From 97cc57f2f1cf21de1899c43887591f262a1568fe Mon Sep 17 00:00:00 2001
From: Haoqun Jiang <haoqunjiang@gmail.com>
Date: Tue, 7 Jan 2020 16:35:46 +0800
Subject: [PATCH 1/2] refactor: use a plain http request to get package
 metadata

fixes #4895
fixes #4995
---
 packages/@vue/cli-shared-utils/lib/request.js |  5 ++--
 .../cli/lib/util/ProjectPackageManager.js     | 27 +++++++++++--------
 2 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/packages/@vue/cli-shared-utils/lib/request.js b/packages/@vue/cli-shared-utils/lib/request.js
index b8f38bc067..46a6590752 100644
--- a/packages/@vue/cli-shared-utils/lib/request.js
+++ b/packages/@vue/cli-shared-utils/lib/request.js
@@ -1,5 +1,5 @@
 exports.request = {
-  get (uri) {
+  get (uri, opts) {
     // lazy require
     const request = require('request-promise-native')
     const reqOpts = {
@@ -7,7 +7,8 @@ exports.request = {
       timeout: 30000,
       resolveWithFullResponse: true,
       json: true,
-      uri
+      uri,
+      ...opts
     }
 
     return request(reqOpts)
diff --git a/packages/@vue/cli/lib/util/ProjectPackageManager.js b/packages/@vue/cli/lib/util/ProjectPackageManager.js
index 4ffcf82023..c9b6f42851 100644
--- a/packages/@vue/cli/lib/util/ProjectPackageManager.js
+++ b/packages/@vue/cli/lib/util/ProjectPackageManager.js
@@ -8,6 +8,7 @@ const {
   chalk,
   execa,
   semver,
+  request,
 
   hasYarn,
   hasProjectYarn,
@@ -19,7 +20,8 @@ const {
   resolvePluginId,
 
   log,
-  warn
+  warn,
+  error
 } = require('@vue/cli-shared-utils')
 
 const { loadOptions } = require('../options')
@@ -174,7 +176,7 @@ class PackageManager {
     }
   }
 
-  async getMetadata (packageName, { field = '' } = {}) {
+  async getMetadata (packageName, { full = false } = {}) {
     const registry = await this.getRegistry()
 
     const metadataKey = `${this.bin}-${registry}-${packageName}`
@@ -184,17 +186,20 @@ class PackageManager {
       return metadata
     }
 
-    const args = await this.addRegistryToArgs(['info', packageName, field, '--json'])
-    const { stdout } = await execa(this.bin, args)
-
-    metadata = JSON.parse(stdout)
-    if (this.bin === 'yarn') {
-      // `yarn info` outputs messages in the form of `{"type": "inspect", data: {}}`
-      metadata = metadata.data
+    const headers = {}
+    if (!full) {
+      headers.Accept = 'application/vnd.npm.install-v1+json'
     }
 
-    metadataCache.set(metadataKey, metadata)
-    return metadata
+    const url = `${registry}/${packageName}`
+    try {
+      metadata = (await request.get(url, { headers })).body
+      metadataCache.set(metadataKey, metadata)
+      return metadata
+    } catch (e) {
+      error(`Failed to get response from ${url}`)
+      throw e
+    }
   }
 
   async getRemoteVersion (packageName, versionRange = 'latest') {

From 1fe8b1e4c0743adbfdb5f36d39bd0eb23e311233 Mon Sep 17 00:00:00 2001
From: Haoqun Jiang <haoqunjiang@gmail.com>
Date: Wed, 8 Jan 2020 10:38:17 +0800
Subject: [PATCH 2/2] chore: add link to the package metadata documentation

---
 packages/@vue/cli/lib/util/ProjectPackageManager.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/@vue/cli/lib/util/ProjectPackageManager.js b/packages/@vue/cli/lib/util/ProjectPackageManager.js
index c9b6f42851..4ea1f8c5b7 100644
--- a/packages/@vue/cli/lib/util/ProjectPackageManager.js
+++ b/packages/@vue/cli/lib/util/ProjectPackageManager.js
@@ -176,6 +176,7 @@ class PackageManager {
     }
   }
 
+  // https://github.com/npm/registry/blob/master/docs/responses/package-metadata.md
   async getMetadata (packageName, { full = false } = {}) {
     const registry = await this.getRegistry()