add information about customized error.

Author: zbryikt

README.md

@@ -24,7 +24,7 @@ or
 
 ## Members
 
- - `id`: lderror deined error code.
+ - `id`: lderror defined error code.
  - `message`: custom error message (optional)
  - `stack`: stacktrace (optional)
  - `code`: http status code, if applicable (optional)
@@ -117,13 +117,18 @@ To wrap them along with your own event handler, test its return value and procee
     });
 
 
-## Customized information
+## Customized Information
 
 Additional information can be added if needed:
 
  - redirect - instruct a redirect url in order to proper take care of this error.
 
 
+## Customized Error ID
+
+Use ID `10000` ~ `29999` for customized error.
+
+
 ## License
 
 MIT

src/lde.ls

@@ -32,6 +32,7 @@ idmap = do
   1026: "not applicable"
   1027: "missing config"
   1028: "resource unavailable"
+  # 10000 ~ 29999 preserved for customized error
 
 lderror = (opt="", id = 0) ->
   if !(@ instanceof lderror) => return new lderror(opt, id)