pi-lens/dist/clients/go-client.js

Real-time code feedback for pi — LSP, linters, formatters, type-checking, structural analysis & booboo

/**
 * Go Client for pi-lens
 *
 * Provides Go type checking and linting via gopls and go vet.
 *
 * Requires: gopls (go install golang.org/x/tools/gopls@latest)
 * Docs: https://pkg.go.dev/golang.org/x/tools/gopls
 */
import * as fs from "node:fs";
import * as path from "node:path";
import { safeSpawnAsync } from "./safe-spawn.js";
// --- Common install paths ---
const GO_WINDOWS_PATHS = [
    "C:\\Program Files\\Go\\bin\\go.exe",
    "C:\\Go\\bin\\go.exe",
    "go.exe", // PATH
];
const GO_UNIX_PATHS = [
    "/usr/local/go/bin/go",
    "/usr/bin/go",
    "go", // PATH
];
// --- Client ---
export class GoClient {
    goAvailable = null;
    goPath = null;
    log;
    constructor(verbose = false) {
        this.log = verbose
            ? (msg) => console.error(`[go] ${msg}`)
            : () => { };
    }
    /**
     * Find go executable path (async — probes PATH candidates off the event loop).
     */
    async findGoPathAsync() {
        if (this.goPath)
            return this.goPath;
        const paths = process.platform === "win32" ? GO_WINDOWS_PATHS : GO_UNIX_PATHS;
        for (const p of paths) {
            try {
                if (p.includes("\\") || p.includes("/")) {
                    // Absolute path - check if exists
                    if (fs.existsSync(p)) {
                        this.goPath = p;
                        return p;
                    }
                }
                else {
                    // Relative (PATH) - try running it
                    const result = await safeSpawnAsync(p, ["version"], {
                        timeout: 3000,
                    });
                    if (!result.error && result.status === 0) {
                        this.goPath = p;
                        return p;
                    }
                }
            }
            catch (err) {
                void err;
            }
        }
        return null;
    }
    /**
     * Check if Go is installed (cached)
     */
    async isGoAvailableAsync() {
        if (this.goAvailable !== null)
            return this.goAvailable;
        this.goAvailable = (await this.findGoPathAsync()) !== null;
        if (this.goAvailable) {
            this.log(`Go found: ${this.goPath}`);
        }
        return this.goAvailable;
    }
    /**
     * Check if a file is a Go file
     */
    isGoFile(filePath) {
        return path.extname(filePath).toLowerCase() === ".go";
    }
}