From e4c61adc71165d46f873c1712677b2c7cc299bbb Mon Sep 17 00:00:00 2001
From: Kamil Kisiela <kamilkisiela@users.noreply.github.com>
Date: Thu, 12 Oct 2017 22:32:00 +0200
Subject: [PATCH] Define and expose ApolloClientOptions (#2292)

It'd be helpful to UI integration libraries such as new angular-apollo, which will be released soon.
---
 packages/apollo-client/CHANGELOG.md        |  1 +
 packages/apollo-client/src/ApolloClient.ts | 20 +++++++++++---------
 packages/apollo-client/src/index.ts        |  4 +++-
 3 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/packages/apollo-client/CHANGELOG.md b/packages/apollo-client/CHANGELOG.md
index ab025392213..2be77dd9dd8 100644
--- a/packages/apollo-client/CHANGELOG.md
+++ b/packages/apollo-client/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Change log
 
 ### vNext
+- Define and expose `ApolloClientOptions`, Type of an object that represents ApolloClient's constructor argument.
 
 ### 2.0.0-rc.3
 - Only include `data` on subscriptionData when using `subscribeToMore`
diff --git a/packages/apollo-client/src/ApolloClient.ts b/packages/apollo-client/src/ApolloClient.ts
index 0ddc3b764af..f3072ffab4c 100644
--- a/packages/apollo-client/src/ApolloClient.ts
+++ b/packages/apollo-client/src/ApolloClient.ts
@@ -29,6 +29,16 @@ export interface DefaultOptions {
 
 let hasSuggestedDevtools = false;
 
+export type ApolloClientOptions<TCacheShape> = {
+  link: ApolloLink;
+  cache: ApolloCache<TCacheShape>;
+  ssrMode?: boolean;
+  ssrForceFetchDelay?: number;
+  connectToDevTools?: boolean;
+  queryDeduplication?: boolean;
+  defaultOptions?: DefaultOptions;
+};
+
 /**
  * This is the primary Apollo Client class. It is used to send GraphQL documents (i.e. queries
  * and mutations) to a GraphQL spec-compliant server over a {@link NetworkInterface} instance,
@@ -70,15 +80,7 @@ export default class ApolloClient<TCacheShape> implements DataProxy {
    * @param fragmentMatcher A function to use for matching fragment conditions in GraphQL documents
    */
 
-  constructor(options: {
-    link: ApolloLink;
-    cache: ApolloCache<TCacheShape>;
-    ssrMode?: boolean;
-    ssrForceFetchDelay?: number;
-    connectToDevTools?: boolean;
-    queryDeduplication?: boolean;
-    defaultOptions?: DefaultOptions;
-  }) {
+  constructor(options: ApolloClientOptions<TCacheShape>) {
     const {
       link,
       cache,
diff --git a/packages/apollo-client/src/index.ts b/packages/apollo-client/src/index.ts
index 2f2590721f3..5569a854992 100644
--- a/packages/apollo-client/src/index.ts
+++ b/packages/apollo-client/src/index.ts
@@ -19,7 +19,9 @@ export * from './core/types';
 
 export { ApolloError } from './errors/ApolloError';
 
-import ApolloClient from './ApolloClient';
+import ApolloClient, { ApolloClientOptions } from './ApolloClient';
+
+export { ApolloClientOptions };
 
 // export the client as both default and named
 export { ApolloClient };