ios调用plugin方法失败:FairJSBridge.m exceptionValue:ReferenceError: Cannot access uninitialized variable.

[guyuuan]

问题

在ios使用plugin调用dart侧方法报错,在Android可以正常调用

环境信息

提供Fair版本号

dependencies:
  fair: 2.7.0

相关截图【可选】

[Fair]:
	File:FairDartBridge.m, 
	Function:-[FairDartBridge setDartListener]_block_invoke, 
	Line:87 >>
	{"pageName":"plugin_test#0","type":"method","args":{"funcName":"_onPressed","args":null}}
[Fair]:
	File:FairJSBridge.m, 
	Function:-[FairJSBridge context]_block_invoke, 
	Line:220 >>
	exceptionValue:ReferenceError: Cannot access uninitialized variable.
[Fair]:
	File:FairDartBridge.m, 
	Function:-[FairDartBridge setDartListener]_block_invoke_2, 
	Line:92 >>
	undefined
[Fair]:
	File:FairDartBridge.m, 
	Function:-[FairDartBridge setDartListener]_block_invoke_2, 
	Line:96 >>
	undefined

[yancechen]

收到，我们排查一下～

[cuocuo]

同样的问题，请问有解决吗？ @yancechen

[yancechen]

还在排查中。

[xiangwc]

问题

在ios使用plugin调用dart侧方法报错,在Android可以正常调用

环境信息

提供Fair版本号

dependencies:
  fair: 2.7.0

相关截图【可选】

[Fair]:
	File:FairDartBridge.m, 
	Function:-[FairDartBridge setDartListener]_block_invoke, 
	Line:87 >>
	{"pageName":"plugin_test#0","type":"method","args":{"funcName":"_onPressed","args":null}}
[Fair]:
	File:FairJSBridge.m, 
	Function:-[FairJSBridge context]_block_invoke, 
	Line:220 >>
	exceptionValue:ReferenceError: Cannot access uninitialized variable.
[Fair]:
	File:FairDartBridge.m, 
	Function:-[FairDartBridge setDartListener]_block_invoke_2, 
	Line:92 >>
	undefined
[Fair]:
	File:FairDartBridge.m, 
	Function:-[FairDartBridge setDartListener]_block_invoke_2, 
	Line:96 >>
	undefined

能提供一下出错的代码吗？

[cuocuo]

问题
在ios使用plugin调用dart侧方法报错,在Android可以正常调用
环境信息
提供Fair版本号

dependencies:
  fair: 2.7.0

相关截图【可选】

[Fair]:
	File:FairDartBridge.m, 
	Function:-[FairDartBridge setDartListener]_block_invoke, 
	Line:87 >>
	{"pageName":"plugin_test#0","type":"method","args":{"funcName":"_onPressed","args":null}}
[Fair]:
	File:FairJSBridge.m, 
	Function:-[FairJSBridge context]_block_invoke, 
	Line:220 >>
	exceptionValue:ReferenceError: Cannot access uninitialized variable.
[Fair]:
	File:FairDartBridge.m, 
	Function:-[FairDartBridge setDartListener]_block_invoke_2, 
	Line:92 >>
	undefined
[Fair]:
	File:FairDartBridge.m, 
	Function:-[FairDartBridge setDartListener]_block_invoke_2, 
	Line:96 >>
	undefined

能提供一下出错的代码吗？

大概定位到问题了。fair_jsbase.js文件中有bigint类型在iOS14一下的系统上是不支持的，导致了加载js文件失败。我在iOS15系统上就可以跑通，iOS12的系统就会报错。
https://webkit.org/blog/11340/new-webkit-features-in-safari-14/
https://caniuse.com/bigint
这两个文章都有对bigint的支持有说明！
@zhiqingchen

[cuocuo]

这个可以先用其他类型替换BigInt吗，BigInt类型目前兼容性不好！ @yancechen

[LynkKid]

I am also facing the same error, please help me to solve it

Function:-[FairDartBridge setDartListener]_block_invoke,
Line:87 >>
{"pageName":"null#2","type":"method","args":{"funcName":"onBack","args":null}}
Fair:
File:FairJSBridge.m,
Function:-[FairJSBridge context]_block_invoke,
Line:220 >>
exceptionValue:TypeError: undefined is not an object (evaluating 'mClass[funcName]')
Fair:
File:FairDartBridge.m,
Function:-[FairDartBridge setDartListener]_block_invoke_2,
Line:92 >>
undefined
Fair:
File:FairDartBridge.m,
Function:-[FairDartBridge setDartListener]_block_invoke_2,
Line:96 >>
undefined