Add support for watching a directory other than project root.

README.md

@@ -37,14 +37,15 @@ Most features are disabled by default but you can customize behaviour by passing
 Run as a terminal command without adding it as a dependency using `npx`:
 
 ```s
-npx servor <root> <fallback> <port>
+npx servor <root> <fallback> <port> <watchRoot>
 ```
 
 > You can pass a GitHub repo as `<root>` using the syntax `gh:<user>/<repository>`
 
 - `<root>` path to serve static files from (defaults to current directory `.`)
 - `<fallback>` the file served for all non-file requests (defaults to `index.html`)
 - `<port>` what port you want to serve the files from (defaults to `8080`)
+- `<watchRoot>` path you want the file watcher to use (defaults to `<root>`)
 
 Optional flags passed as non-positional arguments:
 
@@ -101,6 +102,7 @@ Use servor programmatically with node by requiring it as a module in your script
 const servor = require('servor');
 const instance = await servor({
   root: '.',
+  watchRoot: '.',
   fallback: 'index.html',
   module: false,
   static: false,

cli.js

@@ -78,6 +78,7 @@ const open =
     root: args[0],
     fallback: args[1],
     port: args[2],
+    watchRoot: args[3],
     reload: !!~process.argv.indexOf('--reload'),
     module: !!~process.argv.indexOf('--module'),
     static: !!~process.argv.indexOf('--static'),

servor.js

@@ -13,6 +13,7 @@ const { fileWatch, usePort, networkIps } = require('./utils/common.js');
 
 module.exports = async ({
   root = '.',
+  watchRoot = root,
   module = false,
   fallback = module ? 'index.js' : 'index.html',
   reload = true,
@@ -36,6 +37,7 @@ module.exports = async ({
   // Configure globals
 
   root = root.startsWith('/') ? root : path.join(process.cwd(), root);
+  watchRoot = watchRoot.startsWith('/') ? watchRoot : path.join(process.cwd(), watchRoot);
 
   const reloadClients = [];
   const protocol = credentials ? 'https' : 'http';
@@ -152,7 +154,7 @@ module.exports = async ({
   // Notify livereload reloadClients on file change
 
   reload &&
-    fileWatch(root, () => {
+    fileWatch(watchRoot, () => {
       while (reloadClients.length > 0)
         sendMessage(reloadClients.pop(), 'message', 'reload');
     });
@@ -165,5 +167,5 @@ module.exports = async ({
   });
 
   const x = { url: `${protocol}://localhost:${port}` };
-  return { ...x, root, protocol, port, ips: networkIps };
+  return { ...x, root, watchRoot, protocol, port, ips: networkIps };
 };