feat(api): typescript

.gitignore

@@ -1,4 +1,5 @@
 .vscode
+/api/dist
 /web/build
 
 # Created by https://www.gitignore.io/api/node

api/.babelrc

@@ -1,10 +0,0 @@
-{
-  "presets": [
-    [
-      "@babel/preset-env",
-      {
-        "targets": { "node": "current" }
-      }
-    ]
-  ]
-}

api/jest.config.js

@@ -1,4 +1,7 @@
 module.exports = {
   automock: false,
-  setupFiles: ['./setupJest.js'],
+  setupFiles: ['./setupJest.ts'],
+  testEnvironment: 'node',
+  preset: 'ts-jest',
+  testPathIgnorePatterns: ['/dist/'],
 }

api/package.json

@@ -2,20 +2,26 @@
   "name": "@namae/api",
   "version": "0.1.0",
   "scripts": {
+    "build": "tsc",
+    "now-build": "tsc",
+    "start": "tsc -w",
     "test": "jest"
   },
   "dependencies": {
     "google-it": "^1.2.1",
     "isomorphic-unfetch": "^3.0.0",
     "npm-name": "^5.5.0",
+    "typescript": "^3.6.2",
     "whois-json": "^2.0.4"
   },
   "devDependencies": {
-    "@babel/preset-env": "^7.5.5",
     "@types/jest": "^24.0.18",
-    "babel-jest": "^24.9.0",
+    "@types/nock": "^10.0.3",
+    "@types/node": "^12.7.3",
+    "@types/node-fetch": "^2.5.0",
     "jest": "^24.9.0",
-    "nock": "^10.0.6"
+    "nock": "^10.0.6",
+    "ts-jest": "^24.0.2"
   },
   "private": true
 }

api/services/appstore.ts

@@ -1,6 +1,22 @@
-const { send, sendError, fetch } = require('../util/http')
+import { send, sendError, fetch, NowRequest, NowResponse } from '../util/http'
 
-module.exports = async (req, res) => {
+interface App {
+  trackId: string
+  trackName: string
+  kind: string
+  version: string
+  price: string
+  trackViewUrl: string
+}
+
+interface AppStoreResponse {
+  results: App[]
+}
+
+export default async function handler(
+  req: NowRequest<{ query: string; country: string }>,
+  res: NowResponse
+) {
   const { query, country } = req.query
 
   if (!query) {
@@ -16,7 +32,7 @@ module.exports = async (req, res) => {
       `https://itunes.apple.com/search?media=software&entity=software,iPadSoftware,macSoftware&country=${countryCode}&limit=${limit}&term=${term}`,
       'GET'
     )
-    const body = await response.json()
+    const body: AppStoreResponse = await response.json()
     const apps = body.results.map((app) => ({
       id: app.trackId,
       name: app.trackName,

api/services/debian.ts

@@ -1,6 +1,6 @@
-const { send, sendError, fetch } = require('../util/http')
+import { send, sendError, fetch, NowRequest, NowResponse } from '../util/http'
 
-module.exports = async (req, res) => {
+export default async function handler(req: NowRequest, res: NowResponse) {
   const { query } = req.query
 
   if (!query) {

api/services/dns.ts

@@ -1,7 +1,7 @@
-var dns = require('dns')
-const { send, sendError } = require('../util/http')
+import dns from 'dns'
+import { send, sendError, NowRequest, NowResponse } from '../util/http'
 
-function resolvePromise(hostname) {
+function resolvePromise(hostname: string): Promise<string[]> {
   return new Promise((resolve, reject) => {
     dns.resolve4(hostname, function(err, addresses) {
       if (err) return reject(err)
@@ -10,7 +10,7 @@ function resolvePromise(hostname) {
   })
 }
 
-module.exports = async (req, res) => {
+export default async function handler(req: NowRequest, res: NowResponse) {
   const { query } = req.query
 
   if (!query) {

api/services/domain.ts

@@ -1,7 +1,7 @@
 import whois from 'whois-json'
-const { send, sendError } = require('../util/http')
+import { send, sendError, NowRequest, NowResponse } from '../util/http'
 
