react-scripts production build forever

package.json

{
  "name": "admin-web-app",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "axios": "^0.16.2",
    "d3": "^4.13.0",
    "dotenv": "^4.0.0",
    "font-awesome": "^4.7.0",
    "font-awesome-webpack": "0.0.5-beta.2",
    "fs": "0.0.1-security",
    "history": "^4.7.2",
    "html-to-react": "^1.3.3",
    "husky": "^0.14.3",
    "immutable": "^3.8.2",
    "intl": "^1.2.5",
    "intl-locales-supported": "^1.0.0",
    "lint-staged": "^7.2.0",
    "lodash.debounce": "^4.0.8",
    "lodash.get": "^4.4.2",
    "lodash.isequal": "^4.5.0",
    "lodash.isequalwith": "^4.4.0",
    "lodash.remove": "^4.7.0",
    "lodash.shuffle": "^4.2.0",
    "lodash.trim": "^4.5.1",
    "material-icons": "^0.1.0",
    "material-ui": "^0.20.0",
    "material-ui-chip-input": "^0.18.7",
    "moment": "^2.22.1",
    "normalizr": "^3.2.4",
    "prettier": "^1.13.7",
    "prop-types": "^15.6.1",
    "qs": "^6.5.1",
    "query-string": "^5.1.1",
    "quilljs": "^0.18.1",
    "react": "^16.3.2",
    "react-addons-css-transition-group": "^15.6.2",
    "react-audio-player": "^0.5.0",
    "react-avatar-editor": "^9.1.1",
    "react-big-calendar": "^0.17.0",
    "react-click-outside": "^2.3.1",
    "react-color": "^2.14.1",
    "react-custom-scrollbars": "^4.2.1",
    "react-d3-radar": "^0.2.6",
    "react-dom": "^16.3.2",
    "react-draggable": "^3.0.5",
    "react-dropzone": "^3.13.4",
    "react-facebook-login": "^3.7.2",
    "react-flip-move": "^3.0.2",
    "react-google-login": "^2.11.3",
    "react-grid-layout": "^0.16.6",
    "react-helmet": "^5.2.0",
    "react-loadable": "^5.4.0",
    "react-measure": "^2.0.2",
    "react-pdf-js": "^1.0.37",
    "react-player": "^0.17.2",
    "react-quill": "^1.2.7",
    "react-redux": "^5.0.7",
    "react-router": "^4.2.0",
    "react-router-config": "^1.0.0-beta.4",
    "react-router-dom": "^4.2.2",
    "react-router-redux": "^5.0.0-alpha.9",
    "react-scrollable-anchor": "^0.5.0",
    "react-selectable": "^2.0.1",
    "react-share": "^1.19.1",
    "react-slick": "^0.14.11",
    "react-sortable-hoc": "tungang/react-sortable-hoc",
    "react-sortable-tree": "^0.1.21",
    "react-stars": "^2.2.5",
    "react-swipeable-views": "^0.12.13",
    "react-to-print": "^1.0.14",
    "react-virtualized": "^9.18.5",
    "redux": "^3.7.2",
    "redux-form": "^6.8.0",
    "redux-form-material-ui": "^4.3.4",
    "redux-persist": "^5.9.1",
    "redux-saga": "^0.14.8",
    "reselect": "^3.0.1",
    "riek": "^1.1.0",
    "screenfull": "^3.3.2",
    "slick-carousel": "^1.8.1",
    "socket.io-client": "^2.1.0",
    "sprintf-js": "^1.1.1",
    "styled-components": "^3.2.6"
  },
  "devDependencies": {
    "babel-cli": "^6.26.0",
    "babel-eslint": "^7.2.3",
    "babel-jest": "^19.0.0",
    "babel-plugin-import": "^1.8.0",
    "babel-preset-es2015": "^6.24.1",
    "babel-preset-stage-2": "^6.24.1",
    "enzyme": "^3.3.0",
    "enzyme-adapter-react-16": "^1.1.1",
    "eslint": "5.6.0",
    "eslint-config-airbnb": "^14.1.0",
    "eslint-plugin-babel": "^4.1.2",
    "eslint-plugin-flowtype": "^2.46.2",
    "eslint-plugin-import": "^2.11.0",
    "eslint-plugin-jsx-a11y": "^4.0.0",
    "eslint-plugin-mocha": "^4.12.1",
    "eslint-plugin-react": "^6.10.3",
    "eslint-plugin-redux-saga": "^0.3.0",
    "file-loader": "^0.11.2",
    "happypack": "^4.0.1",
    "install": "^0.8.9",
    "jest-localstorage-mock": "^2.2.0",
    "json-schema-filter": "^0.1.5",
    "node-sass-chokidar": "0.0.3",
    "npm-run-all": "^4.1.2",
    "react-addons-test-utils": "^15.6.2",
    "react-app-rewire-less": "^2.1.1",
    "react-app-rewire-uglifyjs": "^0.1.1",
    "react-app-rewire-vendor-splitting": "^1.3.0",
    "react-app-rewired": "^1.5.2",
    "react-cosmos": "^3.6.1",
    "react-cosmos-redux-proxy": "^3.6.1",
    "react-cosmos-wrapper-proxy": "^1.1.1",
    "react-scripts": "^2.0.0-next.2150693d",
    "react-test-renderer": "^16.3.2",
    "redux-devtools-extension": "^2.13.2",
    "regenerator-runtime": "^0.10.5",
    "riek": "^1.1.0",
    "scriptjs": "^2.5.8",
    "style-loader": "^0.13.1",
    "url-loader": "^0.5.9",
    "webpack-bundle-analyzer": "^3.0.2"
  },
  "lint-staged": {
    "src/**/*.{js,jsx,json,css}": [
      "prettier --single-quote --write",
      "git add"
    ]
  },
  "scripts": {
    "precommit": "lint-staged",
    "build-css": "node-sass-chokidar src/ -o src/",
    "watch-css": "npm run build-css && node-sass-chokidar src/ -o src/ --watch --recursive --usePolling --polling-interval 500",
    "start-js": "react-app-rewired start",
    "wstart": "npm-run-all -p watch-css start-js",
    "start": "NODE_PATH=./src npm-run-all -p watch-css start-js",
    "build": "node build-production.js && npm run build-css && react-app-rewired build",
    "test": "NODE_PATH=./src jest --setupTestFrameworkScriptFile=raf/polyfill",
    "wtest": "jest",
    "eject": "react-scripts eject",
    "cosmos": "NODE_PATH=./src cosmos",
    "cosmos:export": "NODE_PATH=./src cosmos-export"
  },
  "jest": {
    "setupFiles": [
      "jest-localstorage-mock"
    ]
  },
  "browserslist": [
    ">0.25%",
    "not op_mini all",
    "ie 11"
  ]
}