Elsewhere, Bobby said: "manifest looks like it would be well-served by a type-safe WebIDL dictionary - is there any reason you're not using webidl here?"

Main reason was that it's not exposed to web content. But I would be happy to convert it to WebIDL. Do you have any examples of people doing similar things?

(In reply to Marcos Caceres [:marcosc] from comment #1) > Main reason was that it's not exposed to web content. Given the Xray troubles you were having, it's presumably exposed to _some_ kind of untrusted content. > But I would be happy > to convert it to WebIDL. Do you have any examples of people doing similar > things? I'd start here? https://developer.mozilla.org/en-US/docs/Mozilla/WebIDL_bindings#Implementing_WebIDL_using_Javascript The Dictionary is the easy part - the more involved part will be designing your API such that it is expressed in WebIDL, which lets you give the arguments strong types (i.e. your dictionary).

(In reply to Bobby Holley (:bholley) from comment #2) > (In reply to Marcos Caceres [:marcosc] from comment #1) > > Main reason was that it's not exposed to web content. > > Given the Xray troubles you were having, it's presumably exposed to _some_ > kind of untrusted content. No, I was having e10s grief with message passing (which for whatever reason cloneInto() fixed... but then it caused the other problems I was having). I fixed that now ^_^. > > But I would be happy > > to convert it to WebIDL. Do you have any examples of people doing similar > > things? > > I'd start here? > https://developer.mozilla.org/en-US/docs/Mozilla/ > WebIDL_bindings#Implementing_WebIDL_using_Javascript > > The Dictionary is the easy part - the more involved part will be designing > your API such that it is expressed in WebIDL, which lets you give the > arguments strong types (i.e. your dictionary). Ok, thanks for the pointer. I'll see about shifting over.

Putting this here for now... will add it to dom/webidl/ soon. ``` dictionary WebManifest { DOMString description; TextDirection dir; DisplayMode display; DOMString lang; DOMString name; OrientationLockType orientation; USVString scope; DOMString short_name; USVString start_url; } enum TextDirection { "rtl", "ltr", "auto", } enum DisplayMode { "browser", "fullscreen", "minimal-ui", "standalone", } ```