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Improve type names
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LinusU committed Aug 9, 2018
1 parent c634f4b commit feed73c
Showing 1 changed file with 9 additions and 9 deletions.
18 changes: 9 additions & 9 deletions index.d.ts
Original file line number Diff line number Diff line change
Expand Up @@ -35,20 +35,20 @@ interface ObjectSchema<Properties extends Record<string, AnySchema>, Required ex
required: Required[]
}

interface ExtractedSchemaArray<Schema> extends Array<ExtractSchemaType<Schema>> {}
interface ArrayFromSchema<Schema> extends Array<TypeFromSchema<Schema>> {}

declare type ExtractedSchemaObject<Properties, Required> = {
[Key in keyof Properties]: (Key extends Required ? ExtractSchemaType<Properties[Key]> : ExtractSchemaType<Properties[Key]> | undefined)
declare type ObjectFromSchema<Properties, Required> = {
[Key in keyof Properties]: (Key extends Required ? TypeFromSchema<Properties[Key]> : TypeFromSchema<Properties[Key]> | undefined)
}

declare type ExtractSchemaType<Schema> = (
declare type TypeFromSchema<Schema> = (
Schema extends EnumSchema<infer Enum> ? Enum
: Schema extends NullSchema ? null
: Schema extends BooleanSchema ? boolean
: Schema extends NumberSchema ? number
: Schema extends StringSchema ? string
: Schema extends ArraySchema<infer ItemSchema> ? ExtractedSchemaArray<ItemSchema>
: Schema extends ObjectSchema<infer Properties, infer Required> ? ExtractedSchemaObject<Properties, Required>
: Schema extends ArraySchema<infer ItemSchema> ? ArrayFromSchema<ItemSchema>
: Schema extends ObjectSchema<infer Properties, infer Required> ? ObjectFromSchema<Properties, Required>
: never
)

Expand All @@ -61,7 +61,7 @@ declare namespace factory {
}
}

declare interface Validator<Schema, Output = ExtractSchemaType<Schema>> {
declare interface Validator<Schema, Output = TypeFromSchema<Schema>> {
(input: unknown, options?: any): input is Output
errors: factory.ValidationError[]
toJSON(): Schema
Expand All @@ -75,8 +75,8 @@ declare interface Factory {
<Properties extends Record<string, AnySchema>, Required extends keyof Properties> (schema: ObjectSchema<Properties, Required>, options?: any): Validator<ObjectSchema<Properties, Required>>
<Schema extends AnySchema> (schema: Schema, options?: any): Validator<Schema>

createFilter<Properties extends Record<string, AnySchema>, Required extends keyof Properties> (schema: ObjectSchema<Properties, Required>, options?: any): Filter<ExtractedSchemaObject<Properties, Required>>
createFilter<Schema extends AnySchema> (schema: Schema, options?: any): Filter<ExtractSchemaType<Schema>>
createFilter<Properties extends Record<string, AnySchema>, Required extends keyof Properties> (schema: ObjectSchema<Properties, Required>, options?: any): Filter<ObjectFromSchema<Properties, Required>>
createFilter<Schema extends AnySchema> (schema: Schema, options?: any): Filter<TypeFromSchema<Schema>>
}

declare const factory: Factory
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