From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- devtools/client/memory/reducers/allocations.js | 42 ++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 devtools/client/memory/reducers/allocations.js (limited to 'devtools/client/memory/reducers/allocations.js') diff --git a/devtools/client/memory/reducers/allocations.js b/devtools/client/memory/reducers/allocations.js new file mode 100644 index 000000000..ccb92f825 --- /dev/null +++ b/devtools/client/memory/reducers/allocations.js @@ -0,0 +1,42 @@ +/* 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 http://mozilla.org/MPL/2.0/. */ + +const { assert } = require("devtools/shared/DevToolsUtils"); +const { actions } = require("../constants"); + +let handlers = Object.create(null); + +handlers[actions.TOGGLE_RECORD_ALLOCATION_STACKS_START] = function (state, action) { + assert(!state.togglingInProgress, + "Changing recording state must not be reentrant."); + + return { + recording: !state.recording, + togglingInProgress: true, + }; +}; + +handlers[actions.TOGGLE_RECORD_ALLOCATION_STACKS_END] = function (state, action) { + assert(state.togglingInProgress, + "Should not complete changing recording state if we weren't changing " + + "recording state already."); + + return { + recording: state.recording, + togglingInProgress: false, + }; +}; + +const DEFAULT_ALLOCATIONS_STATE = { + recording: false, + togglingInProgress: false +}; + +module.exports = function (state = DEFAULT_ALLOCATIONS_STATE, action) { + let handle = handlers[action.type]; + if (handle) { + return handle(state, action); + } + return state; +}; -- cgit v1.2.3