-module.exports = async (req, res) => {
+export default async function handler(req: NowRequest, res: NowResponse) {
   const { query } = req.query
 
   if (!query) {

api/services/existence.ts

@@ -1,6 +1,6 @@
-const { send, sendError, fetch } = require('../util/http')
+import { send, sendError, fetch, NowRequest, NowResponse } from '../util/http'
 
-module.exports = async (req, res) => {
+export default async function handler(req: NowRequest, res: NowResponse) {
   const { query } = req.query
 
   if (!query) {

api/services/existense.test.ts

@@ -1,5 +1,7 @@
-import provider from './existence'
 import nock from 'nock'
+import { mockProvider } from '../util/testHelpers'
+
+import provider from './existence'
 
 test('return false if name is taken', async () => {
   const result = await mockProvider(provider, { query: 'github.com/uetchy' })
@@ -16,104 +18,64 @@ test('return true if name is not taken', async () => {
 beforeEach(() => {
   nock('https://github.com:443', { encodedQueryParams: true })
     .head('/uetchyasdf')
-    .reply(
-      404,
-      [],
-      [
-        'Date',
-        'Wed, 14 Aug 2019 10:52:54 GMT',
-        'Content-Type',
-        'text/plain; charset=utf-8',
-        'Connection',
-        'close',
-        'Server',
-        'GitHub.com',
-        'Status',
-        '404 Not Found',
-        'Vary',
-        'X-PJAX',
-        'Cache-Control',
-        'no-cache',
-        'Set-Cookie',
+    .reply(404, [], {
+      Date: 'Wed, 14 Aug 2019 10:52:54 GMT',
+      'Content-Type': 'text/plain; charset=utf-8',
+      Connection: 'close',
+      Server: 'GitHub.com',
+      Status: '404 Not Found',
+      Vary: 'X-PJAX',
+      'Cache-Control': 'no-cache',
+      'Set-Cookie': [
         'has_recent_activity=1; path=/; expires=Wed, 14 Aug 2019 11:52:54 -0000',
-        'Set-Cookie',
         'logged_in=no; domain=.github.com; path=/; expires=Sun, 14 Aug 2039 10:52:54 -0000; secure; HttpOnly',
-        'Set-Cookie',
-        '_gh_sess=L0ZETUlMOEYxa3R3ZHRmMXlwYlRDQ1htRXZDMXA0WTJaMm5FTmJ6WnNjL0wrRERtbVRnck10Q3R6ZHpoV1JEaWoyQ3RNSFdXSW9KWFAycy9JZnJUY0RRbXlsSGpHREdPTmluTDA3S1JmamVIUXI0U29xVnhUNkRZZEVZNEdnSm8tLWIyZTA4OU12MHVhblhzSmIvYzFFdWc9PQ%3D%3D--2c1699922db712db405ce841c8863aaccd1dc293; path=/; secure; HttpOnly',
-        'X-Request-Id',
-        'c9060424-821a-4a42-aacb-f8325f946d3a',
-        'Strict-Transport-Security',
+        '_gh_sess=L0ZETUlMOEYxa3R3ZHRmMXlwYlRDQ1htRXZDMXA0WTJaMm5FTmJ6WnNjL0wrRERtbVRnck10Q3R6ZHpoV1JEaWoyQ3RNSFdXSW9KWFAycy,JZnJUY0RRbXlsSGpHREdPTmluTDA3S1JmamVIUXI0U29xVnhUNkRZZEVZNEdnSm8tLWIyZTA4OU12MHVhblhzSmIvYzFFdWc9PQ%3D%3D--2c1699922db712db405ce841c8863aaccd1dc293; path=/; secure; HttpOnly',
+      ],
+      'X-Request-Id': 'c9060424-821a-4a42-aacb-f8325f946d3a',
+      'Strict-Transport-Security':
         'max-age=31536000; includeSubdomains; preload',
-        'X-Frame-Options',
-        'deny',
-        'X-Content-Type-Options',
-        'nosniff',
-        'X-XSS-Protection',
-        '1; mode=block',
-        'Referrer-Policy',
+      'X-Frame-Options': 'deny',
+      'X-Content-Type-Options': 'nosniff',
+      'X-XSS-Protection': '1; mode=block',
+      'Referrer-Policy':
         'origin-when-cross-origin, strict-origin-when-cross-origin',
-        'Expect-CT',
+      'Expect-CT':
         'max-age=2592000, report-uri="https://api.github.com/_private/browser/errors"',
-        'Content-Security-Policy',
-        "default-src 'none'; base-uri 'self'; connect-src 'self'; form-action 'self'; img-src 'self' data:; script-src 'self'; style-src 'unsafe-inline'",
-        'Content-Encoding',
-        'gzip',
-        'X-GitHub-Request-Id',
-        'BA06:51D6:125A0F:1A9B4A:5D53E806',
-      ]
-    )
+      'Content-Security-Policy':
+        "default-src 'none'; base-uri 'self'; connect-src 'self'; form-action 'self'; img-src 'self' data:; script-src,'self'; style-src 'unsafe-inline'",
