feat: Added asking whether to rewrite files (#117)

* feat: Added asking whether to rewrite files

* fix typo

* fix ci

* fix ci

* Update init.js

* add tests

* update

fix ci

fix ci

fix ci

* change inquirer to enquirer

* update symbols

.gitignore

@@ -4,3 +4,4 @@
 node_modules/
 yarn.lock
 bin/
+test_docs/

e2e/index.js

@@ -25,3 +25,14 @@ test('rejects promise due to error on passing in an unknown command', async t =>
   const {stderr} = await execa(rootCommand, ['junkcmd'], {reject: false})
   t.snapshot(stderr)
 })
+
+test('init the docs directory', async t => {
+  // If you get `./test_docs already exists.`, delete the test_docs directory manually.
+  const {stdout} = await execa(rootCommand, ['init', './test_docs'], {reject: false, timeout: 3000})
+  t.snapshot(stdout)
+})
+
+test('init the docs directory twice', async t => {
+  const {stdout} = await execa(rootCommand, ['init', './'], {reject: false, input: 'n'})
+  t.snapshot(stdout)
+})

e2e/index.js.md

@@ -4,6 +4,22 @@ The actual snapshot is saved in `index.js.snap`.
 
 Generated by [AVA](https://ava.li).
 
+## init the docs directory
+
+> Snapshot 1
+
+    `␊
+    Initialization succeeded! Please run docsify serve ./test_docs␊
+    `
+
+## init the docs directory twice
+
+> Snapshot 1
+
+    `./ already exists.␊
+    [?25l? Are you sure you want to rewrite it? (y/N) false✔ Are you sure you want to rewrite it? (y/N) false␊
+    [?25h`
+
 ## rejects promise due to error on passing in an unknown command
 
 > Snapshot 1

lib/commands/init.js

@@ -3,6 +3,7 @@
 const fs = require('fs')
 const cp = require('cp-file').sync
 const chalk = require('chalk')
+const {prompt} = require('enquirer')
 const {cwd, exists, pkg, pwd, read, resolve} = require('../util')
 
 const replace = function (file, tpl, replace) {
@@ -18,7 +19,37 @@ module.exports = function (path = '', local, theme) {
     chalk.inverse(`docsify serve ${path}`) +
     '\n'
 
-  path = cwd(path || '.')
+  const cwdPath = cwd(path || '.')
+
+  if (exists(cwdPath)) {
+    console.log(chalk.red(`${path || '.'}`) + ' already exists.')
+
+    prompt({
+      type: 'confirm',
+      name: 'rewrite',
+      symbols: {
+        separator: ''
+      },
+      message: 'Are you sure you want to rewrite it?'
+    })
+      .then(answers => {
+        if (answers.rewrite === false) {
+          return process.exit(0)
+        }
+
+        createFile(cwdPath, local, theme)
+        console.log(msg)
+      })
+      .catch(console.error)
+
+    return false
+  }
+
+  createFile(cwdPath, local, theme)
+  console.log(msg)
+}
+
+function createFile(path, local, theme) {
   const target = file => resolve(path, file)
   const readme = exists(cwd('README.md')) || pwd('template/README.md')
   let main = pwd('template/index.html')
@@ -63,6 +94,4 @@ module.exports = function (path = '', local, theme) {
       .replace(/^git\+/g, '')
     replace(target(filename), 'repo: \'\'', `repo: '${repo}'`)
   }
-
-  console.log(msg)
 }

package.json

@@ -54,6 +54,7 @@
     "cp-file": "^7.0.0",
     "docsify": "^4.10.2",
     "docsify-server-renderer": ">=4",
+    "enquirer": "^2.3.6",
     "fs-extra": "^8.1.0",
     "get-port": "^5.0.0",
     "livereload": "^0.9.1",