authorize any parameter in the favicon dict (#24)

* get is already defaulting to None

* accept any type of parameters

* add " " around parameter string

Co-authored-by: Timo Cornelius Metzger <[email protected]>

sphinx_favicon/__init__.py

@@ -49,29 +49,33 @@ def generate_meta(favicon: Dict[str, str]) -> str:
         favicon: Favicon data
 
     Returns:
-        Favicon meta tag
+        Favicon link or meta tag
     """
-    rel = favicon.get("rel", "icon")
-    href = favicon["href"]
-    meta = f'    <link rel="{rel}" href="{href}"'
-
-    # Read "sizes" from config. Omit sizes if not provided.
-    sizes = favicon.get("sizes", None)
-    if sizes:
-        meta += f' sizes="{sizes}"'
-
-    # Set MIME type. Detect MIME type if not provided. Omit "type=" if not detectable
-    favicon_type = favicon.get("type", None)
-    favicon_file_ending = href.split(".")[-1]
-    if favicon_type:
-        meta += f' type="{favicon_type}"'
-    elif favicon_file_ending in SUPPORTED_MIME_TYPES.keys():
-        favicon_type = SUPPORTED_MIME_TYPES[favicon_file_ending]
-        meta += f' type="{favicon_type}"'
-
-    meta += ">"
-
-    return meta
+    # get the tag of the output
+    tag = "link"
+
+    # prepare all the tag parameters and leave them in the favicon dict
+
+    # to raise an error if not set
+    favicon["href"]
+
+    # default to "icon"
+    favicon.setdefault("rel", "icon")
+
+    # set the type. if type is not set try to guess it from the file extention
+    type_ = favicon.get("type")
+    if not type_:
+        extention = favicon["href"].split(".")[-1]
+        if extention in SUPPORTED_MIME_TYPES.keys():
+            type_ = SUPPORTED_MIME_TYPES[extention]
+    if type_ is not None:
+        favicon["type"] = type_
+
+    # build the html element
+    parameters = [f'{k}="{v}"' for k, v in favicon.items()]
+    html_element = f"    <{tag} {' '.join(parameters)}>"
+    print(html_element)
+    return html_element
 
 
 def _static_to_href(pathto: Callable, favicon: Dict[str, str]) -> Dict[str, str]: