Error: Debug Failure at typeToString

时间 2019-11-09

标签 error debug failure typetostring 繁體版

原文原文链接

错误详情以下:node

ERROR in : Error: Debug Failure.
    at typeToString (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:28777:22)
    at reportRelationError (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:34714:34)
    at isRelatedTo (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:34860:21)
    at checkTypeRelatedTo (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:34697:26)
    at checkApplicableSignature (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:40608:26)
    at resolveCall (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:41011:17)
    at resolveCallExpression (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:41163:20)
    at resolveSignature (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:41398:28)
    at getResolvedSignature (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:41430:26)
    at checkCallExpression (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:41479:29)
    at checkExpressionWorker (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:42950:28)
    at checkExpression (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:42898:42)
    at checkExpressionStatement (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:44962:13)
    at checkSourceElement (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:46746:28)
    at Object.forEach (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:1506:30)
    at checkBlock (F:\work\angular\web-ide\node_modules\typescript\lib\typescript.js:44563:16)

我代码里出现这个错误的缘由是 在定义Map的时候，值为数组类型，但未给数组赋值泛型，以下：web

public renderStateMap = new Map<string, []>();

解决方案：typescript

只须要给数组添加类型便可：数组

public renderStateMap = new Map<string, any[]>();