Migration to v13 throws exception with ng-package.js #22107
Description
🐞 Bug report
Command (mark with an x)
- new
- build
- serve
- test
- e2e
- generate
- add
- update
- lint
- extract-i18n
- run
- config
- help
- version
- doc
Is this a regression?
No
Description
Failed migration from angular v12 to angular v13 for library project using js as ng-pacakgr
🔬 Minimal Reproduction
Migrate an angular library from v12 to v13 that contain js file for ng-packagr configuration (ng-package.js) then run
ng update --force --allow-dirty @angular/cli --from 12 --migrate-only
🔥 Exception or Error
[error] Error: Failed to parse "__/ng-package.prod.js" as JSON AST Object. InvalidSymbol at location: 0.
at JSONFile.get JsonAst [as JsonAst] (__\node_modules\@angular\cli\node_modules\@schematics\angular\utility\json-file.js:39:19)
at JSONFile.get (__\node_modules\@angular\cli\node_modules\@schematics\angular\utility\json-file.js:44:34)
at JSONFile.remove (__\node_modules\@angular\cli\node_modules\@schematics\angular\utility\json-file.js:75:18)
at __\node_modules\@angular\cli\node_modules\@schematics\angular\migrations\update-13\update-libraries.js:68:22
🌍 Your Environment
_ _ ____ _ ___
/ \ _ __ __ _ _ _| | __ _ _ __ / ___| | |_ _|
/ △ \ | '_ \ / _` | | | | |/ _` | '__| | | | | | |
/ ___ \| | | | (_| | |_| | | (_| | | | |___| |___ | |
/_/ \_\_| |_|\__, |\__,_|_|\__,_|_| \____|_____|___|
|___/
Angular CLI: 13.0.1
Node: 16.10.0
Package Manager: npm 7.24.0
OS: win32 x64
Angular: 13.0.0
... animations, cdk, common, compiler, compiler-cli, core, forms
... language-service, material, platform-browser
... platform-browser-dynamic, platform-server, router
... service-worker
Package Version
---------------------------------------------------------
@angular-devkit/architect 0.1300.1
@angular-devkit/build-angular 13.0.1
@angular-devkit/core 12.0.5
@angular-devkit/schematics 12.0.5
@angular/cli 13.0.1
@nguniversal/builders 12.1.3
@nguniversal/express-engine 12.1.3
@schematics/angular 12.0.5
ng-packagr 13.0.3
rxjs 6.6.7
typescript 4.4.4