packagereference.js

var fs = require('fs');
var path = require('path');
var parseXml = require('xml2js').parseString;
var safeBufferRead = require('./safeBufferRead');

module.exports.list = function (dir) {
    const files = fs.readdirSync(dir).filter(file => file.toLowerCase().endsWith(".csproj") && fs.existsSync(file));
    if (!files.length) return null;

    const file = files[0];

    var xml = safeBufferRead(fs.readFileSync(file));

    var parsedOutput;
    parseXml(xml, function (err, result) {
        parsedOutput = result;
    });
    if (!(parsedOutput && parsedOutput.Project && parsedOutput.Project.ItemGroup)) {
        return null;
    }
    try {
        let itemGroup = parsedOutput.Project.ItemGroup;
        if (!Array.isArray(itemGroup)) {
            itemGroup = [itemGroup];
        }
        return itemGroup.filter(a => a && a.PackageReference).map(a => a.PackageReference.map(x => {
            return {
                id: x.$.Include,
                version: x.$.Version || x.Version[0],
                targetFramework: null
            }
        })).reduce((ret, cur) => ret.concat(cur), []);
    } catch (err) {
        console.log(`Cannot parse ${file}. Is it in a valid format?`);
        return false;
    }
}