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code/web/js/ide.js
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T2T-StandIn-Source-Commit: 43f95b7333efe73aeaebf806023f17bffea27aba
2026-10-01 00:00:00 +00:00

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JavaScript
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// IDE: Monaco (el editor de VS Code) + árbol de archivos + pestañas.
import * as code from './tools/code.js';
import { fileIcon, folderIcon } from './icons.js';
import { renderMarkdown } from './md.js';
let editor = null;
let monacoRef = null;
const tabs = []; // { path, model, dirty, preview }
let active = null;
let onDirtyChange = () => {};
const LANG = {
js: 'javascript', mjs: 'javascript', ts: 'typescript', tsx: 'typescript',
jsx: 'javascript', json: 'json', html: 'html', css: 'css', md: 'markdown',
py: 'python', rs: 'rust', go: 'go', java: 'java', c: 'c', h: 'c',
cpp: 'cpp', sh: 'shell', yml: 'yaml', yaml: 'yaml', toml: 'ini',
svg: 'xml', xml: 'xml', sql: 'sql', txt: 'plaintext',
};
const langOf = p => LANG[p.split('.').pop().toLowerCase()] || 'plaintext';
const $ = id => document.getElementById(id);
export async function initEditor() {
await new Promise(res => {
const s = document.createElement('script');
s.src = 'https://cdn.jsdelivr.net/npm/monaco-editor@0.52.2/min/vs/loader.js';
s.onload = res;
document.head.appendChild(s);
});
window.require.config({ paths: { vs: 'https://cdn.jsdelivr.net/npm/monaco-editor@0.52.2/min/vs' } });
await new Promise(res => window.require(['vs/editor/editor.main'], res));
monacoRef = window.monaco;
editor = monacoRef.editor.create($('editor'), {
theme: 'vs-dark',
automaticLayout: true,
fontSize: 13,
minimap: { enabled: false },
padding: { top: 8 },
});
editor.addCommand(monacoRef.KeyMod.CtrlCmd | monacoRef.KeyCode.KeyS, saveActive);
editor.onDidChangeModelContent(() => {
const tab = tabs.find(t => t.path === active);
if (tab && !tab.dirty) { tab.dirty = true; renderTabs(); }
});
// los cambios del agente se reflejan al instante en el editor
code.setOnFileWritten((path, content) => {
const tab = tabs.find(t => t.path === path);
if (tab && tab.model.getValue() !== content) {
tab.model.setValue(content);
tab.dirty = false;
renderTabs();
if (path === active) applyView();
}
refreshTree();
});
}
export function gotoLine(n) {
if (!editor || !n) return;
editor.revealLineInCenter(n);
editor.setPosition({ lineNumber: n, column: 1 });
editor.focus();
}
export function triggerEditor(actionId) {
editor?.getAction(actionId)?.run();
editor?.focus();
}
export function hasEditor() { return !!editor; }
export async function openFile(path) {
let tab = tabs.find(t => t.path === path);
if (!tab) {
let content;
try { content = await code.read({ path }); }
catch (e) {
// la ruta exacta no existe (típico: un enlace del chat solo mencionaba
// el NOMBRE, «config.py», y el fichero real vive en una subcarpeta) →
// si hay una única coincidencia por nombre en el proyecto, ábrela ella
// en vez de rendirte; con varias o ninguna, el error de siempre.
const base = path.split('/').pop();
const hits = await code.findByName?.(base, 2).catch(() => []) || [];
if (hits.length === 1 && hits[0] !== path) return openFile(hits[0]);
return alertBar('No pude abrir ' + path + ': ' + e.message);
}
tab = { path, model: monacoRef.editor.createModel(content, langOf(path)), dirty: false, preview: false };
tabs.push(tab);
}
active = path;
code.setCurrentFile(path);
editor.setModel(tab.model);
setEmptyState(false);
renderTabs();
await applyView();
}
// modo «Vista previa» de un tab .md/.html: en vez del código fuente en
// Monaco, muestra el markdown renderizado (mismo motor que el chat y la
// Mente) o el HTML en un iframe real.
