43 lines
1.6 KiB
JavaScript
43 lines
1.6 KiB
JavaScript
import { readFile, writeFile } from 'node:fs/promises'
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import path from 'node:path'
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import { createRequire } from 'node:module'
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const require = createRequire(import.meta.url)
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const scriptDir = import.meta.dirname
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const mobileRoot = path.resolve(scriptDir, '..')
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const outputPath = path.join(
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mobileRoot,
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'src',
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'components',
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'pr-sidebar',
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'mermaid-webview-engine.generated.ts'
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)
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// Why: unlike the terminal engine (esbuilt from source for old-WebView shims),
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// mermaid's prebuilt UMD bundle is embedded verbatim — it is the exact artifact
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// the diagram WebView previously fetched from a CDN, now pinned and
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// integrity-checked through the lockfile and available offline.
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async function main() {
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const packageJsonPath = require.resolve('mermaid/package.json')
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const [packageJson, bundleJs] = await Promise.all([
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readFile(packageJsonPath, 'utf8').then(JSON.parse),
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readFile(path.join(path.dirname(packageJsonPath), 'dist', 'mermaid.min.js'), 'utf8')
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])
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// A literal </script> inside the bundle would close the inline script tag it
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// is embedded in; \/ is identical to / in JS strings, regexes, and comments.
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const inlineSafeJs = bundleJs.replace(/<\/script/gi, '<\\/script')
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const source = [
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'// Generated by scripts/build-mermaid-webview-engine.mjs.',
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`// Package: mermaid@${packageJson.version} (dist/mermaid.min.js, embedded verbatim).`,
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'// Do not edit by hand; regenerate via pnpm postinstall.',
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`export const MERMAID_ENGINE_JS = ${JSON.stringify(inlineSafeJs)}`,
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''
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].join('\n')
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await writeFile(outputPath, source)
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}
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await main()
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