#567 Typescript Integration (#587)

.gitignore

@@ -16,3 +16,4 @@ Thumbs.db
 public/js/main-compiled.js
 public/js/main-compiled.js.map
 build/
+api/build

.prettierignore

@@ -0,0 +1,2 @@
+# Ignore artifacts:
+api/build

api/.eslintrc.js

@@ -0,0 +1,14 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 2020,
+    sourceType: 'module',
+  },
+  plugins: ['@typescript-eslint'],
+  extends: ['plugin:@typescript-eslint/recommended'],
+  rules: {
+    '@typescript-eslint/ban-ts-comment': 'off',
+    '@typescript-eslint/explicit-module-boundary-types': 'off',
+    '@typescript-eslint/explicit-function-return-type': 'off',
+  },
+};

api/controllers/pr/errors.ts

@@ -0,0 +1,17 @@
+const statusCodes: {
+  [key: string]: number;
+} = {
+  notUser: 400,
+};
+
+const errorDescriptions: {
+  [key: string]: string;
+} = {
+  notUser: 'Username must belong to a user account.',
+};
+
+export const getStatusCode = (error: string) => statusCodes[error] || 400;
+
+export const getErrorDescription = (error: string) =>
+  errorDescriptions[error] ||
+  "Couldn't find any data or we hit an error, err try again?";

api/controllers/pr/findPrs/github/getNextPage.ts

@@ -0,0 +1,35 @@
+import { Octokit } from '@octokit/rest';
+import { RestEndpointMethodTypes } from '@octokit/plugin-rest-endpoint-methods/dist-types/generated/parameters-and-response-types';
+import getPageLinks from './getPageLinks';
+import hasNextPage from './hasNextPage';
+
+const getNextPage = async (
+  response: RestEndpointMethodTypes['search']['issuesAndPullRequests']['response'],
+  github: Octokit,
+  pullRequestData: RestEndpointMethodTypes['search']['issuesAndPullRequests']['response']['data']['items']
+) => {
+  try {
+    const baseUrl = process.env.GITHUB_API_BASE_URL
+      ? process.env.GITHUB_API_BASE_URL
+      : 'https://api.github.com';
+    const nextPageLink = await getPageLinks(response).next.replace(baseUrl, '');
+
+    const githubResults = (await github.request(
+      'GET ' + nextPageLink
+    )) as RestEndpointMethodTypes['search']['issuesAndPullRequests']['response'];
+    const newPullRequestData = pullRequestData.concat(githubResults.data.items);
+    if (hasNextPage(githubResults)) {
+      return await getNextPage(githubResults, github, newPullRequestData);
+    }
+
+    if (process.env.NODE_ENV !== 'production') {
+      console.log(`Found ${pullRequestData.length} pull requests.`);
+    }
+    return newPullRequestData;
+  } catch (error: unknown) {
+    console.log('Error: ' + error);
+    return error;
+  }
+};
+
+export default getNextPage;

api/controllers/pr/findPrs/github/getPageLinks.ts

@@ -0,0 +1,32 @@
+export interface GetPageLinksLink {
+  link?: string;
+  headers?: {
+    link?: string;
+  };
+}
+
+interface HasNextPage {
+  next?: string;
+}
+
+const getPageLinks = (link: GetPageLinksLink): HasNextPage => {
+  const extractedLink: string = link.link || link.headers.link || '';
+
+  const links: {
+    [key: string]: string[];
+  } = {};
+
+  // link format:
+  // '<https://api.github.com/users/aseemk/followers?page=2>; rel="next", <https://api.github.com/users/aseemk/followers?page=2>; rel="last"'
+  extractedLink.replace(
+    /<([^>]*)>;\s*rel="([\w]*)"/g,
+    // @ts-ignore
+    (m: string, uri: string[], type: string) => {
+      links[type] = uri;
+    }
+  );
+
+  return links;
+};
+
+export default getPageLinks;

api/controllers/pr/findPrs/github/hasNextPage.ts

@@ -0,0 +1,7 @@
+import getPageLinks, { GetPageLinksLink } from './getPageLinks';
+
+const hasNextPage = (link: GetPageLinksLink) => {
+  return getPageLinks(link).next;
+};
+
+export default hasNextPage;