@@ -173,9 +173,8 @@ This comes with live reloading, so you can go into a file, change it, and see
173173the changes.
174174
175175<Callout >
176- 🐢 Software Engineering is about making changes and validating them as quickly
177- as possible. If you're spending your time <em >waiting</em > for something, ask
178- yourself, "is there a faster way?"
176+ 🐢 Software Engineering is about making changes and validating them as quickly as possible. If
177+ you're spending your time _ waiting_ for something, ask yourself, "is there a faster way?"
179178</Callout >
180179
181180## Demystifying the magic
@@ -314,9 +313,8 @@ Please delete the entire file and replace it with:
314313(For the sharp eyes, this is on line 31 of the file).
315314
316315<Callout >
317- 🐢 The <strong >div</strong > part of this isn't important. React looks{ ' ' }
318- <strong >any</strong > tag up with that id. And the specific tag isn't important
319- either.
316+ 🐢 The ** div** part of this isn't important. React looks ** any** tag up with that id. And the
317+ specific tag isn't important either.
320318</Callout >
321319
322320Save the file. Stop and restart the development server.
@@ -406,7 +404,7 @@ Clear out the file for the following:
406404<CodeFile language = " tsx" file = " App.tsx" >
407405 { `
408406function App() {
409- return <>Hello World</>
407+ return <span >Hello World</span >
410408}\n
411409export default App
412410` }
@@ -424,28 +422,25 @@ export default App
424422 ` import NameHere from './file' ` .
425423
426424<Callout >
427- 🐢 You no longer need to <strong >import React from 'react'</strong > in your
428- files with React 17.{ ' ' }
429- <a href = " https://reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html" >
430- Details here.
431- </a >
425+ 🐢 You no longer need to ` import React from 'react' ` in your files with React 17 or higher.
426+ [ Details here.] ( https://github.com/ethanmick/ethanmick.com/pull/66/files )
432427</Callout >
433428
434429And that's the file! You can trim it down some more with ES 6 syntax:
435430
436431<CodeFile language = " tsx" file = " App.tsx" >
437432 { `
438- export default () => <>Hello World</>
433+ export default () => <span >Hello World</span >
439434` }
440435</CodeFile >
441436
442437This is as small and simple as it can get. It exports a default function that
443438has ** no** name. That function is a component, and it returns the JSX element of
444- ` <>Hello World</> ` .
439+ ` <span >Hello World</span > ` .
445440
446441A React component needs to return JSX element, it can't return just a regular
447442string. This is why you can't return the literal ` 'Hello World ` . You need to
448- wrap it with the ` <> ... </> ` .
443+ wrap it with the a tag, ` span ` in this instance .
449444
450445When you trim this down, it will look like this:
451446
@@ -458,9 +453,9 @@ When you trim this down, it will look like this:
458453(Not very exciting yet. But simple!)
459454
460455<Callout >
461- 🐢 Your linter may not like that single line. I know. It ** isn't** good code.
462- But it's short and simple, and you can explain every character. You will build
463- it back up and understand the steps along the way.
456+ 🐢 Your linter may not like that single line. I know. It ** isn't** good code. But it's short and
457+ simple, and you can explain every character. You will build it back up and understand the steps
458+ along the way.
464459</Callout >
465460
466461Moving on.
@@ -559,7 +554,7 @@ Go back to `App.tsx` and change the content to:
559554
560555<CodeFile language = " tsx" file = " App.tsx" >
561556 { `
562- const App = () => <>Hello World</>
557+ const App = () => <span >Hello World</span >
563558export default App
564559` }
565560</CodeFile >
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