Merge pull request #199 from electron/add-compiler-bypass

Add method to bypass the compilers completely

src/index.js

@@ -3,6 +3,7 @@ import * as configParser from './config-parser';
 import CompilerHost from './compiler-host';
 import FileChangedCache from './file-change-cache';
 import CompileCache from './compile-cache';
+import {addBypassChecker} from './protocol-hook';
 //import {enableLiveReload} from './live-reload';
 //import {watchPath} from './pathwatcher-rx';
 
@@ -21,5 +22,5 @@ module.exports = Object.assign({
   },
 },
   configParser,
-  { CompilerHost, FileChangedCache, CompileCache }
+  { CompilerHost, FileChangedCache, CompileCache, addBypassChecker }
 );

src/protocol-hook.js

@@ -79,6 +79,19 @@ function requestFileJob(filePath, finish) {
   });
 }
 
+const bypassCheckers = [];
+
+/**
+ * Adds a function that will be called on electron-compile's protocol hook
+ * used to intercept file requests.  Use this to bypass electron-compile
+ * entirely for certain URI's.
+ * 
+ * @param {Function} bypassChecker Function that will be called with the file path to determine whether to bypass or not
+ */
+export function addBypassChecker(bypassChecker) {
+  bypassCheckers.push(bypassChecker);
+}
+
 /**
  * Initializes the protocol hook on file: that allows us to intercept files
  * loaded by Chromium and rewrite them. This method along with
@@ -163,6 +176,14 @@ export function initializeProtocolHook(compilerHost) {
       return;
     }
 
+    for (const bypassChecker of bypassCheckers) {
+      if (bypassChecker(filePath)) {
+        d('bypassing compilers for:', filePath);
+        requestFileJob(filePath, finish);
+        return;
+      }
+    }
+
     try {
       let result = await compilerHost.compile(filePath);