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ObsiGate/frontend/excalidraw-diag3.html
bruno 8c665fb568
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fix(excalidraw): use import map to force React 18.3.1 for ALL modules including Excalidraw internals
2026-07-29 11:41:30 -04:00

90 lines
2.9 KiB
HTML

<!DOCTYPE html>
<html>
<head><meta charset="UTF-8">
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Expires" content="0"><title>Excalidraw Error Capture</title>
<style>
body { font-family:monospace; background:#1e1e1e; color:#ddd; padding:20px; }
.pass { color:#4caf50; } .fail { color:#f44336; }
pre { background:#2d2d2d; padding:10px; border-radius:4px; }
#app { margin-top:20px; border:1px dashed #555; min-height:100px; padding:10px; }
</style>
</head>
<body>
<h2>Excalidraw Error Boundary Test</h2>
<pre id="log"></pre>
<div id="app"></div>
<script type="module">
import React from "https://esm.sh/[email protected]";
import ReactDOM from "https://esm.sh/[email protected]/client";
const log = document.getElementById('log');
function add(msg, cls='') { log.innerHTML += `<span class="${cls}">${msg}</span>\n`; }
// Error boundary to catch rendering errors
class ErrorBoundary extends React.Component {
constructor(props) { super(props); this.state = { error: null }; }
static getDerivedStateFromError(error) { return { error }; }
componentDidCatch(error, info) {
add(`✗ REACT ERROR CAUGHT: ${error.message}`, 'fail');
add(` Stack: ${(error.stack||'').split('\n').slice(0,5).join('\n')}`, 'info');
}
render() {
if (this.state.error) {
return React.createElement('div', { style: {color:'red',padding:'20px'} },
`Error: ${this.state.error.message}`
);
}
return this.props.children;
}
}
add('Loading Excalidraw...');
try {
window.EXCALIDRAW_ASSET_PATH = 'https://esm.sh/@excalidraw/[email protected]/dist/prod/';
const ExcalidrawLib = await import('https://esm.sh/@excalidraw/[email protected]');
const { Excalidraw } = ExcalidrawLib;
add(`Excalidraw keys: ${Object.keys(ExcalidrawLib).slice(0,8).join(', ')}`, 'info');
add(`Excalidraw itself: ${typeof Excalidraw}`, 'info');
if (typeof Excalidraw === 'function') {
add(` .displayName: ${Excalidraw.displayName || 'none'}`, 'info');
add(` .name: ${Excalidraw.name || 'none'}`, 'info');
}
// Try rendering with error boundary
const root = ReactDOM.createRoot(document.getElementById('app'));
try {
root.render(
React.createElement(ErrorBoundary, null,
React.createElement(Excalidraw, {
theme: 'dark',
excalidrawRef: (api) => {
add('✓ excalidrawRef CALLBACK FIRED!', 'pass');
},
onChange: () => {
add(' onChange called', 'info');
},
onPointerUpdate: () => {
// noisy, skip
}
})
)
);
add('render() executed - waiting...', 'info');
} catch(e) {
add(`✗ RENDER CRASH: ${e.message}`, 'fail');
add(` ${e.stack}`, 'info');
}
} catch(e) {
add(`✗ IMPORT ERROR: ${e.message}`, 'fail');
add(` ${e.stack}`, 'info');
}
add('\nOpen browser console (F12) for more errors.', 'info');
</script>
</body>
</html>