Add prev retention for compiled comparison operators

Author: TotalTechGeek

compiler.js

@@ -307,7 +307,7 @@ function processBuiltString (method, str, buildState) {
     str = str.replace(`__%%%${x}%%%__`, item)
   })
 
-  const final = `(values, methods, notTraversed, asyncIterators, engine, above, coerceArray) => ${buildState.asyncDetected ? 'async' : ''} (context ${buildState.extraArguments ? ',' + buildState.extraArguments : ''}) => { const result = ${str}; return result }`
+  const final = `(values, methods, notTraversed, asyncIterators, engine, above, coerceArray) => ${buildState.asyncDetected ? 'async' : ''} (context ${buildState.extraArguments ? ',' + buildState.extraArguments : ''}) => { let prev; const result = ${str}; return result }`
   // console.log(str)
   // console.log(final)
   // eslint-disable-next-line no-eval

defaultMethods.js

@@ -767,16 +767,16 @@ Object.keys(defaultMethods).forEach((item) => {
 defaultMethods['<'].compile = function (data, buildState) {
   if (!Array.isArray(data)) return false
   if (data.length < 2) return false
-  let res = buildState.compile`(${data[0]} < ${data[1]})`
-  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && ${data[i - 1]} < ${data[i]})`
+  let res = buildState.compile`(${data[0]} < (prev = ${data[1]}))`
+  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && prev < ${data[i]})`
   return res
 }
 // @ts-ignore Allow custom attribute
 defaultMethods['<='].compile = function (data, buildState) {
   if (!Array.isArray(data)) return false
   if (data.length < 2) return false
-  let res = buildState.compile`(${data[0]} <= ${data[1]})`
-  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && ${data[i - 1]} <= ${data[i]})`
+  let res = buildState.compile`(${data[0]} <= (prev = ${data[1]}))`
+  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && prev <= ${data[i]})`
   return res
 }
 // @ts-ignore Allow custom attribute
@@ -797,32 +797,32 @@ defaultMethods.max.compile = function (data, buildState) {
 defaultMethods['>'].compile = function (data, buildState) {
   if (!Array.isArray(data)) return false
   if (data.length < 2) return false
-  let res = buildState.compile`(${data[0]} > ${data[1]})`
-  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && ${data[i - 1]} > ${data[i]})`
+  let res = buildState.compile`(${data[0]} > (prev = ${data[1]}))`
+  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && prev > ${data[i]})`
   return res
 }
 // @ts-ignore Allow custom attribute
 defaultMethods['>='].compile = function (data, buildState) {
   if (!Array.isArray(data)) return false
   if (data.length < 2) return false
-  let res = buildState.compile`(${data[0]} >= ${data[1]})`
-  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && ${data[i - 1]} >= ${data[i]})`
+  let res = buildState.compile`(${data[0]} >= (prev = ${data[1]}))`
+  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && prev >= ${data[i]})`
   return res
 }
 // @ts-ignore Allow custom attribute
 defaultMethods['=='].compile = function (data, buildState) {
   if (!Array.isArray(data)) return false
   if (data.length < 2) return false
-  let res = buildState.compile`(${data[0]} == ${data[1]})`
-  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && ${data[i - 1]} == ${data[i]})`
+  let res = buildState.compile`(${data[0]} == (prev = ${data[1]}))`
+  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && prev == ${data[i]})`
   return res
 }
 // @ts-ignore Allow custom attribute
 defaultMethods['!='].compile = function (data, buildState) {
   if (!Array.isArray(data)) return false
   if (data.length < 2) return false
-  let res = buildState.compile`(${data[0]} != ${data[1]})`
-  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && ${data[i - 1]} != ${data[i]})`
+  let res = buildState.compile`(${data[0]} != (prev = ${data[1]}))`
+  for (let i = 2; i < data.length; i++) res = buildState.compile`(${res} && prev != ${data[i]})`
   return res
 }
 // @ts-ignore Allow custom attribute

suites/plus.json

@@ -93,12 +93,18 @@
         "decimal": true
     },
     {
-        "description": "Plus Operator with Single Operand, Direct (String .5)",
-        "rule": { "+": ".5" },
+        "description": "Plus Operator with Single Operand, Direct (String 0.5)",
+        "rule": { "+": "0.5" },
         "result": 0.5,
         "data": null,
         "decimal": true
     },
+    {
+        "description": "Plus Operator with Single Operand, Direct (String 1e2)",
+        "rule": { "+": "1e2" },
+        "result": 100,
+        "data": null
+    },
     {
         "description": "Plus Operator with Single Operand, Direct (String 0)",
         "rule": { "+": "0" },