Arguments: 
  /usr/local/bin/node /usr/local/bin/yarn run build

PATH: 
  /Users/anatoliy/.local/bin/luna-studio:/Users/anatoliy/google-cloud-sdk/bin:./node_modules/.bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/anatoliy/Library/Android/sdk/tools:/Users/anatoliy/Library/Android/sdk/platform-tools:/usr/local/opt/go/libexec/bin

Yarn version: 
  1.5.1

Node version: 
  8.11.3

Platform: 
  darwin x64

npm manifest: 
  {
    "name": "json-viewer-custom-element",
    "version": "2.5.0",
    "description": "Custom HTML element: json-viewer",
    "main": "build/custom-element.js",
    "repository": "git@github.com:1602/json-viewer.git",
    "author": "Anatoliy <mail@anatoliy.in>",
    "license": "GNU GENERAL PUBLIC LICENSE v3",
    "private": false,
    "scripts": {
      "test": "elm-verify-examples && elm-test",
      "start": "npm run dev",
      "dev": "webpack-dev-server --hot --port 4000 --colors",
      "build": "webpack",
      "deploy": "gh-pages -d dist",
      "prod": "webpack -p",
      "postinstall": "elm-package install -y && elm-test init"
    },
    "devDependencies": {
      "@babel/core": "^7.0.0-beta.51",
      "@ubio/css": "^1.3.11",
      "babel-core": "^6.26.0",
      "babel-loader": "^7.1.2",
      "babel-preset-env": "latest",
      "chokidar-cli": "^1.2.0",
      "clean-webpack-plugin": "^0.1.17",
      "copy-webpack-plugin": "^4.2.3",
      "css-loader": "^0.28.7",
      "elm": "^0.18.0",
      "elm-hot-loader": "^0.5.4",
      "elm-verify-examples": "^2.3.1",
      "elm-webpack-loader": "^4.4.0",
      "extract-text-webpack-plugin": "^3.0.2",
      "file-loader": "^1.1.5",
      "gh-pages": "^1.1.0",
      "html-webpack-plugin": "^2.30.1",
      "node-sass": "^4.7.2",
      "postcss-loader": "^2.0.9",
      "resolve-url-loader": "^2.2.1",
      "style-loader": "^0.19.0",
      "to-string-loader": "^1.1.5",
      "uglifyjs-webpack-plugin": "^1.2.7",
      "url-loader": "^0.6.2",
      "webpack": "3",
      "webpack-dev-server": "^2.9.7",
      "webpack-merge": "^4.1.1"
    }
  }

yarn manifest: 
  No manifest

Lockfile: 
  No lockfile

Trace: 
  Error: Command failed.
  Exit code: 2
  Command: sh
  Arguments: -c webpack
  Directory: /Users/anatoliy/projects/json-viewer
  Output:
  
      at ProcessTermError.MessageError (/usr/local/lib/node_modules/yarn/lib/cli.js:186:110)
      at new ProcessTermError (/usr/local/lib/node_modules/yarn/lib/cli.js:226:113)
      at ChildProcess.<anonymous> (/usr/local/lib/node_modules/yarn/lib/cli.js:30281:17)
      at emitTwo (events.js:126:13)
      at ChildProcess.emit (events.js:214:7)
      at maybeClose (internal/child_process.js:925:16)
      at Process.ChildProcess._handle.onexit (internal/child_process.js:209:5)