highcharts-export-server/samples/cli/infile_not_json.json

Convert Highcharts.JS charts into static image files.

{
  "xAxis": {
    "categories": ["Jan", "Feb", "Mar", "Apr"],
    "labels": {
      "formatter": function () {
        return `Label - ${this.value}`;
      }
    }
  },
  "series": [
    {
      "type": "line",
      "data": [1, 2, 3, 4]
    },
    {
      "type": "line",
      "data": [5, 6, 7, 8]
    }
  ]
}