feat: path exists cancel generator

Author: QC-L

package.json

@@ -36,6 +36,7 @@
     "commander": "^3.0.1",
     "consolidate": "^0.15.1",
     "degit": "^2.1.4",
+    "fs-extra": "^9.0.0",
     "handlebars": "^4.4.3",
     "inquirer": "^7.0.0",
     "metalsmith": "^2.3.0",
@@ -45,6 +46,7 @@
   },
   "devDependencies": {
     "@types/async": "^3.0.2",
+    "@types/fs-extra": "^8.1.0",
     "@types/inquirer": "^6.5.0",
     "@types/jest": "^24.0.23",
     "@types/node": "^12.7.12",

src/create/render.ts

@@ -4,6 +4,7 @@ import consolidate from 'consolidate';
 import async from 'async';
 import path from 'path';
 import { Arguments } from 'yargs';
+import fs from 'fs-extra';
 
 import { checkRepoVersion } from './check-version';
 import user from './git-user';
@@ -27,16 +28,24 @@ export default async (renderObj: GeneratorValues, macros: MacrosType) => {
     description,
     projectDirectory
   } = renderObj
+  // const isExt fs.ensureDirSync(destPath)
+  let newProjectDirectory = projectDirectory
+  let newDestPath = destPath
+  const isExists = fs.pathExistsSync(destPath)
+  if (isExists) {
+    console.log(chalk.red('此项目已存在，请变更名字后重试'))
+    return
+  }
   Metalsmith(process.cwd())
   .metadata({
-    name: projectDirectory,
+    name: newProjectDirectory,
     description: description,
   })
   .source(templatePath)
-  .destination(destPath)
+  .destination(newDestPath)
   .clean(false)
   .use(askQuestions({
-    name: { default: projectDirectory, type: 'string' },
+    name: { default: newProjectDirectory, type: 'string' },
     author: { default: user(), type: 'string' },
     description: { default: description, type: 'string' },
     platform: {

yarn.lock

@@ -324,6 +324,13 @@
   dependencies:
     "@babel/types" "^7.3.0"
 
+"@types/fs-extra@^8.1.0":
+  version "8.1.0"
+  resolved "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-8.1.0.tgz#1114834b53c3914806cd03b3304b37b3bd221a4d"
+  integrity sha512-UoOfVEzAUpeSPmjm7h1uk5MH6KZma2z2O7a75onTGjnNvAvMVrPzPL/vBbT65iIGHWj6rokwfmYcmxmlSf2uwg==
+  dependencies:
+    "@types/node" "*"
+
 "@types/inquirer@^6.5.0":
   version "6.5.0"
   resolved "https://registry.npmjs.org/@types/inquirer/-/inquirer-6.5.0.tgz#b83b0bf30b88b8be7246d40e51d32fe9d10e09be"
@@ -577,6 +584,11 @@ asynckit@^0.4.0:
   resolved "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
   integrity sha1-x57Zf380y48robyXkLzDZkdLS3k=
 
+at-least-node@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.npmjs.org/at-least-node/-/at-least-node-1.0.0.tgz#602cd4b46e844ad4effc92a8011a3c46e0238dc2"
+  integrity sha512-+q/t7Ekv1EDY2l6Gda6LLiX14rU9TV20Wa3ofeQmwPFZbOMo9DXrLbOjFaaclkXKWidIaopwAObQDqwWtGUjqg==
+
 atob@^2.1.1:
   version "2.1.2"
   resolved "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
@@ -1433,6 +1445,16 @@ fragment-cache@^0.2.1:
   dependencies:
     map-cache "^0.2.2"
 
+fs-extra@^9.0.0:
+  version "9.0.0"
+  resolved "https://registry.npmjs.org/fs-extra/-/fs-extra-9.0.0.tgz#b6afc31036e247b2466dc99c29ae797d5d4580a3"
+  integrity sha512-pmEYSk3vYsG/bF651KPUXZ+hvjpgWYw/Gc7W9NFUe3ZVLczKKWIij3IKpOrQcdw4TILtibFslZ0UmR8Vvzig4g==
+  dependencies:
+    at-least-node "^1.0.0"
+    graceful-fs "^4.2.0"
+    jsonfile "^6.0.1"
+    universalify "^1.0.0"
+
 fs-extra@~0.26.5:
   version "0.26.7"
   resolved "https://registry.npmjs.org/fs-extra/-/fs-extra-0.26.7.tgz#9ae1fdd94897798edab76d0918cf42d0c3184fa9"
@@ -1543,7 +1565,7 @@ globals@^11.1.0:
   resolved "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz#ab8795338868a0babd8525758018c2a7eb95c42e"
   integrity sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==
 
-graceful-fs@^4.1.11, graceful-fs@^4.1.15:
+graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.2.0:
   version "4.2.3"
   resolved "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
   integrity sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==
@@ -2471,6 +2493,15 @@ jsonfile@^2.1.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
+jsonfile@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.npmjs.org/jsonfile/-/jsonfile-6.0.1.tgz#98966cba214378c8c84b82e085907b40bf614179"
+  integrity sha512-jR2b5v7d2vIOust+w3wtFKZIfpC2pnRmFAhAC/BuweZFQR8qZzxH1OyrQ10HmdVYiXWkYUqPVsz91cG7EL2FBg==
+  dependencies:
+    universalify "^1.0.0"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -3995,6 +4026,11 @@ union-value@^1.0.0:
     is-extendable "^0.1.1"
     set-value "^2.0.1"
 
+universalify@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.npmjs.org/universalify/-/universalify-1.0.0.tgz#b61a1da173e8435b2fe3c67d29b9adf8594bd16d"
+  integrity sha512-rb6X1W158d7pRQBg5gkR8uPaSfiids68LTJQYOtEUhoJUWBdaQHsuT/EUduxXYxcrt4r5PJ4fuHW1MHT6p0qug==
+
 unset-value@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz#8376873f7d2335179ffb1e6fc3a8ed0dfc8ab559"