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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| import { useState } from 'react'; | ||
| import PostPreview from "../components/PostPreview"; | ||
| import Switch from "react-switch"; | ||
| import toast from "react-hot-toast"; | ||
|
|
||
| type Props = { | ||
| codeSnippet: string; | ||
| jsCodeSnippet: string; | ||
| setCodeSnippet: (codeSnippet: string) => void; | ||
| setJsCodeSnippet: (jsCodeSnippet: string) => void; | ||
| }; | ||
|
|
||
| function CodeEditorAndPreview({ | ||
| codeSnippet, | ||
| jsCodeSnippet, | ||
| setCodeSnippet, | ||
| setJsCodeSnippet | ||
| }: Props) { | ||
| const [isPreviewMode, setIsPreviewMode] = useState(false); | ||
|
|
||
| const handleToggle = () => { | ||
| setIsPreviewMode(!isPreviewMode); | ||
| }; | ||
|
|
||
| const handleTextAreaClick = () => { | ||
| if (isPreviewMode) { | ||
| toast('Please disable preview mode to edit the code snippet', { | ||
| icon: '🚫', | ||
| }); | ||
| } | ||
| }; | ||
|
|
||
|
|
||
| return ( | ||
| <div> | ||
| <div> | ||
| <label htmlFor="codeSnippet" className="block text-gray-700 text-sm font-semibold"> | ||
| HTML | ||
| </label> | ||
| <textarea | ||
| id="codeSnippet" | ||
| value={codeSnippet} | ||
| onChange={(e) => setCodeSnippet(e.target.value)} | ||
| className="mt-1 shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline" | ||
| readOnly={isPreviewMode} | ||
| onClick={handleTextAreaClick} | ||
| rows={5} | ||
| ></textarea> | ||
| </div> | ||
| <div> | ||
| <label htmlFor="jsCodeSnippet" className="block text-gray-700 text-sm font-semibold"> | ||
| Javascript | ||
| </label> | ||
| <textarea | ||
| id="jsCodeSnippet" | ||
| value={jsCodeSnippet} | ||
| onChange={(e) => setJsCodeSnippet(e.target.value)} | ||
| className="mt-1 shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline" | ||
| readOnly={isPreviewMode} | ||
| onClick={handleTextAreaClick} | ||
| rows={4} | ||
| ></textarea> | ||
| </div> | ||
| <div className="flex items-center mt-2 mb-2"> | ||
| <label className="flex items-center"> | ||
| <Switch | ||
| onChange={handleToggle} | ||
| checked={isPreviewMode} | ||
| offColor="#888" | ||
| onColor="#080" | ||
| uncheckedIcon={false} | ||
| checkedIcon={false} | ||
| disabled={codeSnippet == ""} | ||
| height={16} | ||
| width={32} | ||
| className="mr-2" | ||
| /> | ||
| <span className="text-gray-700 text-sm font-semibold"> | ||
| {isPreviewMode ? 'Edit Code' : 'Preview Component'} | ||
| </span> | ||
| </label> | ||
| </div> | ||
| {isPreviewMode ? ( | ||
| <PostPreview | ||
| jsCodeSnippet={jsCodeSnippet} | ||
| codeSnippet={codeSnippet} | ||
| /> | ||
| ) : null} | ||
|
|
||
| </div> | ||
| ); | ||
|
|
||
| } | ||
|
|
||
| export default CodeEditorAndPreview; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| import { useEffect, useRef, useState } from "react"; | ||
| import DOMPurify from "dompurify" | ||
|
|
||
| function PostPreview({ | ||
| codeSnippet, | ||
| jsCodeSnippet, | ||
| }: { | ||
| codeSnippet: string; | ||
| jsCodeSnippet: string; | ||
| }) { | ||
| const ref = useRef<HTMLIFrameElement>(null); | ||
| const [height, setHeight] = useState("100px"); | ||
|
|
||
| useEffect(() => { | ||
| const handleResize = (event: MessageEvent) => { | ||
| if (event.data.type === "setHeight") { | ||
| setHeight(event.data.height + "px"); | ||
| } | ||
| }; | ||
|
|
||
| window.addEventListener("message", handleResize); | ||
| return () => { | ||
| window.removeEventListener("message", handleResize); | ||
| }; | ||
| }, []); | ||
|
|
||
| DOMPurify.addHook("uponSanitizeElement", (node, data) => { | ||
| if (data.tagName === "img" || data.tagName === "div") { | ||
| const src = node.getAttribute("src"); | ||
| const style = node.getAttribute("style"); | ||
| if (src && src.startsWith("http")) { | ||
| node.setAttribute("src", src); | ||
| } | ||
| if (style && style.includes("url(")) { | ||
| node.setAttribute("style", style); | ||
| } | ||
| } | ||
| }); | ||
|
|
||
| const sanitizedSnippet = DOMPurify.sanitize(codeSnippet || "", { | ||
| ADD_ATTR: ["style", "background"], | ||
| }); | ||
|
|
||
| return ( | ||
| <div className="p-4 text-[#000435] bg-white dark:text-white dark:bg-[#fff] z-0 overflow-hidden rounded border-2 border-sky-400"> | ||
| <iframe | ||
| ref={ref} | ||
| className="w-full border-0" | ||
| srcDoc={getPreviewTemplate(sanitizedSnippet, jsCodeSnippet)} | ||
| title="Preview" | ||
| sandbox="allow-scripts allow-modals" | ||
| style={{ minHeight: height, maxWidth: "100%" }} | ||
| /> | ||
| </div> | ||
| ); | ||
| } | ||
|
|
||
| function getPreviewTemplate(sanitizedSnippet: string, jsCodeSnippet: string) { | ||
| return ` | ||
| <!DOCTYPE html> | ||
| <html class='flex w-full h-full'> | ||
| <head> | ||
| <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/tailwind.min.css" rel="stylesheet"> | ||
| <script> | ||
| document.addEventListener('DOMContentLoaded', function() { | ||
| const setHeight = () => { | ||
| const height = document.body.scrollHeight; | ||
| window.parent.postMessage({ type: 'setHeight', height }, '*'); | ||
| }; | ||
| setHeight(); | ||
| const observer = new MutationObserver(setHeight); | ||
| observer.observe(document.body, { childList: true, subtree: true }); | ||
| window.addEventListener('beforeunload', () => observer.disconnect()); | ||
| }); | ||
| </script> | ||
| </head> | ||
| <body class='w-full h-full flex items-center justify-center min-w-full min-h-full'> | ||
| <div class='w-full h-full p-6'>${sanitizedSnippet}</div> | ||
| ${jsCodeSnippet ? `<script defer>${jsCodeSnippet}</script>` : ""} | ||
| </body> | ||
| </html> | ||
| `; | ||
| } | ||
|
|
||
| export default PostPreview; |
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