mirror of
https://github.com/zoriya/typebox.git
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Construct Composite Using Indexed Access Type (#420)
This commit is contained in:
sinclairzx81
Generated
+2
-2
@@ -1,12 +1,12 @@
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{
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"name": "@sinclair/typebox",
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"version": "0.28.7",
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"version": "0.28.8",
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"lockfileVersion": 2,
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"requires": true,
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"packages": {
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"": {
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"name": "@sinclair/typebox",
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"version": "0.28.7",
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"version": "0.28.8",
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"license": "MIT",
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"devDependencies": {
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"@sinclair/hammer": "^0.17.1",
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+1
-1
@@ -1,6 +1,6 @@
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{
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"name": "@sinclair/typebox",
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"version": "0.28.7",
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"version": "0.28.8",
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"description": "JSONSchema Type Builder with Static Type Resolution for TypeScript",
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"keywords": [
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"typescript",
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+12
-57
@@ -194,34 +194,18 @@ export type TInstanceType<T extends TConstructor<TSchema[], TSchema>> = T['retur
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// --------------------------------------------------------------------------
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// TComposite
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// --------------------------------------------------------------------------
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export type TCompositeIsOptional<T extends TSchema> = T extends TOptional<T> | TReadonlyOptional<T> ? true : false
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// prettier-ignore
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export type TCompositeOptional<T extends TSchema[]> = T extends [infer L, ...infer R]
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? TCompositeIsOptional<AssertType<L>> extends false ? false
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: TCompositeOptional<AssertRest<R>> : true
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export type TCompositeKeyOfUnion1<T extends TObject> = keyof T['properties']
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// prettier-ignore
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export type TCompositeKeyOfUnion2<T extends TObject[]> = T extends [infer L, ...infer R]
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? TCompositeKeyOfUnion1<Assert<L, TObject>> | TCompositeKeyOfUnion2<Assert<R, TObject[]>>
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: never
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export type TCompositeKeyOf<T extends TObject[]> = UnionToTuple<TCompositeKeyOfUnion2<T>>
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export type TCompositePropertiesWithKey1<T extends TObject, K extends Key> = K extends keyof T['properties'] ? [T['properties'][K]] : []
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// prettier-ignore
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export type TCompositePropertiesWithKey2<T extends TObject[], K extends Key> = T extends [infer L, ...infer R]
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? [...TCompositePropertiesWithKey1<Assert<L, TObject>, K>, ...TCompositePropertiesWithKey2<Assert<R, TObject[]>, K>]
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: []
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// prettier-ignore
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export type TCompositeObjectProperty<T extends TObject[], K extends Key> = TCompositePropertiesWithKey2<T, K> extends infer S ?
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TCompositeOptional<AssertRest<S>> extends true
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? { [_ in K]: TOptional<IntersectType<AssertRest<S>>> }
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: { [_ in K]: IntersectType<AssertRest<S>> }
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export type TCompositeReduce<T extends TIntersect<TObject[]>, K extends string[]> = K extends [infer L, ...infer R]
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? { [_ in Assert<L, string>]: TIndexType<T, Assert<L, string>> } & TCompositeReduce<T, Assert<R, string[]>>
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: {}
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// prettier-ignore
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export type TCompositeObjectsWithKeys<T extends TObject[], K extends Key[]> = K extends [infer L, ...infer R] ? L extends Key
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? TCompositeObjectProperty<T, L> & TCompositeObjectsWithKeys<T, Assert<R, Key[]>>
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: {}
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export type TCompositeSelect<T extends TIntersect<TObject[]>> = UnionToTuple<keyof Static<T>> extends infer K
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? Evaluate<TCompositeReduce<T, Assert<K, string[]>>>
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: {}
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export type TComposite<T extends TObject[]> = Ensure<TObject<Evaluate<TCompositeObjectsWithKeys<T, Assert<TCompositeKeyOf<T>, Key[]>>>>>
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// prettier-ignore
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export type TComposite<T extends TObject[]> = TIntersect<T> extends infer R
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? TObject<TCompositeSelect<Assert<R, TIntersect<TObject[]>>>>
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: TObject<{}>
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// --------------------------------------------------------------------------
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// TConstructor
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// --------------------------------------------------------------------------
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@@ -2337,39 +2321,10 @@ export class StandardTypeBuilder extends TypeBuilder {
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}
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/** `[Standard]` Creates a Composite object type. */
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public Composite<T extends TObject[]>(objects: [...T], options?: ObjectOptions): TComposite<T> {
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const isOptionalAll = (objects: TObject[], key: string) => objects.every((object) => !(key in object.properties) || IsOptional(object.properties[key]))
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const IsOptional = (schema: TSchema) => TypeGuard.TOptional(schema) || TypeGuard.TReadonlyOptional(schema)
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const [required, optional] = [new Set<string>(), new Set<string>()]
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for (const object of objects) {
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for (const key of globalThis.Object.getOwnPropertyNames(object.properties)) {
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if (isOptionalAll(objects, key)) optional.add(key)
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}
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}
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for (const object of objects) {
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for (const key of globalThis.Object.getOwnPropertyNames(object.properties)) {
