loglevel-plugin-format

fork from loglevel-plugin-prefix

loglevel plugin for log message formatting

Installation

``sh
npm install loglevel-format --save
`

API

`javascript
apply(log[, options]);
`

This method applies the plugin to the logger.

log - root logger, imported from loglevel package

options - configuration object

`javascript
var defaults = {
template: '{"timestamp": %t, "level": %l, "message": %m}',
messageFormatter: function(data){
return data;
},
timestampFormatter: function (date) {
return date.toTimeString().replace(/.(\d{2}:\d{2}:\d{2})./, '$1');
},
levelFormatter: function (level) {
return level.toUpperCase();
},
nameFormatter: function (name) {
return name || 'root';
}
};
``

The template is a string containing zero or more placeholder tokens. Each placeholder token is replaced with the value from loglevel messages parameters. Supported placeholders are:

- %t - timestamp of message
- %l - level of message
- %n - name of logger
- %m - message of logger