TimelineSearchContext.js — react Source File

Source Code

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */

import type {ReactContext} from 'shared/ReactTypes';

import * as React from 'react';
import {createContext, useMemo, useReducer} from 'react';

import type {ReactComponentMeasure, TimelineData, ViewState} from './types';

type State = {
  profilerData: TimelineData,
  searchIndex: number,
  searchRegExp: RegExp | null,
  searchResults: Array<ReactComponentMeasure>,
  searchText: string,
};

type ACTION_GO_TO_NEXT_SEARCH_RESULT = {
  type: 'GO_TO_NEXT_SEARCH_RESULT',
};
type ACTION_GO_TO_PREVIOUS_SEARCH_RESULT = {
  type: 'GO_TO_PREVIOUS_SEARCH_RESULT',
};
type ACTION_SET_SEARCH_TEXT = {
  type: 'SET_SEARCH_TEXT',
  payload: string,
};

type Action =
  | ACTION_GO_TO_NEXT_SEARCH_RESULT
  | ACTION_GO_TO_PREVIOUS_SEARCH_RESULT
  | ACTION_SET_SEARCH_TEXT;

type Dispatch = (action: Action) => void;

const EMPTY_ARRAY: Array<ReactComponentMeasure> = [];

function reducer(state: State, action: Action): State {
  let {searchIndex, searchRegExp, searchResults, searchText} = state;

  switch (action.type) {
    case 'GO_TO_NEXT_SEARCH_RESULT':
      if (searchResults.length > 0) {
        if (searchIndex === -1 || searchIndex + 1 === searchResults.length) {
          searchIndex = 0;
        } else {
          searchIndex++;
        }
      }
      break;
    case 'GO_TO_PREVIOUS_SEARCH_RESULT':
      if (searchResults.length > 0) {
        if (searchIndex === -1 || searchIndex === 0) {
// ... (107 more lines)