From 0504976c2eb6465f0183a618bc591f32b8828bef Mon Sep 17 00:00:00 2001
From: Christian Murphy <christian.murphy.42@gmail.com>
Date: Wed, 29 Apr 2020 09:10:58 -0700
Subject: [PATCH] =?UTF-8?q?=F0=9F=A4=96=20Merge=20PR=20#44341=20hast:=20up?=
 =?UTF-8?q?date=20hast=20property=20type=20by=20@ChristianMurphy?=
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* update hast property type

documented at https://github.com/syntax-tree/hast#properties
properties are primitive types or a list of number or string.

discussed at https://github.com/rehypejs/rehype-document/pull/9#discussion_r417123004

* add more tests for properties
---
 types/hast/hast-tests.ts | 3 +++
 types/hast/index.d.ts    | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/types/hast/hast-tests.ts b/types/hast/hast-tests.ts
index 68699d6dd3..595c642818 100644
--- a/types/hast/hast-tests.ts
+++ b/types/hast/hast-tests.ts
@@ -73,6 +73,9 @@ const properties: Properties = {
     propertyName2: ['propertyValue2', 'propertyValue3'],
     propertyName3: true,
     propertyName4: 47,
+    propertyName5: [4, "4"],
+    propertyName6: null,
+    propertyName7: undefined
 };
 
 function getElement(): Element {
diff --git a/types/hast/index.d.ts b/types/hast/index.d.ts
index 85aa548b3b..dd08f9da82 100644
--- a/types/hast/index.d.ts
+++ b/types/hast/index.d.ts
@@ -2,6 +2,7 @@
 // Project: https://github.com/syntax-tree/hast
 // Definitions by: lukeggchapman <https://github.com/lukeggchapman>
 //                 Junyoung Choi <https://github.com/rokt33r>
+//                 Christian Murphy <https://github.com/ChristianMurphy>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 3.0
 
@@ -72,7 +73,7 @@ export interface Element extends Parent {
  * Represents information associated with an element.
  */
 export interface Properties {
-    [PropertyName: string]: any;
+    [PropertyName: string]: boolean | number | string | null | undefined | Array<string | number>;
 }
 
 /**