create-dan/template/.next/cache/next-babel-loader/766420a983a278f585df46ed9599f72e.json

Dan frameworks

{"ast":null,"code":"\"use strict\";\n\nvar _classCallCheck = require(\"@babel/runtime-corejs2/helpers/classCallCheck\");\n\nvar _createClass = require(\"@babel/runtime-corejs2/helpers/createClass\");\n\nvar _interopRequireDefault = require(\"@babel/runtime-corejs2/helpers/interopRequireDefault\");\n\nexports.__esModule = true;\nexports[\"default\"] = void 0;\n\nvar _promise = _interopRequireDefault(require(\"@babel/runtime-corejs2/core-js/promise\"));\n\nvar DOMAttributeNames = {\n  acceptCharset: 'accept-charset',\n  className: 'class',\n  htmlFor: 'for',\n  httpEquiv: 'http-equiv'\n};\n\nvar HeadManager =\n/*#__PURE__*/\nfunction () {\n  function HeadManager() {\n    var _this = this;\n\n    _classCallCheck(this, HeadManager);\n\n    this.updateHead = function (head) {\n      var promise = _this.updatePromise = _promise[\"default\"].resolve().then(function () {\n        if (promise !== _this.updatePromise) return;\n        _this.updatePromise = null;\n\n        _this.doUpdateHead(head);\n      });\n    };\n\n    this.updatePromise = null;\n  }\n\n  _createClass(HeadManager, [{\n    key: \"doUpdateHead\",\n    value: function doUpdateHead(head) {\n      var _this2 = this;\n\n      var tags = {};\n      head.forEach(function (h) {\n        var components = tags[h.type] || [];\n        components.push(h);\n        tags[h.type] = components;\n      });\n      this.updateTitle(tags.title ? tags.title[0] : null);\n      var types = ['meta', 'base', 'link', 'style', 'script'];\n      types.forEach(function (type) {\n        _this2.updateElements(type, tags[type] || []);\n      });\n    }\n  }, {\n    key: \"updateTitle\",\n    value: function updateTitle(component) {\n      var title = '';\n\n      if (component) {\n        var children = component.props.children;\n        title = typeof children === 'string' ? children : children.join('');\n      }\n\n      if (title !== document.title) document.title = title;\n    }\n  }, {\n    key: \"updateElements\",\n    value: function updateElements(type, components) {\n      var headEl = document.getElementsByTagName('head')[0];\n      var headCountEl = headEl.querySelector('meta[name=next-head-count]');\n\n      if (false) {\n        if (!headCountEl) {\n          console.error('Warning: next-head-count is missing. https://err.sh/next.js/next-head-count-missing');\n          return;\n        }\n      }\n\n      var headCount = Number(headCountEl.content);\n      var oldTags = [];\n\n      for (var i = 0, j = headCountEl.previousElementSibling; i < headCount; i++, j = j.previousElementSibling) {\n        if (j.tagName.toLowerCase() === type) {\n          oldTags.push(j);\n        }\n      }\n\n      var newTags = components.map(reactElementToDOM).filter(function (newTag) {\n        for (var k = 0, len = oldTags.length; k < len; k++) {\n          var oldTag = oldTags[k];\n\n          if (oldTag.isEqualNode(newTag)) {\n            oldTags.splice(k, 1);\n            return false;\n          }\n        }\n\n        return true;\n      });\n      oldTags.forEach(function (t) {\n        return t.parentNode.removeChild(t);\n      });\n      newTags.forEach(function (t) {\n        return headEl.insertBefore(t, headCountEl);\n      });\n      headCountEl.content = (headCount - oldTags.length + newTags.length).toString();\n    }\n  }]);\n\n  return HeadManager;\n}();\n\nexports[\"default\"] = HeadManager;\n\nfunction reactElementToDOM(_ref) {\n  var type = _ref.type,\n      props = _ref.props;\n  var el = document.createElement(type);\n\n  for (var p in props) {\n    if (!props.hasOwnProperty(p)) continue;\n    if (p === 'children' || p === 'dangerouslySetInnerHTML') continue;\n    var attr = DOMAttributeNames[p] || p.toLowerCase();\n    el.setAttribute(attr, props[p]);\n  }\n\n  var children = props.children,\n      dangerouslySetInnerHTML = props.dangerouslySetInnerHTML;\n\n  if (dangerouslySetInnerHTML) {\n    el.innerHTML = dangerouslySetInnerHTML.__html || '';\n  } else if (children) {\n    el.textContent = typeof children === 'string' ? children : children.join('');\n  }\n\n  return el;\n}","map":null,"metadata":{},"sourceType":"script"}