Fix URI fragment decoding in instance get()

annotations/tests/pointer.json

@@ -0,0 +1,53 @@
+[
+  {
+    "title": "annotation pointers are properly decoded",
+    "schema": {
+      "properties": {
+        "paths": {
+          "properties": {
+            "/pets/{id}": {
+              "title": "path",
+              "properties": {
+                "get": {
+                  "title": "method"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "subjects": [
+      {
+        "instance": { "paths": { "/pets/{id}": {} } },
+        "assertions": [
+          {
+            "location": "#/paths/~1pets~1{id}",
+            "keyword": "title",
+            "expected": ["path"]
+          }
+        ]
+      },
+      {
+        "instance": { "paths": { "/pets/{id}": {} } },
+        "assertions": [
+          {
+            "location": "#/paths/~1pets~1%7Bid%7D",
+            "keyword": "title",
+            "expected": ["path"]
+          }
+        ]
+      },
+      {
+        "instance": { "paths": { "/pets/{id}": { "get": {} } } },
+        "assertions": [
+          {
+            "location": "#/paths/~1pets~1%7Bid%7D/get",
+            "keyword": "title",
+            "expected": ["method"]
+          }
+        ]
+      }
+    ]
+  }
+]

lib/instance.js

@@ -1,6 +1,6 @@
 import { append as pointerAppend, get as pointerGet } from "@hyperjump/json-pointer";
 import { toAbsoluteIri } from "@hyperjump/uri";
-import { jsonTypeOf } from "./common.js";
+import { jsonTypeOf, uriFragment } from "./common.js";
 import { Reference } from "@hyperjump/browser/jref";
 
 
@@ -17,7 +17,7 @@ export const get = (url, instance = nil) => {
     throw Error(`No JSON document found at '${url.split("#")[0]}'`);
   }
 
-  const pointer = url.substr(1);
+  const pointer = uriFragment(url);
   return {
     ...instance,
     pointer: pointer,