Adds CSSCustomState to schema (#128)

Author: lukewarlow

schema.d.ts

@@ -56,7 +56,7 @@ export interface JavaScriptModule {
   kind: 'javascript-module';
 
   /**
-   * Path to the javascript file needed to be imported. 
+   * Path to the javascript file needed to be imported.
    * (not the path for example to a typescript file.)
    */
   path: string;
@@ -250,6 +250,8 @@ export interface CustomElement extends ClassLike {
 
   cssProperties?: CssCustomProperty[];
 
+  cssStates?: CssCustomState[];
+
   demos?: Demo[];
 
   /**
@@ -372,6 +374,34 @@ export interface CssPart {
   deprecated?: boolean | string;
 }
 
+/**
+ * The description of a CSS Custom State
+ * https://developer.mozilla.org/en-US/docs/Web/API/CustomStateSet
+ */
+export interface CssCustomState {
+  /**
+   * The name of the state. Note: Unlike CSS custom properties, custom states
+   * do not have a leading `--`.
+   */
+  name: string;
+
+  /**
+   * A markdown summary suitable for display in a listing.
+   */
+  summary?: string;
+
+  /**
+   * A markdown description.
+   */
+  description?: string;
+
+  /**
+   * Whether the CSS custom state is deprecated.
+   * If the value is a string, it's the reason for the deprecation.
+   */
+  deprecated?: boolean | string;
+}
+
 export interface CssCustomProperty {
   /**
    * The name of the property, including leading `--`.
@@ -573,7 +603,7 @@ export interface ClassField extends PropertyLike {
 export interface CustomElementField extends ClassField {
   /**
    * The corresponding attribute name if there is one.
-   * 
+   *
    * If this property is defined, the attribute must be listed in the classes'
    * `attributes` array.
    */

schema.json

@@ -258,6 +258,34 @@
             ],
             "type": "object"
         },
+        "CssCustomState": {
+            "description": "The description of a CSS Custom State\nhttps://developer.mozilla.org/en-US/docs/Web/API/CustomStateSet",
+            "properties": {
+                "deprecated": {
+                    "description": "Whether the CSS custom state is deprecated.\nIf the value is a string, it's the reason for the deprecation.",
+                    "type": [
+                        "string",
+                        "boolean"
+                    ]
+                },
+                "description": {
+                    "description": "A markdown description.",
+                    "type": "string"
+                },
+                "name": {
+                    "description": "The name of the state. Note: Unlike CSS custom properties, custom states\ndo not have a leading `--`.",
+                    "type": "string"
+                },
+                "summary": {
+                    "description": "A markdown summary suitable for display in a listing.",
+                    "type": "string"
+                }
+            },
+            "required": [
+                "name"
+            ],
+            "type": "object"
+        },
         "CssPart": {
             "description": "The description of a CSS Part",
             "properties": {
@@ -307,6 +335,12 @@
                     },
                     "type": "array"
                 },
+                "cssStates": {
+                    "items": {
+                        "$ref": "#/definitions/CssCustomState"
+                    },
+                    "type": "array"
+                },
                 "customElement": {
                     "description": "Distinguishes a regular JavaScript class from a\ncustom element class",
                     "enum": [
@@ -451,6 +485,12 @@
                     },
                     "type": "array"
                 },
+                "cssStates": {
+                    "items": {
+                        "$ref": "#/definitions/CssCustomState"
+                    },
+                    "type": "array"
+                },
                 "customElement": {
                     "description": "Distinguishes a regular JavaScript class from a\ncustom element class",
                     "enum": [
@@ -765,7 +805,7 @@
                     "type": "string"
                 },
                 "path": {
-                    "description": "Path to the javascript file needed to be imported. \n(not the path for example to a typescript file.)",
+                    "description": "Path to the javascript file needed to be imported.\n(not the path for example to a typescript file.)",
                     "type": "string"
                 },
                 "summary": {