formatter function moved out for flow/legibility

src/knightMoves.js

@@ -1,5 +1,31 @@
 import { gameBoard } from "./gameBoard.js";
 
+// formatter for final output
+const format = (moves) => {
+  // fix the output array by traversing provided array of BFS search results
+  // get last square (the destination)
+  let square = moves[moves.length - 1];
+  // loop through previous squares until there are no more previous squares (the origin)
+  // get array of path - made changeable for later
+  let arr = [];
+  while (square != null) {
+    arr.unshift(square);
+    square = square.prev;
+  }
+  // format the output string in the Odin-approved way
+  let output = `=> You made it in ${
+    arr.length - 1
+  } moves! Here's your path:\n`;
+  // loop through returned array of square objects to return array of positions and append them to the output
+  for (let i = 0; i < arr.length; i++) {
+    // change each array index to be the position of the current square object
+    arr[i] = new Array(arr[i].x, arr[i].y);
+    // then add it to the output string
+    output = `${output} [${arr[i]}]\n`;
+  }
+  return console.log(output);
+};
+
 export const knightMoves = (origin, destination) => {
   // make board - 8 x 8
   const board = gameBoard(8);
@@ -14,31 +40,6 @@ export const knightMoves = (origin, destination) => {
   // possible move combinations for x and y - linked at index values - moves clockwise
   const possibleX = [1, 2, 2, 1, -1, -2, -2, -1];
   const possibleY = [2, 1, -1, -2, -2, -1, 1, 2];
-  // formatter for final output
-  const format = (moves) => {
-    // fix the output array by traversing provided array of BFS search results
-    // get last square (the destination)
-    let square = moves[moves.length - 1];
-    // loop through previous squares until there are no more previous squares (the origin)
-    // get array of path - made changeable for later
-    let arr = [];
-    while (square != null) {
-      arr.unshift(square);
-      square = square.prev;
-    }
-    // format the output string in the Odin-approved way
-    let output = `=> You made it in ${
-      arr.length - 1
-    } moves! Here's your path:\n`;
-    // loop through returned array of square objects to return array of positions and append them to the output
-    for (let i = 0; i < arr.length; i++) {
-      // change each array index to be the position of the current square object
-      arr[i] = new Array(arr[i].x, arr[i].y);
-      // then add it to the output string
-      output = `${output} [${arr[i]}]\n`;
-    }
-    return console.log(output);
-  };
   // initialize looping variables
   let current;
   const queue = [originSquare];
@@ -72,4 +73,4 @@ export const knightMoves = (origin, destination) => {
   }
   // if not found, return infinity
   return Infinity;
-};
+};