+      'Content-Encoding': 'gzip',
+      'X-GitHub-Request-Id': 'BA06:51D6:125A0F:1A9B4A:5D53E806',
+    })
   nock('https://github.com:443', { encodedQueryParams: true })
     .head('/uetchy')
-    .reply(
-      200,
-      [],
-      [
-        'Date',
-        'Wed, 14 Aug 2019 10:43:09 GMT',
-        'Content-Type',
-        'text/html; charset=utf-8',
-        'Connection',
-        'close',
-        'Server',
-        'GitHub.com',
-        'Status',
-        '200 OK',
-        'Vary',
-        'X-Requested-With',
-        'ETag',
-        'W/"1d0b1abdacee756e874ad8ecbc350aea"',
-        'Cache-Control',
-        'max-age=0, private, must-revalidate',
-        'Set-Cookie',
+    .reply(200, [], {
+      Date: 'Wed, 14 Aug 2019 10:43:09 GMT',
+      'Content-Type': 'text/html; charset=utf-8',
+      Connection: 'close',
+      Server: 'GitHub.com',
+      Status: '200 OK',
+      Vary: ['X-Requested-With', 'Accept-Encoding'],
+      ETag: 'W/"1d0b1abdacee756e874ad8ecbc350aea"',
+      'Cache-Control': 'max-age=0, private, must-revalidate',
+      'Set-Cookie': [
         'has_recent_activity=1; path=/; expires=Wed, 14 Aug 2019 11:43:08 -0000',
-        'Set-Cookie',
         '_octo=GH1.1.1968814248.1565779389; domain=.github.com; path=/; expires=Sat, 14 Aug 2021 10:43:09 -0000',
-        'Set-Cookie',
         'logged_in=no; domain=.github.com; path=/; expires=Sun, 14 Aug 2039 10:43:09 -0000; secure; HttpOnly',
-        'Set-Cookie',
         '_gh_sess=VFVEY3RvRkp6UGlHZnAxM1JET3lGV1dDU2lzbTltcDZGNlVaWUp4cGx2WERIaDhvU3QydU83UUU3WkdzSHVCRGZSZUhrNG85Q2llRVA4TUg0Q1BRYUVhRVhIUHozSGJ2cDVab1J5SkE0dW9tVU04TW96bVRJcWpXSU0ydmQ0V1FiNy9tVitBQTdYS0tvR3UzVjdpTXd1MHJJeSt3OTB5RkFJUlpxSm1rT0VFRDNIb2RGeEhvWHhaUzlOc1JEdlZkTTJRQnNOamZaSEVMWHBacVkrdys3Zz09LS1tT05yQUpQUWdrR2hvKzhkK2U1WGFRPT0%3D--fa39d5bf1e2d5a9bc9fcf927fce211a2a0cf07bb; path=/; secure; HttpOnly',
-        'X-Request-Id',
-        '38b2d3b9-21df-49d4-9cf5-8b85181fa67e',
-        'Strict-Transport-Security',
+      ],
+      'X-Request-Id': '38b2d3b9-21df-49d4-9cf5-8b85181fa67e',
+      'Strict-Transport-Security':
         'max-age=31536000; includeSubdomains; preload',
-        'X-Frame-Options',
-        'deny',
-        'X-Content-Type-Options',
-        'nosniff',
-        'X-XSS-Protection',
-        '1; mode=block',
-        'Referrer-Policy',
+      'X-Frame-Options': 'deny',
+      'X-Content-Type-Options': 'nosniff',
+      'X-XSS-Protection': '1; mode=block',
+      'Referrer-Policy':
         'origin-when-cross-origin, strict-origin-when-cross-origin',
-        'Expect-CT',
+      'Expect-CT':
         'max-age=2592000, report-uri="https://api.github.com/_private/browser/errors"',
-        'Content-Security-Policy',
+      'Content-Security-Policy':
         "default-src 'none'; base-uri 'self'; block-all-mixed-content; connect-src 'self' uploads.github.com www.githubstatus.com collector.githubapp.com api.github.com www.google-analytics.com github-cloud.s3.amazonaws.com github-production-repository-file-5c1aeb.s3.amazonaws.com github-production-upload-manifest-file-7fdce7.s3.amazonaws.com github-production-user-asset-6210df.s3.amazonaws.com wss://live.github.com; font-src github.githubassets.com; form-action 'self' github.com gist.github.com; frame-ancestors 'none'; frame-src render.githubusercontent.com; img-src 'self' data: github.githubassets.com identicons.github.com collector.githubapp.com github-cloud.s3.amazonaws.com *.githubusercontent.com; manifest-src 'self'; media-src 'none'; script-src github.githubassets.com; style-src 'unsafe-inline' github.githubassets.com",
-        'Content-Encoding',
-        'gzip',
-        'Vary',
-        'Accept-Encoding',
-        'X-GitHub-Request-Id',
-        'A922:19B1:AD411:FB69F:5D53E5BC',
-      ]
-    )
+      'Content-Encoding': 'gzip',
+      'X-GitHub-Request-Id': 'A922:19B1:AD411:FB69F:5D53E5BC',
+    })
 })

