perf(cli): simplify babel cache

packages/vant-cli/src/commands/build.ts

@@ -36,7 +36,7 @@ async function compileFile(filePath: string) {
   }
 
   if (isScript(filePath)) {
-    return compileJs(filePath, { reloadConfig: true });
+    return compileJs(filePath);
   }
 
   if (isStyle(filePath)) {
@@ -153,7 +153,7 @@ async function buildPackageEntry() {
     });
 
     setModuleEnv('esmodule');
-    await compileJs(esEntryFile, { reloadConfig: true });
+    await compileJs(esEntryFile);
 
     genPacakgeStyle({
       outputPath: styleEntryFile,
@@ -162,7 +162,7 @@ async function buildPackageEntry() {
 
     setModuleEnv('commonjs');
     await copy(esEntryFile, libEntryFile);
-    await compileJs(libEntryFile, { reloadConfig: true });
+    await compileJs(libEntryFile);
     await compileStyle(styleEntryFile);
 
     stepper.success('Build Package Entry');

packages/vant-cli/src/compiler/compile-js.ts

@@ -1,49 +1,11 @@
 // @ts-ignore
-import findBabelConfig from 'find-babel-config';
-import { join } from 'path';
 import { transformFileAsync } from '@babel/core';
-import { removeSync, outputFileSync, existsSync } from 'fs-extra';
+import { removeSync, outputFileSync } from 'fs-extra';
 import { replaceExt } from '../common';
-import { ROOT, DIST_DIR } from '../common/constant';
 
-type Options = {
-  // whether to fouce reload babel config
-  reloadConfig?: boolean;
-};
-
-const TEMP_BABEL_CONFIG = join(DIST_DIR, 'babel.config.js');
-
-function genTempBabelConfig() {
-  const { config } = findBabelConfig.sync(ROOT);
-  const content = `module.exports = function (api) {
-  api.cache.never();
-
-  return ${JSON.stringify(config)}
-};`;
-
-  outputFileSync(TEMP_BABEL_CONFIG, content);
-}
-
-function getBabelOptions(options: Options) {
-  if (options.reloadConfig) {
-    if (!existsSync(TEMP_BABEL_CONFIG)) {
-      genTempBabelConfig();
-    }
-
-    return {
-      configFile: TEMP_BABEL_CONFIG
-    };
-  }
-
-  return {};
-}
-
-export function compileJs(
-  filePath: string,
-  options: Options = {}
-): Promise<undefined> {
+export function compileJs(filePath: string): Promise<undefined> {
   return new Promise((resolve, reject) => {
-    transformFileAsync(filePath, getBabelOptions(options))
+    transformFileAsync(filePath)
       .then(result => {
         if (result) {
           const jsFilePath = replaceExt(filePath, '.js');

packages/vant-cli/src/config/babel.config.ts

@@ -1,4 +1,10 @@
-module.exports = function() {
+import { ConfigAPI } from '@babel/core';
+
+module.exports = function(api?: ConfigAPI) {
+  if (api) {
+    api.cache.never();
+  }
+
   const { BABEL_MODULE, NODE_ENV } = process.env;
   const isTest = NODE_ENV === 'test';
   const useESModules = BABEL_MODULE !== 'commonjs' && !isTest;