Empresas
Empleos
  • Sobre nosotros
  • Soluciones
    • Publicación de vacantes
      Publica tu vacante y recibe candidatos calificados en 48h.
    • Evaluación de candidatos
      500+ pruebas técnicas y psicológicas, más anti-fraude.
    • Headhunting
      Búsqueda ejecutiva a la medida de principio a fin.
    • Nómina + EOR
      Dispersión de nómina y EOR en más de 15 países de LATAM.
  • Precios
  • Empleos

0

325
Vistas
Disable a button when input field is empty reactjs

i have a Dynamic form component. i need to disable the submit button when the input fields are empty. however the validateResult function doesn't return false.

import cn from "classnames";
import styles from "./DynamicForm.module.sass";
import { Card } from "../Card";
import { TextInput } from "../TextInput";
import { Button } from "../Button";

type DynamicInput = StringInput | NumberInput;

interface StringInput {
  type: "text";
  name: string;
  label: string;
  value?: string;
  placeholder: string;
  min: number;
  max: number;
}

interface NumberInput {
  type: "number";
  name: string;
  label: string;
  value?: number;
  placeholder: string;
  min: number;
  max: number;
}
interface DyanamicFormResult {
  [name: string]: any;
}
interface DynamicFormProps {
  data: DynamicInput[];
  onSubmit: (result: DyanamicFormResult) => void;
}
export const inputs: DynamicInput[] = [
  {
    type: "text",
    name: "Parameter1",
    label: "Parameter1",
    placeholder: "placeholder1",
    min: 2,
    max: 17,
  },
  {
    type: "number",
    name: "Parameter2",
    label: "Parameter2",
    placeholder: "placeholder2",
    min: 4,
    max: 17,
  },
];
export const DynamicForm: React.FC<DynamicFormProps> = ({ data, onSubmit }) => {
  const [result, setResult] = React.useState<DyanamicFormResult>({});

  const onClick = () => {
    onSubmit(result);
  };

  const handleChange = (attribName: string, value: any) => {
    setResult({ ...result, [attribName]: value });
  };

  const validateResult = (res) => {
    if (inputs[res] === 0) {
      return false;
    }
    return true;
  };

  return (
    <div>
      <Card title="Header" classTitle="title-blue">
        {inputs.map((input) => (
          <TextInput
            key={input.name}
            className={cn(styles.txt, TextInput)}
            type={input.type}
            name={input.name}
            value={result[input.name] || input.value}
            label={input.label}
            placeholder={input.placeholder}
            onChange={(event: any) =>
              handleChange(input.name, event.target.value)
            }
          />
        ))}
        <Button
          className={cn(styles.btn, Button)}
          label="Submit"
          variant="button"
          small={true}
          onClick={onClick}
          disabled={!validateResult(inputs)}
        />
      </Card>
    </div>
  );
};
about 4 years ago · Juan Pablo Isaza
2 Respuestas
Responde la pregunta

0

i just write this code without run it but it should work just fix it if have a error.

import cn from "classnames";
import styles from "./DynamicForm.module.sass";
import { Card } from "../Card";
import { TextInput } from "../TextInput";
import { Button } from "../Button";

type DynamicInput = StringInput | NumberInput;

interface StringInput {
  type: "text";
  name: string;
  label: string;
  value?: string;
  placeholder: string;
  min: number;
  max: number;
}

interface NumberInput {
  type: "number";
  name: string;
  label: string;
  value?: number;
  placeholder: string;
  min: number;
  max: number;
}
interface DyanamicFormResult {
  [name: string]: any;
}
interface DynamicFormProps {
  data: DynamicInput[];
  onSubmit: (result: DyanamicFormResult) => void;
}
export const inputs: DynamicInput[] = [
  {
    type: "text",
    name: "Parameter1",
    label: "Parameter1",
    placeholder: "placeholder1",
    min: 2,
    max: 17,
  },
  {
    type: "number",
    name: "Parameter2",
    label: "Parameter2",
    placeholder: "placeholder2",
    min: 4,
    max: 17,
  },
];
export const DynamicForm: React.FC<DynamicFormProps> = ({ data, onSubmit         }) => {

  const [result, setResult] = React.useState < DyanamicFormResult > {};
  const [isDisable, setIsDisable] = React.useState < Boolean > false;
  const onClick = () => {
    onSubmit(result);
  };

  const handleChange = (attribName: string, value: any) => {
    setResult({ ...result, [attribName]: value });
  };
  useEffect(() => {
    const listOfValues = Object.values(result);
    const emptyList = listOfValues.filter((item) => item == "");
    setIsDisable(emptyList.length !== 0);
  }, [result]);

  const validateResult = (res) => {
    if (inputs[res] === 0) {
      return false;
    }
    return true;
  };

  return (
    <div>
      <Card title="Header" classTitle="title-blue">
        {inputs.map((input) => (
          <TextInput
            key={input.name}
            className={cn(styles.txt, TextInput)}
            type={input.type}
            name={input.name}
            value={result[input.name] || input.value}
            label={input.label}
            placeholder={input.placeholder}
            onChange={(event: any) =>
              handleChange(input.name, event.target.value)
            }
          />
        ))}
        <Button
          className={cn(styles.btn, Button)}
          label="Submit"
          variant="button"
          small={true}
          onClick={onClick}
          disabled={isDisable}
        />
      </Card>
    </div>
  );
};
about 4 years ago · Juan Pablo Isaza Denunciar

0

Change the validateResult function to this:

const validateResult = () : boolean => {
 if (inputs.some(input => !result[input.name])){
  return false;
 }
 return true;
};

Now you won't need to pass any argument to the function so the prop disabled will become like this:

<Button
  disabled={!validateResult()}
/>
about 4 years ago · Juan Pablo Isaza Denunciar
Responde la pregunta
Encuentra empleos remotos

¡Descubre la nueva forma de encontrar empleo!

Top de empleos
Top categorías de empleo
Empresas
Publicar vacante Precios Comercial
Legal
Términos y condiciones Política de privacidad
© 2026 PeakU Inc. All Rights Reserved.
Andres GPT
Recomiéndame algunas ofertas
Necesito ayuda