added typing for RefHandler (#386)

o-faro · web-flow · commit f0b1ef9c2727 · 2020-10-06T17:34:23.000+02:00
* added typing for RefHandler

fixes issues 373

* export added
diff --git a/typings/react-popper.d.ts b/typings/react-popper.d.ts
@@ -9,6 +9,8 @@ interface ManagerProps {
 }
 export class Manager extends React.Component<ManagerProps, {}> {}
 
+export type RefHandler = (ref: HTMLElement | null) => void;
+
 interface ReferenceChildrenProps {
   // React refs are supposed to be contravariant (allows a more general type to be passed rather than a more specific one)
   // However, Typescript currently can't infer that fact for refs

Original file line number	Diff line number	Diff line change
`@@ -9,6 +9,8 @@ interface ManagerProps {`
`9`	`9`	`}`
`10`	`10`	`export class Manager extends React.Component<ManagerProps, {}> {}`
`11`	`11`
	`12`	`+export type RefHandler = (ref: HTMLElement \| null) => void;`
	`13`	`+`
`12`	`14`	`interface ReferenceChildrenProps {`
`13`	`15`	`// React refs are supposed to be contravariant (allows a more general type to be passed rather than a more specific one)`
`14`	`16`	`// However, Typescript currently can't infer that fact for refs`