Merge pull request #444 from snianu/update-unsanitized-html-1

Add exceptions in read method.
w3c · Oct 10, 2023 · dbf1ee7 · dbf1ee7
2 parents d9db923 + 075f7f9
commit dbf1ee7
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/docs/clipboard-unsanitized/explainer.md b/docs/clipboard-unsanitized/explainer.md
@@ -185,8 +185,11 @@ EndFragment:<start offset of the end fragment comment tag>
 ```
 
 ### Read()
-Follow the algorithm specified in [read()](https://w3c.github.io/clipboard-apis/#dom-clipboard-read) except for the below step:
-1. If `text/html` representation is present in the [ClipboardItem](https://w3c.github.io/clipboard-apis/#clipboard-item-interface) and `text/html` is present in the `unsanitized` list, then return the blobData as-is without any sanitization.
+Follow the algorithm specified in [read()](https://w3c.github.io/clipboard-apis/#dom-clipboard-read) except for the below steps:
+1. If `text/html` representation is present in the [ClipboardItem](https://w3c.github.io/clipboard-apis/#clipboard-item-interface) and `text/html` is present in the `unsanitized` list, then follow the below steps:
+    1. If size of `unsanitized` list is greater than 1, then throw `Support to read multiple unsanitized formats is not supported.` exception.
+    2. If `text/html` is not at the first position in the `unsanitized` list, then throw `The unsanitized type` {formatName} `is not supported.` exception.
+    3. else, return the blobData as-is without any sanitization.
 2. Else, follow the existing sanitization behavior as mentioned in [step-3](https://w3c.github.io/clipboard-apis/#dom-clipboard-read).
 
 ### JS example