one/dist/esm/vite/plugins/bundledDevPlugin.mjs

One is a React framework for web, iOS, and Android apps.

import fs from "node:fs";
import path from "node:path";
import { virtualEntryId } from "./virtualEntryConstants.mjs";

const MIME = {
	png: "image/png",
	jpg: "image/jpeg",
	jpeg: "image/jpeg",
	gif: "image/gif",
	webp: "image/webp",
	avif: "image/avif",
	bmp: "image/bmp",
	ico: "image/x-icon"
};
const ASSET_EXT_RE = /\.(png|jpe?g|gif|webp|avif|bmp|ico)/;
function inlineAssetImports(code, id) {
	if (!ASSET_EXT_RE.test(code)) return null;
	const importRe = /import\s+(\w+)\s+from\s*['"]([^'"?]+\.(?:png|jpe?g|gif|webp|avif|bmp|ico))['"]\s*;?/g;
	const base = id.split("?")[0];
	let result = code;
	let changed = false;
	let m;
	const edits = [];
	while (m = importRe.exec(code)) {
		const [full, name, spec] = m;
		const abs = spec.startsWith(".") ? path.resolve(path.dirname(base), spec) : null;
		if (!abs || !fs.existsSync(abs)) continue;
		const ext = path.extname(abs).slice(1).toLowerCase();
		const uri = `data:${MIME[ext] || "application/octet-stream"};base64,${fs.readFileSync(abs).toString("base64")}`;
		edits.push({
			full,
			name,
			uri
		});
	}
	for (const e of edits) {
		result = result.replace(e.full, `const ${e.name} = ${JSON.stringify(e.uri)};`);
		changed = true;
	}
	return changed ? {
		code: result,
		map: null
	} : null;
}
function webBundledAssetPlugin() {
	return {
		name: "one:web-bundled-asset",
		transform: (code, id) => inlineAssetImports(code, id)
	};
}
function bundledDevPlugin(enabled) {
	return {
		name: "one:bundled-dev",
		...enabled ? { transform: {
			filter: { code: ASSET_EXT_RE },
			handler(code, id) {
				const env = this.environment;
				if (!env || env.name !== "ssr" || env.mode !== "dev") return;
				return inlineAssetImports(code, id);
			}
		} } : {},
		config(_userConfig, env) {
			if (!enabled || env.command !== "serve") return;
			return {
				experimental: { bundledDev: true },
				environments: { client: { build: { rolldownOptions: {
					input: [virtualEntryId],
					plugins: [webBundledAssetPlugin()],
					experimental: { lazyBarrel: false },
					shimMissingExports: true
				} } } }
			};
		}
	};
}

export { bundledDevPlugin };
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