- Fix: Require json as "own" property

- Testing: Improve coverage

Author: brettz9

CHANGES.md

@@ -3,6 +3,7 @@
 ## 3.0.0 (2020-01-13)
 
 - Breaking change: Expect Node >= 8
+- Fix: Require `json` as "own" property
 - Fix: wrap: false returning inconsistent data types (@CacheControl)
 - Fix: Ensure throwing with a bad result type
 - Fix: Avoid erring when value before parent selector is falsey

src/jsonpath.js

@@ -279,13 +279,13 @@ JSONPath.prototype.evaluate = function (
                 'argument to JSONPath.evaluate().'
             );
         }
-        if (!('json' in expr)) {
+        if (!(hasOwnProp.call(expr, 'json'))) {
             throw new TypeError(
                 'You must supply a "json" property when providing an object ' +
                 'argument to JSONPath.evaluate().'
             );
         }
-        json = hasOwnProp.call(expr, 'json') ? expr.json : json;
+        ({json} = expr);
         flatten = hasOwnProp.call(expr, 'flatten') ? expr.flatten : flatten;
         this.currResultType = hasOwnProp.call(expr, 'resultType')
             ? expr.resultType

test/test.api.js

@@ -71,4 +71,26 @@ describe('JSONPath - API', function () {
         result = jp.evaluate();
         assert.deepEqual(result, expected);
     });
+
+    it('should test defaults with `evaluate` object and `autostart: false`', () => {
+        const books = json.store.book;
+        const expected = [books[0].author, books[1].author, books[2].author, books[3].author];
+        const jp = jsonpath({
+            autostart: false
+        });
+        const result = jp.evaluate({
+            json,
+            path: '$.store.book[*].author',
+            sandbox: {category: 'reference'},
+            preventEval: true,
+            flatten: true,
+            wrap: false,
+            resultType: 'value',
+            callback () { /* */ },
+            parent: null,
+            parentProperty: null,
+            otherTypeCallback () { /* */ }
+        });
+        assert.deepEqual(result, expected);
+    });
 });