Casl: Doesn't Support es5 Compiler Options - Column must be greater than or equal to 0, got -21

[johnvinosh]

Describe the bug
I changed my compilerOptions to es5 to support IE11 browser and when I run ng serve following error occurs
TypeError: node_modules\@casl\angular__ivy_ngcc__\dist\es6\index.js: Column must be greater than or equal to 0, got -21

To Reproduce
Steps to reproduce the behavior:
Angular Version: 9.1.2
"@angular/animations": "~9.1.2",
"@angular/cdk": "^9.2.1",
"@angular/common": "~9.1.2",
"@angular/compiler": "~9.1.2",
"@angular/core": "~9.1.2",

Expected behavior
Build without error and also should support IE11 browser.

CASL Version

@casl/ability - 4.1.5
@casl/angular - 4.1.4

Environment:

Node Version: 12.16.1

[johnvinosh]

Kindly check it out as I am having tight timeline

[stalniy]

Looks like a duplicate of #382

[stalniy]

Unfortunately, I can't reproduce this issue but fixed sourcemaps to point to TypeScript sources instead of intermediate transformation. hopefully this fixes the issue.

Let me know if not and I'll reopen the issue.

[stalniy]

I used this app to reproduce the issue.

[johnvinosh]

Thanks for the quick fix. Working good now.