pi-lens/dist/clients/package-root.js

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

import * as fs from "node:fs";
import * as path from "node:path";
import { fileURLToPath } from "node:url";
const packageRootCache = new Map();
/**
 * Resolve the installed package root for the current module.
 * Walks upward from the caller until it finds the nearest package.json.
 *
 * This is the correct alternative to process.cwd() for resolving
 * pi-lens's own assets (rules, grammars, configs) when installed
 * globally — cwd is the user's project, not the extension root.
 *
 * Credit: alexx-ftw (PR #1)
 */
export function getPackageRoot(importMetaUrl) {
    const cached = packageRootCache.get(importMetaUrl);
    if (cached)
        return cached;
    let current = path.dirname(fileURLToPath(importMetaUrl));
    while (true) {
        if (fs.existsSync(path.join(current, "package.json"))) {
            packageRootCache.set(importMetaUrl, current);
            return current;
        }
        const parent = path.dirname(current);
        if (parent === current) {
            packageRootCache.set(importMetaUrl, current);
            return current;
        }
        current = parent;
    }
}
/**
 * Resolve a path relative to the installed package root.
 */
export function resolvePackagePath(importMetaUrl, ...segments) {
    return path.join(getPackageRoot(importMetaUrl), ...segments);
}