Having Issues Compiling React App which was dumped on my plate - reactjs

Question

I git the code..made some minor changes to a few componenets....correcting typos
Here is the issue that when I run npm start I'm receive
ERROR in ./~/xmlhttprequest/lib/XMLHttpRequest.js Module not found:
Error: Cannot resolve module 'child_process' in
/Users/xx/Desktop/REPOS/MIT_WEBS/tripsharing/node_modules/xmlhttprequest/lib
# ./~/xmlhttprequest/lib/XMLHttpRequest.js 15:12-36
ERROR in ./~/xmlhttprequest/lib/XMLHttpRequest.js Module not found:
Error: Cannot resolve module 'fs' in
/Users/xx/Desktop/REPOS/MIT_WEBS/tripsharing/node_modules/xmlhttprequest/lib
# ./~/xmlhttprequest/lib/XMLHttpRequest.js 16:9-22
{
"name": "ZZ",
"version": "0.0.1",
"description": "ZZ website",
"main": "index.js",
"scripts": {
"start": "./node_modules/.bin/webpack-dev-server --config ./webpack.config.js"
},
"repository": {
"type": "git",
"url": "git#github.com:wonyoungso/tripsharing.git"
},
"license": "MIT",
"author": "Wonyoung So",
"dependencies": {
"csv": "1.1.0",
"d3": "^4.5.0",
"gsap": "^1.18.5",
"immutable": "3.8.1",
"jquery": "2.2.3",
"json-loader": "0.5.4",
"lodash": "4.12.0",
"rc-slider": "^6.1.0",
"react": "^15.4.2",
"react-dom": "^15.4.2",
"react-motion": "^0.4.7",
"react-redux": "^5.0.2",
"react-retina-image": "^2.0.3",
"redux": "^3.6.0",
"stats-webpack-plugin": "^0.2.1",
"textures": "^1.0.5",
"turf": "3.0.5"
},
"devDependencies": {
"babel-core": "6.8.0",
"babel-loader": "6.2.4",
"babel-preset-es2015": "6.6.0",
"babel-preset-react": "6.5.0",
"babel-preset-stage-2": "6.5.0",
"webpack": "^1.9.11",
"grunt": "~0.4.5",
"grunt-contrib-watch": "~0.6.1",
"grunt-contrib-concat": "~0.5.0",
"grunt-contrib-nodeunit": "~0.4.1",
"grunt-contrib-sass": "~0.9.2",
"webpack-dev-server": "^1.9.0"
}
}