Rename navigation option 'waitFor' into 'waitUntil'.

This patch renames navigation option 'waitFor' into 'waitUntil' to
avoid confusion with 'page.waitFor' call.

References #39.

docs/api.md

@@ -232,11 +232,11 @@ Page is guaranteed to have a main frame which persists during navigations.
 - `url` <[string]> URL to navigate page to
 - `options` <[Object]> Navigation parameters which might have the following properties:
   - `maxTime` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds.
-  - `waitFor` <[string]> When to consider navigation succeeded, defaults to `load`. Could be either:
+  - `waitUntil` <[string]> When to consider navigation succeeded, defaults to `load`. Could be either:
     - `load` - consider navigation to be finished when the `load` event is fired.
     - `networkidle` - consider navigation to be finished when the network activity stays "idle" for at least `networkIdleTimeout`ms.
-  - `networkIdleInflight` <[number]> Maximum amount of inflight requests which are considered "idle". Takes effect only with `waitFor: 'networkidle'` parameter.
-  - `networkIdleTimeout` <[number]> A timeout to wait before completing navigation. Takes effect only with `waitFor: 'networkidle'` parameter.
+  - `networkIdleInflight` <[number]> Maximum amount of inflight requests which are considered "idle". Takes effect only with `waitUntil: 'networkidle'` parameter.
+  - `networkIdleTimeout` <[number]> A timeout to wait before completing navigation. Takes effect only with `waitUntil: 'networkidle'` parameter.
 - returns: <[Promise]<[Response]>> Promise which resolves to the main resource response. In case of multiple redirects, the navigation will resolve with the response of the last redirect.
 
 The `page.navigate` will throw an error if:

lib/Navigator.js

@@ -28,9 +28,9 @@ class Navigator {
     this._maxTime = typeof options['maxTime'] === 'number' ? options['maxTime'] : 30000;
     this._idleTime = typeof options['networkIdleTimeout'] === 'number' ? options['networkIdleTimeout'] : 1000;
     this._idleInflight = typeof options['networkIdleInflight'] === 'number' ? options['networkIdleInflight'] : 2;
-    this._waitFor = typeof options['waitFor'] === 'string' ? options['waitFor'] : 'load';
+    this._waitUntil = typeof options['waitUntil'] === 'string' ? options['waitUntil'] : 'load';
 
-    console.assert(this._waitFor === 'load' || this._waitFor === 'networkidle', 'Unknown value for options.waitFor: ' + this._waitFor);
+    console.assert(this._waitUntil === 'load' || this._waitUntil === 'networkidle', 'Unknown value for options.waitUntil: ' + this._waitUntil);
   }
 
   /**
@@ -52,7 +52,7 @@ class Navigator {
       throw e;
     }
 
-    const error = await Promise.race([certificateError, watchdog, this._waitFor === 'load' ? loadEventFired : networkIdle]);
+    const error = await Promise.race([certificateError, watchdog, this._waitUntil === 'load' ? loadEventFired : networkIdle]);
     this._cleanup();
     if (error)
       throw error;

test/test.js

@@ -274,7 +274,7 @@ describe('Puppeteer', function() {
       // Navigate to a page which loads immediately and then does a bunch of
       // requests via javascript's fetch method.
       let navigationPromise = page.navigate(PREFIX + '/networkidle.html', {
-        waitFor: 'networkidle',
+        waitUntil: 'networkidle',
         networkIdleTimeout: 100,
         networkIdleInflight: 0, // Only be idle when there are 0 inflight requests
       });
@@ -324,7 +324,7 @@ describe('Puppeteer', function() {
       // Navigate to a page which loads immediately and then opens a bunch of
       // websocket connections and then a fetch request.
       let navigationPromise = page.navigate(PREFIX + '/websocket.html', {
-        waitFor: 'networkidle',
+        waitUntil: 'networkidle',
         networkIdleTimeout: 100,
         networkIdleInflight: 0, // Only be idle when there are 0 inflight requests/connections
       });