Add JSDoc based types

.gitignore

@@ -1,4 +1,5 @@
 .DS_Store
+*.d.ts
 *.log
 coverage/
 node_modules/

index.d.ts

@@ -1,29 +1,45 @@
-// TypeScript Version: 3.5
-
-import {Element, Properties, Node} from 'hast'
-
-/**
- * DSL to create virtual hast trees for HTML or SVG
- *
- * @param selector Simple CSS selector
- * @param children (Lists of) child nodes
- */
-declare function hastscript(
-  selector?: string,
-  children?: string | Node | Array<string | Node>
-): Element
-
-/**
- * DSL to create virtual hast trees for HTML or SVG
- *
- * @param selector Simple CSS selector
- * @param properties Map of properties
- * @param children (Lists of) child nodes
- */
-declare function hastscript(
-  selector?: string,
-  properties?: Properties,
-  children?: string | Node | Array<string | Node>
-): Element
-
-export = hastscript
+export function h(): HastRoot
+export function h(selector: null | undefined, ...children: HChild[]): HastRoot
+export function h(
+  selector: string,
+  properties: HProperties,
+  ...children: HChild[]
+): HastElement
+export function h(selector: string, ...children: HChild[]): HastElement
+export function s(): HastRoot
+export function s(selector: null | undefined, ...children: HChild[]): HastRoot
+export function s(
+  selector: string,
+  properties: HProperties,
+  ...children: HChild[]
+): HastElement
+export function s(selector: string, ...children: HChild[]): HastElement
+export type HastRoot = import('hast').Root
+export type HastElement = import('hast').Element
+export type Properties = import('hast').Properties
+export type HastChild = HastRoot['children'][number]
+export type Info = import('property-information/lib/util/schema').Schema['property'][string]
+export type Schema =
+  | import('property-information/lib/util/schema').Schema
+  | import('property-information/lib/util/schema').Schema
+export type HStyleValue = string | number
+export type HStyle = {
+  [x: string]: HStyleValue
+}
+export type HPrimitiveValue = string | number | boolean | null | undefined
+export type HArrayValue = Array<string | number>
+export type HPropertyValue = HPrimitiveValue | (string | number)[]
+export type HProperties = {
+  [property: string]:
+    | {
+        [x: string]: HStyleValue
+      }
+    | HPropertyValue
+}
+export type HPrimitiveChild = string | number | null | undefined
+export type HNodeChild = HastChild | HastRoot
+export type HArrayChild = Array<HPrimitiveChild | HNodeChild>
+export type HChild =
+  | HPrimitiveChild
+  | HNodeChild
+  | (HPrimitiveChild | HNodeChild)[]