next/dist/esm/lib/get-package-version.js

The React Framework

import { promises as fs } from 'fs';
import findUp from 'next/dist/compiled/find-up';
import JSON5 from 'next/dist/compiled/json5';
import * as path from 'path';
let cachedDeps;
export function getDependencies({ cwd }) {
    if (cachedDeps) {
        return cachedDeps;
    }
    return cachedDeps = (async ()=>{
        const configurationPath = await findUp('package.json', {
            cwd
        });
        if (!configurationPath) {
            return {
                dependencies: {},
                devDependencies: {}
            };
        }
        const content = await fs.readFile(configurationPath, 'utf-8');
        const packageJson = JSON5.parse(content);
        const { dependencies = {}, devDependencies = {} } = packageJson || {};
        return {
            dependencies,
            devDependencies
        };
    })();
}
export async function getPackageVersion({ cwd, name }) {
    const { dependencies, devDependencies } = await getDependencies({
        cwd
    });
    if (!(dependencies[name] || devDependencies[name])) {
        return null;
    }
    const cwd2 = cwd.endsWith(path.posix.sep) || cwd.endsWith(path.win32.sep) ? cwd : `${cwd}/`;
    try {
        const targetPath = require.resolve(`${name}/package.json`, {
            paths: [
                cwd2
            ]
        });
        const targetContent = await fs.readFile(targetPath, 'utf-8');
        return JSON5.parse(targetContent).version ?? null;
    } catch  {
        return null;
    }
}

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