const PREVIEWABLE = new Set(['markdown', 'html']);
// resuelve una ruta relativa (href/src) contra la carpeta del propio fichero
function resolveRelative(ownPath, rel) {
if (/^([a-z][\w+.-]*:)?\/\//i.test(rel) || rel.startsWith('data:') || rel.startsWith('#')) return null; // externa/absoluta: no tocar
const baseDir = ownPath.includes('/') ? ownPath.slice(0, ownPath.lastIndexOf('/')) : '';
const segs = (baseDir ? baseDir.split('/') : []).concat(rel.split('/'));
const out = [];
for (const s of segs) { if (!s || s === '.') continue; if (s === '..') out.pop(); else out.push(s); }
return out.join('/');
}
// un iframe con srcdoc no tiene base URL propia: <link href="style.css"> o
// <script src="app.js"> del proyecto real NUNCA se resuelven (por eso salía
// sin CSS) — se leen del proyecto de verdad y se incrustan antes de mostrarlo.
// El iframe de Vista previa va con sandbox="allow-scripts" A PROPÓSITO, SIN
// allow-same-origin (aislado de tu proyecto real — ver applyView). Pero eso
// hace que referenciar `localStorage`/`sessionStorage` LANCE una excepción
// síncrona — y como suele ser la primera línea de un script (guardar datos
// es de lo más común), el resto del fichero entero se queda sin ejecutar,
// sin aviso: los botones no hacen nada y parece que la app está rota. Se
// incrusta un shim en memoria (nunca toca almacenamiento real, se pierde al
// cerrar la vista previa) SOLO si de verdad hace falta — si el sandbox
// permitiera acceso real, no se toca nada.
const STORAGE_SHIM = `<script>(()=>{try{window.localStorage;return}catch(e){}` +
`const m=()=>{const d=new Map();return{getItem:k=>d.has(''+k)?d.get(''+k):null,` +
`setItem:(k,v)=>{d.set(''+k,''+v)},removeItem:k=>{d.delete(''+k)},clear:()=>{d.clear()},` +
`key:i=>[...d.keys()][i]??null,get length(){return d.size}}};` +
`for(const p of ['localStorage','sessionStorage'])` +
`try{Object.defineProperty(window,p,{value:m(),configurable:true})}catch(e){}})()<\/script>`;
async function inlineLocalAssets(html, ownPath) {
const doc = new DOMParser().parseFromString(html, 'text/html');
(doc.head || doc.documentElement).insertAdjacentHTML('afterbegin', STORAGE_SHIM);
for (const link of doc.querySelectorAll('link[rel~="stylesheet"][href]')) {
const path = resolveRelative(ownPath, link.getAttribute('href'));
if (!path) continue;
try {
const style = doc.createElement('style');
style.textContent = await code.read({ path });
link.replaceWith(style);
} catch { /* no se pudo leer: se deja el link (el navegador lo ignorará sin más) */ }
}
for (const script of doc.querySelectorAll('script[src]')) {
const path = resolveRelative(ownPath, script.getAttribute('src'));
if (!path) continue;
try {
const inline = doc.createElement('script');
if (script.type) inline.type = script.type;
inline.textContent = await code.read({ path });
script.replaceWith(inline);
} catch { /* deja el script tal cual */ }
}
return '<!doctype html>\n' + doc.documentElement.outerHTML;
}
async function applyView() {
const tab = tabs.find(t => t.path === active);
const lang = tab ? langOf(tab.path) : null;
const showPreview = !!(tab && tab.preview && PREVIEWABLE.has(lang));
$('editor').style.display = showPreview ? 'none' : '';
let pane = document.getElementById('md-preview-pane');
if (showPreview) {
if (!pane) {
pane = document.createElement('div');
pane.id = 'md-preview-pane';
$('editor').parentElement.appendChild(pane);
}
pane.classList.toggle('html-preview', lang === 'html');
if (lang === 'html') {
pane.replaceChildren();
const frame = document.createElement('iframe');
frame.sandbox = 'allow-scripts'; // sin allow-same-origin: aislado de tu proyecto real
frame.srcdoc = await inlineLocalAssets(tab.model.getValue(), tab.path);
pane.appendChild(frame);
} else {
pane.innerHTML = renderMarkdown(tab.model.getValue());
}
pane.style.display = '';
} else if (pane) {
pane.style.display = 'none';
}
}
async function togglePreview(path) {
// el fichero puede no tener pestaña abierta todavía (p.ej. desde el menú
// del EXPLORADOR, no el de una pestaña ya abierta) — se abre primero.
