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Comments on How to enable or disable a bunch of reactive form controls?

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How to enable or disable a bunch of reactive form controls?

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I want to conditionally disabled or not (enabled) a bunch of reactive form controls. However, I have noticed that neither enable or disable function has a boolean parameter to nicely conditionally disable a control (this is the solution I have seen in other frameworks to allow this, despite being quite strange to have something like disable(disabled: boolean)).

My current solution relies on dynamically invoking enable or disable function which is not the nicest solution IMO (Typescript is being used to avoid such un-ckeckable scenarios):

disableControls(disable: boolean): void {
   const functionName = disable ? "disable" : "enable";
   this.form.get("foo")[functionName]();
   // other controls come here
}

Any idea if there is an alternative solution that plays nice with TypeScript?

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General comments (2 comments)
General comments
meriton‭ wrote over 3 years ago

What do you mean with "uncheckable"? In your code, TypeScript checks that the functions exist and have the correct signature. What else do you want it to check?

Alexei‭ wrote over 3 years ago

Storing function names in string and dynamically invoking those functions is not actually a nice thing (the linter and the transpiler cannot check if these functions actually exist). That's why I am asking if by chance I have missed something and had to rely on such a solution.