从最近几天开始，我的余烬很慢，这是输出
version: 2.4.2
Livereload server on http://localhost:49152
Serving on http://localhost:4200/
Build successful - 76337ms.
Slowest Trees | Total
----------------------------------------------+---------------------
Babel | 70809ms
Slowest Trees (cumulative) | Total (avg)
----------------------------------------------+---------------------
Babel (20) | 72361ms (3618 ms)
我该如何调试和修复它。我在Mac上检查过它（SSD + 16gb Ram）
将npm更新到最新版本后，清理npm缓存，并重新安装所有节点包。这是非常快，但经过几次重建，它再次变得缓慢。
Build successful - 56809ms.
Slowest Trees | Total
----------------------------------------------+---------------------
Babel | 55422ms
Slowest Trees (cumulative) | Total (avg)
----------------------------------------------+---------------------
Babel (20) | 55580ms (2779 ms)
与此处更改的文件有关的是两个结果
file changed site/components/site/carpets/neworderform-form/template.hbs - 1822 lines in this template
Build successful - 62844ms.
Slowest Trees | Total
----------------------------------------------+---------------------
Babel | 61122ms
Slowest Trees (cumulative) | Total (avg)
----------------------------------------------+---------------------
Babel (20) | 61280ms (3064 ms)
file changed site/components/site/countries/country-form/template.hbs - 64 lines total in this template
Build successful - 1322ms.
Slowest Trees | Total
----------------------------------------------+---------------------
SourceMapConcat: Concat: App | 424ms
SourceMapConcat: Concat: App Tests | 77ms
Slowest Trees (cumulative) | Total (avg)
----------------------------------------------+---------------------
SourceMapConcat: Concat: App (1) | 424ms
Babel (20) | 199ms (9 ms)
SourceMapConcat: Concat: App Tests (1) | 77ms
现在我想我真的应该解决这个问题，否则我无法解决这个问题。
Slowest Trees | Total
----------------------------------------------+---------------------
Babel | 146179ms
Slowest Trees (cumulative) | Total (avg)
----------------------------------------------+---------------------
Babel (20) | 170889ms (8544 ms)