shinaisan

import * as d3 from 'd3';

var config = {
  width: 640,
  height: 640,
  plot: {
    width: 560,
    height: 560,
  }
};

shinaisan

import peg from 'pegjs';

(() => {
  // Event handler
  const button = document.getElementById('button-parse');
  button.addEventListener('click', (evt) => {
    const div = document.getElementById('div-output');
    try {
      // Syntax
      const syntaxInput = document.getElementById('textarea-syntax');

shinaisan

import peg from 'pegjs';
import pegSrc from './source.pegjs';

(() => {
  // Event handler
  const button = document.getElementById('button-parse');
  button.addEventListener('click', (evt) => {
    const div = document.getElementById('div-output');
    try {
      // Input

shinaisan

body {
  margin-top: 10px;
}

shinaisan

Minimal Example of Logstash HTTP Input

Logstash

pushd $THIS_GIST_DIR
test -d data || mkdir data
test -d logs || mkdir logs
logstash --path.settings $THIS_GIST_DIR --path.logs $THIS_GIST_DIR/logs --path.data $THIS_GIST_DIR/data -f $THIS_GIST_DIR/pipeline.config

shinaisan

Short Example of Logstash JSON Filter

Logstash

pushd $THIS_GIST_DIR
test -d data || mkdir data
test -d logs || mkdir logs
logstash --path.settings $THIS_GIST_DIR --path.logs $THIS_GIST_DIR/logs --path.data $THIS_GIST_DIR/data -f $THIS_GIST_DIR/pipeline.config

shinaisan

const { createLogger, format, transports } = require('winston');

let test = {};

test.json = (args) => {
  const logger = createLogger({
    format: format.combine(
      format.timestamp(),
      format.json()
    ),

shinaisan

const express = require('express');
const fs = require('fs');
const path = require('path');
const morgan = require('morgan');

const morganFormat = (tokens, req, res) => (
  JSON.stringify({
    'remote-addr': tokens['remote-addr'](req),
    'remote-user': tokens['remote-user'](req),
    'date': tokens.date(req, res, 'iso'),

shinaisan

const { createLogger, format, transports } = require('winston');

let test = {};

const myFormat = (info) => (
  JSON.stringify(info)
);

test.custom = (args) => {
  const logger = createLogger({

shinaisan

const { createLogger, format, transports } = require('winston');

let test = {};

test.common = (pretty, args) => {
  const output = (pretty
    ? format.prettyPrint()
    : format.simple());
  const logger = createLogger({
    format: format.combine(