BinCode/public/app.js
Asad 52f6af96f7 feat: add Eurda console feature with pause/play execution and improve UX
- implement pause/play execution
- add scroll synch for textarea and pre elements
- optimze css transition duration for smoother animations
2025-01-18 15:34:54 -05:00

460 lines
14 KiB
JavaScript

const { createApp } = Vue;
Prism.manual = true;
createApp({
data() {
return {
token: localStorage.getItem("token"),
showLogin: false,
showShareModal: false,
loginEmail: "",
loginPassword: "",
title: "",
html: `<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Bin Code</title>
</head>
<body>
</body>
</html>
`,
css: "",
js: "",
shareUrl: "",
currentShareId: null,
isDragging: false,
startX: null,
startWidth: null,
containerWidth: null,
editorWidth: "50%",
minWidth: 250,
maxWidth: null,
// Tab state
activeTab: "html",
tabs: [
{
id: "html",
label: "HTML",
icon: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32"><path fill="#E65100" d="m4 4 2 22 10 2 10-2 2-22Zm19.72 7H11.28l.29 3h11.86l-.802 9.335L15.99 25l-6.635-1.646L8.93 19h3.02l.19 2 3.86.77 3.84-.77.29-4H8.84L8 8h16Z"/></svg>',
language: "markup",
},
{
id: "css",
label: "CSS",
icon: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32"><path fill="#42a5f5" d="m29.18 4-3.57 18.36-.33 1.64-4.74 1.57-3.28 1.09L13.21 28 2.87 24.05 4.05 18h4.2l-.44 2.85 6.34 2.42.78-.26 6.52-2.16.17-.83.79-4.02H4.44l.74-3.76.05-.24h17.96l.78-4H6l.78-4z"/></svg>',
language: "css",
},
{
id: "js",
label: "JavaScript",
icon: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="#ffca28" d="M2 2h12v12H2zm3.153 10.027c.267.567.794 1.033 1.694 1.033 1 0 1.686-.533 1.686-1.7V7.507H7.4v3.827c0 .573-.233.72-.6.72-.387 0-.547-.267-.727-.58zm3.987-.12c.333.653 1.007 1.153 2.06 1.153 1.067 0 1.867-.553 1.867-1.573 0-.94-.54-1.36-1.5-1.773l-.28-.12c-.487-.207-.694-.347-.694-.68 0-.274.207-.487.54-.487.32 0 .534.14.727.487l.873-.58c-.366-.64-.886-.887-1.6-.887-1.006 0-1.653.64-1.653 1.487 0 .92.54 1.353 1.353 1.7l.28.12c.52.226.827.366.827.753 0 .32-.3.553-.767.553-.553 0-.873-.286-1.113-.686z"/></svg>',
language: "javascript",
},
],
extraIcons: [
{
visible: `<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="#5f6368"><path d="M480-320q75 0 127.5-52.5T660-500q0-75-52.5-127.5T480-680q-75 0-127.5 52.5T300-500q0 75 52.5 127.5T480-320Zm0-72q-45 0-76.5-31.5T372-500q0-45 31.5-76.5T480-608q45 0 76.5 31.5T588-500q0 45-31.5 76.5T480-392Zm0 192q-146 0-266-81.5T40-500q54-137 174-218.5T480-800q146 0 266 81.5T920-500q-54 137-174 218.5T480-200Zm0-300Zm0 220q113 0 207.5-59.5T832-500q-50-101-144.5-160.5T480-720q-113 0-207.5 59.5T128-500q50 101 144.5 160.5T480-280Z"/></svg>`,
},
{
hidden: `<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="#5f6368"><path d="m644-428-58-58q9-47-27-88t-93-32l-58-58q17-8 34.5-12t37.5-4q75 0 127.5 52.5T660-500q0 20-4 37.5T644-428Zm128 126-58-56q38-29 67.5-63.5T832-500q-50-101-143.5-160.5T480-720q-29 0-57 4t-55 12l-62-62q41-17 84-25.5t90-8.5q151 0 269 83.5T920-500q-23 59-60.5 109.5T772-302Zm20 246L624-222q-35 11-70.5 16.5T480-200q-151 0-269-83.5T40-500q21-53 53-98.5t73-81.5L56-792l56-56 736 736-56 56ZM222-624q-29 26-53 57t-41 67q50 101 143.5 160.5T480-280q20 0 39-2.5t39-5.5l-36-38q-11 3-21 4.5t-21 1.5q-75 0-127.5-52.5T300-500q0-11 1.5-21t4.5-21l-84-82Zm319 93Zm-151 75Z"/></svg>`,
},
{
console: `
<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="#5f6368"><path d="M160-160q-33 0-56.5-23.5T80-240v-480q0-33 23.5-56.5T160-800h640q33 0 56.5 23.5T880-720v480q0 33-23.5 56.5T800-160H160Zm0-80h640v-400H160v400Zm140-40-56-56 103-104-104-104 57-56 160 160-160 160Zm180 0v-80h240v80H480Z"/></svg>`
}
],
highlightedCode: {
html: "",
css: "",
js: "",
},
showEditor: true,
showPreview: true,
isExecutionPaused: false,
updateTimer: null,
showConsole: true,
playIcon: `<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path fill="currentColor" d="M320-200v-560l440 280-440 280Zm80-280Zm0 134 210-134-210-134v268Z"/></svg>`,
