fix: add makeSandeboxEndpoint function

package.json

@@ -3,10 +3,11 @@
   "version": "0.0.0",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
-  "repository":
-    "[email protected]:graphql-boilerplates/graphql-boilerplate-install.git",
+  "repository": "[email protected]:graphql-boilerplates/graphql-boilerplate-install.git",
   "author": "Johannes Schickling <[email protected]>",
-  "contributors": ["Kim Brandwijk <[email protected]>"],
+  "contributors": [
+    "Kim Brandwijk <[email protected]>"
+  ],
   "license": "MIT",
   "scripts": {
     "prepublishOnly": "npm run build",
@@ -18,7 +19,9 @@
   },
   "dependencies": {
     "cross-spawn": "5.1.0",
-    "npm-run": "4.1.2"
+    "node-fetch": "^2.1.2",
+    "npm-run": "4.1.2",
+    "sillyname": "^0.1.0"
   },
   "devDependencies": {
     "@types/node": "8.5.7",

src/index.ts

@@ -1,2 +1,2 @@
 export { replaceInFile, replaceInFiles } from './utils'
-export { deploy, writeEnv, getInfo } from './prisma'
+export { deploy, writeEnv, getInfo, makeSandboxEndpoint } from './prisma'

src/ping.ts

@@ -0,0 +1,64 @@
+import * as fetch from 'node-fetch'
+export type Region = 'EU_WEST_1' | 'US_WEST_2'
+
+const regionMap = {
+  EU_WEST_1: 'eu1',
+  US_WEST_2: 'us1',
+}
+
+async function runPing(url: string): Promise<number> {
+  const pingUrl = async () => {
+    const start = Date.now()
+
+    if (process.env.NODE_ENV !== 'test') {
+      await fetch(url)
+    }
+
+    return Date.now() - start
+  }
+  const pings = await Promise.all([0, 0].map(pingUrl))
+
+  return sum(pings) / pings.length
+}
+
+export const regions: Region[] = ['EU_WEST_1', 'US_WEST_2']
+
+export async function getFastestRegion(): Promise<string> {
+  const pingResults = await Promise.all(
+    regions.map(async (region: Region) => {
+      const ping = await runPing(getPingUrl(region))
+      return {
+        region,
+        ping,
+      }
+    }),
+  )
+
+  const fastestRegion: { region: Region; ping: number } = pingResults.reduce(
+    (min, curr) => {
+      if (curr.ping < min.ping) {
+        return curr
+      }
+      return min
+    },
+    { region: 'EU_WEST_1', ping: Infinity },
+  )
+
+  return regionMap[fastestRegion.region]
+}
+
+export const getDynamoUrl = (region: string) =>
+  `http://dynamodb.${region.toLowerCase().replace(/_/g, '-')}.amazonaws.com`
+
+const getPingUrl = (region: string) =>
+  `${getDynamoUrl(region)}/ping?x=${randomString()}`
+
+function sum(arr) {
+  return arr.reduce((acc, curr) => acc + curr, 0)
+}
+
+function randomString() {
+  return Math.random()
+    .toString(36)
+    .substring(7)
+}

src/prisma.ts

@@ -1,5 +1,7 @@
 import * as fs from 'fs'
 import { spawn } from './utils'
+import * as sillyname from 'sillyname'
+import { getFastestRegion } from './ping'
 
 export async function deploy(silent: boolean) {
   const options = { stdio: silent ? 'pipe' : 'inherit' }
@@ -27,10 +29,30 @@ export async function writeEnv() {
         '.env',
         `\
 PRISMA_SECRET=${endpointInfo.secret}
-PRISMA_STAGE=${endpointInfo.stage}
-PRISMA_CLUSTER=${endpointInfo.cluster}
 PRISMA_ENDPOINT=${endpointInfo.httpEndpoint}`,
       )
     })
     .catch(err => console.error(err))
 }
+
+export async function makeSandboxEndpoint(project: string) {
+  const region = await getFastestRegion()
+  return `https://${region}.prisma.sh/public-${getSillyName()}/${project}/dev`
+}
+
+function getSillyName() {
+  return `${slugify(sillyname()).split('-')[0]}-${Math.round(
+    Math.random() * 1000,
+  )}`
+}
+
+function slugify(text) {
+  return text
+    .toString()
+    .toLowerCase()
+    .replace(/\s+/g, '-') // Replace spaces with -
+    .replace(/[^\w\-]+/g, '') // Remove all non-word chars
+    .replace(/\-\-+/g, '-') // Replace multiple - with single -
+    .replace(/^-+/, '') // Trim - from start of text
+    .replace(/-+$/, '') // Trim - from end of text
+}

yarn.lock

@@ -148,6 +148,10 @@ mkdirp@^0.5.1:
   dependencies:
     minimist "0.0.8"
 
+node-fetch@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
+
 npm-path@^2.0.2, npm-path@^2.0.3:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/npm-path/-/npm-path-2.0.4.tgz#c641347a5ff9d6a09e4d9bce5580c4f505278e64"
@@ -217,6 +221,10 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
+sillyname@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/sillyname/-/sillyname-0.1.0.tgz#cfd98858e2498671347775efe3bb5141f46c87d6"
+
 source-map-support@^0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.0.tgz#2018a7ad2bdf8faf2691e5fddab26bed5a2bacab"