fix: nested within dt (#279)

Author: Zegnat

src/microformats/parse.ts

@@ -18,7 +18,7 @@ import {
   BackcompatRoot,
 } from "../backcompat";
 import { applyIncludesToRoot } from "../helpers/includes";
-import { parseE } from "./property";
+import { parseE, parseDt } from "./property";
 import { isEnabled } from "../helpers/experimental";
 
 interface ParseMicroformatOptions extends ParsingOptions {
@@ -85,6 +85,15 @@ export const parseMicroformat = (
       textContent(node, options);
   }
 
+  /**
+   * The `value` is set as per default parsing as nothing else has been added
+   * to the spec. A proposal has been made:
+   * https://github.com/microformats/microformats2-parsing/issues/71
+   */
+  if (options.valueType === "dt") {
+    item.value = parseDt(node, options);
+  }
+
   /**
    * There is some ambigutity on how this should be handled.
    * At the moment, we're following other parsers and keeping `value` a string

src/microformats/property.ts

@@ -61,7 +61,7 @@ export const parseU = (
   return typeof url === "string" ? url.trim() : url;
 };
 
-const parseDt = (node: Element, options: ParsingOptions): string =>
+export const parseDt = (node: Element, options: ParsingOptions): string =>
   valueClassPattern(node, { ...options, datetime: true }) ??
   getAttributeIfTag(node, ["time", "ins", "del"], "datetime") ??
   getAttributeIfTag(node, ["abbr"], "title") ??
@@ -122,7 +122,7 @@ export const parseProperty = (
       const type = getType(className);
       const key = className.replace(propertyRegexp, "");
       const value =
-        ["u", "p", "e"].includes(type) && isMicroformatRoot(child)
+        ["u", "p", "e", "dt"].includes(type) && isMicroformatRoot(child)
           ? parseMicroformat(child, {
               ...options,
               valueType: type,

test/suites/local/microformats-v2/nested.html

@@ -15,3 +15,9 @@
 <div class="h-entry">
   <div class="u-photo h-card"></div>
 </div>
+
+<div class="h-card">
+  <div class="dt-bday h-event">
+    <time class="dt-start dt-end" datetime="2010-05-02">2nd May</time>
+  </div>
+</div>

test/suites/local/microformats-v2/nested.json

@@ -60,6 +60,22 @@
           }
         ]
       }
+    },
+    {
+      "type": ["h-card"],
+      "properties": {
+        "bday": [
+          {
+            "type": ["h-event"],
+            "properties": {
+              "name": ["2nd May"],
+              "start": ["2010-05-02"],
+              "end": ["2010-05-02"]
+            },
+            "value": "2nd May"
+          }
+        ]
+      }
     }
   ],
   "rels": {},