Docs Query MCP

import { spawnSync } from "node:child_process"; type TransformersModule = typeof import("@xenova/transformers"); let transformersPromise: Promise<TransformersModule> | undefined; let sharpCheckPromise: Promise<void> | undefined; export async function loadTransformersModule(): Promise<TransformersModule> { if (!transformersPromise) { transformersPromise = ensureSharpReady().then(async () => { const module = await import("@xenova/transformers"); module.env.allowLocalModels = true; return module; }); } return transformersPromise; } async function ensureSharpReady(): Promise<void> { if (!sharpCheckPromise) { sharpCheckPromise = (async () => { if (await canLoadSharp()) { return; } attemptSharpRebuild(); if (!(await canLoadSharp())) { throw new Error( "sharp native bindings missing. Re-run with `pnpx --allow-build=sharp @jaxsonwang/docs-mcp …` or install docs-mcp locally with build scripts enabled." ); } })(); } return sharpCheckPromise; } async function canLoadSharp(): Promise<boolean> { try { await import("sharp"); return true; } catch (error) { if (error instanceof Error && error.message.includes("sharp")) { return false; } throw error; } } function attemptSharpRebuild(): void { const commands: Array<{ command: string; args: string[] }> = [ { command: "pnpm", args: ["rebuild", "sharp"] }, { command: "npm", args: ["rebuild", "sharp"] }, ]; for (const { command, args } of commands) { if (runCommand(command, args)) { return; } } } function runCommand(command: string, args: string[]): boolean { try { const result = spawnSync(command, args, { stdio: "inherit" }); return result.status === 0; } catch (error) { const err = error as NodeJS.ErrnoException; if (err.code === "ENOENT") { return false; } throw error; } }