// mocked functions for demo purpose

const fakePromise = (data) => new Promise((r) => {

  setTimeout(r, 100, data);

});

const getAllCommitsForaPR = (number) => fakePromise(Array(number).fill(number));

const getAllOpenPRs = () => fakePromise([{number: 1}, {number: 2}, {number: 3}, {number: 4}]);

const checkCommitMessageForPatch = (message) => message % 2;

​

// function as discussed in the post

const getNonSemverPatchPRs = async () => {

    const allOpenPrs = await getAllOpenPRs();

​

    return allOpenPrs.reduce(async (previousPromise, pr) => {

        const collection = await previousPromise;

        const allCommits = await getAllCommitsForaPR(pr.number);

​

        const isNotSemverPatchPR = checkCommitMessageForPatch(allCommits[0]);

        if (isNotSemverPatchPR) {

            collection.push(pr);

        }

​

        return collection;

    }, Promise.resolve([]));

};

​

​

getNonSemverPatchPRs()

.then((a) => console.log(a))

.catch((e) => console.error(e))

​