Utilize both a model and a boolean variable within expressionProperties in Formly configuration

I'm having trouble setting formly form fields to disabled based on model properties and a boolean variable. The code snippet I've tried doesn't seem to be working as expected.

expressionProperties: {
    'templateOptions.disabled': 'model.advancePayments && !model.deposit' || vm.acquisitionCancelledFlag
}

The code works, but the use of || vm.acquisitionCancelledFlag is not affecting the outcome as intended.

Even though vm.acquisitionCancelledFlag is true, the field remains enabled.

I also attempted:

'templateOptions.disabled': '(model.advancePayments && !model.deposit) || vm.acquisitionCancelledFlag'
javascriptangularjsangular-formly

Answer №1

After spending some time on this problem, I managed to find a solution that works. It may not be the most elegant, but it gets the job done so I wanted to share it with others who might find it useful.

expressionProperties: {
    'templateOptions.disabled': function(viewValue, modelValue, scope) {
        return (scope.model.advancePayments && !scope.model.deposit) || vm.acquisitionCancelledFlag;
    }
}

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