Add GitHub API query to bug report template (facebook#21421)

This may help debug why sometimes the GitHub API search seems to not find a match when it should.

Author: Brian Vaughn

packages/react-devtools-shared/src/devtools/views/ErrorBoundary/ReportNewIssue.js

@@ -9,6 +9,7 @@
 
 import * as React from 'react';
 import Icon from '../Icon';
+import {searchGitHubIssuesURL} from './githubAPI';
 import styles from './shared.css';
 
 function encodeURIWrapper(string: string): string {
@@ -31,6 +32,9 @@ export default function ReportNewIssue({
     return null;
   }
 
+  const gitHubAPISearch =
+    errorMessage !== null ? searchGitHubIssuesURL(errorMessage) : '(none)';
+
   const title = `Error: "${errorMessage || ''}"`;
   const labels = ['Component: Developer Tools', 'Status: Unconfirmed'];
 
@@ -57,10 +61,13 @@ If possible, please describe how to reproduce this bug on the website or app men
 DevTools version: ${process.env.DEVTOOLS_VERSION || ''}
 
 Call stack:
-${callStack || '(not available)'}
+${callStack || '(none)'}
 
 Component stack:
-${componentStack || '(not available)'}
+${componentStack || '(none)'}
+
+GitHub URL search query:
+${gitHubAPISearch}
   `;
 
   bugURL += `/issues/new?labels=${encodeURIWrapper(

packages/react-devtools-shared/src/devtools/views/ErrorBoundary/githubAPI.js

@@ -14,9 +14,7 @@ export type GitHubIssue = {|
 
 const GITHUB_ISSUES_API = 'https://api.github.com/search/issues';
 
-export async function searchGitHubIssues(
-  message: string,
-): Promise<GitHubIssue | null> {
+export function searchGitHubIssuesURL(message: string): string {
   // Remove Fiber IDs from error message (as those will be unique).
   message = message.replace(/"[0-9]+"/g, '');
 
@@ -29,13 +27,19 @@ export async function searchGitHubIssues(
     'repo:facebook/react',
   ];
 
-  const response = await fetch(
+  return (
     GITHUB_ISSUES_API +
-      '?q=' +
-      encodeURIComponent(message) +
-      '%20' +
-      filters.map(encodeURIComponent).join('%20'),
+    '?q=' +
+    encodeURIComponent(message) +
+    '%20' +
+    filters.map(encodeURIComponent).join('%20')
   );
+}
+
+export async function searchGitHubIssues(
+  message: string,
+): Promise<GitHubIssue | null> {
+  const response = await fetch(searchGitHubIssuesURL(message));
   const data = await response.json();
   if (data.items.length > 0) {
     const item = data.items[0];