opencode/packages/schema/src/schema.ts

30 lines
1.2 KiB
TypeScript

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 optional = <S extends Schema.Top>(schema: S) =>
Schema.optionalKey(schema).pipe(
Schema.decodeTo(Schema.optional(Schema.toType(schema)), {
decode: SchemaGetter.passthrough({ strict: false }),
encode: SchemaGetter.transformOptional(Option.filter((value) => value !== undefined)),
}),
)
export const statics =
<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)),
}),
)