feat: support using remote preset (close vuejs#884)

Author: yyx990803

packages/@vue/cli/bin/vue.js

@@ -36,12 +36,13 @@ program
 program
   .command('create <app-name>')
   .description('create a new project powered by vue-cli-service')
-  .option('-p, --preset <presetName>', 'Skip prompts and use saved preset')
+  .option('-p, --preset <presetName>', 'Skip prompts and use saved or remote preset')
   .option('-d, --default', 'Skip prompts and use default preset')
   .option('-i, --inlinePreset <json>', 'Skip prompts and use inline JSON string as preset')
   .option('-m, --packageManager <command>', 'Use specified npm client when installing dependencies')
   .option('-r, --registry <url>', 'Use specified npm registry when installing dependencies (only for npm)')
   .option('-f, --force', 'Overwrite target directory if it exists')
+  .option('-c, --clone', 'Use git clone when fetching remote preset')
   .action((name, cmd) => {
     require('../lib/create')(name, cleanArgs(cmd))
   })

packages/@vue/cli/lib/Creator.js

@@ -13,6 +13,7 @@ const PromptModuleAPI = require('./PromptModuleAPI')
 const writeFileTree = require('./util/writeFileTree')
 const formatFeatures = require('./util/formatFeatures')
 const setupDevProject = require('./util/setupDevProject')
+const fetchRemotePreset = require('./util/fetchRemotePreset')
 
 const {
   defaults,
@@ -60,7 +61,7 @@ module.exports = class Creator {
     let preset
     if (cliOptions.preset) {
       // vue create foo --preset bar
-      preset = this.resolvePreset(cliOptions.preset)
+      preset = await this.resolvePreset(cliOptions.preset, cliOptions.clone)
     } else if (cliOptions.default) {
       // vue create foo --default
       preset = defaults.presets.default
@@ -194,7 +195,7 @@ module.exports = class Creator {
 
     let preset
     if (answers.preset && answers.preset !== '__manual__') {
-      preset = this.resolvePreset(answers.preset)
+      preset = await this.resolvePreset(answers.preset)
     } else {
       // manual
       preset = {
@@ -218,9 +219,24 @@ module.exports = class Creator {
     return preset
   }
 
-  resolvePreset (name) {
+  async resolvePreset (name, clone) {
+    let preset
     const savedPresets = loadOptions().presets || {}
-    let preset = savedPresets[name]
+
+    if (name.includes('/')) {
+      logWithSpinner(`Fetching remote preset ${chalk.cyan(name)}...`)
+      try {
+        preset = await fetchRemotePreset(name, clone)
+        stopSpinner()
+      } catch (e) {
+        stopSpinner()
+        error(`Failed fetching remote preset ${chalk.cyan(name)}:`)
+        throw e
+      }
+    } else {
+      preset = savedPresets[name]
+    }
+
     // use default preset if user has not overwritten it
     if (name === 'default' && !preset) {
       preset = defaults.presets.default

packages/@vue/cli/lib/util/fetchRemotePreset.js

@@ -0,0 +1,27 @@
+module.exports = function fetchRemotePreset (name, clone) {
+  // github shorthand fastpath
+  if (!clone && /^[\w_-]+\/[\w_-]+$/.test(name)) {
+    const { get } = require('./request')
+    return get(`https://raw.githubusercontent.com/${name}/master/preset.json`)
+      .then(res => res.body)
+  }
+
+  // fallback to full download
+  const os = require('os')
+  const path = require('path')
+  const download = require('download-git-repo')
+  const tmpdir = path.join(os.tmpdir(), 'vue-cli')
+
+  return new Promise((resolve, reject) => {
+    download(name, tmpdir, { clone }, err => {
+      if (err) return reject(err)
+      let preset
+      try {
+        preset = require(path.join(tmpdir, 'preset.json'))
+      } catch (e) {
+        return reject(e)
+      }
+      resolve(preset)
+    })
+  })
+}

packages/@vue/cli/package.json

@@ -31,6 +31,7 @@
     "chalk": "^2.3.0",
     "commander": "^2.12.2",
     "debug": "^3.1.0",
+    "download-git-repo": "^1.0.2",
     "ejs": "^2.5.7",
     "execa": "^0.8.0",
     "globby": "^7.1.1",

yarn.lock

@@ -3080,7 +3080,7 @@ dot-prop@^3.0.0:
   dependencies:
     is-obj "^1.0.0"
 
-download-git-repo@^1.0.1:
+download-git-repo@^1.0.1, download-git-repo@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/download-git-repo/-/download-git-repo-1.0.2.tgz#0b93a62057e41e2f21b1a06c95e7b26362b108ff"
   dependencies: