github-actions-magento2/supported-version/src/matrix/get-matrix-for-versions.ts

import { GithubActionsMatrix, PackageMatrixVersion } from "./matrix-type";
import { getIndividualVersionsForProject, getCompositeVersionsForProject } from "../versions/get-versions-for-project";

/**
 * Computes the GitHub Actions Matrix for given versions of Magento
 */
export const getMatrixForVersions = (project: string, versions: string[]): GithubActionsMatrix => {
    const knownVersions : Record<string, PackageMatrixVersion> = {
        ...getIndividualVersionsForProject(project), ...getCompositeVersionsForProject(project)
    }
    
    return versions.reduce((acc, current): GithubActionsMatrix => {
        if (knownVersions[current] === undefined){
            throw new Error(`Unknown "${current}" version while computing matrix`);
        }

        return {
            magento: [...acc.magento, current],
            include: [...acc.include, { ...knownVersions[current], version: current.split(':')[1] ?? '' }]
        }
    }, {magento: [], include: []});
}