Document how to colorize levels (winstonjs#1258)

* closes winstonjs#1135
Mizumaki · Apr 6, 2018 · 147dee5 · 147dee5
1 parent 65308ac
commit 147dee5
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diff --git a/README.md b/README.md
@@ -592,6 +592,17 @@ Possible options are below.
 
 * Background colors: `blackBG`, `redBG`, `greenBG`, `yellowBG`, `blueBG`
   `magentaBG`, `cyanBG`, `whiteBG`
+
+### Colorizing Standard logging levels
+
+To colorize the standard logging level add
+```js
+winston.format.combine(
+  winston.format.colorize(),
+  winston.format.json()
+)
+```
+where `winston.format.json()` is whatever other formatter you want to use.
 
 ## Transports