yarn-check/lib/in/read-package-json.js

Check for outdated, incorrect, and unused dependencies.

'use strict';

const merge = require('merge-options');

function readPackageJson(filename) {
    let pkg;
    let error;
    try {
        pkg = require(filename);
    } catch (e) {
        if (e.code === 'MODULE_NOT_FOUND') {
            error = new Error(`A package.json was not found at ${filename}`);
        } else {
            error = new Error(`A package.json was found at ${filename}, but it is not valid.`);
        }
    }
    return merge(pkg, {devDependencies: {}, dependencies: {}, error: error});
}

module.exports = readPackageJson;