Jsonifiable schemas

src/schema/jsonify/bigint.ts

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+import { identity } from "lodash-es"
+import { Opaque } from "type-fest"
+import { z } from "zod"
+
+
+export type JsonifiedBigInt = Opaque<string, "@thilawyn/schemable-class/JsonifiedBigInt">
+
+
+export function jsonifyBigIntSchema<S extends z.ZodBigInt>(schema: S) {
+    return schema.transform(v => v.toString() as JsonifiedBigInt)
+}
+
+export function dejsonifyBigIntSchema<S extends z.ZodBigInt>(schema: S) {
+    return z
+        .custom<JsonifiedBigInt>(identity)
+        .pipe(z
+            .string()
+            .transform(v => {
+                try {
+                    return BigInt(v)
+                }
+                catch (e) {
+                    return v
+                }
+            })
+            .pipe(schema)
+        )
+}

src/schema/jsonify/date.ts

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+import { identity } from "lodash-es"
+import { Opaque } from "type-fest"
+import { z } from "zod"
+
+
+export type JsonifiedDate = Opaque<string, "@thilawyn/schemable-class/JsonifiedDate">
+
+
+export function jsonifyDateSchema<S extends z.ZodDate>(schema: S) {
+    return schema.transform(v => v.toString() as JsonifiedDate)
+}
+
+export function dejsonifyDateSchema<S extends z.ZodDate>(schema: S) {
+    return z
+        .custom<JsonifiedDate>(identity)
+        .pipe(z
+            .string()
+            .transform(v => {
+                try {
+                    return new Date(v)
+                }
+                catch (e) {
+                    return v
+                }
+            })
+            .pipe(schema)
+        )
+}

src/schema/jsonify/decimal.ts

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+import { Decimal } from "decimal.js"
+import { identity } from "lodash-es"
+import { Opaque } from "type-fest"
+import { z } from "zod"
+
+
+export type JsonifiedDecimal = Opaque<string, "@thilawyn/schemable-class/JsonifiedDecimal">
+
+
+export function jsonifyDecimalSchema<
+    S extends z.ZodType<Decimal, z.ZodTypeDef, Decimal>
+>(schema: S) {
+    return schema.transform(v => v.toJSON() as JsonifiedDecimal)
+}
+
+export function dejsonifyDecimalSchema<
+    S extends z.ZodType<Decimal, z.ZodTypeDef, Decimal>
+>(schema: S) {
+    return z
+        .custom<JsonifiedDecimal>(identity)
+        .pipe(z
+            .string()
+            .transform(v => {
+                try {
+                    return new Decimal(v)
+                }
+                catch (e) {
+                    return v
+                }
+            })
+            .pipe(schema)
+        )
+}

src/schema/jsonify/index.ts

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+import { dejsonifyBigIntSchema, jsonifyBigIntSchema } from "./bigint"
+import { dejsonifyDateSchema, jsonifyDateSchema } from "./date"
+import { dejsonifyDecimalSchema, jsonifyDecimalSchema } from "./decimal"
+
+
+export const jsonify = {
+    bigint:   jsonifyBigIntSchema,
+    date:     jsonifyDateSchema,
+    decimal:  jsonifyDecimalSchema,
+}
+
+export const dejsonify = {
+    bigint:   dejsonifyBigIntSchema,
+    date:     dejsonifyDateSchema,
+    decimal:  dejsonifyDecimalSchema,
+}