if (active !== path || !tabs.find(t => t.path === path)) await openFile(path);
const tab = tabs.find(t => t.path === path);
if (!tab) return; // openFile no pudo (fichero borrado, etc.)
tab.preview = !tab.preview;
renderTabs();
await applyView();
}
async function saveActive() {
const tab = tabs.find(t => t.path === active);
if (!tab) return;
await code.write({ path: tab.path, content: tab.model.getValue() });
tab.dirty = false;
renderTabs();
alertBar('💾 ' + tab.path + ' guardado');
}
async function closeTab(path) {
const i = tabs.findIndex(t => t.path === path);
if (i < 0) return;
tabs[i].model.dispose();
tabs.splice(i, 1);
if (active === path) {
active = tabs[i - 1]?.path || tabs[0]?.path || null;
code.setCurrentFile(active);
if (active) { editor.setModel(tabs.find(t => t.path === active).model); setEmptyState(false); }
else { editor.setModel(monacoRef.editor.createModel('', 'plaintext')); setEmptyState(true); }
}
renderTabs();
await applyView();
}
// Estado vacío: cuando no hay ningún fichero abierto, en vez de dejar el Monaco
// en blanco con un «1», mostramos un placeholder limpio.
export function setEmptyState(on) {
let el = document.getElementById('editor-empty');
if (!el) {
el = document.createElement('div');
el.id = 'editor-empty';
el.innerHTML = '<img src="img/elffuss-code.svg" alt=""><p>Abre un fichero del explorador,<br>o pídele algo a la elfa.</p>';
$('editor').parentElement.appendChild(el);
}
el.style.display = on ? 'flex' : 'none';
}
function renderTabs() {
const bar = $('tabs-bar');
bar.replaceChildren();
for (const t of tabs) {
const el = document.createElement('div');
el.className = 'tab' + (t.path === active ? ' active' : '') + (t.preview ? ' tab-preview' : '');
el.dataset.path = t.path;
const ico = document.createElement('span');
ico.className = 'tab-ico';
ico.innerHTML = fileIcon(t.path.split('/').pop());
const name = document.createElement('span');
name.className = 'tab-name';
name.textContent = t.path.split('/').pop();
name.title = t.path;
// como VS Code: punto ● si hay cambios sin guardar; × al pasar el ratón
const x = document.createElement('b');
x.className = t.dirty ? 'dirty' : '';
x.textContent = t.dirty ? '●' : '×';
x.onclick = e => { e.stopPropagation(); closeTab(t.path); };
el.append(ico, name, x);
el.onclick = () => openFile(t.path);
el.oncontextmenu = e => { e.preventDefault(); openTabMenu(e.clientX, e.clientY, t.path); };
bar.appendChild(el);
}
}
// ---------- menú contextual de las pestañas (botón derecho, estilo VS Code) ----------
function openTabMenu(x, y, path) {
document.getElementById('tab-menu')?.remove();
const menu = document.createElement('div');
menu.id = 'tab-menu';
menu.style.cssText = `position:fixed;left:${x}px;top:${y}px;z-index:200`;
const i = tabs.findIndex(t => t.path === path);
const tab = tabs[i];
const items = [];
items.push(['Cerrar', () => closeTab(path)]);
items.push(['Cerrar otras', () => { for (const t of tabs.filter(t => t.path !== path)) closeTab(t.path); }]);
const toTheRight = tabs.slice(i + 1).map(t => t.path);
if (toTheRight.length) items.push(['Cerrar las de la derecha', () => { for (const p of toTheRight) closeTab(p); }]);
items.push(['Cerrar todas', () => { for (const t of [...tabs]) closeTab(t.path); }]);
items.push(['sep']);
items.push(['Copiar ruta', () => navigator.clipboard?.writeText(path).catch(() => {})]);
