From 921d23e73f0c6a86b0abd601128800b304be2379 Mon Sep 17 00:00:00 2001
From: Alexander Rose <alexander.rose@weirdbyte.de>
Date: Fri, 24 Jan 2020 18:13:20 -0800
Subject: [PATCH] add NonNullableArray type helper
---
src/mol-util/type-helpers.ts | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/mol-util/type-helpers.ts b/src/mol-util/type-helpers.ts
index 22e9b6ae5..85b68218d 100644
--- a/src/mol-util/type-helpers.ts
+++ b/src/mol-util/type-helpers.ts
@@ -1,5 +1,5 @@
/**
- * Copyright (c) 2018-2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
+ * Copyright (c) 2018-2020 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
* @author David Sehnal <david.sehnal@gmail.com>
@@ -17,4 +17,6 @@ export type UintArray = Uint8Array | Uint16Array | Uint32Array | number[]
export type ValueOf<T> = T[keyof T]
export type ArrayCtor<T> = { new(size: number): { [i: number]: T, length: number } }
/** assignable ArrayLike version */
-export type AssignableArrayLike<T> = { [i: number]: T, length: number }
\ No newline at end of file
+export type AssignableArrayLike<T> = { [i: number]: T, length: number }
+
+export type NonNullableArray<T extends any[] | ReadonlyArray<any>> = T extends any[] ? NonNullable<T[0]>[] : ReadonlyArray<NonNullable<T[0]>>
--
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