Cleanup

src/util/toPath.js

@@ -1,3 +1,5 @@
+const IS_COMPLEX_PATH = /\.{2,}|[\[\]]/g
+
 /**
  * Parse a path string into an array of path segments.
  *
@@ -14,6 +16,13 @@
  **/
 export function toPath(path) {
   if (Array.isArray(path)) return path
+  if (!IS_COMPLEX_PATH.test(path)) return path.split('.')
+
+  return parsePath(path)
+}
+
+function parsePath(path) {
+  // return parsePathFull(path)
 
   let parts = []
   let inBrackets = false
@@ -100,9 +109,7 @@ export function toPath(path) {
 }
 
 // Herre for reference in case one is preferred over the other
-export function toPathFull(path) {
-  if (Array.isArray(path)) return path
-
+function parsePathFull(path) {
   // The general outline/properties of a path string:
 
   // Tokens:
@@ -136,9 +143,6 @@ export function toPathFull(path) {
     let error = () => {
       throw new Error(`Invalid path: ${path}\n` + `${' '.repeat(14 + i)}^`)
     }
-    let startNew = () => (partStart = i)
-    let advance = () => (partEnd = i)
-    let setInBrackets = (v) => (inBrackets = v)
     let capture = () => parts.push(path.slice(partStart, partEnd))
 
     if (prev === undefined) {
@@ -147,8 +151,8 @@ export function toPathFull(path) {
         capture()
       } else if (curr === '[') {
         // start -> lb
-        startNew()
-        setInBrackets(true)
+        partStart = i
+        inBrackets = true
       } else if (curr === ']') {
         // start -> rb
         return error()
@@ -161,7 +165,7 @@ export function toPathFull(path) {
         return error()
       } else {
         // dot -> ident
-        startNew()
+        partStart = i
       }
     } else if (prev === '[') {
       if (curr === '[' || curr === undefined) {
@@ -170,49 +174,46 @@ export function toPathFull(path) {
       } else if (curr === ']') {
         // lb -> rb
         capture()
-        setInBrackets(false)
+        inBrackets = false
       } else {
         // lb -> ident
-        startNew()
+        partStart = i
       }
     } else if (prev === ']') {
       if (curr === '.') {
         // rb -> dot
-        startNew()
+        partStart = i
       } else if (curr === '[') {
         // rb -> lb
-        setInBrackets(true)
+        inBrackets = true
       } else if (curr === undefined) {
         // rb -> end
       } else {
         // rb -> rb | ident
         return error()
       }
     } else {
+      if (curr === '[' && inBrackets) {
+        // ident -> lb if in brackets
+        return error()
+      }
+
+      partEnd = i
+
       if (curr === '.' && !inBrackets) {
         // ident -> dot
-        advance()
         capture()
       } else if (curr === ']') {
         // ident -> rb
-        advance()
         capture()
-        setInBrackets(false)
-      } else if (curr === '[' && inBrackets) {
-        // ident -> lb if in brackets
-        return error()
+        inBrackets = false
       } else if (curr === '[' && !inBrackets) {
         // ident -> lb
-        advance()
         capture()
-        setInBrackets(true)
+        inBrackets = true
       } else if (curr === undefined) {
         // ident -> end
-        advance()
         capture()
-      } else {
-        // ident -> ident
-        advance()
       }
     }
   }