Made tab reload optional - sometimes we have our own code to reinject…

… content script necessities, or we don't have content script, and sometimes we don't want the page to refresh

hot-reload.js

@@ -17,36 +17,43 @@ const timestampForFilesInDirectory = dir =>
         filesInDirectory (dir).then (files =>
             files.map (f => f.name + f.lastModifiedDate).join ())
 
-const reload = () => {
+const reload = (reloadTab) => {
 
-    chrome.tabs.query ({ active: true, currentWindow: true }, tabs => { // NB: see https://github.com/xpl/crx-hotreload/issues/5
+    if (reloadTab) {
+        chrome.tabs.query ({ active: true, currentWindow: true }, tabs => { // NB: see https://github.com/xpl/crx-hotreload/issues/5
 
-        if (tabs[0]) { chrome.tabs.reload (tabs[0].id) }
+            if (tabs[0]) { chrome.tabs.reload (tabs[0].id) }
 
+            chrome.runtime.reload ()
+        })
+    } else {
         chrome.runtime.reload ()
-    })
+    }
 }
 
-const watchChanges = (dir, lastTimestamp) => {
+const watchChanges = (dir, reloadTab, lastTimestamp) => {
 
     timestampForFilesInDirectory (dir).then (timestamp => {
 
         if (!lastTimestamp || (lastTimestamp === timestamp)) {
 
-            setTimeout (() => watchChanges (dir, timestamp), 1000) // retry after 1s
+            setTimeout (() => watchChanges (dir, reloadTab, timestamp), 1000) // poll every 1s
 
         } else {
 
-            reload ()
+            reload (reloadTab)
         }
     })
 
 }
 
-chrome.management.getSelf (self => {
 
-    if (self.installType === 'development') {
-
-        chrome.runtime.getPackageDirectoryEntry (dir => watchChanges (dir))
+if (typeof module === 'object') {
+    exports.default = (opts) => {
+        chrome.management.getSelf (self => {
+            if (self.installType === 'development') {
+                chrome.runtime.getPackageDirectoryEntry (dir => watchChanges (dir, opts.reloadTab))
+            }
+        })
     }
-})
+}