#16 Fix typo in readme.

.babelrc

@@ -1,4 +1,8 @@
 {
-  "presets": ["es2015"],
-  "plugins": ["transform-runtime"]
-}
+  "presets": [
+    "@babel/preset-env"
+  ],
+  "plugins": [
+    "@babel/plugin-transform-runtime"
+  ]
+}

.gitignore

@@ -1,5 +1,3 @@
-dist/
-
 .DS_Store
 .python-version
 

README.md

@@ -295,7 +295,7 @@ Example: `'D000001' (Calcimycin)` returns `['D000900', 'D061207'] (Anti-Bacteria
   - `id`: either RDF URL id or MeSH UI
   - `format`: `rdf` or `mesh` for output format
 
-###### `getSchemaOrgTypes(opts)`
+###### `getSchemaOrgType(opts)`
 
 Performs mapping of MeSH concepts onto Schema.org classes (e.g., Drug)
 

dist/helper/permutations.js

@@ -0,0 +1,29 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _default;
+
+function _default() {
+  var r = [],
+      arg = arguments,
+      max = arg.length - 1;
+
+  function helper(arr, i) {
+    for (var j = 0, l = arg[i].length; j < l; j++) {
+      var a = arr.slice(0); // clone arr
+
+      a.push(arg[i][j]);
+
+      if (i == max) {
+        r.push(a);
+      } else {
+        helper(a, i + 1);
+      }
+    }
+  }
+
+  helper([], 0);
+  return r;
+}

dist/helper/wikipedia.js

@@ -0,0 +1,128 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getMainSections = void 0;
+
+var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
+
+var _request = _interopRequireDefault(require("request"));
+
+var _bluebird = _interopRequireDefault(require("bluebird"));
+
+var requestPromise = _bluebird.default.promisify(_request.default, {
+  multiArgs: true
+});
+
+var getMainSections = _bluebird.default.coroutine(
+/*#__PURE__*/
+_regenerator.default.mark(function _callee(articleTitle) {
+  var url, response, resInfo, body, body_parsed, extractWikiJSON;
+  return _regenerator.default.wrap(function _callee$(_context) {
+    while (1) {
+      switch (_context.prev = _context.next) {
+        case 0:
+          extractWikiJSON = function _ref(wikijson) {
+            var obj = wikijson.query.pages[Object.keys(wikijson.query.pages)[0]];
+
+            if (!obj.hasOwnProperty('extract') || !obj.hasOwnProperty('title')) {
+              return;
+            }
+
+            var sections = [],
+                wikiextract = wikijson.query.pages[Object.keys(wikijson.query.pages)[0]].extract,
+                sectionTitlesNotIncluded = ['See also', 'References', 'Further reading', 'External links', 'Works cited', 'Cited texts'],
+                cursorStart = 0,
+                cursorEnd = wikiextract.indexOf('\n== ');
+
+            if (cursorEnd === -1) {
+              cursorEnd = wikiextract.length;
+            }
+
+            var level = 0,
+                title = wikijson.query.pages[Object.keys(wikijson.query.pages)[0]].title,
+                abstract = {
+              sectionLevel: level,
+              sectionTitle: title,
+              sectionText: wikiextract.substring(cursorStart, cursorEnd).replace(/\n+/g, '')
+            };
+            sections.push(abstract);
+            var headingRE = /\n==+ (.*?) (==+)\n?/g,
+                headingRE_results = headingRE.exec(wikiextract),
+                text = '',
+                section = {};
+
+            while (cursorEnd !== wikiextract.length) {
+              title = headingRE_results[1];
+              level = headingRE_results[2].length - 1;
+              cursorStart = headingRE.lastIndex;
+              headingRE_results = headingRE.exec(wikiextract);
+
+              if (headingRE_results === null) {
+                cursorEnd = wikiextract.length;
+              } else {
+                cursorEnd = headingRE_results.index;
+              }
+
+              text = wikiextract.substring(cursorStart, cursorEnd).trim() + '\n';
+              text = text.replace(/\[citation needed\]/g, '');
+              text = text.replace(/\n+/g, '');
+              section = {
+                sectionLevel: level,
+                sectionTitle: title,
+                sectionText: text
+              };
+
+              if (sectionTitlesNotIncluded.indexOf(title) === -1) {
+                sections.push(section);
+              }
+            }
+
+            return sections;
+          };
+
+          url = 'http://en.wikipedia.org/w/api.php?redirects=true&format=json&utf8=true&action=query&titles=' + articleTitle + '&prop=extracts&explaintext=true&exsectionformat=wiki&continue=';
+          _context.prev = 2;
+          _context.next = 5;
+          return requestPromise({
+            url: url,
+            json: true
+          });
+
+        case 5:
+          response = _context.sent;
+          resInfo = response[0];
+          body = response[1];
+
+          if (!(resInfo.statusCode !== 200)) {
+            _context.next = 12;
+            break;
+          }
+
+          return _context.abrupt("return", '');
+
+        case 12:
+          body_parsed = extractWikiJSON(body);
+          return _context.abrupt("return", body_parsed);
+
+        case 14:
+          _context.next = 19;
+          break;
+
+        case 16:
+          _context.prev = 16;
+          _context.t0 = _context["catch"](2);
+          console.log('Error: ' + _context.t0);
+
+        case 19:
+        case "end":
+          return _context.stop();
+      }
+    }
+  }, _callee, null, [[2, 16]]);
+}));
+
+exports.getMainSections = getMainSections;