refactor(schema): extract shared public schemas (#33571)

packages/schema/src/schema.ts

@@ -0,0 +1,30 @@
+import { DateTime, Option, Schema, SchemaGetter } from "effect"
+
+export const PositiveInt = Schema.Int.check(Schema.isGreaterThan(0))
+export const NonNegativeInt = Schema.Int.check(Schema.isGreaterThanOrEqualTo(0))
+
+export const RelativePath = Schema.String.pipe(Schema.brand("RelativePath"))
+export type RelativePath = typeof RelativePath.Type
+
+export const AbsolutePath = Schema.String.pipe(Schema.brand("AbsolutePath"))
+export type AbsolutePath = typeof AbsolutePath.Type
+
+export const optionalOmitUndefined = <S extends Schema.Top>(schema: S) =>
+  Schema.optionalKey(schema).pipe(
+    Schema.decodeTo(Schema.optional(schema), {
+      decode: SchemaGetter.passthrough({ strict: false }),
+      encode: SchemaGetter.transformOptional(Option.filter((value) => value !== undefined)),
+    }),
+  )
+
+export const withStatics =
+  <S extends object, M extends Record<string, unknown>>(methods: (schema: S) => M) =>
+  (schema: S): S & M =>
+    Object.assign(schema, methods(schema))
+
+export const DateTimeUtcFromMillis = Schema.Finite.pipe(
+  Schema.decodeTo(Schema.DateTimeUtc, {
+    decode: SchemaGetter.transform((value) => DateTime.makeUnsafe(value)),
+    encode: SchemaGetter.transform((value) => DateTime.toEpochMillis(value)),
+  }),
+)