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sciNote Developers Documentation
Front-end (React.js)
Validations
Validation components
Whenever you have a pretty generic form, use the validation components on the front-end and back-end.
An example use case for how to handle this new validation can be seen on New Team page. The validators are merely a single-input-field validators, and can only get you so far. For more complex validation (e.g. whether password & password confirmation match), server-side validation should be used.
The validation is run by providing the same tag property to various elements that relate to the same "data field", as well as hooking the relevant validators to the <InputFormControl>, and voila - the validation magically works 🌈!
Also the <ValidatedSubmitButton> is automatically disabled as soon as there is any error on the form.
To call the form itself from within the hosting component, you should use the ref mechanism:
<ValidatedForm ref={(f) => { this.myForm = f; }}>
Additional validators can be added once we need them. They are basically a Javascript function that receives target (input element reference) and messageIds, and returns an array of errors (which are a JSON object which support localization). This will be better once we onboard flow onto them.
How to render server errors?
If the server returns any error (this excludes actual validation errors, mostly related to the input data being incorrect), ideally we want to display this (e.g. Oops, something went wrong! or similar) by one of 2 means:
- if it's a form, display it as a general form error feedback;
- if NOT a form, display it in a flash message (if this is the case and the error occurred in modal window, modal MUST be closed, because otherwise flash message isn't really seen by the user properly).