message: fix(cli): should replace css import extension
diff: // @ts-ignore
  -import { transformFileAsync } from '@babel/core';
  -import { removeSync, outputFileSync } from 'fs-extra';
  +import { transformAsync } from '@babel/core';
  +import { readFileSync, removeSync, outputFileSync } from 'fs-extra';
  import { replaceExt } from '../common';
  +import { CSS_LANG } from '../common/css';
  +
  +const IMPORT_STYLE_RE = /import\s+?(?:(?:".*?")|(?:'.*?'))[\s]*?(?:;|$|)/g;
  +
  +// "import 'a.less';" => "import 'a.css';"
  +function replaceStyleImport(code: string) {
  + return code.replace(IMPORT_STYLE_RE, str =>
  + str.replace(`.${CSS_LANG}`, '.css')
  + );
  +}
  export function compileJs(filePath: string): Promise<undefined> {
  return new Promise((resolve, reject) => {
  - transformFileAsync(filePath)
  + let code = readFileSync(filePath, 'utf-8');
  +
  + code = replaceStyleImport(code);
  +
  + transformAsync(code, { filename: filePath })
  .then(result => {
  if (result) {
  const jsFilePath = replaceExt(filePath, '.js');
  