devtools/client/memory/actions/tree-map-display.js


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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,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";

const { assert } = require("resource://devtools/shared/DevToolsUtils.js");
const { actions } = require("resource://devtools/client/memory/constants.js");
const {
  refresh,
} = require("resource://devtools/client/memory/actions/refresh.js");
/**
 * Sets the tree map display as the current display and refreshes the tree map
 * census.
 */
exports.setTreeMapAndRefresh = function (heapWorker, display) {
  return async function ({ dispatch }) {
    dispatch(setTreeMap(display));
    await dispatch(refresh(heapWorker));
  };
};

/**
 * Clears out all cached census data in the snapshots and sets new display data
 * for tree maps.
 *
 * @param {treeMapModel} display
 */
const setTreeMap = (exports.setTreeMap = function (display) {
  assert(
    typeof display === "object" &&
      display &&
      display.breakdown &&
      display.breakdown.by,
    "Breakdowns must be an object with a `by` property, attempted to set: " +
      JSON.stringify(display)
  );

  return {
    type: actions.SET_TREE_MAP_DISPLAY,
    display,
  };
});