feat(cli): allow to set an alias name for a generator, added set-alia…

…s get-alias commands.

bin/cli.js

@@ -1,5 +1,6 @@
 #!/usr/bin/env node
 const cac = require('cac').default
+const SAOError = require('../lib/SAOError')
 
 const cli = cac()
 
@@ -41,6 +42,28 @@ cli
     alias: 'y'
   })
 
+cli.command('set-alias', 'Set an alias for a generator path', input => {
+  const store = require('../lib/store')
+  const { escapeDots } = require('../lib/utils/common')
+  const logger = require('../lib/logger')
+
+  const name = input[0]
+  const value = input[1]
+  if (!name || !value) {
+    throw new SAOError(`Invalid arguments: sao set-alias <alias> <generator>`)
+  }
+
+  store.set(`alias.${escapeDots(name)}`, value)
+  logger.success(`Added alias '${name}'`)
+})
+
+cli.command('get-alias', 'Get the generator for an alias', input => {
+  const store = require('../lib/store')
+  const { escapeDots } = require('../lib/utils/common')
+
+  console.log(store.get(`alias.${escapeDots(input[0])}`))
+})
+
 cli.on('error', error => {
   return require('..').handleError(error)
 })

lib/logger.js

@@ -5,7 +5,7 @@ class Logger {
   constructor(options) {
     this.options = Object.assign(
       {
-        logLevel: 2
+        logLevel: 3
       },
       options
     )

lib/parseGenerator.js

@@ -1,7 +1,10 @@
 const path = require('path')
 const sum = require('hash-sum')
 const paths = require('./paths')
+const store = require('./store')
+const SAOError = require('./SAOError')
 const isLocalPath = require('./utils/isLocalPath')
+const { escapeDots } = require('./utils/common')
 
 /**
  *
@@ -24,11 +27,12 @@ module.exports = generator => {
     }
   }
 
-  if (!generator.startsWith('npm:') && !generator.includes('/')) {
+  const SPECIAL_PREFIX_RE = /^(npm|github|bitbucket|gitlab|alias):/
+
+  if (!SPECIAL_PREFIX_RE.test(generator) && !generator.includes('/')) {
     generator = `npm:sao-${generator}`
   }
 
-  const SPECIAL_PREFIX_RE = /^(npm|github|bitbucket|gitlab):/
   /** @type {string|null} */
   let type = null
   if (SPECIAL_PREFIX_RE.test(generator)) {
@@ -56,6 +60,37 @@ module.exports = generator => {
     }
   }
 
+  if (type === 'alias') {
+    const hasSubGenerator = generator.indexOf(':') !== -1
+    const alias = generator.slice(
+      0,
+      hasSubGenerator ? generator.indexOf(':') : generator.length
+    )
+    const url = store.get(`alias.${escapeDots(alias)}`)
+    if (!url) {
+      throw new SAOError(`Cannot find alias '${alias}'`)
+    }
+    if (isLocalPath(url)) {
+      return {
+        type: 'local',
+        path: url,
+        subGenerator:
+          hasSubGenerator && generator.slice(generator.indexOf(':') + 1),
+        hash: sum(url)
+      }
+    }
+    const slug = `direct:${url}`
+    const hash = sum(`repo:${slug}`)
+    return {
+      type: 'repo',
+      slug,
+      subGenerator:
+        hasSubGenerator && generator.slice(generator.indexOf(':') + 1),
+      hash,
+      path: path.join(paths.repoPath, hash)
+    }
+  }
+
   const [
     ,
     user,

lib/utils/common.js

@@ -0,0 +1 @@
+exports.escapeDots = v => v.replace(/\./g, '\\.')

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sao",
-  "version": "0.0.0",
+  "version": "0.0.0-semantic-release",
   "description": "Futuristic scaffolding tool ⚔",
   "repository": {
     "url": "https://github.com/saojs/sao.git",