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With Options Syntax
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Lines changed: 1154 additions & 149 deletions

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‎design/syntax/syntax.ts‎

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@@ -288,13 +288,21 @@ const Base = Runtime.Union([
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Runtime.Ref('Reference')
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])
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// ------------------------------------------------------------------
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// With
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// ------------------------------------------------------------------
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const With = Runtime.Union([
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Runtime.Tuple([Runtime.Const('with'), Runtime.Ref('JsonObject')]),
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Runtime.Tuple([])
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])
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// ------------------------------------------------------------------
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// Factor
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// ------------------------------------------------------------------
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const Factor = Runtime.Tuple([
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Runtime.Ref('KeyOf'),
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Runtime.Ref('Base'),
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Runtime.Ref('IndexArray'),
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Runtime.Ref('Extends')
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Runtime.Ref('Extends'),
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Runtime.Ref('With')
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])
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// ------------------------------------------------------------------
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// Expr
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// Options generic type, and thus span multiple parsing contexts
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//
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// ------------------------------------------------------------------
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// ------------------------------------------------------------------
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// JsonNumber
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// ------------------------------------------------------------------
@@ -953,6 +960,7 @@ export const SyntaxModule = new Runtime.Module({
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IndexArray,
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Extends,
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Base,
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With,
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Factor,
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ExprTermTail,
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ExprTerm,

‎design/website/app/frontend/components/home/home.tsx‎

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@@ -104,7 +104,7 @@ export function Home() {
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messages={[
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H, H,
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'High Performance Validation for JSON Schema',
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'Runtime TypeScript Emulation using JSON Schema'
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'Runtime TypeScript Engine For JSON Schema'
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]}
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/>
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<div className='actions'>

‎design/website/docs/schema/overview.md‎

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11
# Schema
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High Performance JSON Schema Validator
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High Performance Validation for JSON Schema
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## Overview
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‎design/website/docs/script/1_syntax.md‎

