react-awesome-query-builder-pd/modules/components/widgets/vanilla/value/VanillaText.jsx

User-friendly query builder for React. Demo: https://ukrbublik.github.io/react-awesome-query-builder

import React from "react";

export default (props) => {
  const {value, setValue, config, readonly, placeholder, maxLength} = props;
  const onChange = e => {
    let val = e.target.value;
    if (val === "")
      val = undefined; // don't allow empty value
    setValue(val);
  };
  const textValue = value || "";
  return (
    <input
      type="text" 
      value={textValue} 
      placeholder={placeholder} 
      disabled={readonly} 
      onChange={onChange}
      maxLength={maxLength}
    />
  );
};