api/services/launchpad.ts

@@ -1,6 +1,6 @@
-const { send, sendError, fetch } = require('../util/http')
+import { send, sendError, fetch, NowRequest, NowResponse } from '../util/http'
 
-module.exports = async (req, res) => {
+export default async function handler(req: NowRequest, res: NowResponse) {
   const { query } = req.query
 
   if (!query) {

api/services/npm-org.ts

@@ -1,7 +1,7 @@
-const npmName = require('npm-name')
-const { send, sendError } = require('../util/http')
+import npmName from 'npm-name'
+import { send, sendError, fetch, NowRequest, NowResponse } from '../util/http'
 
-module.exports = async (req, res) => {
+export default async function handler(req: NowRequest, res: NowResponse) {
   const { query } = req.query
 
   if (!query) {

api/services/npm.ts

@@ -1,7 +1,7 @@
-const npmName = require('npm-name')
-const { send, sendError } = require('../util/http')
+import npmName from 'npm-name'
+import { send, sendError, NowRequest, NowResponse } from '../util/http'
 
-module.exports = async (req, res) => {
+export default async function handler(req: NowRequest, res: NowResponse) {
   const { query } = req.query
 
   if (!query) {

api/services/slack.ts

@@ -1,6 +1,6 @@
-const { send, sendError, fetch } = require('../util/http')
+import { send, sendError, fetch, NowRequest, NowResponse } from '../util/http'
 
-module.exports = async (req, res) => {
+export default async function handler(req: NowRequest, res: NowResponse) {
   const { query } = req.query
 
   if (!query) {
@@ -15,7 +15,7 @@ module.exports = async (req, res) => {
     send(res, { availability })
   } catch (err) {
     if (err.code === 'ENOTFOUND') {
-      send(res, true)
+      send(res, { availability: true })
     } else {
       sendError(res, err)
     }

api/services/spectrum.ts

@@ -1,6 +1,6 @@
-const { send, sendError, fetch } = require('../util/http')
+import { send, sendError, fetch, NowResponse, NowRequest } from '../util/http'
 
