fix(codegen): certain expressions were marked as safe to evaluate

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nimma",
-  "version": "0.1.8",
+  "version": "0.2.0",
   "description": "Scalable JSONPath engine.",
   "keywords": [
     "json",

src/__tests__/codegen.test.mjs

@@ -1,4 +1,5 @@
 import chai from 'chai';
+import forEach from 'mocha-each';
 
 import Nimma from '../core/index.mjs';
 import { jsonPathPlus } from '../fallbacks/index.mjs';
@@ -1283,4 +1284,14 @@ export default function (input, callbacks) {
 `);
     });
   });
+
+  forEach([
+    '$..[?(@.a)]..[?(@.b)]..c..d',
+    '$..[?(@.ab)]..[?(@.cb)]..c..d',
+    '$.paths.*.*[responses,requestBody]..content..schema.properties.*~',
+  ]).it('should consider %s expression as unsafe', expression => {
+    expect(generate.bind(null, [expression], { unsafe: false })).to.throw(
+      `Error parsing ${expression}`,
+    );
+  });
 });

src/codegen/iterator.mjs

@@ -16,9 +16,12 @@ function isBailable(nodes) {
     } else if (isMemberExpression(node)) {
       i++;
       let hadFlatMemberExpressions = false;
+      let deepNodes = 1;
       for (; i < nodes.length - 1; i++) {
         const node = nodes[i];
-        if (!isDeep(node)) {
+        if (isDeep(node)) {
+          deepNodes++;
+        } else {
           hadFlatMemberExpressions ||=
             isMemberExpression(node) || isWildcardExpression(node);
           continue;
@@ -35,7 +38,7 @@ function isBailable(nodes) {
       return isDeep(nodes[nodes.length - 1])
         ? hadFlatMemberExpressions ||
             isWildcardExpression(nodes[nodes.length - 1])
-        : false;
+        : deepNodes > 1;
     } else {
       deep = true;
     }