pauseIcon: `<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path fill="currentColor" d="M520-200v-560h240v560H520Zm-320 0v-560h240v560H200Zm400-80h80v-400h-80v400Zm-320 0h80v-400h-80v400Zm320-400Zm-320 0Z"/></svg>`,
};
},
computed: {
displayCode() {
return {
html: this.highlightedCode.html || this.html,
css: this.highlightedCode.css || this.css,
js: this.highlightedCode.js || this.js,
};
},
currentCode: {
get() {
return this[this.activeTab];
},
set(value) {
this[this.activeTab] = value;
this.highlightCode(value, this.activeTab);
},
},
previewWidth() {
if (
typeof this.editorWidth === "string" &&
this.editorWidth.endsWith("%")
) {
return 100 - parseInt(this.editorWidth) + "%";
}
return `calc(100% - ${this.editorWidth}px)`;
},
currentLanguage() {
const tab = this.tabs.find((t) => t.id === this.activeTab);
return tab ? tab.language : "markup";
},
},
watch: {
html: {
handler() {
this.schedulePreviewUpdate();
},
},
css: {
handler() {
this.schedulePreviewUpdate();
},
},
js: {
handler() {
this.schedulePreviewUpdate();
},
},
},
created() {
this.updatePreviewDebounced = this.debounce(this.updatePreview, 50);
const urlParams = new URLSearchParams(window.location.search);
const shareId = urlParams.get("share");
if (shareId) {
this.loadSharedSnippet(shareId);
}
},
mounted() {
this.initializeLayout();
document.addEventListener("keydown", this.handleKeyboardShortcuts);
// initialize syntax highlighting
this.highlightCode(this.html, "html");
this.highlightCode(this.css, "css");
this.highlightCode(this.js, "js");
// ensure iframe isloaded before updating the preview
const preview = document.getElementById("preview-frame");
if (preview) {
preview.onload = () => {
this.updatePreview();
};
}
},
methods: {
handleScroll(event) {
const textarea = event.target;
const pre = textarea.nextElementSibling;
if (pre) {
pre.scrollTop = textarea.scrollTop;
pre.scrollLeft = textarea.scrollLeft
}
},
toggleConsole() {
this.showConsole = !this.showConsole;
this.updatePreview();
},
schedulePreviewUpdate() {
if (this.updateTimer) {
clearTimeout(this.updateTimer);
}
if (!this.isExecutionPaused) {
this.updateTimer = setTimeout(() => {
this.updatePreview();
}, 500);
}
},
toggleExecution() {
this.isExecutionPaused = !this.isExecutionPaused;
if (!this.isExecutionPaused) {
// resume execution
this.updatePreview();
}
},
toggleEditor() {
this.showEditor = !this.showEditor;
},
togglePreview() {
this.showPreview = !this.showPreview;
if (!this.showPreview) {
this.editorWidth = "100%";
} else {
this.editorWidth = "50%";
}
},
highlightCode(code, tab) {
const languageMap = {
html: "markup",
css: "css",
js: "javascript",
};
const language = languageMap[tab];
if (!language) return;
// run highlighting in a requestAnimationFrame to avoid blocking the main thread
requestAnimationFrame(() => {
try {
this.highlightedCode[tab] = Prism.highlight(
code || "",
Prism.languages[language],
language
);
} catch (error) {
console.error("Highlighting error:", error);
this.highlightedCode[tab] = code || "";
}
});
},
handleKeydown(event) {
if (event.key === "Tab") {
event.preventDefault();
const textarea = event.target;
const start = textarea.selectionStart;
const end = textarea.selectionEnd;
const spaces = " ";
const value = this.currentCode;
const beforeCursor = value.substring(0, start);
const afterCursor = value.substring(end);
if (event.shiftKey) {
// TODO: Shift + Tab undo 2 space
} else {
// Handle Tab (indent)
this.currentCode = beforeCursor + spaces + afterCursor;
this.$nextTick(() => {
textarea.selectionStart = textarea.selectionEnd =
start + spaces.length;
});
}
}
},
handleInput(event) {
const value = event.target.value;
this[this.activeTab] = value;
this.highlightCode(value, this.activeTab);
},
debounce(fn, delay) {
let timeoutId;
return function (...args) {
clearTimeout(timeoutId);
timeoutId = setTimeout(() => fn.apply(this, args), delay);
