Merge pull request #79 from thosakwe/add-json-scalar

Map JSON scalar to serde_json::Value

Author: andrewhassan

shopify_function/src/scalars.rs

@@ -4,6 +4,7 @@ pub type Boolean = bool;
 pub type Float = f64;
 pub type Int = i64;
 pub type ID = String;
+pub type JSON = serde_json::Value;
 pub use decimal::Decimal;
 pub type Void = ();
 pub type URL = String;