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Nick edited this page Sep 13, 2022 · 4 revisions

Q: When I install the NPM version of the Token Negotiator inside my current project, I am seeing build errors where there are missing packages.

A: Details and a solution to this issue

The Token Negotiator uses modern browser features not supported by older browsers. To use the NPM version of the library, you likely need to include a supported browser list inside your web apps package.json (as shown below) or include a polyfils using a tool such a Browserify in your development pipeline.

  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  },

Alternatively the Browser build (shown below) can be used, which out of the box includes polfils to support older browsers.

Browser build

  <script type="text/javascript" src="./token-negotiator-dist/negotiator.js"></script>
  <link rel="stylesheet" href="./token-negotiator-dist/theme/style.css" />
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