};
},
handleKeyboardShortcuts(e) {
// handle Ctrl/Cmd + number for tab switching
if ((e.ctrlKey || e.metaKey) && !e.shiftKey && !e.altKey) {
const num = parseInt(e.key);
if (num >= 1 && num <= this.tabs.length) {
this.activeTab = this.tabs[num - 1].id;
e.preventDefault();
}
}
// handle Ctrl/Cmd + S for save
if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === "s") {
e.preventDefault();
this.saveSnippet();
}
},
initializeLayout() {
const container = document.querySelector(".editor-container");
this.containerWidth = container.offsetWidth;
this.maxWidth = this.containerWidth - this.minWidth;
this.updateLayout();
},
updateLayout() {
const editorGroup = document.querySelector(".editor-group");
const preview = document.querySelector(".preview");
if (editorGroup && preview) {
editorGroup.style.width = this.editorWidth;
preview.style.width = this.previewWidth;
}
},
updatePreview() {
if (this.isExecutionPaused) return;
const preview = document.getElementById("preview-frame");
if (!preview) return;
// create a new iframe to replace the existing one
const newFrame = document.createElement("iframe");
newFrame.id = "preview-frame";
// replace the old frame with the new one
preview.parentNode.replaceChild(newFrame, preview);
// write content to the new frame
const doc = newFrame.contentDocument;
doc.open();
const content = `
<!DOCTYPE html>
<html>
<head>
<style>${this.css || ""}</style>
<!-- Eruda console for debugging -->
<script src="/libraries/eruda/eruda.min.js"></script>
</head>
<body>
${this.html || ""}
${this.showConsole ? `<script>window.eruda && eruda.init({
useShadowDom: true,
autoScale: true,
defaults: {
displaySize: 50,
transparency: 0.9,
theme: 'Monokai Pro'
}
});
eruda.show();
</script>` : ''}
<script>
${this.js || ""}
</script>
</body>
</html>`;
try {
doc.write(content);
doc.close();
} catch (error) {
console.error("Preview update error:", error);
}
},
switchTab(tabId) {
this.activeTab = tabId;
// re-highlight code when switching tabs
this.$nextTick(() => {
this.highlightCode(this[tabId], tabId);
const editor = document.querySelector(".editor-content textarea");
if (editor) editor.focus();
});
},
async login() {
try {
const response = await fetch("/api/auth/login", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
email: this.loginEmail,
password: this.loginPassword,
}),
});
if (!response.ok) throw new Error("Login failed");
const data = await response.json();
this.token = data.token;
localStorage.setItem("token", data.token);
this.showLogin = false;
} catch (error) {
alert("Login failed");
}
},
logout() {
this.token = null;
localStorage.removeItem("token");
},
async saveSnippet() {
if (!this.token) {
this.showLogin = true;
return;
}
try {
const response = await fetch("/api/snippets", {
method: "POST",
headers: {
"Content-Type": "application/json",
Authorization: `Bearer ${this.token}`,
},
body: JSON.stringify({
title: this.title || "Untitled",
html: this.html,
css: this.css,
js: this.js,
}),
});
if (!response.ok) throw new Error("Failed to save snippet");
const data = await response.json();
this.currentShareId = data.shareId;
this.shareUrl = `${window.location.origin}/?share=${data.shareId}`;
this.showShareModal = true;
} catch (error) {
alert("Failed to save snippet");
}
},
async loadSharedSnippet(shareId) {
try {
const response = await fetch(`/api/snippets/share/${shareId}`);
if (!response.ok) throw new Error("Failed to load snippet");
const data = await response.json();
this.title = data.title;
this.html = data.html;
this.css = data.css;
this.js = data.js;
this.highlightCode(this.html, "html");
this.highlightCode(this.css, "css");
this.highlightCode(this.js, "js");
this.updatePreview();
} catch (error) {
alert("Failed to load shared snippet");
}
},
async copyShareUrl() {
try {
await navigator.clipboard.writeText(this.shareUrl);
} catch (error) {
alert("Failed to copy URL");
}
},
},
}).mount("#app");