Resolve an issue with empty objects post-permissive

Author: TotalTechGeek

asyncLogic.js

@@ -150,7 +150,7 @@ class AsyncLogicEngine {
       return result
     }
 
-    if (logic && typeof logic === 'object') {
+    if (logic && typeof logic === 'object' && Object.keys(logic).length > 0) {
       const { func, result } = await this._parse(logic, data, above)
 
       if (this.options.yieldSupported && (await checkYield(result))) {

compiler.js

@@ -272,6 +272,7 @@ function buildString (method, buildState = {}) {
     buildState.useContext || (engine.methods[func] || {}).useContext
 
   if (method && typeof method === 'object') {
+    if (!func) return pushValue(method)
     if (!engine.methods[func]) {
       // If we are in permissive mode, we will just return the object.
       if (engine.options.permissive) return pushValue(method, true)

general.test.js

@@ -77,6 +77,11 @@ describe('Various Test Cases', () => {
     for (const engine of normalEngines) await testEngine(engine, { unknown: true }, {}, Error)
   })
 
+  it('Should return an empty object when I pass in an empty object.', async () => {
+    for (const engine of normalEngines) await testEngine(engine, {}, {}, {})
+    for (const engine of permissiveEngines) await testEngine(engine, {}, {}, {})
+  })
+
   it('Should return the object when an unrecognized method is used.', async () => {
     for (const engine of permissiveEngines) {
       await testEngine(engine, { unknown: true }, {}, { unknown: true })

logic.js

@@ -111,7 +111,7 @@ class LogicEngine {
       }
       return result
     }
-    if (logic && typeof logic === 'object') {
+    if (logic && typeof logic === 'object' && Object.keys(logic).length > 0) {
       const { func, result } = this._parse(logic, data, above)
       if (this.options.yieldSupported && checkYield(result)) {
         if (result instanceof YieldStructure) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "json-logic-engine",
-  "version": "1.2.9",
+  "version": "1.2.10",
   "description": "Construct complex rules with JSON & process them.",
   "main": "./dist/cjs/index.js",
   "module": "./dist/esm/index.js",