chore: split app into api and web

api/package.json

@@ -0,0 +1,10 @@
+{
+  "name": "@namae/availability",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "isomorphic-unfetch": "^3.0.0",
+    "npm-name": "^5.5.0",
+    "whois-json": "^2.0.4"
+  }
+}

api/services/cratesio.js

@@ -0,0 +1,23 @@
+const fetch = require('isomorphic-unfetch')
+
+async function getAvailability(name) {
+  const response = await fetch(
+    `https://crates.io/api/v1/crates/${encodeURIComponent(name)}`
+  )
+  return response.status !== 200
+}
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const availability = await getAvailability(name)
+    res.json({ availability })
+  } catch (err) {
+    res.status(400).json({ error: err.message })
+  }
+}

api/services/dns.js

@@ -0,0 +1,30 @@
+var dns = require('dns')
+
+function resolvePromise(hostname) {
+  return new Promise((resolve, reject) => {
+    dns.resolve4(hostname, function(err, addresses) {
+      if (err) return reject(err)
+      resolve(addresses)
+    })
+  })
+}
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const response = await resolvePromise(name)
+    const availability = response && response.length > 0 ? false : true
+
+    res.json({ availability })
+  } catch (err) {
+    if (err.code === 'ENODATA') {
+      return res.status(200).json({ availability: true })
+    }
+    res.status(400).json({ error: err.message })
+  }
+}

api/services/domain.js

@@ -0,0 +1,18 @@
+import whois from 'whois-json'
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const response = await whois(name, { follow: 3, verbose: true })
+    const availability = response[0].data.domainName ? false : true
+
+    res.json({ availability })
+  } catch (err) {
+    res.status(400).json({ error: err.message })
+  }
+}

api/services/github.js

@@ -0,0 +1,21 @@
+const fetch = require('isomorphic-unfetch')
+
+async function getAvailability(name) {
+  const response = await fetch(`https://github.com/${encodeURIComponent(name)}`)
+  return response.status !== 200
+}
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const availability = await getAvailability(name)
+    res.json({ availability })
+  } catch (err) {
+    res.status(400).json({ error: err.message })
+  }
+}

api/services/npm-org.js

@@ -0,0 +1,16 @@
+const npmName = require('npm-name')
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const availability = await npmName(`@${name}`)
+    res.json({ availability })
+  } catch (err) {
+    res.status(400).json({ error: err.message })
+  }
+}

api/services/npm.js

@@ -0,0 +1,16 @@
+const npmName = require('npm-name')
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const availability = await npmName(name)
+    res.json({ availability })
+  } catch (err) {
+    res.status(400).json({ error: err.message })
+  }
+}

api/services/pypi.js

@@ -0,0 +1,23 @@
+const fetch = require('isomorphic-unfetch')
+
+async function getAvailability(name) {
+  const response = await fetch(
+    `https://pypi.org/pypi/${encodeURIComponent(name)}/json`
+  )
+  return response.status !== 200
+}
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const availability = await getAvailability(name)
+    res.json({ availability })
+  } catch (err) {
+    res.status(400).json({ error: err.message })
+  }
+}

api/services/s3.js

@@ -0,0 +1,23 @@
+const fetch = require('isomorphic-unfetch')
+
+async function getAvailability(name) {
+  const response = await fetch(
+    `https://${encodeURIComponent(name)}.s3.amazonaws.com`
+  )
+  return response.status !== 200
+}
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const availability = await getAvailability(name)
+    res.json({ availability })
+  } catch (err) {
+    res.status(400).json({ error: err.message })
+  }
+}

api/services/slack.js

@@ -0,0 +1,31 @@
+const fetch = require('isomorphic-unfetch')
+
+async function getAvailability(name) {
+  try {
+    const response = await fetch(
+      `https://${encodeURIComponent(name)}.slack.com`
+    )
+    return response.status !== 200
+  } catch (err) {
+    if (err.code === 'ENOTFOUND') {
+      return true
+    } else {
+      throw new Error(err.message)
+    }
+  }
+}
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const availability = await getAvailability(name)
+    res.json({ availability })
+  } catch (err) {
+    res.status(400).json({ error: err.message })
+  }
+}

api/services/twitter.js

@@ -0,0 +1,23 @@
+const fetch = require('isomorphic-unfetch')
+
+async function getAvailability(name) {
+  const response = await fetch(
+    `https://twitter.com/${encodeURIComponent(name)}`
+  )
+  return response.status !== 200
+}
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const availability = await getAvailability(name)
+    res.json({ availability })
+  } catch (err) {
+    res.status(400).json({ error: err.message })
+  }
+}