[Form] Fixes "remove rule(field)" throw exception if field has no rules #6940
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visit `rules` on undefined `validation[field]`
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Closed Issues
#5745
Description
remove rule(field, rules)should remove all rules when argumentrulesis omitted. Butfieldmay not have any rules, and it would raise exceptions because ofvalidation[field].rules = [].There is some guard code to check if
validation[field].rulesexists, but the order is wrong apparently.Testcase
https://jsfiddle.net/whd3o60j/3/
Click "Remove All Validations", raised exception
Uncaught TypeError: Cannot set property 'rules' of undefined(in Chrome)