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refac: built-in chart js

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This commit is contained in:
Timothy Jaeryang Baek 2025-09-19 02:58:29 -05:00
parent 293531549c
commit 62517f01e5
1 changed files with 47 additions and 23 deletions
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70
src/lib/components/common/FullHeightIframe.svelte
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@ -47,7 +47,7 @@
iframeSrc = src as string; iframeSrc = src as string;
iframeDoc = null; iframeDoc = null;
} else { } else {
iframeDoc = await processHtmlForAlpine(src as string); iframeDoc = await processHtmlForDeps(src as string);
iframeSrc = null; iframeSrc = null;
} }
}; };
@ -74,32 +74,56 @@
'x-id' 'x-id'
]; ];
async function processHtmlForAlpine(html: string): Promise<string> { async function processHtmlForDeps(html: string): Promise<string> {
if (!allowSameOrigin) return html; if (!allowSameOrigin) return html;
const scriptTags: string[] = [];
// --- Alpine.js detection & injection ---
const hasAlpineDirectives = alpineDirectives.some((dir) => html.includes(dir)); const hasAlpineDirectives = alpineDirectives.some((dir) => html.includes(dir));
if (!hasAlpineDirectives) return html; if (hasAlpineDirectives) {
try {
try { const { default: alpineCode } = await import('alpinejs/dist/cdn.min.js?raw');
// Import Alpine and get its source code const alpineBlob = new Blob([alpineCode], { type: 'text/javascript' });
// import alpineCode from './alpine.min.js?raw'; const alpineUrl = URL.createObjectURL(alpineBlob);
const { default: alpineCode } = await import('alpinejs/dist/cdn.min.js?raw'); const alpineTag = `<script src="${alpineUrl}" defer><\/script>`;
const alpineBlob = new Blob([alpineCode], { type: 'text/javascript' }); scriptTags.push(alpineTag);
const alpineUrl = URL.createObjectURL(alpineBlob); } catch (error) {
console.error('Error processing Alpine for iframe:', error);
// Create Alpine initialization script }
const alpineTag = `<script src="${alpineUrl}" defer><\/script>`;
// Inject Alpine script at the beginning of head or body
html = html.includes('</body>')
? html.replace('</body>', alpineTag + '\n</body>')
: `<!DOCTYPE html><html><head><meta charset="utf-8"></head><body>${html}\n${alpineTag}</body></html>`;
return html;
} catch (error) {
console.error('Error processing Alpine for iframe:', error);
return html;
} }
// --- Chart.js detection & injection ---
const chartJsDirectives = ['new Chart(', 'Chart.'];
const hasChartJsDirectives = chartJsDirectives.some((dir) => html.includes(dir));
if (hasChartJsDirectives) {
try {
// import chartUrl from 'chart.js/auto?url';
const { default: Chart } = await import('chart.js/auto');
(window as any).Chart = Chart;
const chartTag = `<script>
window.Chart = parent.Chart; // Chart previously assigned on parent
<\/script>`;
scriptTags.push(chartTag);
} catch (error) {
console.error('Error processing Chart.js for iframe:', error);
}
}
// If nothing to inject, return original HTML
if (scriptTags.length === 0) return html;
const tags = scriptTags.join('\n');
// Prefer injecting into <head>, then before </body>, otherwise prepend
if (html.includes('</head>')) {
return html.replace('</head>', `${tags}\n</head>`);
}
if (html.includes('</body>')) {
return html.replace('</body>', `${tags}\n</body>`);
}
return `${tags}\n${html}`;
} }
// Try to measure same-origin content safely // Try to measure same-origin content safely