Abstracting Functions in the Material UI Blog Template to Individual Components

Created: 8/4/2025 13:44
Updated: 8/4/2025 15:07
Exported: 8/14/2025 11:41
Link: https://chatgpt.com/c/6890ab31-82dc-8001-8da0-2e34430d9881

Prompt:

How to extract this React typescript to an individual component in its own file: const StyledCardContent = styled(CardContent)({ display: 'flex', flexDirection: 'column', gap: 4, padding: 16, flexGrow: 1, '&:last-child': { paddingBottom: 16, }, });

Response:

To extract the StyledCardContent from your React TypeScript file into its own component file, follow these steps:

✅ 1. Create a new file

Let’s say you name it StyledCardContent.tsx (or .ts if you're not exporting a component, just the styled element).

✅ 2. Move the styled component to that file

// StyledCardContent.tsx
import styled from 'styled-components';
import { CardContent } from '@mui/material';

const StyledCardContent = styled(CardContent)({
  display: 'flex',
  flexDirection: 'column',
  gap: 4,
  padding: 16,
  flexGrow: 1,
  '&:last-child': {
    paddingBottom: 16,
  },
});

export default StyledCardContent;

Note: If you're using @emotion/styled (from MUI v5), change the import accordingly:

import { styled } from '@mui/material/styles';

✅ 3. Import and use it where needed

Wherever you originally had the inline styled component:

import StyledCardContent from './StyledCardContent'; // Adjust path accordingly

// Then use it like before
<StyledCardContent>
  {/* content */}
</StyledCardContent>

⚠️ Optional Improvements

If you want to co-locate styles, you can move this to a components/StyledCardContent/StyledCardContent.tsx or components/ui/StyledCardContent.tsx.
Add a StyledCardContent.test.tsx file if you're writing tests.

Let me know if you're using a different styling solution like emotion or tailwind, and I can adjust it.

Prompt:

This piece of inline React cardData[0] is a a json object. How can I extract the code to a component in its own file which accepts the json object as a parameter: <StyledCard variant="outlined" onFocus={() => handleFocus(0)} onBlur={handleBlur} tabIndex={0} className={focusedCardIndex === 0 ? 'Mui-focused' : ''} > <CardMedia component="img" alt="green iguana" image={cardData[0].img} sx={{ aspectRatio: '16 / 9', borderBottom: '1px solid', borderColor: 'divider', }} /> {cardData[0].tag} {cardData[0].title} {cardData[0].description}

Response:

To extract this card into its own reusable component that takes a cardData object as a prop, here's how to do it step by step:

✅ 1. Create a new file

Call it something like CardItem.tsx:

// CardItem.tsx
import React from 'react';
import { Typography, CardMedia } from '@mui/material';
import StyledCard from './StyledCard'; // adjust if needed
import StyledCardContent from './StyledCardContent';
import StyledTypography from './StyledTypography'; // if you have one
import Author from './Author'; // adjust path
import { CardData } from './types'; // Optional: define a type for clarity

interface CardItemProps {
  data: CardData;
  index: number;
  focusedIndex: number;
  onFocus: (index: number) => void;
  onBlur: () => void;
}

const CardItem: React.FC<CardItemProps> = ({
  data,
  index,
  focusedIndex,
  onFocus,
  onBlur,
}) => {
  return (
    <StyledCard
      variant="outlined"
      onFocus={() => onFocus(index)}
      onBlur={onBlur}
      tabIndex={0}
      className={focusedIndex === index ? 'Mui-focused' : ''}
    >
      <CardMedia
        component="img"
        alt={data.title}
        image={data.img}
        sx={{
          aspectRatio: '16 / 9',
          borderBottom: '1px solid',
          borderColor: 'divider',
        }}
      />
      <StyledCardContent>
        <Typography gutterBottom variant="caption" component="div">
          {data.tag}
        </Typography>
        <Typography gutterBottom variant="h6" component="div">
          {data.title}
        </Typography>
        <StyledTypography variant="body2" color="text.secondary" gutterBottom>
          {data.description}
        </StyledTypography>
      </StyledCardContent>
      <Author authors={data.authors} />
    </StyledCard>
  );
};

export default CardItem;

✅ 2. Create a type (optional but recommended)

If you don’t have a type already for the card object:

// types.ts
export interface CardData {
  img: string;
  tag: string;
  title: string;
  description: string;
  authors: string[]; // or a more complex type depending on your data
}

✅ 3. Use the new `CardItem` component

In your original file:

import CardItem from './CardItem'; // adjust path
import { cardData } from './data'; // wherever your cardData comes from

<CardItem
  data={cardData[0]}
  index={0}
  focusedIndex={focusedCardIndex}
  onFocus={handleFocus}
  onBlur={handleBlur}
/>

🎯 Benefits

Fully reusable
Easy to map over cardData.map((item, i) => <CardItem ... />)
Type-safe if you add CardData interface

Let me know if you'd like help with extracting multiple cards in a loop, too.

