructure (Hosting, Build-Tools, etc)") | [<img src="https://avatars1.githubusercontent.com/u/1970063?v=4" width="100px;"/><br /><sub><b>Keith Gunn</b></sub>](https://github.com/gunnx)<br />[🐛](https://github.com/kentcdodds/nps-utils/issues?q=author%3Agunnx "Bug reports") [💻](https://github.com/kentcdodds/nps-utils/commits?author=gunnx "Code") [📖](https://github.com/kentcdodds/nps-utils/commits?author=gunnx "Documentation") [⚠️](https://github.com/kentcdodds/nps-utils/commits?author=gunnx "Tests") | [<img src="https://avatars3.githubusercontent.com/u/215033?v=4" width="100px;"/><br /><sub><b>Mike Cann</b></sub>](http://www.mikecann.co.uk)<br />[💻](https://github.com/kentcdodds/nps-utils/commits?author=mikecann "Code") [⚠️](https://github.com/kentcdodds/nps-utils/commits?author=mikecann "Tests") | [<img src="https://avatars3.githubusercontent.com/u/51629?v=4" width="100px;"/><br /><sub><b>Ryan Sullivan</b></sub>](http://ryansully.com/)<br />[💻](https://github.com/kentcdodds/nps-utils/commits?author=ryansully "Code") [⚠️](https://github.com/kentcdodds/nps-utils/commits?author=ryansully "Tests") |
+| :---: | :---: | :---: | :---: | :---: |
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors][all-contributors] specification. Contributions of any kind welcome!

diff --git a/src/__snapshots__/index.test.js.snap b/src/__snapshots__/index.test.js.snap
@@ -68,6 +68,10 @@ exports[`setColors as darwin 1`] = `"node node_modules/concurrently/src/main.js
 
 exports[`setColors as win32 1`] = `"node node_modules/concurrently/src/main.js --kill-others-on-fail --prefix-colors \\"white.bgBlue.bold,black.bgYellow.dim\\" --prefix \\"[{name}]\\" --names \\"lint,build\\" \\"nps lint\\" \\"nps build\\""`;
 
+exports[`setConcurrentFlags as darwin 1`] = `"node node_modules/concurrently/src/main.js --kill-others-on-fail --no-color --prefix-colors \\"bgBlue.bold,bgMagenta.bold\\" --prefix \\"[{name}]\\" --names \\"lint,build\\" 'nps lint' 'nps build'"`;
+
+exports[`setConcurrentFlags as win32 1`] = `"node node_modules/concurrently/src/main.js --kill-others-on-fail --no-color --prefix-colors \\"bgBlue.bold,bgMagenta.bold\\" --prefix \\"[{name}]\\" --names \\"lint,build\\" \\"nps lint\\" \\"nps build\\""`;
+
 exports[`shellEscape as darwin 1`] = `"'testing $:{}()[]ą^ęńł'\\"'\\"'÷//'\\"'\\"'\`\\" '"`;
 
 exports[`shellEscape as win32 1`] = `"\\"testing $:{}()[]ą^ęńł'÷//'\`\\"\\" \\""`;
diff --git a/src/index.js b/src/index.js
@@ -13,6 +13,10 @@ let defaultColors = [
   // TODO: add more colors that look good?
 ]
 
+let defaultConcurrentFlags = [
+  '--kill-others-on-fail',
+]
+
 export {
   concurrent,
   series,
@@ -30,6 +34,7 @@ export {
   includePackage,
   shellEscape,
   getBin,
+  setConcurrentFlags,
 }
 
 /**
@@ -41,6 +46,16 @@ export {
 function setColors(colors) {
   defaultColors = colors
 }
+
+/**
+ * Set custom flags to be passed to concurrently
+ * @param {string[]} flags - Array of command line arguments for concurrently
+ * @see https://github.com/kimmobrunfeldt/concurrently
+ */
+function setConcurrentFlags(flags) {
+  defaultConcurrentFlags = flags
+}
+
 /**
  * Accepts any number of scripts, filters out any
  * falsy ones and joins them with ' && '
@@ -117,7 +132,7 @@ function concurrent(scripts) {
       names: [],
     })
   const flags = [
-    '--kill-others-on-fail',
+    ...defaultConcurrentFlags,
     `--prefix-colors "${colors.join(',')}"`,
     '--prefix "[{name}]"',
     `--names "${names.join(',')}"`,

diff --git a/src/index.test.js b/src/index.test.js
@@ -59,6 +59,10 @@ const snapshotTests = {
   shellEscape: ({shellEscape}) =>
     shellEscape(`testing $:{}()[]ą^ęńł'÷/\\'\`" `),
   getBin: ({getBin}) => getBin('rimraf'),
+  setConcurrentFlags: ({concurrent, setConcurrentFlags}) => {
+    setConcurrentFlags(['--kill-others-on-fail', '--no-color'])
+    return concurrent.nps('lint', 'build')
+  },
 }
 
 Object.keys(snapshotTests).forEach(testName => {