primitive browser env var with special none value supported

README.md

@@ -107,10 +107,11 @@ srvs(options).then(config => {
 
 The `options` object has the same properties and values as the arguments supported by the command line version. The `config` parameter provided to the resolved `Promise` has the same properties as `options`.
 
-## Caveats
+## Notes
 
 - This is only for use as a development tool, please do not use in production.
 - If you intend to use [dynamic import](https://github.com/tc39/proposal-dynamic-import#import) (as the `examples/hot` project does) to hot reload changed modules, be aware this is [not supported by some browsers](https://caniuse.com/#feat=es6-module-dynamic-import).
+- The `BROWSER` environment variable can be used to control which application to open your page in, or set to `none` to disable browser opening entirely. This feature is inspired by the popular [`create-react-app`](https://facebook.github.io/create-react-app/docs/advanced-configuration).
 
 ## License
 

package.json

@@ -1,6 +1,6 @@
 {
  "name": "srvs",
- "version": "0.3.2",
+ "version": "0.4.0",
  "description": "Zero Dependency Dev Server",
  "files": [
  "src"

src/client/openBrowser.js

@@ -1,10 +1,16 @@
 const childProcess = require("child_process");
 
+const { BROWSER } = process.env;
+
 module.exports = url => {
  let cmd;
  const args = [];
 
- if (process.platform === "darwin") {
+ if (BROWSER.toLowerCase() === "none") {
+ return false;
+ } else if (BROWSER) {
+ cmd = BROWSER;
+ } else if (process.platform === "darwin") {
  try {
  // Try our best to reuse existing tab
  // on OS X Google Chrome with AppleScript