linted and prettiered

.eslintrc.cjs

@@ -0,0 +1,10 @@
+module.exports = {
+    "extends": [
+        "eslint-config-prettier",
+        "prettier"
+    ],
+    "parserOptions": {
+        "ecmaVersion": "latest",
+        "sourceType": "module",
+    }
+}

.eslintrc.js

@@ -1,5 +0,0 @@
-module.exports = {
-    "extends": [
-        "eslint-config-prettier"
-    ]
-}

README.md

@@ -1,2 +1,3 @@
 # js-linkedlist
 
+Linked list implementation in ES6

src/LinkedList.js

@@ -5,8 +5,8 @@ export const LinkedList = () => {
   const CLU = {
     firstNode: null,
     lastNode: null,
-        totalNodes: 0
-    }
+    totalNodes: 0,
+  };
   // adds a new node containing value to the end of the list
   const append = (value) => {
     // make node
@@ -20,7 +20,7 @@ export const LinkedList = () => {
     // else
     CLU.lastNode.nextNode = CLU.lastNode = newNode;
     CLU.totalNodes++;
-    }
+  };
   // adds a new node containing value to the start of the list
   const prepend = (value) => {
     // set it to first node if we have no others
@@ -36,31 +36,31 @@ export const LinkedList = () => {
     const newNode = Node(value, CLU.firstNode);
     CLU.firstNode = newNode;
     CLU.totalNodes++;
-    }
+  };
   // returns the total number of nodes in the list
   const size = () => {
     return CLU.totalNodes;
-    }
+  };
   // returns the first node in the list
   const head = () => {
     return CLU.firstNode;
-    }
+  };
   // returns the last node in the list
   const tail = () => {
     return CLU.lastNode;
-    }
+  };
   // returns the node at the given index
   const at = (index) => {
     // set to first node
     const MCP = {
-            currentNode: CLU.firstNode
-        }
+      currentNode: CLU.firstNode,
+    };
     // loop through LL to index
     for (let i = 0; i < index; i++) {
       MCP.currentNode = MCP.currentNode.nextNode;
     }
     return MCP.currentNode;
-    }
+  };
   // removes the last element from the list
   const pop = () => {
     // gets second to last node
@@ -73,17 +73,17 @@ export const LinkedList = () => {
     if (CLU.totalNodes === 0) {
       CLU.firstNode = CLU.lastNode = null;
     }
-    }
+  };
   // returns true if the passed in value is in the list and otherwise returns false.
   const contains = (value) => {
     find(value) ? true : false;
-    }
+  };
   // returns the index of the node containing value, or null if not found.    !!!!!!!!!!!
   const find = (value) => {
     // set to first node
     const MCP = {
-            currentNode: CLU.firstNode
-        }
+      currentNode: CLU.firstNode,
+    };
     // for all nodes
     for (let i = 0; i < CLU.totalNodes; i++) {
       // if node value matches, set to true
@@ -94,15 +94,15 @@ export const LinkedList = () => {
       MCP.currentNode = MCP.currentNode.nextNode;
     }
     return null;
-    }
+  };
   // print Nodes out and preview them in the console
   const toString = () => {
     // final String value
-        let finalStr = '';
+    let finalStr = "";
     // set to first node
     const MCP = {
-            currentNode: CLU.firstNode
-        }
+      currentNode: CLU.firstNode,
+    };
     // loop through LL to index
     for (let i = 0; i < CLU.totalNodes; i++) {
       finalStr = finalStr + ` ( ${MCP.currentNode.value} ) ->`;
@@ -110,7 +110,7 @@ export const LinkedList = () => {
     }
     finalStr = finalStr + " null";
     return finalStr;
-    }
+  };
   // inserts a new node with the provided value at the given index
   const insertAt = (value, index) => {
     if (index === 0) {
@@ -135,7 +135,7 @@ export const LinkedList = () => {
     prevNode.nextNode = newNode;
     // updates counter
     CLU.totalNodes = CLU.totalNodes + 1;
-    }
+  };
   // removes the node at the given index
   const removeAt = (index) => {
     // pops if final value
@@ -158,7 +158,7 @@ export const LinkedList = () => {
     if (CLU.totalNodes === 0) {
       CLU.firstNode = CLU.lastNode = null;
     }
-    }
+  };
   return {
     append,
     prepend,
@@ -171,6 +171,6 @@ export const LinkedList = () => {
     find,
     toString,
     insertAt,
-        removeAt
-    }
-}
+    removeAt,
+  };
+};

src/Node.js

@@ -2,6 +2,6 @@
 export const Node = (value = null, nextNode = null) => {
   return {
     value,
-        nextNode
-    }
-}
+    nextNode,
+  };
+};