configure-pages/src/get-pages-base-url.js

const core = require('@actions/core')
const axios = require('axios')
const {setPagesPath} = require('./set-pages-path')

async function getPagesBaseUrl({
  repositoryNwo,
  githubToken,
  staticSiteGenerator
}) {
  try {
    const pagesEndpoint = `https://api.github.com/repos/${repositoryNwo}/pages`

    core.info(`Get the Base URL to the page with endpoint ${pagesEndpoint}`)
    const response = await axios.get(pagesEndpoint, {
      headers: {
        Accept: 'application/vnd.github.v3+json',
        Authorization: `Bearer ${githubToken}`
      }
    })

    pageObject = response.data
    core.info(JSON.stringify(pageObject))

    const siteUrl = new URL(pageObject.html_url)
    if (staticSiteGenerator) {
      setPagesPath({staticSiteGenerator, path: siteUrl.pathname})
    }
    core.setOutput('base_url', siteUrl.href)
    core.setOutput('origin', siteUrl.origin)
    core.setOutput('host', siteUrl.host)
    core.setOutput('base_path', siteUrl.pathname)
  } catch (error) {
    core.error('Get on the Page failed', error)
    throw error
  }
}

module.exports = getPagesBaseUrl