sfja/karlkoder-playground
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Allow saving both as JS and HTML

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This commit is contained in:
Reimar 2025-10-10 09:44:10 +02:00
parent 4d885903b0
commit 61050f58d9
4 changed files with 124 additions and 11 deletions
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11
index.html
View File

@ -25,7 +25,16 @@
<a href="docs/index.html" target="_blank">
<button>🤓 Docs</button>
</a>
<button id="save-button">💾 Save/Export</button>
<div class="dropdown-wrapper">
<button id="save-button">💾 Save/Export</button>
<div id="save-dropdown" class="dropdown-content">
<div id="save-js" class="dropdown-option">Save JavaScript</div>
<div id="save-html" class="dropdown-option">Export as HTML</div>
</div>
</div>
<button id="run-button">▶️ Run</button>
</div>

87
index.js
View File

@ -46,6 +46,9 @@ editor.setValue(sessionStorage.getItem("code") ?? editor.getValue(), -1);
const runButton = document.querySelector("#run-button");
const saveButton = document.querySelector("#save-button");
const saveDropdown = document.querySelector("#save-dropdown");
const saveJsButton = document.querySelector("#save-js");
const saveHtmlButton = document.querySelector("#save-html");
const consoleCode = document.querySelector("#console-code");
const sessionSaveDebounce = new Debounce(1000);
@ -61,15 +64,81 @@ runButton.onclick = (ev) => {
runButton.textContent = "⚙️ Running...";
};
function downloadFile(content, mime, extension) {
const filename = prompt("Filename?");
const element = document.createElement("a");
element.href = `data:${mime};charset=utf-8,${encodeURIComponent(content)}`;
element.download = filename.endsWith(extension) ? filename : filename + extension;
element.style.display = "none";
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
}
function minifyJs(code) {
return code
.replace(/[\s\n]+/g, " ")
.replace(/;\s+/g, ";");
}
saveButton.onclick = (ev) => {
const code = editor.getValue();
const element = document.createElement("a");
element.setAttribute("href", `data:text/javascript;charset=utf-8,${encodeURIComponent(code)}`);
const filename = prompt("Filename?")
element.setAttribute("download", filename.endsWith(".js") ? filename : `${filename}.js`);
element.style.display = "none";
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
if (saveButton.classList.contains("active")) {
saveButton.classList.remove("active");
saveDropdown.style.display = "none";
} else {
saveButton.classList.add("active");
saveDropdown.style.display = "block";
}
};
saveJsButton.onclick = (ev) => {
downloadFile(editor.getValue(), "text/javascript", ".js");
};
saveHtmlButton.onclick = async (ev) => {
const js = editor.getValue().split("\n").map(line => " ".repeat(12) + line).join("\n");
let lib = await (await fetch("./lib.js")).text();
lib = minifyJs(lib);
const html = `
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="generator" content="karlkoder playground">
<title>Game</title>
<style>
body {
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
</style>
<script type="importmap">
{
"imports": {
"lib": "data:text/javascript,${encodeURIComponent(lib)}"
}
}
</script>
<script type="module">
${js}
</script>
</head>
<body>
<canvas width="480" height="360"></canvas>
</body>
</html>`;
downloadFile(html, "text/html", ".html");
};

5
lib.js
View File

@ -24,7 +24,10 @@ export function drawRect(x, y, width, height, color) {
}
export function println(msg) {
consoleCode.textContent += `${msg}\n`;
if (consoleCode)
consoleCode.textContent += `${msg}\n`;
else
console.log(msg);
}
export function startGameLoop(loopFunction) {

32
style.css
View File

@ -54,6 +54,7 @@ div#buttons {
display: flex;
flex: row;
justify-content: space-between;
align-items: flex-start;
gap: 5px;
}
@ -129,6 +130,33 @@ div#buttons > * > button {
font-size: 16px;
}
.dropdown-wrapper {
position: relative;
}
.dropdown-content {
display: none;
background-color: white;
position: absolute;
top: 100%;
left: 0;
right: 0;
border-radius: 4px;
box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
}
.dropdown-option {
padding: 5px 10px;
font-family: sans-serif;
color: #424242;
font-size: 0.8rem;
cursor: pointer;
}
.dropdown-option:hover {
background-color: #EEE;
}
button {
background-color: #4FC3F7;
border: none;
@ -139,6 +167,10 @@ button {
transition-duration: 200ms;
}
button.active {
background-color: #0288D1;
}
button:hover {
box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.2);
}