feat(cli): enable type checking

packages/vant-cli/package.json

@@ -73,6 +73,7 @@
     "css-loader": "^3.5.3",
     "eslint": "^6.8.0",
     "fast-glob": "^3.2.2",
+    "fork-ts-checker-webpack-plugin": "^4.1.6",
     "gh-pages": "^2.2.0",
     "hash-sum": "^2.0.0",
     "html-webpack-plugin": "4.3.0",

packages/vant-cli/src/config/webpack.base.ts

@@ -1,7 +1,11 @@
 import sass from 'sass';
 import FriendlyErrorsPlugin from '@nuxt/friendly-errors-webpack-plugin';
 import { VueLoaderPlugin } from 'vue-loader';
+import { join } from 'path';
+import { existsSync } from 'fs';
+import { consola } from '../common/logger';
 import {
+  CWD,
   CACHE_DIR,
   STYLE_EXTS,
   SCRIPT_EXTS,
@@ -28,6 +32,36 @@ const CSS_LOADERS = [
   },
 ];
 
+const plugins = [
+  new VueLoaderPlugin(),
+  new FriendlyErrorsPlugin({
+    clearConsole: false,
+    logLevel: 'WARNING',
+  }),
+];
+
+const tsconfigPath = join(CWD, 'tsconfig.json');
+console.log('tsconfigPath', existsSync(tsconfigPath));
+if (existsSync(tsconfigPath)) {
+  const ForkTsCheckerPlugin = require('fork-ts-checker-webpack-plugin');
+  plugins.push(
+    new ForkTsCheckerPlugin({
+      formatter: 'codeframe',
+      vue: { enabled: true },
+      logger: {
+        // skip info message
+        info() {},
+        warn(message: string) {
+          consola.warn(message);
+        },
+        error(message: string) {
+          consola.error(message);
+        },
+      },
+    })
+  );
+}
+
 export const baseConfig = {
   mode: 'development',
   resolve: {
@@ -83,11 +117,5 @@ export const baseConfig = {
       },
     ],
   },
-  plugins: [
+  plugins,
-    new VueLoaderPlugin(),
-    new FriendlyErrorsPlugin({
-      clearConsole: false,
-      logLevel: 'WARNING',
-    }),
-  ],
 };

packages/vant-cli/yarn.lock

@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.8.3":
+"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.5.5", "@babel/code-frame@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.8.3.tgz#33e25903d7481181534e12ec0a25f16b6fcf419e"
   integrity sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==
@@ -4946,6 +4946,19 @@ forever-agent@~0.6.1:
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
   integrity sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=
 
+fork-ts-checker-webpack-plugin@^4.1.6:
+  version "4.1.6"
+  resolved "https://registry.npm.taobao.org/fork-ts-checker-webpack-plugin/download/fork-ts-checker-webpack-plugin-4.1.6.tgz#5055c703febcf37fa06405d400c122b905167fc5"
+  integrity sha1-UFXHA/6883+gZAXUAMEiuQUWf8U=
+  dependencies:
+    "@babel/code-frame" "^7.5.5"
+    chalk "^2.4.1"
+    micromatch "^3.1.10"
+    minimatch "^3.0.4"
+    semver "^5.6.0"
+    tapable "^1.0.0"
+    worker-rpc "^0.1.0"
+
 form-data@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-3.0.0.tgz#31b7e39c85f1355b7139ee0c647cf0de7f83c682"
@@ -7582,6 +7595,11 @@ methods@~1.1.2:
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
   integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
 
+microevent.ts@~0.1.1:
+  version "0.1.1"
+  resolved "https://registry.npm.taobao.org/microevent.ts/download/microevent.ts-0.1.1.tgz#70b09b83f43df5172d0205a63025bce0f7357fa0"
+  integrity sha1-cLCbg/Q99RctAgWmMCW84Pc1f6A=
+
 micromatch@^3.1.10, micromatch@^3.1.4:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
@@ -11892,6 +11910,13 @@ worker-farm@^1.7.0:
   dependencies:
     errno "~0.1.7"
 
+worker-rpc@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.npm.taobao.org/worker-rpc/download/worker-rpc-0.1.1.tgz#cb565bd6d7071a8f16660686051e969ad32f54d5"
+  integrity sha1-y1Zb1tcHGo8WZgaGBR6WmtMvVNU=
+  dependencies:
+    microevent.ts "~0.1.1"
+
 wrap-ansi@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"

types/sku.d.ts

@@ -16,6 +16,7 @@ export type SkuTreeItemData = {
   k: string;
   v: SkuTreeItemValueData[];
   k_s: string;
+  is_multiple: never;
 };
 
 export type SkuTreeItemValueData = {