add regions list command

not extremely useful but a nice to have. precursor to updating region select for app env creation

src/commands/index.js

@@ -12,6 +12,7 @@ let list = require('./list')
 let login = require('./login')
 let logout = require('./logout')
 let newProj = require('./new')
+let regions = require('./regions')
 let tail = require('./tail')
 let team = require('./team')
 let telemetry = require('./telemetry')
@@ -20,7 +21,8 @@ let update = require('./update')
 let version = require('./version')
 let commands = [
   builds, create, deploy, destroy, dev, domains, envVar, generate, help,
-  list, login, logout, logs, newProj, tail, team, tokens, telemetry, update, version,
+  list, login, logout, logs, newProj, regions, tail, team, tokens, telemetry,
+  update, version,
 ]
 
 let helper = require('../helper')

src/commands/regions/help.js

@@ -0,0 +1,34 @@
+module.exports = async function (params) {
+  const {
+    args: { _: commands },
+  } = params
+  const action = commands[1]
+
+  if (HELP[action]) return HELP[action]
+
+  return {
+    en: {
+      usage: [ 'regions <action> <parameters>', '[options]' ],
+      description: 'Begin regions',
+      contents: {
+        header: 'Regions actions',
+        items: [
+          { name: 'list', description: 'List Begin regions' },
+        ],
+      },
+    },
+  }
+}
+
+const HELP = {
+  list: {
+    en: {
+      usage: [ 'regions list', '[options]' ],
+      description: 'List Begin regions',
+      contents: {
+        header: 'List Begin regions',
+        example: 'begin regions list',
+      },
+    },
+  },
+}

src/commands/regions/index.js

@@ -0,0 +1,34 @@
+const names = { en: [ 'regions' ] }
+const subcommands = [ 'list' ]
+const aliases = { ls: 'list' }
+const defaultCommand = 'list'
+const help = require('./help').bind({})
+
+async function action (params) {
+  const { args } = params
+  const { _ } = args
+  let subcommand = _[1] || defaultCommand
+  const alias = Object.keys(aliases).includes(subcommand) && aliases[subcommand]
+  subcommand = alias || subcommand
+
+  if (subcommands.includes(subcommand)) {
+    const lib = require('../../lib')
+    const { getConfig } = lib
+    const { action } = require(`./${subcommand}`)
+
+    const config = getConfig(params)
+    return action({
+      config,
+      ...params
+    })
+  }
+  else {
+    return help(params)
+  }
+}
+
+module.exports = {
+  names,
+  action,
+  help,
+}

src/commands/regions/list.js

@@ -0,0 +1,22 @@
+async function action (params) {
+  let client = require('@begin/api')
+  let f = require('../../lib/format')()
+  let collumns = require('../../lib/columns')
+  let { config } = params
+  let { access_token: token, stagingAPI: _staging } = config
+
+  let regions = await client.regions({ token, _staging })
+
+  if (!regions) return Error('No regions found!')
+
+  return [
+    f.bold('Available regions:'),
+    collumns(Object.entries(regions).map(([ k, v ]) => [ v, k ]), 2)
+  ].join('\n')
+}
+
+module.exports = {
+  name: 'list',
+  description: 'List Begin regions',
+  action,
+}

src/lib/columns.js

@@ -0,0 +1,27 @@
+/**
+ *
+ * @param {Array<Array<string>>} arrays
+ * @param {Number} padding
+ * @returns {string} mluti-line string
+ */
+function columns (arrays, padding = 1) {
+  const colLengths = []
+  arrays.forEach(row => {
+    row.forEach((item, colI) => {
+      colLengths[colI] = Math.max(colLengths[colI] || 0, item.length)
+    })
+  })
+
+  const lines = []
+  arrays.forEach(row => {
+    let line = row.map((item, colI) => {
+      return item.padEnd(colLengths[colI] + padding, ' ')
+    }).join('').trim()
+
+    lines.push(line)
+  })
+
+  return lines.join('\n')
+}
+
+module.exports = columns