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/* 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,
/* exported initialize, destroy, Promise */
"use strict";
const {
createFactory,
createElement,
const {
Provider,
const {
updateMemoryFront,
// Shared variables used by several methods of this module.
let root, store, unsubscribe;
const initialize = async function (commands) {
// Exposed by panel.js
const { gToolbox, gHeapAnalysesClient } = window;
root = document.querySelector("#app");
store = Store();
const app = createElement(App, {
toolbox: gToolbox,
commands,
heapWorker: gHeapAnalysesClient,
});
const provider = createElement(Provider, { store }, app);
ReactDOM.render(provider, root);
unsubscribe = store.subscribe(onStateChange);
// Exposed for tests.
window.gStore = store;
};
const updateFront = front => {
store.dispatch(updateMemoryFront(front));
};
const destroy = function () {
const ok = ReactDOM.unmountComponentAtNode(root);
assert(
ok,
"Should successfully unmount the memory tool's top level React component"
);
unsubscribe();
};
// Current state
let isHighlighted;
/**
* Fired on any state change, currently only handles toggling
* the highlighting of the tool when recording allocations.
*/
function onStateChange() {
const { gToolbox } = window;
const isRecording = store.getState().allocations.recording;
if (isRecording === isHighlighted) {
return;
}
if (isRecording) {
gToolbox.highlightTool("memory");
} else {
gToolbox.unhighlightTool("memory");
}
isHighlighted = isRecording;
}
module.exports = { initialize, updateFront, destroy };