From 9ea7f6359ddd056fa3de5ceb2669f5c71d85cce5 Mon Sep 17 00:00:00 2001
From: Ahmed Mokhtar <ahmedmokhtar11j@gmail.com>
Date: Wed, 18 Sep 2019 19:13:18 +0200
Subject: [PATCH] fix: to prop mustn't be undefined in LinkProps (#38456)

---
 types/reach__router/index.d.ts | 49 ++++++++++++++--------------------
 1 file changed, 20 insertions(+), 29 deletions(-)

diff --git a/types/reach__router/index.d.ts b/types/reach__router/index.d.ts
index 1397283c00..fb77b7b3a9 100644
--- a/types/reach__router/index.d.ts
+++ b/types/reach__router/index.d.ts
@@ -1,18 +1,18 @@
 // Type definitions for @reach/router 1.2
 // Project: https://github.com/reach/router
-// Definitions by: Kingdaro <https://github.com/kingdaro>
+// Definitions by: Kingdaro <https://github.com/kingdaro>, A.Mokhtar <https://github.com/xMokAx>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.8
 
-import * as React from "react";
-import { Location as HLocation } from "history";
-export type WindowLocation = Window["location"] & HLocation;
+import * as React from 'react';
+import { Location as HLocation } from 'history';
+export type WindowLocation = Window['location'] & HLocation;
 
-export type HistoryActionType = "PUSH" | "POP";
+export type HistoryActionType = 'PUSH' | 'POP';
 export type HistoryLocation = WindowLocation & { state?: any };
 export interface HistoryListenerParameter {
-	location: HistoryLocation;
-	action: HistoryActionType;
+    location: HistoryLocation;
+    action: HistoryActionType;
 }
 export type HistoryListener = (parameter: HistoryListenerParameter) => void;
 export type HistoryUnsubscribe = () => void;
@@ -24,9 +24,7 @@ export interface History {
     navigate: NavigateFn;
 }
 
-export class Router extends React.Component<
-  RouterProps & React.HTMLProps<HTMLDivElement>
-> {}
+export class Router extends React.Component<RouterProps & React.HTMLProps<HTMLDivElement>> {}
 
 export interface RouterProps {
     basepath?: string;
@@ -46,15 +44,12 @@ export type RouteComponentProps<TParams = {}> = Partial<TParams> & {
 export type Omit<T, K> = Pick<T, Exclude<keyof T, K>>;
 
 export type AnchorProps = Omit<
-    React.DetailedHTMLProps<
-    React.AnchorHTMLAttributes<HTMLAnchorElement>,
-    HTMLAnchorElement
-    >,
-    "href" // remove href, as it's ignored by the router
-    >;
+    React.DetailedHTMLProps<React.AnchorHTMLAttributes<HTMLAnchorElement>, HTMLAnchorElement>,
+    'href' // remove href, as it's ignored by the router
+>;
 
 export interface LinkProps<TState> extends AnchorProps {
-    to?: string;
+    to: string;
     replace?: boolean;
     getProps?: (props: LinkGetProps) => {};
     state?: TState;
@@ -67,7 +62,7 @@ export interface LinkGetProps {
     location: WindowLocation;
 }
 
-export class Link<TState> extends React.Component<LinkProps<TState>> { }
+export class Link<TState> extends React.Component<LinkProps<TState>> {}
 
 export interface RedirectProps<TState> {
     from?: string;
@@ -77,16 +72,14 @@ export interface RedirectProps<TState> {
     replace?: boolean;
 }
 
-export class Redirect<TState> extends React.Component<RouteComponentProps<RedirectProps<TState>>> { }
+export class Redirect<TState> extends React.Component<RouteComponentProps<RedirectProps<TState>>> {}
 
 export interface MatchProps<TParams> {
     path: string;
     children: MatchRenderFn<TParams>;
 }
 
-export type MatchRenderFn<TParams> = (
-    props: MatchRenderProps<TParams>
-) => React.ReactNode;
+export type MatchRenderFn<TParams> = (props: MatchRenderProps<TParams>) => React.ReactNode;
 
 export interface MatchRenderProps<TParams> {
     match: null | { uri: string; path: string } & TParams;
@@ -94,7 +87,7 @@ export interface MatchRenderProps<TParams> {
     navigate: NavigateFn;
 }
 
-export class Match<TParams> extends React.Component<MatchProps<TParams>> { }
+export class Match<TParams> extends React.Component<MatchProps<TParams>> {}
 
 export type NavigateFn = (to: string, options?: NavigateOptions<{}>) => void;
 
@@ -107,29 +100,27 @@ export interface LocationProps {
     children: LocationProviderRenderFn;
 }
 
-export class Location extends React.Component<LocationProps> { }
+export class Location extends React.Component<LocationProps> {}
 
 export interface LocationProviderProps {
     history?: History;
     children?: React.ReactNode | LocationProviderRenderFn;
 }
 
-export type LocationProviderRenderFn = (
-    context: LocationContext
-) => React.ReactNode;
+export type LocationProviderRenderFn = (context: LocationContext) => React.ReactNode;
 
 export interface LocationContext {
     location: WindowLocation;
     navigate: NavigateFn;
 }
 
-export class LocationProvider extends React.Component<LocationProviderProps> { }
+export class LocationProvider extends React.Component<LocationProviderProps> {}
 
 export interface ServerLocationProps {
     url: string;
 }
 
-export class ServerLocation extends React.Component<ServerLocationProps> { }
+export class ServerLocation extends React.Component<ServerLocationProps> {}
 
 export const navigate: NavigateFn;