Failed Migration During Upgrade from Angular 9 to Angular 10

🐞 Bug report

Command

• new
• build
• serve
• test
• e2e
• generate
• add
• update
• lint
• extract-i18n
• run
• config
• help
• version
• doc

Is this a regression?

N/A

Description

When upgrading from Angular 9 to Angular 10, one of the automatic migrations fails.

🔬 Minimal Reproduction

$ git clone -b feature https://github.com/ebenh/ngx-mat-tel-input.git
$ npm install
$ npx @angular/cli@10 update @angular/core@10 @angular/cli@10 --force

🔥 Exception or Error

✖ Migration failed: Cannot read properties of undefined (reading 'Loose')
  See "/tmp/ng-5dsb1D/angular-errors.log" for further details.

Contents of /tmp/ng-5dsb1D/angular-errors.log

[error] TypeError: Cannot read properties of undefined (reading 'Loose')
    at readJsonFileAsAstObject (/home/eben/Repositories/foo/ngx-mat-tel-input/node_modules/@schematics/angular/migrations/update-9/utils.js:90:74)
    at Object.getWorkspace (/home/eben/Repositories/foo/ngx-mat-tel-input/node_modules/@schematics/angular/migrations/update-9/utils.js:77:21)
    at /home/eben/Repositories/foo/ngx-mat-tel-input/node_modules/@schematics/angular/migrations/update-9/schematic-options.js:15:35
    at MergeMapSubscriber.project (/tmp/angular-cli-packages-xt8UYc/node_modules/@angular-devkit/schematics/src/rules/call.js:75:24)
    at MergeMapSubscriber._tryNext (/tmp/angular-cli-packages-xt8UYc/node_modules/rxjs/internal/operators/mergeMap.js:67:27)
    at MergeMapSubscriber._next (/tmp/angular-cli-packages-xt8UYc/node_modules/rxjs/internal/operators/mergeMap.js:57:18)
    at MergeMapSubscriber.Subscriber.next (/tmp/angular-cli-packages-xt8UYc/node_modules/rxjs/internal/Subscriber.js:66:18)
    at Observable._subscribe (/tmp/angular-cli-packages-xt8UYc/node_modules/rxjs/internal/util/subscribeToArray.js:5:20)
    at Observable._trySubscribe (/tmp/angular-cli-packages-xt8UYc/node_modules/rxjs/internal/Observable.js:44:25)
    at Observable.subscribe (/tmp/angular-cli-packages-xt8UYc/node_modules/rxjs/internal/Observable.js:30:22)

🌍 Your Environment

Output of npx ng --version

     _                      _                 ____ _     ___
    / \   _ __   __ _ _   _| | __ _ _ __     / ___| |   |_ _|
   / △ \ | '_ \ / _` | | | | |/ _` | '__|   | |   | |    | |
  / ___ \| | | | (_| | |_| | | (_| | |      | |___| |___ | |
 /_/   \_\_| |_|\__, |\__,_|_|\__,_|_|       \____|_____|___|
                |___/
    

Angular CLI: 10.2.3
Node: 16.13.0
OS: linux x64

Angular: 10.2.5
... animations, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router
Ivy Workspace: Yes

Package                            Version
------------------------------------------------------------
@angular-devkit/architect          0.1002.3
@angular-devkit/build-angular      0.1002.3
@angular-devkit/build-ng-packagr   0.1002.3
@angular-devkit/core               10.2.3
@angular-devkit/schematics         10.2.3
@angular/cdk                       9.2.4
@angular/cli                       10.2.3
@angular/flex-layout               12.0.0-beta.34
@angular/material                  9.2.4
@schematics/angular                10.2.3
@schematics/update                 0.1002.3
ng-packagr                         10.1.2
rxjs                               6.5.5
typescript                         4.0.8

[Romulo-S]

Thanks! It worked on gitbash.

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