Pino error stack filter (pre-serializer)

Filter out the endless error stack trace before Pino streams it out.

Before:

   err: {
      "type": "EagerLoadingError",
      "message": "Xmodel is associated to Ymodel using an alias. You must use the 'as' keyword to specify the alias within your include statement.",
      "stack":
          SequelizeEagerLoadingError: Xmodel is associated to Ymodel using an alias. You must use the 'as' keyword to specify the alias within your include statement.
              at Function._getIncludedAssociation (/path/to/your/project/node_modules/sequelize/lib/model.js:722:13)
              at Function._validateIncludedElement (/path/to/your/project/node_modules/sequelize/lib/model.js:614:53)
              at /path/to/your/project/node_modules/sequelize/lib/model.js:509:37
              at Array.map (<anonymous>)
              at Function._validateIncludedElements (/path/to/your/project/node_modules/sequelize/lib/model.js:504:39)
              at new Model (/path/to/your/project/node_modules/sequelize/lib/model.js:101:26)
              at new Xmodel (/path/to/your/project/models/xmodel.js:4:2)
              at Function.build (/path/to/your/project/node_modules/sequelize/lib/model.js:2145:12)
              at Function.create (/path/to/your/project/node_modules/sequelize/lib/model.js:2195:23)
              at Object.<anonymous> (/path/to/your/project/routes/something.js:37:40)
      "name": "SequelizeEagerLoadingError"
    }
    reqId: 1

After:

   err: {
      "type": "EagerLoadingError",
      "message": "Xmodel is associated to Ymodel using an alias. You must use the 'as' keyword to specify the alias within your include statement.",
      "stack":
              at new Xmodel (/path/to/your/project/models/xmodel.js:4:2)
              at Object.<anonymous> (/path/to/your/project/routes/something.js:37:40)
      "name": "SequelizeEagerLoadingError"
    }
    reqId: 1

Usage

With default options

const pino = require('pino');

// these are the default values
const errorStackSerializerOptions = {
    keywords: [ 'node_modules', '(<anonymous>)' ],
    keepMessage: false
};

const errorStackSerializer = require('pino-error-stack-filter');

const logger = pino({
    level: 'error',
    prettyPrint: {
        colorize: true
    },
    serializers: {
        err: errorStackSerializer(errorStackSerializerOptions) // here we go
    }
});

Options

option	type	default	description
keywords	Array<String>	[ 'node_modules', '(<anonymous>)' ]	list of words to filter a line
keepMessage	Boolean	false	whether to keep the first line which contains the exact same text as the message key