Parse bower_components and output repository source URL + version of installed modules as JSON

discover-bower-pkg-versions.js

const bower_components = './src/bower_components';
const dependencies = require('./src/bower.json').dependencies;
const outputJson = require('./bower-pkg-versions.json');

const fs = require('fs');
const path = require('path');

const modules = fs.readdirSync(bower_components);

function getAlternativeSourceOrVersion(dir, json) {
    // console.log(`Module ${dir} has repository but not repository.url`);
    try {
        // console.log(`Going to try looking for ${dir} _source`);
        outputJson[json.name] = `${json['_source']}#${json.version}`;
    } catch (e) {
        // console.log('Source URL cannot be found in either bower.json or .bower.json "repository" or "_source"', dir);
        try {
            outputJson[json.name] = json.version;
        } catch (e) {
            console.log(`Zero info available for module ${dir}!`)
        }
    }
}

modules.forEach((dir) => {
    var json;
    var thisBower = path.resolve(path.join(bower_components, dir, 'bower.json'));
    try {
        json = require(thisBower);
    } catch (e) {
        try {
            thisBower = path.resolve(path.join(bower_components, dir, '.bower.json'));
            json = require(thisBower);
        } catch (e) {
            console.log(e);
        }
    }
    if (!outputJson[json.name]) {
        try {
            outputJson[json.name] = `${json.repository}#${json.version}`;
        } catch (e) {
            getAlternativeSourceOrVersion(dir, json)
        }

        try {
            outputJson[json.name] = `${json.repository.url}#${json.version}`;
        } catch (e) {
            getAlternativeSourceOrVersion(dir, json)
        }
    }
});

// console.log(outputJson);
fs.writeFileSync('bower-pkg-versions.json', JSON.stringify(outputJson));

NOTE: This script is still imperfect in its error/fallback handling and will output undefined in certain JSON entries (output needs to be quality checked).