fix: disallow extra properties in rule options

Author: andreww2012

src/rules/alt-text.ts

@@ -91,7 +91,8 @@ const rule: Rule.RuleModule = {
               }
             }),
           {}
-        )
+        ),
+        additionalProperties: false
       }
     ]
   },

src/rules/anchor-has-content.ts

@@ -35,7 +35,8 @@ const rule: Rule.RuleModule = {
             type: "array",
             items: { type: "string" }
           }
-        }
+        },
+        additionalProperties: false
       }
     ]
   },

src/rules/form-control-has-label.ts

@@ -83,7 +83,8 @@ const rule: Rule.RuleModule = {
             },
             uniqueItems: true
           }
-        }
+        },
+        additionalProperties: false
       }
     ]
   },

src/rules/heading-has-content.ts

@@ -36,7 +36,8 @@ const rule: Rule.RuleModule = {
             type: "array",
             items: { type: "string" }
           }
-        }
+        },
+        additionalProperties: false
       }
     ]
   },

src/rules/interactive-supports-focus.ts

@@ -108,7 +108,8 @@ const rule: InteractiveSupportsFocus = {
             uniqueItems: true,
             additionalItems: false
           }
-        }
+        },
+        additionalProperties: false
       }
     ]
   },

src/rules/label-has-for.ts

@@ -116,7 +116,8 @@ const rule: Rule.RuleModule = {
                     uniqueItems: true
                   }
                 },
-                required: ["some"]
+                required: ["some"],
+                additionalProperties: false
               },
               {
                 type: "object",
@@ -130,14 +131,16 @@ const rule: Rule.RuleModule = {
                     uniqueItems: true
                   }
                 },
-                required: ["every"]
+                required: ["every"],
+                additionalProperties: false
               }
             ]
           },
           allowChildren: {
             type: "boolean"
           }
-        }
+        },
+        additionalProperties: false
       }
     ]
   },

src/rules/media-has-caption.ts

@@ -46,7 +46,8 @@ const rule: Rule.RuleModule = {
             type: "array",
             items: { type: "string" }
           }
-        }
+        },
+        additionalProperties: false
       }
     ]
   },