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@effect-dynamodb/geo

v1.7.2

Published

Geospatial index and search for effect-dynamodb using H3 hexagonal grid

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Links

Git

Maintainers

jmengajmenga

Keywords

effecteffect-tsdynamodbgeospatialh3hexagonal-gridgeo-searchlocationproximity

Readme

@effect-dynamodb/geo

Geospatial index and proximity search for effect-dynamodb, built on Uber's H3 hexagonal grid.

npm license

Documentation: https://jmenga.github.io/effect-dynamodb/guides/geospatial

Installation

pnpm add @effect-dynamodb/geo effect-dynamodb effect

effect and effect-dynamodb are peer dependencies.

What it does

Adds two operations to any entity with lat/lng coordinates:

  • Proximity search — "find items within N kilometers of a point"
  • Bounding-box search — "find items inside a rectangle"

Implemented as a GSI overlay using H3 cell IDs as the partition key, so reads stay O(visited cells) instead of scanning the table.

See the Geospatial guide for setup, indexing strategy, and tradeoffs.

License

MIT