Resolve issue with negative Infinity

Author: TotalTechGeek

async.test.js

@@ -40,6 +40,30 @@ modes.forEach((logic) => {
       })
       expect(answer).toBe(-4)
     })
+
+    test('it should be able to negate a single number', async () => {
+      const answer = await logic.run({
+        '-': [1]
+      })
+
+      expect(answer).toBe(-1)
+    })
+
+    test('it should be able to negate a single number in an array', async () => {
+      const answer = await logic.run({
+        '-': 1
+      })
+
+      expect(answer).toBe(-1)
+    })
+
+    test('it should be able to negate Infinity', async () => {
+      const answer = await logic.run({
+        '-': Infinity
+      })
+
+      expect(answer).toBe(-Infinity)
+    })
   })
 
   describe('*', () => {

build.test.js

@@ -40,12 +40,24 @@ function timeout (n, x) {
       expect(await f()).toEqual(-5)
     })
 
+    test('Minus operator w/ Infinity', async () => {
+      const f = await logic.build({ '-': Infinity })
+
+      expect(await f()).toEqual(-Infinity)
+    })
+
     test('Minus operator w/ array w/ variable input', async () => {
       const f = await logic.build({ '-': [{ preserve: 5 }] })
 
       expect(await f()).toEqual(-5)
     })
 
+    test('Minus operator w/ array w/ variable input (Infinity)', async () => {
+      const f = await logic.build({ '-': [{ preserve: Infinity }] })
+
+      expect(await f()).toEqual(-Infinity)
+    })
+
     test('Minus operator w/ variable input', async () => {
       const f = await logic.build({ '-': { preserve: '5' } })
 

compiler.js

@@ -37,6 +37,7 @@ import asyncIterators from './async_iterators.js'
  * @returns
  */
 function isPrimitive (x) {
+  if (typeof x === 'number' && (x === Infinity || x === -Infinity || Number.isNaN(x))) return false
   return (
     x === null ||
     x === undefined ||

package.json

@@ -1,6 +1,6 @@
 {
   "name": "json-logic-engine",
-  "version": "1.1.21",
+  "version": "1.1.22",
   "description": "Construct complex rules with JSON & process them.",
   "main": "./dist/cjs/index.js",
   "module": "./dist/esm/index.js",

test.js

@@ -44,6 +44,30 @@ modes.forEach((logic) => {
 
       expect(answer).toBe(-4)
     })
+
+    test('it should be able to negate a single number', () => {
+      const answer = logic.run({
+        '-': [1]
+      })
+
+      expect(answer).toBe(-1)
+    })
+
+    test('it should be able to negate a single number in an array', () => {
+      const answer = logic.run({
+        '-': 1
+      })
+
+      expect(answer).toBe(-1)
+    })
+
+    test('it should be able to negate Infinity', () => {
+      const answer = logic.run({
+        '-': Infinity
+      })
+
+      expect(answer).toBe(-Infinity)
+    })
   })
 
   describe('*', () => {