if (PREVIEWABLE.has(langOf(path))) {
items.push([tab?.preview ? 'Ver código fuente' : 'Vista previa', () => togglePreview(path)]);
}
for (const item of items) {
if (item[0] === 'sep') { menu.appendChild(Object.assign(document.createElement('div'), { className: 'tm-sep' })); continue; }
const [label, fn] = item;
const b = document.createElement('button');
b.className = 'tm-item';
b.textContent = label;
b.onclick = () => { menu.remove(); fn(); };
menu.appendChild(b);
}
document.body.appendChild(menu);
const close = ev => { if (!menu.contains(ev.target)) { menu.remove(); document.removeEventListener('mousedown', close); } };
setTimeout(() => document.addEventListener('mousedown', close), 0);
}
let alertTimer;
function alertBar(msg) {
const el = $('statusbar');
el.textContent = msg;
clearTimeout(alertTimer);
alertTimer = setTimeout(() => { el.textContent = ''; }, 4000);
}
// ---------- árbol lateral ----------
const IGNORE = new Set(['node_modules', '.git', 'dist', 'build', 'target', '__pycache__', '.next', 'venv', '.venv', '.DS_Store']);
export async function refreshTree(handle = null) {
const rootHandle = handle || window.__elffussProject;
if (!rootHandle) return;
window.__elffussProject = rootHandle;
const cont = $('tree');
cont.replaceChildren(await renderDir(rootHandle, ''));
setupTreeMenu();
}
// ---------- menú contextual del árbol (botón derecho, estilo VS Code) ----------
let treeMenuWired = false;
function setupTreeMenu() {
if (treeMenuWired) return;
treeMenuWired = true;
const tree = $('tree');
tree.addEventListener('contextmenu', e => {
e.preventDefault();
const node = e.target.closest('[data-path]');
const path = node ? node.dataset.path : '';
const kind = node ? node.dataset.kind : 'directory'; // vacío = raíz
openTreeMenu(e.clientX, e.clientY, path, kind);
});
}
// resuelve el handle de un directorio por su ruta (segmentos desde la raíz)
async function dirByPath(path) {
let dir = code.handle();
for (const s of (path || '').split('/').filter(Boolean)) dir = await dir.getDirectoryHandle(s);
return dir;
}
const parentOf = p => p.includes('/') ? p.slice(0, p.lastIndexOf('/')) : '';
const baseOf = p => p.split('/').pop();
async function fsCreate(parentPath, name, isDir) {
const dir = await dirByPath(parentPath);
if (isDir) await dir.getDirectoryHandle(name, { create: true });
else { const fh = await dir.getFileHandle(name, { create: true }); const w = await fh.createWritable(); await w.close(); }
}
async function fsDelete(path, kind) {
const dir = await dirByPath(parentOf(path));
await dir.removeEntry(baseOf(path), { recursive: kind === 'directory' });
}
// copia recursiva (la File System API no tiene rename nativo)
async function fsCopy(srcDir, name, dstDir, newName) {
const src = await (srcDir.getDirectoryHandle(name).catch(() => null));
if (src) { // directorio
const nd = await dstDir.getDirectoryHandle(newName, { create: true });
for await (const e of src.values()) await fsCopy(src, e.name, nd, e.name);
} else { // fichero
const text = await (await (await srcDir.getFileHandle(name)).getFile()).text();
const fh = await dstDir.getFileHandle(newName, { create: true });
const w = await fh.createWritable(); await w.write(text); await w.close();
}
}
async function fsRename(path, kind, newName) {
const parent = await dirByPath(parentOf(path));
