Write a version-file

write-version-file.ts

import * as rootRequire from 'root-require';
import * as cp from 'child_process';
import * as fs from 'fs';

const packageLockJSON = rootRequire('./package-lock.json');
const packageJSON = rootRequire('./package.json');
const versionFile = 'dist/assets/version.json';
const orgPrefix = '@mhe'

const output = {
    repoName: packageJSON.name,
    description: 'Selected dependency and exported package versions.',
    lastCommitHash: '',
    dependentPackages: [],
    cdnAssets: []
};

function updateDependencyVersions() {
    for (const depencency in packageLockJSON.dependencies) {
        if (packageLockJSON.dependencies.hasOwnProperty(depencency)) {
            if (depencency.slice(0, orgPrefix.length) === orgPrefix) {
                output.dependentPackages.push({[depencency]: packageLockJSON.dependencies[depencency].version });
            }
        }
    }
}

cp.exec('git rev-parse --verify HEAD', (err, stdout) => {
    output.repoName = packageJSON.name;
    output.lastCommitHash = stdout.replace('\n', '');

    updateDependencyVersions();

    const versionJSON = JSON.stringify(output, null, 2);

    fs.writeFile(versionFile, versionJSON, (err) => {
        if (err) {
            return console.log(err);
        }
    });
});