Poking around with regex

david-should-but-us-beer.js

const assert = require('assert');

describe('should-work', () => {

  it('passes', () => {
    const enhanceURL = (url) =>
      url.replace(/https/g, 'http').replace(/^http:\/\/([a-zA-Z0-9]+)\./gm,
        (m, p1) => m.replace(p1, 'admin--' + p1))
        .replace(/\/(?=[^\/]*$)/, '/api/')
      + '?_content_format=json'

    assert.equal(
      enhanceURL('http://example.ldp-project.localdev.space/channel-info'),
      'http://admin--example.ldp-project.localdev.space/api/channel-info?_content_format=json'
    )

    assert.equal(
      enhanceURL('https://example.ldp-project.localdev.space/channel-info'),
      'http://admin--example.ldp-project.localdev.space/api/channel-info?_content_format=json'
    )

    assert.equal(
      enhanceURL('https://oto.ldp-project.localdev.space/channel-info'),
      'http://admin--oto.ldp-project.localdev.space/api/channel-info?_content_format=json'
    )
  })
})