cache.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 {
  Thenable,
  FulfilledThenable,
  RejectedThenable,
} from 'shared/ReactTypes';
import type {GitHubIssue} from './githubAPI';

import * as React from 'react';

import {unstable_getCacheForType as getCacheForType} from 'react';
import {searchGitHubIssues} from './githubAPI';

const API_TIMEOUT = 3000;
function readRecord<T>(record: Thenable<T>): T | null {
  if (typeof React.use === 'function') {
    try {
      // eslint-disable-next-line react-hooks-published/rules-of-hooks
      return React.use(record);
    } catch (x) {
      if (x === null) {
        return null;
      }
      throw x;
    }
  }
  if (record.status === 'fulfilled') {
    return record.value;
  } else if (record.status === 'rejected') {
    return null;
  } else {
    throw record;
  }
}

type GitHubIssueMap = Map<string, Thenable<GitHubIssue>>;

function createMap(): GitHubIssueMap {
  return new Map();
}

function getRecordMap(): Map<string, Thenable<GitHubIssue>> {
  return getCacheForType(createMap);
}

export function findGitHubIssue(errorMessage: string): GitHubIssue | null {
  errorMessage = normalizeErrorMessage(errorMessage);

  const map = getRecordMap();
  let record = map.get(errorMessage);

  if (!record) {
// ... (80 more lines)