Respect optional parameters in functions

Author: nojaf

src/CSSFontLoadingAPI/FontFace.res

@@ -5,8 +5,11 @@ open Prelude
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/FontFace)
 */
 @new
-external make: (~family: string, ~source: unknown, ~descriptors: fontFaceDescriptors) => fontFace =
-  "FontFace"
+external make: (
+  ~family: string,
+  ~source: unknown,
+  ~descriptors: fontFaceDescriptors=?,
+) => fontFace = "FontFace"
 
 /**
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/FontFace/load)

src/CSSFontLoadingAPI/FontFaceSet.res

@@ -130,10 +130,10 @@ external clear: fontFaceSet => unit = "clear"
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/FontFaceSet/load)
 */
 @send
-external load: (fontFaceSet, ~font: string, ~text: string) => Promise.t<array<fontFace>> = "load"
+external load: (fontFaceSet, ~font: string, ~text: string=?) => Promise.t<array<fontFace>> = "load"
 
 /**
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/FontFaceSet/check)
 */
 @send
-external check: (fontFaceSet, ~font: string, ~text: string) => bool = "check"
+external check: (fontFaceSet, ~font: string, ~text: string=?) => bool = "check"

src/CanvasAPI/OffscreenCanvas.res

@@ -129,7 +129,7 @@ Returns null if the canvas has already been initialized with another context typ
 external getContext: (
   offscreenCanvas,
   ~contextId: offscreenRenderingContextId,
-  ~options: any,
+  ~options: any=?,
 ) => offscreenRenderingContext = "getContext"
 
 /**
@@ -146,4 +146,5 @@ The argument, if provided, is a dictionary that controls the encoding options of
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/OffscreenCanvas/convertToBlob)
 */
 @send
-external convertToBlob: (offscreenCanvas, imageEncodeOptions) => Promise.t<blob> = "convertToBlob"
+external convertToBlob: (offscreenCanvas, ~options: imageEncodeOptions=?) => Promise.t<blob> =
+  "convertToBlob"

src/ChannelMessagingAPI/MessagePort.res

@@ -126,8 +126,11 @@ Throws a "DataCloneError" DOMException if transfer contains duplicate objects or
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/MessagePort/postMessage)
 */
 @send
-external postMessage2: (messagePort, ~message: any, ~options: structuredSerializeOptions) => unit =
-  "postMessage"
+external postMessage2: (
+  messagePort,
+  ~message: any,
+  ~options: structuredSerializeOptions=?,
+) => unit = "postMessage"
 
 /**
 Begins dispatching messages received on the port.

src/ClipboardAPI/ClipboardItem.res

@@ -6,7 +6,7 @@ open Prelude
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/ClipboardItem)
 */
 @new
-external make: (~items: any, ~options: clipboardItemOptions) => clipboardItem = "ClipboardItem"
+external make: (~items: any, ~options: clipboardItemOptions=?) => clipboardItem = "ClipboardItem"
 
 /**
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/ClipboardItem/getType)

src/CredentialManagementAPI/CredentialsContainer.res

@@ -4,7 +4,10 @@ open CredentialManagementAPI
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/CredentialsContainer/get)
 */
 @send
-external get: (credentialsContainer, credentialRequestOptions) => Promise.t<credential> = "get"
+external get: (
+  credentialsContainer,
+  ~options: credentialRequestOptions=?,
+) => Promise.t<credential> = "get"
 
 /**
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/CredentialsContainer/store)
@@ -16,8 +19,10 @@ external store: (credentialsContainer, credential) => Promise.t<unit> = "store"
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/CredentialsContainer/create)
 */
 @send
-external create: (credentialsContainer, credentialCreationOptions) => Promise.t<credential> =
-  "create"
+external create: (
+  credentialsContainer,
+  ~options: credentialCreationOptions=?,
+) => Promise.t<credential> = "create"
 
 /**
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/CredentialsContainer/preventSilentAccess)

src/DOMAPI/Animation.res

@@ -5,7 +5,8 @@ open DOMAPI
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Animation)
 */
 @new
-external make: (~effect: animationEffect, ~timeline: animationTimeline) => animation = "Animation"
+external make: (~effect: animationEffect=?, ~timeline: animationTimeline=?) => animation =
+  "Animation"
 
 /**
 Appends an event listener for events whose type attribute value is type. The callback argument sets the callback that will be invoked when the event is dispatched.

src/DOMAPI/AnimationEffect.res

@@ -16,4 +16,4 @@ external getComputedTiming: animationEffect => computedEffectTiming = "getComput
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/AnimationEffect/updateTiming)
 */
 @send
-external updateTiming: (animationEffect, optionalEffectTiming) => unit = "updateTiming"
+external updateTiming: (animationEffect, ~timing: optionalEffectTiming=?) => unit = "updateTiming"

src/DOMAPI/CSSStyleDeclaration.res

@@ -26,7 +26,7 @@ external setProperty: (
   cssStyleDeclaration,
   ~property: string,
   ~value: string,
-  ~priority: string,
+  ~priority: string=?,
 ) => unit = "setProperty"
 
 /**

src/DOMAPI/CSSStyleSheet.res

@@ -4,13 +4,13 @@ open DOMAPI
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet)
 */
 @new
-external make: cssStyleSheetInit => cssStyleSheet = "CSSStyleSheet"
+external make: (~options: cssStyleSheetInit=?) => cssStyleSheet = "CSSStyleSheet"
 
 /**
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/insertRule)
 */
 @send
-external insertRule: (cssStyleSheet, ~rule: string, ~index: int) => int = "insertRule"
+external insertRule: (cssStyleSheet, ~rule: string, ~index: int=?) => int = "insertRule"
 
 /**
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/deleteRule)