https://github.com/koopjs/koop-output-flat

Convert GeoJSON to a flattened JSON array
https://github.com/koopjs/koop-output-flat

Last synced: about 1 year ago
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Convert GeoJSON to a flattened JSON array

• Host: GitHub
• URL: https://github.com/koopjs/koop-output-flat
• Owner: koopjs
• License: other
• Created: 2019-01-31T20:56:57.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2022-12-09T21:13:22.000Z (over 3 years ago)
• Last Synced: 2025-01-24T10:47:17.426Z (over 1 year ago)
• Language: JavaScript
• Homepage:
• Size: 3.91 KB
• Stars: 0
• Watchers: 4
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

          
# koop-output-flat

This output-services plugin converts GeoJSON properties to a "flat" json array.  Geometry is stripped. Any nested GeoJSON properties are moved to the root level and given keys that are a path to their original nested location. For example, the following GeoJSON:

```

{

  "type": "FeatureCollection",

  "features": [

    {

      "type": "Feature",

      "properties": {

        "keywords": ["place", "residence"],

        "address": {

          "street": "187 Suffolk Ln.",

          "City": "Boise"

          }

      },

      "geometry": {

        "type": "Point",

        "coordinates": [

          -121.14486694336,

          47.884118004966

        ]

      }

    }

  ]

}

```

will get converted to:

```

[

    {

        "keywords.0": "place",

        "keywords.1": "residence",

        "address.street": "187 Suffolk Ln.",

        "address.City": "Boise"

    }

]

```

Note that geometry is omitted from the response

.

## Usage

Register this plugin with koop before your provider plugins to ensure that the `flat` routes are bound to the providers.

```

const flat = require('@koopjs/output-flat')

koop.register(flat)

// Register providers

```

After startup, Koop will include an `flat` route for each registered provider.  For example, if you had registered the Github provider, the following route would be available:

`/github/:id/flat`