76 lines
2.4 KiB
TypeScript
76 lines
2.4 KiB
TypeScript
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/**
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* Patch srvx NodeResponse for Bun compatibility.
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*
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* Problem: srvx's Node adapter wraps all Response objects in NodeResponse.
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* Although NodeResponse inherits from Response via prototype chain,
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* Bun's HTTP runtime uses an internal brand check that rejects it.
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*
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* Fix: Make NodeResponse constructor return a native Response when running in Bun.
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* This is safe because Bun doesn't need srvx's Node.js stream bridging.
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*
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* Run: bun scripts/patch-srvx-bun.ts (called automatically via postinstall)
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*/
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import { readFileSync, writeFileSync, existsSync } from 'node:fs';
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import { resolve } from 'node:path';
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// Find srvx node adapter in various possible locations
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const candidates = [
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resolve(import.meta.dir, '../node_modules/srvx/dist/adapters/node.mjs'),
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...(() => {
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try {
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// Bun hoists to .bun/ directory
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const bunDir = resolve(import.meta.dir, '../node_modules/.bun');
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const dirs = require('fs')
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.readdirSync(bunDir)
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.filter((d: string) => d.startsWith('srvx@'));
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return dirs.map((d: string) =>
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resolve(bunDir, d, 'node_modules/srvx/dist/adapters/node.mjs'),
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);
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} catch {
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return [];
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}
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})(),
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];
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let patched = false;
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for (const filePath of candidates) {
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if (!existsSync(filePath)) continue;
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let code = readFileSync(filePath, 'utf-8');
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if (code.includes('__srvx_bun_patched__')) {
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console.log(`[patch-srvx-bun] Already patched: ${filePath}`);
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patched = true;
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continue;
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}
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// Replace the NodeResponse IIFE to return native Response in Bun
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const marker = 'const NodeResponse = /* @__PURE__ */ (() => {';
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const endMarker = 'return NodeResponse;\n})();';
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if (!code.includes(marker)) {
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console.warn(`[patch-srvx-bun] Could not find NodeResponse marker in ${filePath}`);
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continue;
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}
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// Insert a Bun bypass right after the class definition.
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// In Bun, replace NodeResponse with native Response constructor
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// so Bun's internal brand check passes.
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code = code.replace(
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endMarker,
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`// __srvx_bun_patched__ — Bun bypass: return native Response instead of NodeResponse
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if (typeof globalThis.Bun !== 'undefined') {
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return NativeResponse;
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}
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return NodeResponse;
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})();`,
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);
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writeFileSync(filePath, code);
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console.log(`[patch-srvx-bun] Patched: ${filePath}`);
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patched = true;
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}
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if (!patched) {
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console.warn('[patch-srvx-bun] No srvx node adapter found to patch');
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}
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