React site with Sass and Mobile-first workflow

Community feedback

• 

  Mark Mitchell•1,820

  @markup-mitchellPosted about 3 years ago

  Hi @anh-vumartell,

  I started doing this challenge when I saw your questions because I couldn't remember enough react to answer confidently!

  In addition to @Nikuze's comments above, I've discovered the ValidityState() interface which I'm using in my updatePeople function:

    const updatePeople = (e) => {
      if (e.target.validity.valid) {
        setPeople(() => e.target.value);
      } else {
        setPeople(() => 1);
        e.target.value = 1;
      }
    };
  

  I'm sure there's a more elegant way of writing this, but it's what I have for now!

  I see you haven't solved the selected % styling yet - here's what I'm doing:

  function PercentButton( { percentage, isSelected, handleClick } ) {
    let className = "tip__button";
    if ( isSelected ) { className += " is-selected"; }
    else {
      className = "tip__button";
    }
    return (
      <button className={className} onClick={() => handleClick( percentage )}>{percentage}%</button>
    );
  }
  

  Again, it's not super-elegant, but it does the job.

  Marked as helpful

  0

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  Ngoc Anh Vu-Martell•125

  @anh-vumartellPosted about 3 years ago

  @markup-mitchell Hi! Thank you for your tips. I really appreciate your time and help. I'll get back to this as soon as I have time to refractor my codes. Kind of busy with two kids :D

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  Mark Mitchell•1,820

  @markup-mitchellPosted about 3 years ago

  @anh-vumartell haha, same! easier to give feedback than do my own solutions!

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  Ngoc Anh Vu-Martell•125

  @anh-vumartellPosted about 3 years ago

  @markup-mitchell : I have found this solution. However there is a glitch which I haven't figured out. So, I have an array of percentages in my App.js const percentages = [5, 10, 15, 25, 50]; I created this function to render a list of buttons. I also use useState to manage the state of a selected button as follows:

  const [isSelected, setIsSelected] = useState(true);
  

  //Function to render list of buttons
    const renderBtns = percentages.map((unit, i) => (
      <button
        type="button"
        key={i + 1}
        value={unit}
        isselected={isSelected.toString()}
        className={`btn-percent ${isSelected ? "is-selected" : ""} numbers`}
        onClick={updateSelectedPercentage}
      >
        {unit}%
      </button>
    ));
  

  By this way I can conditionally style the % button. The glitch here is when I type in bill or people the style of selected button disappear. SO that it what I should further investigate. Cheers, Anh.

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• 

  Diop Nikuze•125

  @NikuzePosted about 3 years ago

  I will try to answer sub-question number two and the third question

  sub-question number Two : To prevent a user from entering negative numbers, just check if the number entered by a user is less than or equal to zero. If it is, that number will not be entered :

  const updateBill = (e) => { if(e.target.value <= 0) { setBillInput("") } else { setBillInput(e.target.value) }}

  and add this same condition on all your update functions

  question number 3 : the reason why the field values are not cleared is because you forgot to assign the value props value={value} to your input in the InputControl component

  in the InputControl component, change your input : <input type={props.type} onChange={props.onAddInfo} />

  to this : <input type={props.type} onChange={props.onAddInfo} value={value} />

  Marked as helpful

  0

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  Ngoc Anh Vu-Martell•125

  @anh-vumartellPosted about 3 years ago

  @Nikuze Thank you very much for answering my question. You're right. I forgot to assign the value props which obviously the bug that causes the clearing function not working. Cheers, Anh.

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  Diop Nikuze•125

  @NikuzePosted about 3 years ago

  @anh-vumartell you're welcome

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