feat: cli requires node 14

Author: favoyang

.github/workflows/ci.yml

@@ -7,12 +7,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [14.x]
     name: CI - node ${{ matrix.node-version }}
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: set node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}
     - name: npm install
@@ -25,9 +25,9 @@ jobs:
     needs: test
     if: github.ref == 'refs/heads/master'
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: Release
-      uses: cycjimmy/semantic-release-action@v2
+      uses: cycjimmy/semantic-release-action@v3
       with:
         extra_plugins: |
           @semantic-release/changelog

.nvmrc

@@ -0,0 +1 @@
+v14

README.md

@@ -38,7 +38,7 @@ The command-line tool installs the 3rd-party registry as a scoped registry and m
 
 ## Installation
 
-- Requires [nodejs 12](https://nodejs.org/en/download/).
+- Requires [nodejs 14 or above](https://nodejs.org/en/download/).
 - Install via npm:
 
   ```

lib/core.js

@@ -6,7 +6,7 @@ const url = require("url");
 const _ = require("lodash");
 const chalk = require("chalk");
 const mkdirp = require("mkdirp");
-const isIp = require("is-ip");
+const net = require('node:net');
 const isWsl = require("is-wsl");
 const keyFileStorage = require("key-file-storage").default;
 const TOML = require("@iarna/toml");
@@ -62,7 +62,7 @@ const parseEnv = async function(options, { checkPath }) {
     if (registry.endsWith("/")) registry = registry.slice(0, -1);
     env.registry = registry;
     const hostname = url.parse(registry).hostname;
-    if (isIp(hostname)) env.namespace = hostname;
+    if (net.isIP(hostname)) env.namespace = hostname;
     else
       env.namespace = hostname
         .split(".")