(*) Content Mesh

The example below defines and accesses a list of all services required by the application:

/?query=
  echo([
    github: "https://api.github.com/repos/leoloso/PoP",
    weather: "https://api.weather.gov/zones/forecast/MOZ028/forecast",
    photos: "https://picsum.photos/v2/list"
  ])@meshServices|
  getAsyncJSON(getSelfProp(%self%, meshServices))@meshServiceData|
  echo([
    weatherForecast: extract(
      getSelfProp(%self%, meshServiceData),
      weather.periods
    ),
    photoGalleryURLs: extract(
      getSelfProp(%self%, meshServiceData),
      photos.url
    ),
    githubMeta: echo([
      description: extract(
        getSelfProp(%self%, meshServiceData),
        github.description
      ),
      starCount: extract(
        getSelfProp(%self%, meshServiceData),
        github.stargazers_count
      )
    ])
  ])@contentMesh

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