html-to-article-json/dist/parse/embeds.js

Converting HTML to article-json

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _text = require('./text');

var _text2 = _interopRequireDefault(_text);

var _embeds = require('embeds');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var transformers = {
  custom: function custom(_ref) {
    var height = _ref.height,
        width = _ref.width,
        secure = _ref.secure,
        src = _ref.src;
    return {
      type: 'embed',
      embedType: 'custom',
      caption: [],
      attribution: [],
      width: width,
      height: height,
      secure: secure,
      src: src
    };
  },
  vine: function vine(_ref2) {
    var id = _ref2.id,
        url = _ref2.url;
    return {
      type: 'embed',
      embedType: 'vine',
      caption: [],
      attribution: [],
      id: id,
      url: url
    };
  },
  spotify: function spotify(_ref3) {
    var spotifyUri = _ref3.spotifyUri,
        width = _ref3.width,
        height = _ref3.height,
        url = _ref3.url;
    return {
      type: 'embed',
      embedType: 'spotify',
      caption: [],
      attribution: [],
      spotifyUri: spotifyUri,
      width: width,
      height: height,
      url: url
    };
  },
  facebook: function facebook(_ref4) {
    var embedAs = _ref4.embedAs,
        headline = _ref4.headline,
        date = _ref4.date,
        text = _ref4.text,
        url = _ref4.url,
        user = _ref4.user;
    return {
      type: 'embed',
      embedType: 'facebook',
      caption: [],
      attribution: [],
      headline: headline || '',
      url: url,
      date: date,
      user: user,
      text: text,
      embedAs: embedAs
    };
  },
  instagram: function instagram(_ref5) {
    var date = _ref5.date,
        id = _ref5.id,
        text = _ref5.text,
        url = _ref5.url,
        user = _ref5.user;
    return {
      type: 'embed',
      embedType: 'instagram',
      caption: [],
      attribution: [],
      date: date || '',
      user: user || '',
      id: id,
      text: text,
      url: url
    };
  },
  twitter: function twitter(_ref6) {
    var embedAs = _ref6.embedAs,
        url = _ref6.url,
        date = _ref6.date,
        user = _ref6.user,
        id = _ref6.id,
        text = _ref6.text;
    return {
      type: 'embed',
      embedType: 'twitter',
      caption: [],
      attribution: [],
      embedAs: embedAs,
      url: url,
      date: date,
      user: user,
      id: id,
      text: text
    };
  },
  youtube: function youtube(_ref7) {
    var youtubeId = _ref7.youtubeId;
    return {
      type: 'embed',
      embedType: 'youtube',
      caption: [],
      attribution: [],
      youtubeId: youtubeId
    };
  },
  tumblr: function tumblr(_ref8) {
    var url = _ref8.url,
        did = _ref8.did,
        text = _ref8.text;
    return {
      type: 'embed',
      embedType: 'tumblr',
      caption: [],
      url: url,
      did: did,
      text: text
    };
  },
  tidal: function tidal(_ref9) {
    var dataId = _ref9.dataId,
        dataType = _ref9.dataType;
    return {
      type: 'embed',
      embedType: 'tidal',
      caption: [],
      dataId: dataId,
      dataType: dataType
    };
  },
  video: function video(_ref10) {
    var width = _ref10.width,
        height = _ref10.height,
        sources = _ref10.sources;
    return {
      type: 'embed',
      embedType: 'video',
      caption: [],
      attribution: [],
      width: width || '',
      height: height || '',
      sources: sources
    };
  },
  image: function image(_ref11) {
    var width = _ref11.width,
        height = _ref11.height,
        src = _ref11.src,
        alt = _ref11.alt;
    return {
      type: 'embed',
      embedType: 'image',
      caption: alt ? [{ content: alt, type: 'text' }] : [],
      attribution: [],
      width: width || '',
      height: height || '',
      src: src
    };
  }
};

exports.default = function (opts) {
  var text = (0, _text2.default)(opts);
  var _opts$customEmbedType = opts.customEmbedTypes,
      customEmbedTypes = _opts$customEmbedType === undefined ? [] : _opts$customEmbedType;


  var getEmbed = function getEmbed(elms) {
    for (var i = 0; i < elms.length; i++) {
      var elm = elms[i];

      if (elm && elm.tagName) {
        var obj = toEmbedObj(elm) || getEmbed(elm.childNodes);
        if (obj) {
          return obj;
        }
      }
    }
  };

  var parseCustomEmbed = function parseCustomEmbed(elm) {
    for (var i = 0; i < customEmbedTypes.length; ++i) {
      var customEmbed = customEmbedTypes[i];
      var obj = customEmbed.parse(elm);
      if (obj) {
        return obj;
      }
    }
  };

  var parseBuiltinEmbed = function parseBuiltinEmbed(elm) {
    var obj = (0, _embeds.parse)(elm);
    return obj && transformers[obj.type] && transformers[obj.type](obj);
  };

  var toEmbedObj = function toEmbedObj(elm) {
    return parseCustomEmbed(elm) || parseBuiltinEmbed(elm) || null;
  };

  var getCaption = function getCaption(elms, result, opts) {
    for (var i = 0; i < elms.length; i++) {
      var elm = elms[i];

      // ELEMENT_NODE
      if (elm.tagName && elm.tagName.toLowerCase() !== 'cite' && elm.childNodes.length) {
        getCaption(elm.childNodes, result, text(opts, elm));
      }

      // TEXT_NODE
      if (elm.nodeName === '#text' && elm.data.length > 0) {
        result.push(text(opts, elm));
      }
    }

    return result;
  };

  var getAttribution = function getAttribution(elms, result, opts) {
    for (var i = 0; i < elms.length; i++) {
      var elm = elms[i];

      // ELEMENT_NODE
      if (elm.tagName && elm.childNodes.length) {
        getAttribution(elm.childNodes, result, text(opts, elm));
      }

      // TEXT_NODE
      if (elm.nodeName === '#text' && elm.data.length > 0) {
        result.push(text(opts, elm));
      }
    }

    return result;
  };

  var getFigureProps = function getFigureProps(_ref12) {
    var attributes = _ref12.attributes,
        elm = _ref12.elm;

    var figureProps = {};
    if (!elm.attributes || !elm.attributes.length) {
      return figureProps;
    }

    attributes.forEach(function (name) {
      var value = elm.getAttribute(name);
      if (value) {
        figureProps[name] = value;
      }
    });

    return figureProps;
  };

  return function (elm) {
    if (elm.tagName && elm.tagName.toLowerCase() === 'figure') {
      var obj = getEmbed(elm.childNodes);
      if (obj && opts.parseFigureProps) {
        obj.figureProps = getFigureProps({
          attributes: opts.parseFigureProps,
          elm: elm
        });
      }
      if (obj) {
        var figcaptions = elm.getElementsByTagName('figcaption');
        obj.caption = getCaption(figcaptions, [], {});
        var cites = elm.getElementsByTagName('cite');
        obj.attribution = getAttribution(cites, [], {});
      }
      return obj;
    }

    return toEmbedObj(elm);
  };
};