Issue encountered in the primeng package: While examining node_modules/primeng/components/picklist/picklist.d.ts, errors were found at line numbers 65 and 66.
I have investigated the primeng package further.
primeng/components/picklist/picklist.d.ts
line number 65
line number 66
readonly SOURCE_LIST = -1;
readonly TARGET_LIST = 1;
Error Message: Initializers are not allowed in ambient context due to the variables mentioned above.
Don't forget, PrimeNG 7.x needs Angular 7 to work properly.
It's important to match the major versions of PrimeNG and Angular, such as PrimeNG 6.x with Angular 6.x.
In my case, upgrading from Angular version 6 to Angular 7 solved all the issues I was experiencing with PrimeNG.
If you need help upgrading from angular 6 to 7, follow the instructions on the official Angular website Link
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