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Guards work
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Julien Valverdé
2025-04-14 03:40:58 +02:00
parent fe8ca23d37
commit 8925fe6336
1 changed files with 28 additions and 5 deletions
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33
packages/extension-form/src/internal/guards.ts
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@@ -1,14 +1,37 @@
import { Array, Predicate, Record, Schema } from "effect"
import { Array, Predicate, Record, Schema, Tuple } from "effect"
export const isStruct = (u: unknown): u is Schema.Struct<any> => (
export const isTupleSchema = (u: unknown): u is Schema.Tuple<any> => (
Schema.isSchema(u) &&
Predicate.hasProperty(u, "elements") && Array.isArray(u.elements) &&
Predicate.hasProperty(u, "rest") && Array.isArray(u.rest)
)
export const isArraySchema = (u: unknown): u is Schema.Array$<any> => (
Schema.isSchema(u) &&
Predicate.hasProperty(u, "elements") && Array.isArray(u.elements) && Array.isEmptyArray(u.elements) &&
Predicate.hasProperty(u, "rest") && Array.isArray(u.rest) && Tuple.isTupleOf(u.rest, 1) &&
Predicate.hasProperty(u, "value")
)
export const isStructSchema = (u: unknown): u is Schema.Struct<any> => (
Schema.isSchema(u) &&
Predicate.hasProperty(u, "fields") && Predicate.isObject(u.fields) &&
Predicate.hasProperty(u, "record") && Array.isArray(u.record) && Array.isEmptyArray(u.record)
Predicate.hasProperty(u, "records") && Array.isArray(u.records) && Array.isEmptyArray(u.records)
)
export const isRecord = (u: unknown): u is Schema.Record$<any, any> => (
export const isRecordSchema = (u: unknown): u is Schema.Record$<any, any> => (
Schema.isSchema(u) &&
Predicate.hasProperty(u, "fields") && Predicate.isObject(u.fields) && Record.isEmptyRecord(u.fields) &&
Predicate.hasProperty(u, "record") && Array.isArray(u.record)
Predicate.hasProperty(u, "records") && Array.isArray(u.records) &&
Predicate.hasProperty(u, "key") &&
Predicate.hasProperty(u, "value")
)
const myTuple = Schema.Tuple(Schema.String)
const myArray = Schema.Array(Schema.String)
const myStruct = Schema.Struct({})
const myRecord = Schema.Record({ key: Schema.String, value: Schema.String })
console.log(isArraySchema(myTuple))