From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:22:09 +0200 Subject: Adding upstream version 110.0.1. Signed-off-by: Daniel Baumann --- devtools/client/debugger/src/utils/memoizeLast.js | 27 +++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 devtools/client/debugger/src/utils/memoizeLast.js (limited to 'devtools/client/debugger/src/utils/memoizeLast.js') diff --git a/devtools/client/debugger/src/utils/memoizeLast.js b/devtools/client/debugger/src/utils/memoizeLast.js new file mode 100644 index 0000000000..b3c46cab57 --- /dev/null +++ b/devtools/client/debugger/src/utils/memoizeLast.js @@ -0,0 +1,27 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at . */ + +export function memoizeLast(fn) { + let lastArgs; + let lastResult; + + const memoized = (...args) => { + if ( + lastArgs && + args.length === lastArgs.length && + args.every((arg, i) => arg === lastArgs[i]) + ) { + return lastResult; + } + + lastArgs = args; + lastResult = fn(...args); + + return lastResult; + }; + + return memoized; +} + +export default memoizeLast; -- cgit v1.2.3