feat: add vitest

[xiaohuoni]

使用 vitest 执行测试。

主要修改点

resolve.sync('../preset', {
          basedir: __dirname,
          extensions: ['.ts', '.js'],
        }),

原因是 esm 中 require.resolve('./a') 需要写明文件后缀

todo

• 现有测试用例修改

Closes: #641

[xiaohuoni]

我可能还是青春期，特别的叛逆！

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -1.96 ⚠️

Comparison is base (e1565eb) 93.66% compared to head (4a0beef) 91.71%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #642      +/-   ##
==========================================
- Coverage   93.66%   91.71%   -1.96%     
==========================================
  Files          55       56       +1     
  Lines        1515     4645    +3130     
  Branches      333      651     +318     
==========================================
+ Hits         1419     4260    +2841     
- Misses         96      381     +285     
- Partials        0        4       +4     

Impacted Files	Coverage Δ
src/cli/node.ts	84.84% <100.00%> (ø)
src/prebundler/index.ts	100.00% <100.00%> (ø)
src/types.ts	100.00% <100.00%> (ø)

... and 54 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.