Exporting gitter to HTML

app.js

'use strict';
const fs = require('fs');
var http = require('http');
http.createServer(function (req, res) {
    res.setHeader("Content-Type", "text/html");
    let rawdata = fs.readFileSync('imagej-imagej.json');
    let room = JSON.parse(rawdata);
    room.sort(function(a,b) {
      if ( a.sent < b.sent )
          return -1;
      if ( a.sent > b.sent )
          return 1;
      return 0;
    } );
    res.end(buildHTML(room));
}).listen(8080);

var buildHTML = function(room) {
  var result = "<style>.msg {margin: 20px;max-width: 900px;background:#f2f2f4; padding:5px;} .meta{font-size:90%;margin-bottom:7px;}</style>";
  room.forEach(function(msg) {
    console.log(msg);
    var author = "<div class='meta'>" + msg["sent"] + " " + msg["fromUser"]["displayName"] + " (" + msg["fromUser"]["username"] + ")</div>";
    var text = msg["html"];
    result += "<div class='msg'>"
    result += author;
    result += text;
    result += "</div>";
  });
  return result;
}

get gitter json log.sh

npm install --global gitter-export-room

# get YOURTOKEN by opening https://developer.gitter.im and sign in

gitter-export-room list --token YOURTOKEN

# copy ROOMID of the room you want to export, e.g. 5503522515522ed4b3dd3b5a for imagej/imagej

gitter-export-room 5503522515522ed4b3dd3b5a --token YOURTOKEN  > imagej-imagej.json

node app.js