报错信息:

 error  in ./src/views/machControl/index.vue?vue&type=script&lang=ts&setup=true

Syntax Error: TypeError: Cannot read properties of null (reading 'content')


 @ ./src/views/machControl/index.vue?vue&type=script&lang=ts&setup=true 1:0-628 1:0-628 1:629-1246 1:629-1246
 @ ./src/views/machControl/index.vue
 @ ./src/router/routes.ts
 @ ./src/router/index.ts
 @ ./src/main.ts
 @ multi ./node_modules/.pnpm/webpack-dev-server@3.11.3_webpack@4.46.0/node_modules/webpack-dev-server/client?http://10.21.156.10:8080&sockPath=/sockjs-node (webpack)/hot/dev-server.js ./src/main.ts

No issues found.

error  in ./src/views/machControl/index.vue?vue&type=script&lang=ts&setup=true

Syntax Error: TypeError: Cannot read properties of null (reading 'content')


 @ ./src/views/machControl/index.vue?vue&type=script&lang=ts&setup=true 1:0-628 1:0-628 1:629-1246 1:629-1246
 @ ./src/views/machControl/index.vue
 @ ./src/router/routes.ts
 @ ./src/router/index.ts
 @ ./src/main.ts
 @ multi ./node_modules/.pnpm/webpack-dev-server@3.11.3_webpack@4.46.0/node_modules/webpack-dev-server/client?http://10.21.156.10:8080&sockPath=/sockjs-node (webpack)/hot/dev-server.js ./src/main.ts

No issues found.


占坑待解决:

可能原因:使用了未定义的数据或对象。

问题解决:在引用组件时,因为组件语法使用vue2,在改为vue3时,未将返回的对象改为定义句式,导致类型为null,以至于报错,详情见图。

 改为如下:

 总结:此种报错为找不到类型,找不到定义的对象或数据,原因可能为未定义或定义错误。

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