From cae12d84c323c26bcc1ada844f7ea5defd762635 Mon Sep 17 00:00:00 2001
From: Andy Edwards <jedwards@fastmail.com>
Date: Wed, 1 Feb 2017 04:06:35 -0600
Subject: [PATCH] feat: pass logEntry to collapsed function (#200)

---
 README.md   | 9 ++++++++-
 src/core.js | 2 +-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 91642d8..b041f85 100644
--- a/README.md
+++ b/README.md
@@ -119,7 +119,7 @@ on error" in dev tools harder to use, as it breaks on re-throw rather than the o
 
 *Default: `true`*
 
-#### __collapsed = (getState: Function, action: Object) => Boolean__
+#### __collapsed = (getState: Function, action: Object, logEntry: Object) => Boolean__
 Takes a boolean or optionally a function that receives `getState` function for accessing current store state and `action` object as parameters. Returns `true` if the log group should be collapsed, `false` otherwise.
 
 *Default: `false`*
@@ -202,6 +202,13 @@ createLogger({
 });
 ```
 
+### Collapse actions that don't have errors
+```javascript
+createLogger({
+  collapsed: (getState, action, logEntry) => !logEntry.error
+});
+```
+
 ### Transform Immutable (without `combineReducers`)
 ```javascript
 import { Iterable } from 'immutable';
diff --git a/src/core.js b/src/core.js
index 20a0346..f162d49 100644
--- a/src/core.js
+++ b/src/core.js
@@ -60,7 +60,7 @@ export function printBuffer(buffer, options) {
 
     // Message
     const formattedAction = actionTransformer(action);
-    const isCollapsed = (typeof collapsed === `function`) ? collapsed(() => nextState, action) : collapsed;
+    const isCollapsed = (typeof collapsed === `function`) ? collapsed(() => nextState, action, logEntry) : collapsed;
 
     const formattedTime = formatTime(startedTime);
     const titleCSS = colors.title ? `color: ${colors.title(formattedAction)};` : null;