Actually, I'll switch with the new Error, I just want to make sure I support throw NaN just in case...

Author: TotalTechGeek

defaultMethods.js

@@ -59,58 +59,58 @@ const defaultMethods = {
     if (typeof data === 'string') return precoerceNumber(+data)
     if (typeof data === 'number') return precoerceNumber(+data)
     if (typeof data === 'boolean') return precoerceNumber(+data)
-    if (typeof data === 'object' && !Array.isArray(data)) throw NaN
+    if (typeof data === 'object' && !Array.isArray(data)) throw new Error('NaN')
     let res = 0
     for (let i = 0; i < data.length; i++) {
-      if (data[i] && typeof data[i] === 'object') throw NaN
+      if (data[i] && typeof data[i] === 'object') throw new Error('NaN')
       res += +data[i]
     }
-    if (Number.isNaN(res)) throw NaN
+    if (Number.isNaN(res)) throw new Error('NaN')
     return res
   },
   '*': (data) => {
     let res = 1
     for (let i = 0; i < data.length; i++) {
-      if (data[i] && typeof data[i] === 'object') throw NaN
+      if (data[i] && typeof data[i] === 'object') throw new Error('NaN')
       res *= +data[i]
     }
-    if (Number.isNaN(res)) throw NaN
+    if (Number.isNaN(res)) throw new Error('NaN')
     return res
   },
   '/': (data) => {
-    if (data[0] && typeof data[0] === 'object') throw NaN
+    if (data[0] && typeof data[0] === 'object') throw new Error('NaN')
     let res = +data[0]
     for (let i = 1; i < data.length; i++) {
-      if ((data[i] && typeof data[i] === 'object') || !data[i]) throw NaN
+      if ((data[i] && typeof data[i] === 'object') || !data[i]) throw new Error('NaN')
       res /= +data[i]
     }
-    if (Number.isNaN(res)) throw NaN
+    if (Number.isNaN(res)) throw new Error('NaN')
     return res
   },
   '-': (data) => {
     if (!data) return 0
     if (typeof data === 'string') return precoerceNumber(-data)
     if (typeof data === 'number') return precoerceNumber(-data)
     if (typeof data === 'boolean') return precoerceNumber(-data)
-    if (typeof data === 'object' && !Array.isArray(data)) throw NaN
-    if (data[0] && typeof data[0] === 'object') throw NaN
+    if (typeof data === 'object' && !Array.isArray(data)) throw new Error('NaN')
+    if (data[0] && typeof data[0] === 'object') throw new Error('NaN')
     if (data.length === 1) return -data[0]
     let res = data[0]
     for (let i = 1; i < data.length; i++) {
-      if (data[i] && typeof data[i] === 'object') throw NaN
+      if (data[i] && typeof data[i] === 'object') throw new Error('NaN')
       res -= +data[i]
     }
-    if (Number.isNaN(res)) throw NaN
+    if (Number.isNaN(res)) throw new Error('NaN')
     return res
   },
   '%': (data) => {
-    if (data[0] && typeof data[0] === 'object') throw NaN
+    if (data[0] && typeof data[0] === 'object') throw new Error('NaN')
     let res = +data[0]
     for (let i = 1; i < data.length; i++) {
-      if (data[i] && typeof data[i] === 'object') throw NaN
+      if (data[i] && typeof data[i] === 'object') throw new Error('NaN')
       res %= +data[i]
     }
-    if (Number.isNaN(res)) throw NaN
+    if (Number.isNaN(res)) throw new Error('NaN')
     return res
   },
   error: (type) => {
@@ -962,11 +962,11 @@ defaultMethods['/'].compile = function (data, buildState) {
   if (Array.isArray(data)) {
     return `(${data.map((i, x) => {
     let res = numberCoercion(i, buildState)
-    if (x) res = `(${res}|| (() => { throw NaN })() )`
+    if (x) res = `(${res}|| (() => { throw new Error('NaN') })() )`
     return res
   }).join(' / ')})`
   }
-  return `(${buildString(data, buildState)}).reduce((a,b) => (+precoerceNumber(a))/(+precoerceNumber(b) || (() => { throw NaN })() ))`
+  return `(${buildString(data, buildState)}).reduce((a,b) => (+precoerceNumber(a))/(+precoerceNumber(b) || (() => { throw new Error('NaN') })() ))`
 }
 // @ts-ignore Allow custom attribute
 defaultMethods['*'].compile = function (data, buildState) {

utilities/downgrade.js

@@ -3,8 +3,8 @@
  * @param {any} item
  */
 export function precoerceNumber (item) {
-  if (Number.isNaN(item)) throw NaN
+  if (Number.isNaN(item)) throw new Error('NaN')
   if (!item) return item
-  if (typeof item === 'object') throw NaN
+  if (typeof item === 'object') throw new Error('NaN')
   return item
 }