NativeScript encountered a fatal error: Uncaught ReferenceError: __UI_USE_EXTERNAL_RENDERER__ is not defined

Question

出于某种原因，当我在 mac 上构建 iOS 时出现此错误。

***** Fatal JavaScript exception - application has been terminated. ***** 
NativeScript encountered a fatal error: Uncaught ReferenceError: __UI_USE_EXTERNAL_RENDERER__ is not defined
at
(file: src/packages/core/bundle-entry-points.ts:7:0)
at ../node_modules/@nativescript/core/bundle-entry-points.js(file:///app/vendor.js:2442:30)
at __webpack_require__(file: src/webpack/bootstrap:816:0)
at fn(file: src/webpack/bootstrap:120:0)
at (file: src/main.ts:1:35)
at ./main.ts(file:///app/bundle.js:6855:30)
at __webpack_require__(file: src/webpack/bootstrap:816:0)
at checkDeferredModules(file: src/webpack/bootstrap:43:0)
at webpackJsonpCallback(file: src/webpack/bootstrap:30:0)
at (file:///app/bundle.js:2:57)
at require(:1:137)
(CoreFoundation) *** Terminating app due to uncaught exception 'NativeScript encountered a fatal error: Uncaught ReferenceError: __UI_USE_EXTERNAL_RENDERER__ is not defined
at
(file: src/packages/core/bundle-entry-points.ts:7:0)
at ../node_modules/@nativescript/core/bundle-entry-points.js(file:///app/vendor.js:2442:30)
at __webpack_require__(file: src/webpack/bootstrap:816:0)
at fn(file: src/webpack/bootstrap:120:0)
at (file: src/main.ts:1:35)
at ./main.ts(file:///app/bundle.js:6855:30)
at __webpack_require__(file: src/webpack/bootstrap:816:0)
at checkDeferredModules(file: src/webpack/bootstrap:43:0)
at webpackJsonpCallback(file: src/webpack/bootstrap:30:0)
at (file:///app/bundle.js:2:57)
at require(:1:137)
', reason: '(null)'
*** First throw call stack:
(
0   CoreFoundation                      0x00007fff20422fba __exceptionPreprocess + 242
1   libobjc.A.dylib                     0x00007fff20193ff5 objc_exception_throw + 48
2   NativeScript                        0x0000000106c2d914 _ZN3tns21NativeScriptException15OnUncaughtErrorEN2v8<…>

昨天它工作得很好，所以我很惊讶地看到一个错误。我尝试清理平台并升级到更新版本，但没有任何效果。

据我所知，一切都没有改变。

我也试过用其他分支测试它，即使在那里我也得到这个错误。

有什么建议吗？

Answer 1

可能是你的@nativescript/webpack 版本有问题，如果你迁移到 NativeScript 8.1，你应该将你的@nativescript/webpack 版本更新到 5.0.0，如 here

NativeScript encountered a fatal error: Uncaught ReferenceError: __UI_USE_EXTERNAL_RENDERER__ is not defined

NativeScript encountered a fatal error: Uncaught ReferenceError: __UI_USE_EXTERNAL_RENDERER__ is not defined

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