-module.exports = async (req, res) => {
+export default async function handler(req: NowRequest, res: NowResponse) {
   const { query } = req.query
 
   if (!query) {

api/setupJest.ts

@@ -0,0 +1,5 @@
+import nock from 'nock'
+
+nock.disableNetConnect()
+
+// nock.recorder.rec()

api/tsconfig.json

@@ -0,0 +1,63 @@
+{
+  "compilerOptions": {
+    /* Basic Options */
+    // "incremental": true,                   /* Enable incremental compilation */
+    "target": "es5" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
+    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
+    // "lib": [],                             /* Specify library files to be included in the compilation. */
+    "allowJs": true /* Allow javascript files to be compiled. */,
+    // "checkJs": true,                       /* Report errors in .js files. */
+    // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
+    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    // "sourceMap": true,                     /* Generates corresponding '.map' file. */
+    // "outFile": "./",                       /* Concatenate and emit output to single file. */
+    "outDir": "./dist" /* Redirect output structure to the directory. */,
+    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                     /* Enable project compilation */
+    // "tsBuildInfoFile": "./",               /* Specify file to store incremental compilation information */
+    // "removeComments": true,                /* Do not emit comments to output. */
+    // "noEmit": true,                        /* Do not emit outputs. */
+    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
+    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+    // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+
+    /* Strict Type-Checking Options */
+    "strict": true /* Enable all strict type-checking options. */,
+    // "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,              /* Enable strict null checks. */
+    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
+    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
+
+    /* Additional Checks */
+    // "noUnusedLocals": true,                /* Report errors on unused locals. */
+    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
+
+    /* Module Resolution Options */
+    // "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
+    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [],                       /* List of folders to include type definitions from. */
+    // "types": [],                           /* Type declaration files to be included in compilation. */
+    // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
+    // "allowUmdGlobalAccess": true,          /* Allow accessing UMD globals from modules. */
+
+    /* Source Map Options */
+    // "sourceRoot": "",                      /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "",                         /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+
+    /* Experimental Options */
+    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
+    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
+  }
+}

api/types/whois-json.d.ts

@@ -0,0 +1 @@
+declare module 'whois-json'

api/util/http.js

@@ -1,14 +0,0 @@
-const fetch = require('isomorphic-unfetch')
-
-exports.fetch = (url, method = 'HEAD') => {
-  return fetch(url, { method })
-}
-
-exports.send = (res, data) => {
-  res.setHeader('Cache-Control', 'maxage=0, s-maxage=43200')
-  res.json(data)
-}
-
-exports.sendError = (res, error) => {
-  res.status(400).json({ error: error.message })
-}

api/util/http.ts

@@ -0,0 +1,35 @@
+import nodeFetch from 'isomorphic-unfetch'
+
+export type HttpMethod =
+  | 'GET'
+  | 'POST'
+  | 'PUT'
+  | 'DELETE'
+  | 'HEAD'
+  | 'PATCH'
+  | 'CONNECT'
+  | 'TRACE'
+
+export interface NowRequest<T = { query: string }> {
+  query: T
+}
+
+export interface NowResponse {
+  setHeader: (label: string, body: string) => void
+  json: (obj: object) => void
+  status: (code: number) => NowResponse
+  length: number
+}
+
+export function fetch(url: string, method: HttpMethod = 'HEAD') {
+  return nodeFetch(url, { method: method })
+}
+
+export function send(res: NowResponse, data: object) {
+  res.setHeader('Cache-Control', 'maxage=0, s-maxage=43200')
+  res.json(data)
+}
+
+export function sendError(res: NowResponse, error: Error) {
+  res.status(400).json({ error: error.message })
+}

api/util/testHelpers.ts

@@ -1,10 +1,4 @@
-import nock from 'nock'
-
-nock.disableNetConnect()
-
-// nock.recorder.rec()
-
-global.mockProvider = async (provider, query) => {
+export async function mockProvider(provider: any, query: any) {
   const req = {
     query,
   }

now.json

@@ -9,14 +9,14 @@
       "config": { "distDir": "build" }
     },
     {
-      "src": "/api/services/*.js",
-      "use": "@now/node"
+      "src": "/api/services/*.ts",
+      "use": "@now/node@canary"
     }
   ],
   "routes": [
     {
       "src": "/availability/(?<provider>[^/]+)/(?<query>[^/]+)",
-      "dest": "/api/services/$provider.js?query=$query"
+      "dest": "/api/services/$provider.ts?query=$query"
     },
     {
       "src": "/(.*)",