Need help installing chart package

Questions & Help Questions
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4

I use brunch.

  "dependencies": {
    "bootstrap": "^4.0.0",
    "chart.js": "^2.7.2",
    "copycat-brunch": "^1.1.0",
    "font-awesome": "^4.7.0",
    "jquery": "^3.3.1",
    "phoenix": "file:../deps/phoenix",
    "phoenix_html": "file:../deps/phoenix_html"
  },
  "devDependencies": {
    "babel-brunch": "6.1.1",
    "brunch": "2.10.9",
    "clean-css-brunch": "2.10.0",
    "sass-brunch": "^2.10.4",
    "uglify-js-brunch": "2.10.0"
  }