63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
'use strict';
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const assert = require('assert');
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const { getSerializableSpans } = require('../tracing/tracing-middleware');
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const renderHydrogenToString = require('../hydrogen-render/render-hydrogen-to-string');
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const sanitizeHtml = require('../lib/sanitize-html');
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const safeJson = require('../lib/safe-json');
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async function renderHydrogenVmRenderScriptToPageHtml(
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vmRenderScriptFilePath,
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vmRenderContext,
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pageOptions
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) {
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assert(vmRenderScriptFilePath);
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assert(vmRenderContext);
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assert(pageOptions);
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assert(pageOptions.title);
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assert(pageOptions.styles);
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assert(pageOptions.scripts);
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const hydrogenHtmlOutput = await renderHydrogenToString({
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vmRenderScriptFilePath,
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vmRenderContext,
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});
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const serializableSpans = getSerializableSpans();
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const serializedSpans = JSON.stringify(serializableSpans);
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// We shouldn't let some pages be indexed by search engines
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let maybeNoIndexHtml = '';
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if (!pageOptions.shouldIndex) {
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maybeNoIndexHtml = `<meta name="robots" content="noindex, nofollow" />`;
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}
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const pageHtml = `
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<!doctype html>
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<html lang="en">
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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${maybeNoIndexHtml}
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${sanitizeHtml(`<title>${pageOptions.title}</title>`)}
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${pageOptions.styles
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.map((styleUrl) => `<link href="${styleUrl}" rel="stylesheet">`)
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.join('\n')}
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</head>
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<body>
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${hydrogenHtmlOutput}
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${pageOptions.scripts
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.map((scriptUrl) => `<script type="text/javascript" src="${scriptUrl}"></script>`)
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.join('\n')}
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<script type="text/javascript">window.tracingSpansForRequest = ${safeJson(
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serializedSpans
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)};</script>
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</body>
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</html>
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`;
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return pageHtml;
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}
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module.exports = renderHydrogenVmRenderScriptToPageHtml;
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