feat: migrate to starlight

node_modules/astro-expressive-code/components/renderer.ts

@@ -0,0 +1,37 @@
+let cachedRenderer: ReturnType<typeof createRenderer> | undefined = undefined
+
+export async function getRenderer() {
+	if (!cachedRenderer) {
+		cachedRenderer = createRenderer()
+	}
+	return await cachedRenderer
+}
+
+async function createRenderer() {
+	const { astroConfig, ecConfigFileOptions, ecIntegrationOptions = {} } = await import('virtual:astro-expressive-code/config')
+	const { createAstroRenderer } = await import('virtual:astro-expressive-code/api')
+
+	const strIntegrationOptions = JSON.stringify(ecIntegrationOptions)
+	if (strIntegrationOptions.includes('"[Function]"') || strIntegrationOptions.includes("'[Circular]'")) {
+		throw new Error(
+			`Your Astro config file contains Expressive Code options that are not serializable to JSON.
+			To use the \`<Code>\` component, please create a separate config file called \`ec.config.mjs\`
+			in your project root, move your Expressive Code options object into the config file,
+			and export it as the default export.`.replace(/\s+/g, ' ')
+		)
+	}
+
+	let mergedEcConfig = { ...ecConfigFileOptions, ...ecIntegrationOptions }
+	try {
+		const { default: preprocessEcConfig } = await import('virtual:astro-expressive-code/preprocess-config')
+		mergedEcConfig = (await preprocessEcConfig({ ecConfig: mergedEcConfig, astroConfig })) || mergedEcConfig
+	} catch (error) {
+		const msg = error instanceof Error ? error.message : (error as string)
+		throw new Error(`Failed to preprocess Expressive Code config for the Code component: ${msg}`, { cause: error })
+	}
+
+	return await createAstroRenderer({
+		astroConfig,
+		ecConfig: mergedEcConfig,
+	})
+}