crystal-supabase

Version, currently main branch1 version
  • main branchlatestJun 24, 2025

github.com/Skrebnevf/crystal-supabase

Supabase client for Crystal lang

5 stars
0 dependents
License: MIT

Installation

# Add this to your shard.yml
dependencies:
  crystal-supabase:
    github: Skrebnevf/crystal-supabase
    branch: main

main is a branch, not a release, so this tracks it rather than pinning a version.

Then run:

shards install

shard.yml

Crystal
>= 1.16.3
License
MIT
Author
f.skrebnev

Dependencies

Development Dependencies

  • webmock*github: manastech/webmock.cr, branch: masterdev
  • crystalline*github: elbywan/crystalline, branch: masterdev

README

Supabase Crystal Client

Crystal

Crystal client for Supabase REST API supporting basic CRUD operations with query building.

๐Ÿ”จ Installation

  1. Add the dependency to your shard.yml:

    dependencies:
      crystal-supabase:
        github: Skrebnevf/crystal-supabase
  2. Run shards install

๐Ÿ–ฅ๏ธ Usage

require "crystal-supabase"

Select

response = client
  .from("users")
  .select("*")
  .eq("active", "true")
  .execute()
puts response

Insert

payload = %({"name": "Alice", "age": 30})
response = client
  .from("users")
  .insert(payload)
  .execute()
puts response

Update

payload = %({"name": "Charlie"})
response = client
  .from("users")
  .eq("id", "1")
  .update(payload)
  .execute()
puts response

Upsert

payload = %({"id": 1, "name": "Bob"})
response = client
  .from("users")
  .upsert(payload, ["id"])
  .execute()
puts response

Delete

response = client
  .from("users")
  .eq("id", "1")
  .delete()
  .execute()
puts response

Query Filters Examples

response = client
  .from("products")
  .select("id,name,price")
  .gt("price", "100")
  .lt("price", "500")
  .like("name", "%book%")
  .order_desc("price")
  .limit(10)
  .execute()
puts response

RPC

response = client.rpc("hello_world")
puts response

โœ”๏ธ TODO

  • [x] Add basic CRUD
  • [x] Add filters
  • [x] Implement bulk for multiple rows
  • [x] Add call of Postgres functions
  • [ ] Add modifiers

๐Ÿค Contributing

  1. Fork it (https://github.com/Skrebnevf/crystal-supabase/fork)
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request

๐Ÿ  Contributors