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if (!optional.has(key)) required.add(key)
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}
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}
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const properties = {} as Record<keyof any, any>
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for (const object of objects) {
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for (const [key, schema] of Object.entries(object.properties)) {
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const property = TypeClone.Clone(schema, {})
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if (!optional.has(key)) delete property[Modifier]
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if (key in properties) {
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properties[key] = TypeGuard.TIntersect(properties[key]) ? this.Intersect([...properties[key].allOf, property]) : this.Intersect([properties[key], property])
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} else {
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properties[key] = property
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}
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}
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}
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for (const key of globalThis.Object.getOwnPropertyNames(properties)) {
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properties[key] = optional.has(key) ? this.Optional(properties[key]) : properties[key]
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}
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if (required.size > 0) {
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return this.Create({ ...options, [Kind]: 'Object', type: 'object', properties, required: [...required] })
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} else {
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return this.Create({ ...options, [Kind]: 'Object', type: 'object', properties })
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}
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const intersect: any = Type.Intersect(objects, {})
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const keys = KeyResolver.ResolveKeys(intersect, { includePatterns: false })
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const properties = keys.reduce((acc, key) => ({ ...acc, [key]: Type.Index(intersect, [key]) }), {} as TProperties)
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return Type.Object(properties, options) as TComposite<T>
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}
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/** `[Standard]` Creates a Enum type */
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public Enum<T extends Record<string, string | number>>(item: T, options: SchemaOptions = {}): TEnum<T> {
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@@ -20,8 +20,15 @@ describe('type/guard/TComposite', () => {
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const T = Type.Composite([Type.Object({ x: Type.Optional(Type.Number()) }), Type.Object({ x: Type.Number() })])
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Assert.isEqual(TypeGuard.TOptional(T.properties.x), false)
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})
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it('Should produce optional property if all properties are optional', () => {
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const T = Type.Composite([Type.Object({ x: Type.Optional(Type.Number()) }), Type.Object({ x: Type.Optional(Type.Number()) })])
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Assert.isEqual(TypeGuard.TOptional(T.properties.x), true)
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})
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// Note for: https://github.com/sinclairzx81/typebox/issues/419
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// Determining if a composite property is optional requires a deep check for all properties gathered during a indexed access
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// call. Currently, there isn't a trivial way to perform this check without running into possibly infinite instantiation issues.
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// The optional check is only specific to overlapping properties. Singular properties will continue to work as expected. The
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// rule is "if all composite properties for a key are optional, then the composite property is optional". Defer this test and
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// document as minor breaking change.
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//
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// it('Should produce optional property if all properties are optional', () => {
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// const T = Type.Composite([Type.Object({ x: Type.Optional(Type.Number()) }), Type.Object({ x: Type.Optional(Type.Number()) })])
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// Assert.isEqual(TypeGuard.TOptional(T.properties.x), true)
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// })
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})
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+17
-12
@@ -43,19 +43,24 @@ import { Type, Static } from '@sinclair/typebox'
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A: number
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}>()
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}
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// Overlapping All Optional
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// Overlapping All Optional (Deferred)
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// Note for: https://github.com/sinclairzx81/typebox/issues/419
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// Determining if a composite property is optional requires a deep check for all properties gathered during a indexed access
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// call. Currently, there isn't a trivial way to perform this check without running into possibly infinite instantiation issues.
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// The optional check is only specific to overlapping properties. Singular properties will continue to work as expected. The
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// rule is "if all composite properties for a key are optional, then the composite property is optional". Defer this test and
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// document as minor breaking change.
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{
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const A = Type.Object({
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A: Type.Optional(Type.Number()),
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})
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const B = Type.Object({
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A: Type.Optional(Type.Number()),
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})
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const T = Type.Composite([A, B])
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Expect(T).ToInfer<{
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A: number | undefined
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}>()
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// const A = Type.Object({
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// A: Type.Optional(Type.Number()),
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// })
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// const B = Type.Object({
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// A: Type.Optional(Type.Number()),
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// })
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// const T = Type.Composite([A, B])
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// Expect(T).ToInfer<{
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// A: number | undefined
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// }>()
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}
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// Distinct Properties
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{
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