Different ways to streamline the validation process for multiple input fields in a form using Vue 3

Within my application, there lies a form consisting of numerous input fields. These text input fields are displayed based on the selection made via radio buttons. I am currently validating these input fields by specifying the field name and its corresponding v-model.

The validation process is functioning correctly; however, it involves an excessive amount of if condition blocks to ensure empty validation. Despite attempting to streamline this process through mapping, I have been unsuccessful in doing so.

Below is the existing condition block:

    const inputValidation = () => {
  if (form1.value.radio3 === 'Pass') {
    validateInputField('field1', formInputs.value.txtArea1);
  }
  // Remaining if statements...

};

To tackle this issue, I created a temporary array containing objects as follows:

const tempFieldArray = [
  { radio: 'radio3', value: 'Pass', input: 'txtArea1', field: 'field1' },
  // Additional object entries...
];

Despite my efforts to map out a solution, I have not succeeded. Any suggestions on how to condense these lengthy if condition blocks into a more concise syntax?

Answer №1

I haven't verified it yet, but this solution seems promising

const validateInputs = () => {
  for (const field of fieldArray) {
    if (form.value[field.radio] === field.value) {
      checkInput(field.field, form.value[field.input]);
    }
  }
}

Answer №2

assuming you have access to the trigger field and update tempArray to tempObject

const tempFieldProp = 
    { 
      field1 : {radio: 'radio3', value: 'Pass', input: 'txtArea1' }, 
      field2 : {radio: 'radio4', value: 'Pass', input: 'txtArea2' }, 
      field3 : {radio: 'radio4', value: 'fail', input: 'txtArea6' }, 
      field4 : {radio: 'radio5', value: 'fail', input: 'txtArea3' }, 
      field5 : {radio: 'radio6', value: 'Pass', input: 'txtArea4' }, 
      field6 : {radio: 'radio6', value: 'fail', input: 'txtArea5' }, 
      field7 : {radio: 'radio7', value: 'fail', input: 'txtArea7' }, 
      field8 : {radio: 'radio8', value: 'fail', input: 'txtArea8' }, 
      field9 : {radio: 'radio9', value: 'fail', input: 'txtArea9' }
    }
  

    const inputValidation = (field) => {
        let props = tempFieldProp[field]
        return formInputs.value[props.radio] == props.value ? ()=> validateInputField(field, formInputs.value[props.input]) : ()=>{}
    }()

execute the function and apply it

if you cannot access the trigger field

const tempFieldArray = [
  { radio: 'radio3', value: 'Pass', input: 'txtArea1', field: 'field1' },
  { radio: 'radio4', value: 'Pass', input: 'txtArea2', field: 'field2' },
  { radio: 'radio4', value: 'fail', input: 'txtArea6', field: 'field3' },
  { radio: 'radio5', value: 'fail', input: 'txtArea3', field: 'field4' },
  { radio: 'radio6', value: 'Pass', input: 'txtArea4', field: 'field5' },
  { radio: 'radio6', value: 'fail', input: 'txtArea5', field: 'field6' },
  { radio: 'radio7', value: 'fail', input: 'txtArea7', field: 'field7' },
  { radio: 'radio8', value: 'fail', input: 'txtArea8', field: 'field8' },
  { radio: 'radio9', value: 'fail', input: 'txtArea9', field: 'field9' },
];

tempFieldArray.map((field) => 
 formInputs.value[field.radio] === field.value ? 
       validateInputField(field.field , formInputs.value[field.input]) : else-function
)

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