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node_modules/caniuse-api/dist/utils.js 1.69 KB
aaac7fed   liuqimichale   add
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  "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.contains = contains;
  exports.parseCaniuseData = parseCaniuseData;
  exports.cleanBrowsersList = cleanBrowsersList;
  
  var _lodash = require("lodash.uniq");
  
  var _lodash2 = _interopRequireDefault(_lodash);
  
  var _browserslist = require("browserslist");
  
  var _browserslist2 = _interopRequireDefault(_browserslist);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function contains(str, substr) {
    return !!~str.indexOf(substr);
  }
  
  function parseCaniuseData(feature, browsers) {
    var support = {};
    var letters;
    var letter;
  
    browsers.forEach(function (browser) {
      support[browser] = {};
      for (var info in feature.stats[browser]) {
        letters = feature.stats[browser][info].split(" ");
        info = parseFloat(info.split("-")[0]); //if info is a range, take the left
        if (isNaN(info)) continue;
        for (var i = 0; i < letters.length; i++) {
          letter = letters[i];
          if (letter === "y") {
            // min support asked, need to find the min value
            if (typeof support[browser][letter] === "undefined" || info < support[browser][letter]) {
              support[browser][letter] = info;
            }
          } else {
            // any other support, need to find the max value
            if (typeof support[browser][letter] === "undefined" || info > support[browser][letter]) {
              support[browser][letter] = info;
            }
          }
        }
      }
    });
  
    return support;
  }
  
  function cleanBrowsersList(browserList) {
    return (0, _lodash2.default)((0, _browserslist2.default)(browserList).map(function (browser) {
      return browser.split(" ")[0];
    }));
  }