fix: correct wrong behavior of the key property named deprecated (#626)

src/validator.ts

@@ -39,6 +39,9 @@ rules.set('When minItems exists, minItems >= 0', schema => {
 
 rules.set('deprecated must be a boolean', schema => {
   const typeOfDeprecated = typeof schema.deprecated
+  if (schema.properties && 'deprecated' in schema.properties) {
+    return true
+  }
   return typeOfDeprecated === 'boolean' || typeOfDeprecated === 'undefined'
 })
 

test/__snapshots__/test/test.ts.md

@@ -863,6 +863,7 @@ Generated by [AVA](https://avajs.dev).
        */␊
       lastName?: string;␊
       description?: string;␊
+      deprecated?: boolean;␊
     }␊
     `
 

test/e2e/deprecated.ts

@@ -24,6 +24,11 @@ export const input = {
     description: {
       type: 'string',
     },
+    // https://github.com/bcherny/json-schema-to-typescript/issues/626
+    deprecated: {
+      default: false,
+      type: 'boolean',
+    },
   },
   additionalProperties: false,
   required: ['firstName'],