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@@ -1,29 +1,190 @@
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# Script.Syntax
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3-
The Script function will transform TypeScript types into Json Schema schematics.
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The Script function is designed to evaluate most TypeScript type expressions, including raw types, interfaces, type aliases, conditional and mapped expressions, and generics. The Script function returns TypeBox types which are themselves JSON Schema, thus Script can be thought of as a TypeScript-based programmable DSL for the JSON Schema specification.
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## Types
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Script has support for most TypeScript types and structural constructs. Each type will map into its corresponding TypeBox representation, which can be serialized as JSON Schema or compiled into a validator.
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```typescript
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// ------------------------------------------------------------------
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// Literal
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// ------------------------------------------------------------------
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const T0 = Type.Script('1') // TLiteral<1>
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const T1 = Type.Script('true') // TLiteral<true>
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const T2 = Type.Script('"hello"') // TLiteral<"hello">
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const T3 = Type.Script('10000n') // TLiteral<10000n>
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// ------------------------------------------------------------------
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// TemplateLiteral
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// ------------------------------------------------------------------
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const T4 = Type.Script('`hello${1|2}`') // TTemplateLiteral<'^hello(1|2)$'>
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// ------------------------------------------------------------------
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// JsonSchema
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// ------------------------------------------------------------------
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const T5 = Type.Script('any') // TAny
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const T6 = Type.Script('unknown') // TUnknown
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const T7 = Type.Script('never') // TNever
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const T8 = Type.Script('boolean') // TBoolean
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const T9 = Type.Script('integer') // TInteger
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const T10 = Type.Script('number') // TNumber
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const T11 = Type.Script('string') // TString
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const T12 = Type.Script('null') // TNull
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// ------------------------------------------------------------------
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// JavaScript
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// ------------------------------------------------------------------
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const T13 = Type.Script('bigint') // TBigInt
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const T14 = Type.Script('symbol') // TSymbol
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const T15 = Type.Script('undefined') // TUndefined
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const T16 = Type.Script('void') // TVoid
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// ------------------------------------------------------------------
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// Structural
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// ------------------------------------------------------------------
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const T17 = Type.Script('{ x: number }') // TObject<{ x: TNumber }>
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const T18 = Type.Script('[1, 2]') // TTuple<[TLiteral<1>, TLiteral<2>]>
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const T19 = Type.Script('number[]') // TArray<TNumber>
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// ------------------------------------------------------------------
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// Intersect
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// ------------------------------------------------------------------
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const T20 = Type.Script('{ x: 1 } & { y: 2 }') // TIntersect<[
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// TObject<{
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// x: TLiteral<1>
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// }>,
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// TObject<{
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// y: TLiteral<2>
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// }>,
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// ]>
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// ------------------------------------------------------------------
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// Union
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// ------------------------------------------------------------------
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const T21 = Type.Script('{ x: 1 } | { y: 2 }') // TUnion<[
66+
// TObject<{
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// x: TLiteral<1>
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// }>,
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// TObject<{
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// y: TLiteral<2>
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// }>,
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// ]>
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// ------------------------------------------------------------------
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// Function
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// ------------------------------------------------------------------
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const T22 = Type.Script(`(a: number, b: number) => number`)
78+
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// TFunction<[TNumber, TNumber], TNumber>
80+
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// ------------------------------------------------------------------
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// Constructor
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// ------------------------------------------------------------------
84+
const T23 = Type.Script(`new (a: number, b: number) => {
85+
foo: (x: string) => void
86+
bar: (x: string) => void
87+
baz: (x: string) => void
88+
}`) // TConstructor<[TNumber, TNumber], TObject<{
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// foo: TFunction<[TString], TVoid>
90+
// bar: TFunction<[TString], TVoid>
91+
// baz: TFunction<[TString], TVoid>
92+
// }>>
93+
```
494

595
## Type Expressions
696

7-
The Script function can accept anonymous TypeScript type expressions.
97+
Script provides support for most TypeScript type-level expressions.
898

999
```typescript
10-
const A = Type.Script('"hello"')
100+
// ------------------------------------------------------------------
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// Conditional
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// ------------------------------------------------------------------
103+
const T0 = Type.Script(`1 extends 2 ? true : false`) // TFalse
104+
const T1 = Type.Script('1 extends infer A ? [A]: never') // TTuple<[TLiteral<1>]>
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106+
// ------------------------------------------------------------------
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// Mapped
108+
// ------------------------------------------------------------------
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const T2 = Type.Script(`{
110+
[K in keyof 'x' | 'y' | 'z']: number
111+
}`) // TObject<{
112+
// x: TNumber,
113+
// y: TNumber,
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// z: TNumber
115+
// }>
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117+
const T3 = Type.Script(`{
118+
[K in keyof 'x' | 'y' | 'z' as Uppercase<K>]?: number
119+
}`) // TObject<{
120+
// X: TOptional<TNumber>,
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// Y: TOptional<TNumber>,
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// Z: TOptional<TNumber>
123+
// }>
124+
125+
// ------------------------------------------------------------------
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// KeyOf
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// ------------------------------------------------------------------
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const T4 = Type.Script(`keyof { x: number, y: number }`) // TUnion<[
129+
// TLiteral<'x'>,
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// TLiteral<'y'>
131+
// ]>
132+
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// ------------------------------------------------------------------
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// Indexed
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// ------------------------------------------------------------------
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const T5 = Type.Script(`[1, 2, 3][2]`) // TLiteral<3>
137+
const T6 = Type.Script(`{ x: number }['x']`) // TNumber
138+
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// ------------------------------------------------------------------
140+
// Generic + Invoke
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// ------------------------------------------------------------------
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const T7 = Type.Script(`<T> = [T, T, T]`) // TGeneric<...>
143+
144+
const T8 = Type.Script({ T7 }, `T7<1>`) // TTuple<[
145+
// TLiteral<1>,
146+
// TLiteral<1>,
147+
// TLiteral<1>,
148+
// ]>
149+
```
11150

12-
const B = Type.Script(`{
13-
x: number
14-
y: number
15-
z: number
16-
}`)
151+
## Type Utilities
17152

18-
const C = Type.Script(`
19-
{ x: number } & (
20-
{ y: number } |
21-
{ z: number }
22-
)`)
153+
Script includes support for most TypeScript utility and intrinsic types.
23154

155+
```typescript
156+
// ------------------------------------------------------------------
157+
// Utility Types
158+
// ------------------------------------------------------------------
159+
const T0 = Type.Script(`Partial<{ x: number }>`)
160+
const T1 = Type.Script(`Required<{ x: number }>`)
161+
const T2 = Type.Script(`Readonly<{ x: number }>`)
162+
const T3 = Type.Script(`Pick<{ x: number, y: number }, 'x'>`)
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const T4 = Type.Script(`Omit<{ x: number, y: number }, 'x'>`)
164+
const T5 = Type.Script(`NonNullable<string | null>`)
165+
const T6 = Type.Script('Exclude<1 | 2 | 3, 1 | 2>')
166+
const T7 = Type.Script('Extract<1 | 2 | 3, 1 | 2>')
167+
const T8 = Type.Script('ConstructorParameters<new (x: number) => {}>')
168+
const T9 = Type.Script('Parameters<(x: number) => number>')
169+
const T10 = Type.Script('ReturnType<(x: number) => number>')
170+
const T11 = Type.Script('InstanceType<(x: number) => number>')
171+
172+
// ------------------------------------------------------------------
173+
// Intrinsic String Manipulation
174+
// ------------------------------------------------------------------
175+
const T12 = Type.Script('Uppercase<"hello">')
176+
const T13 = Type.Script('Lowercase<"hello">')
177+
const T14 = Type.Script('Capitalize<"hello">')
178+
const T15 = Type.Script('Uncapitalize<"hello">')
179+
180+
// ------------------------------------------------------------------
181+
// Extension Types
182+
// ------------------------------------------------------------------
183+
const T16 = Type.Script('Evaluate<{ x: number } & { y: number }>')
184+
const T17 = Type.Script('Options<{ x: number }, { additionalProperties: false }>')
24185
```
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26-
## Type Alias and Interface
187+
## Type Modules
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28189
The Script function also accepts `type` and `interface` declarations. The return value will be an object containing all embedded declarations.
29190

@@ -35,7 +196,7 @@ const { Expression, ConstDeclaration, BinaryExpression, ConstExpression } = Type
35196
| ConstExpression
36197
37198
interface ConstDeclaration {
38-
type: 'ConstDeclaration',
199+
type: 'ConstDeclaration'
39200
name: string
40201
value: Expression
41202
}
@@ -49,21 +210,20 @@ const { Expression, ConstDeclaration, BinaryExpression, ConstExpression } = Type
49210
const: unknown
50211
}
51212
`)
52-
53213
```
54214

55-
# Unsupported
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## Unsupported
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57217
The following constructs are currently unsupported.
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59219
### Template Literal Substring Infer
60220

61-
Script does not support substring inference with TemplateLiteral types.
221+
Script does not support substring inference with `TemplateLiteral` types.
62222

63223
```typescript
64224
type Get<S extends string> = S extends `hello ${infer Name}` ? Name : never
65225
// ^
66-
// Substring Infer Not Supported
226+
// Substring infer not supported
67227
```
68228
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### Embedded Function with Generic Type Parameter
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73233
```typescript
74234
type Foo = { x: <T>(value: T) => string }
75235
// ^
76-
// Embedded Generic Function Not Supported
236+
// Embedded generic function not supported
77237
```

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