dummy.js

import { RequestError } from '@octokit/request-error'
import Github from './src/workflows/github.js'
const github = Github()

// https://docs.github.com/rest/reference/git#list-matching-references
export async function listMatchingRefs(owner, repo, ref) {
  try {
    // if the ref is found, this returns an array of objects;
    // if the ref is not found, this returns an empty array
    const { data } = await github.git.listMatchingRefs({
      owner,
      repo,
      ref,
    })
    return data
  } catch (err) {
    console.log('error getting tree')
    throw err
  }
}

console.log('LIST.....')
console.time('Using listMatchingRefs')
console.log((await listMatchingRefs('github', 'github', 'heads/master')).length > 0)
console.log((await listMatchingRefs('github', 'github', 'heads/masterxxx')).length > 0)
console.log((await listMatchingRefs('github', 'github', 'heads/ghae')).length > 0)
console.timeEnd('Using listMatchingRefs')

export async function hasMatchingRef(owner, repo, ref) {
  try {
    await github.git.getRef({
      owner,
      repo,
      ref,
    })
    return true
  } catch (err) {
    if (err instanceof RequestError && err.status === 404) {
      return false
    }
    console.log('error getting tree')
    throw err
  }
}

console.log('HAS.....')
console.time('Using hasMatchingRef')
console.log(await hasMatchingRef('github', 'github', 'heads/master'))
console.log(await hasMatchingRef('github', 'github', 'heads/masterxxx'))
console.log(await hasMatchingRef('github', 'github', 'heads/ghae'))
console.timeEnd('Using hasMatchingRef')