angular-cli - ng 构建问题：找不到插件“proposal-class-properties”

Question

当我尝试运行命令 ng build 时遇到了这个问题，我认为这个问题与 babel 相关，但我找不到任何关于这个问题的指南或解决方案，以前有人遇到过这个问题吗？
这是日志

[error] Error: [BABEL] C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\dist\AdminLTE\modules-auth-auth-module-es2015.js: Could not find plugin "proposal-class-properties". Ensure there is an entry in ./available-plugins.js for it. (While processing: "C:\\Users\\Yas-stud\\Desktop\\novo\\xtree_0\\Frond_end\\node_modules\\@babel\\preset-env\\lib\\index.js")
    at getPlugin (C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\@babel\preset-env\lib\index.js:67:11)
    at C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\@babel\preset-env\lib\index.js:258:62
    at Array.map (<anonymous>)
    at C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\@babel\preset-env\lib\index.js:258:43
    at C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\@babel\helper-plugin-utils\lib\index.js:19:12
    at C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\@babel\core\lib\config\full.js:179:14
    at Generator.next (<anonymous>)
    at Function.<anonymous> (C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\@babel\core\lib\gensync-utils\async.js:26:3)
    at Generator.next (<anonymous>)
    at step (C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\gensync\index.js:254:32)
    at evaluateAsync (C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\gensync\index.js:284:5)
    at Function.errback (C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\gensync\index.js:108:7)
    at errback (C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\@babel\core\lib\gensync-utils\async.js:70:18)
    at async (C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\gensync\index.js:183:31)
    at onFirstPause (C:\Users\Yas-stud\Desktop\novo\xtree_0\Frond_end\node_modules\gensync\index.js:209:13)
    at Generator.next (<anonymous>)

标签： angular-cling-build