await fsCopy(parent, baseOf(path), parent, newName);
await parent.removeEntry(baseOf(path), { recursive: kind === 'directory' });
}
function openTreeMenu(x, y, path, kind) {
document.getElementById('tree-menu')?.remove();
const menu = document.createElement('div');
menu.id = 'tree-menu';
menu.style.cssText = `position:fixed;left:${x}px;top:${y}px;z-index:200`;
// en un fichero, el "aquí dentro" es su carpeta; en carpeta/raíz, ella misma
const container = kind === 'file' ? parentOf(path) : path;
const items = [];
items.push(['Nuevo archivo…', async () => {
const name = prompt('Nombre del nuevo archivo:'); if (!name) return;
await fsCreate(container, name.trim(), false); code.invalidateFileList?.();
await refreshTree(); openFile(container ? container + '/' + name.trim() : name.trim());
}]);
items.push(['Nueva carpeta…', async () => {
const name = prompt('Nombre de la nueva carpeta:'); if (!name) return;
await fsCreate(container, name.trim(), true); code.invalidateFileList?.(); await refreshTree();
}]);
if (path) {
if (kind === 'file') items.push(['Abrir', () => openFile(path)]);
if (kind === 'file' && PREVIEWABLE.has(langOf(path))) items.push(['Vista previa', () => togglePreview(path)]);
items.push(['Renombrar…', async () => {
const name = prompt('Nuevo nombre:', baseOf(path)); if (!name || name === baseOf(path)) return;
await fsRename(path, kind, name.trim()); code.invalidateFileList?.(); await refreshTree();
}]);
items.push(['Eliminar', async () => {
if (!confirm(`¿Eliminar «${baseOf(path)}»?`)) return;
await fsDelete(path, kind); code.invalidateFileList?.(); await refreshTree();
}, 'danger']);
}
for (const [label, fn, cls] of items) {
const b = document.createElement('button');
b.className = 'tm-item' + (cls ? ' ' + cls : '');
b.textContent = label;
b.onclick = async () => { menu.remove(); try { await fn(); } catch (err) { alert('No se pudo: ' + err.message); } };
menu.appendChild(b);
}
document.body.appendChild(menu);
const close = ev => { if (!menu.contains(ev.target)) { menu.remove(); document.removeEventListener('mousedown', close); } };
setTimeout(() => document.addEventListener('mousedown', close), 0);
}
async function renderDir(dir, prefix) {
const ul = document.createElement('ul');
const entries = [];
for await (const e of dir.values()) if (!IGNORE.has(e.name)) entries.push(e);
entries.sort((a, b) => (a.kind !== b.kind) ? (a.kind === 'directory' ? -1 : 1) : a.name.localeCompare(b.name));
for (const e of entries.slice(0, 200)) {
const li = document.createElement('li');
const p = prefix ? prefix + '/' + e.name : e.name;
if (e.kind === 'directory') {
const det = document.createElement('details');
const sum = document.createElement('summary');
sum.innerHTML = folderIcon();
sum.appendChild(document.createTextNode(e.name));
sum.dataset.path = p; sum.dataset.kind = 'directory';
det.appendChild(sum);
det.addEventListener('toggle', async () => {
if (det.open && det.children.length === 1)
det.appendChild(await renderDir(e, p));
}, { once: false });
li.appendChild(det);
} else {
const a = document.createElement('span');
a.className = 'file';
a.innerHTML = fileIcon(e.name);
a.appendChild(document.createTextNode(e.name));
a.dataset.path = p; a.dataset.kind = 'file';
a.onclick = () => openFile(p);
li.appendChild(a);
}
ul.appendChild(li);
}
return ul;
}