bcd-dashboard.js

const bcd = require('mdn-browser-compat-data');
const entries = (bcd);
const browsers = ["webview_android", "chrome", "chrome_android", "edge", "edge_mobile", "firefox", "firefox_android", "ie", "nodejs", "opera", "opera_android", "qq_android", "safari", "safari_ios", "samsunginternet_android", "uc_android", "uc_chinese_android"];
let csvfile = "feature, ";

browsers.forEach(function (browser) {
  csvfile = csvfile + browser + ", ";
});
csvfile = csvfile + "\n";


function extract_support(supportobject) {
  csvfile = csvfile + ", ";
  browsers.forEach(function (browser) {
    let issue = false;
    let exists = supportobject.support.hasOwnProperty(browser);

    if (!exists) {
      issue = true;
      csvfile = csvfile + "not in JSON, ";
    }
    if (exists) {
      let helper = (JSON.stringify(supportobject.support[browser]));
      if (helper.includes("true")) {
        issue = true;
        csvfile = csvfile + "true value, ";
      }
      if (helper.includes("null")) {
        issue = true;
        csvfile = csvfile + "null value, ";
      }
    }
    if (!issue) {
      csvfile = csvfile + "real value, "; //real value might be a version number or "false"
    }
  });
  csvfile = csvfile + "\n";
}


function testcompat(name, feature_object, path) {
  let temp_path = "";
  for (var x in feature_object) {
    if (x == "__compat") {
      csvfile = csvfile + path;
      extract_support(feature_object[x]);
    } else {
      temp_path = path;
      path = path + "/" + x;
      testcompat(x, feature_object[x], path);
      path = temp_path;
    }

  }
}

for (let feature_name in entries) {
  let path2 = "";
  if (feature_name == "browsers") {} else {
    path2 = feature_name;
    testcompat(feature_name, entries[feature_name], path2);
  }
}

console.log(csvfile);