Prompt:

Convert this function to a component: function Author({ authors }: { authors: { name: string; avatar: string }[] }) { return ( <Box sx={{ display: 'flex', flexDirection: 'row', gap: 2, alignItems: 'center', justifyContent: 'space-between', padding: '16px', }} > <Box sx={{ display: 'flex', flexDirection: 'row', gap: 1, alignItems: 'center' }} > {authors.map((author, index) => ( <Avatar key={index} alt={author.name} src={author.avatar} sx={{ width: 24, height: 24 }} /> ))} {authors.map((author) => author.name).join(', ')} July 14, 2021 ); }

Response:

Here’s how you convert the Author function into a full React component file using TypeScript:

✅ 1. Create a new file

Call it something like Author.tsx:

// Author.tsx
import React from 'react';
import { Avatar, Box, Typography } from '@mui/material';
import { AvatarGroup } from '@mui/lab';

interface AuthorProps {
  authors: {
    name: string;
    avatar: string;
  }[];
}

const Author: React.FC<AuthorProps> = ({ authors }) => {
  return (
    <Box
      sx={{
        display: 'flex',
        flexDirection: 'row',
        gap: 2,
        alignItems: 'center',
        justifyContent: 'space-between',
        padding: '16px',
      }}
    >
      <Box sx={{ display: 'flex', flexDirection: 'row', gap: 1, alignItems: 'center' }}>
        <AvatarGroup max={3}>
          {authors.map((author, index) => (
            <Avatar
              key={index}
              alt={author.name}
              src={author.avatar}
              sx={{ width: 24, height: 24 }}
            />
          ))}
        </AvatarGroup>
        <Typography variant="caption">
          {authors.map((author) => author.name).join(', ')}
        </Typography>
      </Box>
      <Typography variant="caption">July 14, 2021</Typography>
    </Box>
  );
};

export default Author;

✅ 2. Use it in another component

import Author from './Author';

<Author authors={cardData[0].authors} />

🔁 Optional Enhancements

Replace the hardcoded "July 14, 2021" with a date prop if needed.
Move AuthorProps to a shared types.ts if reused elsewhere.

Let me know if you’d like that date made dynamic too.

Prompt:

How to optionally display the CardMedia component only if the string value data.img is not null

Response:

To conditionally render the <CardMedia /> component only when data.img is not null (or empty), you can simply add a logical check:

✅ Code Example

{data.img && (
  <CardMedia
    component="img"
    alt={data.title}
    image={data.img}
    sx={{
      aspectRatio: '16 / 9',
      borderBottom: '1px solid',
      borderColor: 'divider',
    }}
  />
)}

✅ Explanation

This checks if data.img is a truthy string (i.e., not null, undefined, or an empty string).
If it's truthy, the CardMedia is rendered.
If data.img is null or "", nothing is rendered.

🧠 Optional: Extra Safe Check

If you want to ensure it's a non-empty string and a valid URL, you could enhance it like this:

{typeof data.img === 'string' && data.img.trim() !== '' && (
  <CardMedia
    component="img"
    alt={data.title}
    image={data.img}
    sx={{
      aspectRatio: '16 / 9',
      borderBottom: '1px solid',
      borderColor: 'divider',
    }}
  />
)}

Let me know if you want a fallback image instead when data.img is missing.

Prompt:

So there is no React equivalent to the Vue v-if

Response:

You're right to make the comparison—React does not have a built-in directive like Vue's v-if, but it achieves the same result using JavaScript expressions within JSX.

✅ Vue `v-if` (for reference):

<CardMedia v-if="data.img" />

✅ React equivalent:

{data.img && (
  <CardMedia image={data.img} />
)}

🔍 Why?

React doesn't need a directive because JSX is just syntactic sugar for JavaScript. So instead of custom templating syntax (like v-if), React encourages inline JavaScript logic:

&& for conditional render
? : ternary for if/else
Functions or variables to conditionally return JSX

✅ More complex example (if/else):

{data.img ? (
  <CardMedia image={data.img} />
) : (
  <Typography variant="body2">No image available</Typography>
)}

🧠 Summary:

Feature	Vue	React
Conditional	`v-if`	`{ condition && <JSX /> }`
If/Else	`v-if / v-else`	Ternary `? :` in JSX
Loop	`v-for`	`.map()` in JSX

React is more flexible (since it's plain JS), but Vue is more declarative (with custom directives).

Let me know if you'd like a cheat sheet comparing Vue ↔ React syntax.

Abstracting Functions in the Material UI Blog Template to Individual Components - DAV-1000/react-material GitHub Wiki

Prompt:

Response:

✅ 1. Create a new file

✅ 2. Move the styled component to that file

✅ 3. Import and use it where needed

⚠️ Optional Improvements

Prompt:

Response:

✅ 1. Create a new file

✅ 2. Create a type (optional but recommended)

✅ 3. Use the new `CardItem` component

🎯 Benefits

Prompt:

Response:

✅ 1. Create a new file

✅ 2. Use it in another component

🔁 Optional Enhancements

Prompt:

Response:

✅ Code Example

✅ Explanation

🧠 Optional: Extra Safe Check

Prompt:

Response:

✅ Vue `v-if` (for reference):

✅ React equivalent:

🔍 Why?

✅ More complex example (if/else):

🧠 Summary:

⚠️ GitHub.com Fallback ⚠️

Abstracting Functions in the Material UI Blog Template to Individual Components - DAV-1000/react-material GitHub Wiki

Prompt:

Response:

✅ 1. Create a new file

✅ 2. Move the styled component to that file

✅ 3. Import and use it where needed

⚠️ Optional Improvements

Prompt:

Response:

✅ 1. Create a new file

✅ 2. Create a type (optional but recommended)

✅ 3. Use the new CardItem component

🎯 Benefits

Prompt:

Response:

✅ 1. Create a new file

✅ 2. Use it in another component

🔁 Optional Enhancements

Prompt:

Response:

✅ Code Example

✅ Explanation

🧠 Optional: Extra Safe Check

Prompt:

Response:

✅ Vue v-if (for reference):

✅ React equivalent:

🔍 Why?

✅ More complex example (if/else):

🧠 Summary:

⚠️ **GitHub.com Fallback** ⚠️

✅ 3. Use the new `CardItem` component

✅ Vue `v-if` (for reference):

⚠️ GitHub.com Fallback ⚠️