Merge pull request #21699 from rui-cruz/master

Update to sharpjs v0.18.4

types/sharp/index.d.ts

@@ -423,6 +423,8 @@ declare namespace sharp {
         density?: number;
         /** describes raw pixel image data. */
         raw?: Raw;
+        /** describes a blank overlay to be created. */
+        create?: Create;
     }
 
     interface CacheOptions {
@@ -445,6 +447,17 @@ declare namespace sharp {
         channels: number;
     }
 
+    interface Create {
+        /** Number of pixels wide */
+        width: number;
+        /** Number of pixels high */
+        height: number;
+        /** Number of bands e.g. 3 for RGB, 4 for RGBA */
+        channels: number;
+        /** parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha. */
+        background: string | RGBA;
+    }
+
     interface Metadata {
         /** Name of decoder used to decompress image data e.g. jpeg, png, webp, gif, svg */
         format?: string;