style: add prettier and format code

.docsifytopdfrc.js

@@ -1,7 +1,7 @@
 module.exports = {
-  contents: ["summary.md"],
-  pathToPublic: "pdf/doocs-leetcode.pdf",
-  pdfOptions: "<options for puppeteer.pdf()>",
-  removeTemp: true,
-  emulateMedia: "screen",
+    contents: ["summary.md"],
+    pathToPublic: "pdf/doocs-leetcode.pdf",
+    pdfOptions: "<options for puppeteer.pdf()>",
+    removeTemp: true,
+    emulateMedia: "screen",
 };

.prettierrc

@@ -0,0 +1,10 @@
+{
+    "tabWidth": 4,
+    "useTabs": false,
+    "semi": true,
+    "singleQuote": false,
+    "TrailingCooma": "all",
+    "bracketSpacing": true,
+    "jsxBracketSameLine": false,
+    "arrowParens": "avoid"
+}

basic/sorting/BubbleSort/BubbleSort.js

@@ -8,13 +8,13 @@ function bubbleSort(inputArr) {
                 let temp = inputArr[j];
                 inputArr[j] = inputArr[j + 1];
                 inputArr[j + 1] = temp;
-                swapped = true
+                swapped = true;
             }
         }
         if (swapped === false) break;
     }
-    return (inputArr)
+    return inputArr;
 }
 
 let arr = [6, 3, 2, 1, 5];
-console.log(bubbleSort(arr))
+console.log(bubbleSort(arr));

basic/sorting/InsertionSort/InsertionSort.js

@@ -9,8 +9,8 @@ function insertionSort(inputArr) {
         }
         inputArr[j + 1] = temp;
     }
-    return (inputArr);
+    return inputArr;
 }
 
 let arr = [6, 3, 2, 1, 5];
-console.log(insertionSort(arr))
+console.log(insertionSort(arr));

basic/sorting/MergeSort/Main.js

@@ -1,19 +1,22 @@
-var buf = '';
+var buf = "";
 
-process.stdin.on('readable', function () {
+process.stdin.on("readable", function () {
     var chunk = process.stdin.read();
     if (chunk) buf += chunk.toString();
 });
 
 let getInputArgs = line => {
-    return line.split(' ').filter(s => s !== '').map(x => parseInt(x));
-}
+    return line
+        .split(" ")
+        .filter(s => s !== "")
+        .map(x => parseInt(x));
+};
 
 function mergeSort(nums, left, right) {
     if (left >= right) {
         return;
     }
-    
+
     const mid = (left + right) >> 1;
     mergeSort(nums, left, mid);
     mergeSort(nums, mid + 1, right);
@@ -38,15 +41,12 @@ function mergeSort(nums, left, right) {
     }
 }
 
-
-
-process.stdin.on('end', function () {
-    buf.split('\n').forEach(function (line, lineIdx) {
+process.stdin.on("end", function () {
+    buf.split("\n").forEach(function (line, lineIdx) {
         if (lineIdx % 2 === 1) {
             nums = getInputArgs(line);
             mergeSort(nums, 0, nums.length - 1);
-            console.log(nums.join(' '));
+            console.log(nums.join(" "));
         }
-
     });
-});
+});

basic/sorting/QuickSort/Main.js

@@ -1,19 +1,22 @@
-var buf = '';
+var buf = "";
 
-process.stdin.on('readable', function () {
+process.stdin.on("readable", function () {
     var chunk = process.stdin.read();
     if (chunk) buf += chunk.toString();
 });
 
 let getInputArgs = line => {
-    return line.split(' ').filter(s => s !== '').map(x => parseInt(x));
-}
+    return line
+        .split(" ")
+        .filter(s => s !== "")
+        .map(x => parseInt(x));
+};
 
 function quickSort(nums, left, right) {
     if (left >= right) {
         return;
     }
-    
+
     let i = left - 1;
     let j = right + 1;
     let x = nums[(left + right) >> 1];
@@ -30,15 +33,12 @@ function quickSort(nums, left, right) {
     quickSort(nums, j + 1, right);
 }
 
-
-
-process.stdin.on('end', function () {
-    buf.split('\n').forEach(function (line, lineIdx) {
+process.stdin.on("end", function () {
+    buf.split("\n").forEach(function (line, lineIdx) {
         if (lineIdx % 2 === 1) {
             nums = getInputArgs(line);
             quickSort(nums, 0, nums.length - 1);
-            console.log(nums.join(' '));
+            console.log(nums.join(" "));
         }
-
     });
-});
+});

basic/sorting/SelectionSort/SelectionSort.js

@@ -4,8 +4,7 @@ function selectionSort(inputArr) {
         let j = i;
         let min = j;
         while (j <= len - 1) {
-            if (inputArr[j] < inputArr[min])
-                min = j;
+            if (inputArr[j] < inputArr[min]) min = j;
             j++;
         }
         let temp = inputArr[i];
@@ -16,4 +15,4 @@ function selectionSort(inputArr) {
 }
 
 let arr = [6, 3, 2, 1, 5];
-console.log(selectionSort(arr))
+console.log(selectionSort(arr));

basic/sorting/ShellSort/ShellSort.js

@@ -18,4 +18,4 @@ function shellSort(arr) {
 }
 
 let arr = [6, 3, 2, 1, 5];
-console.log(shellSort(arr))
+console.log(shellSort(arr));

lcci/01.01.Is Unique/Solution.js

@@ -2,14 +2,14 @@
  * @param {string} astr
  * @return {boolean}
  */
- var isUnique = function(astr) {
+var isUnique = function (astr) {
     let bitmap = 0;
     for (let i = 0; i < astr.length; ++i) {
-        const pos = astr[i].charCodeAt() - 'a'.charCodeAt();
+        const pos = astr[i].charCodeAt() - "a".charCodeAt();
         if ((bitmap & (1 << pos)) != 0) {
             return false;
         }
-        bitmap |= (1 << pos);
+        bitmap |= 1 << pos;
     }
     return true;
-};
+};

lcci/01.02.Check Permutation/Solution.js

@@ -3,14 +3,16 @@
  * @param {string} s2
  * @return {boolean}
  */
-var CheckPermutation = function(s1, s2) {
-    let n1 = s1.length, n2 = s2.length;
+var CheckPermutation = function (s1, s2) {
+    let n1 = s1.length,
+        n2 = s2.length;
     if (n1 != n2) return false;
     let counter = {};
     for (let i = 0; i < n1; i++) {
-        let cur1 = s1.charAt(i), cur2 = s2.charAt(i);
+        let cur1 = s1.charAt(i),
+            cur2 = s2.charAt(i);
         counter[cur1] = (counter[cur1] || 0) + 1;
         counter[cur2] = (counter[cur2] || 0) - 1;
     }
     return Object.values(counter).every(v => v == 0);
-};
+};

lcci/01.03.String to URL/Solution.js

@@ -3,6 +3,6 @@
  * @param {number} length
  * @return {string}
  */
- var replaceSpaces = function(S, length) {
-    return encodeURI(S.substring(0,length));
-};
+var replaceSpaces = function (S, length) {
+    return encodeURI(S.substring(0, length));
+};

lcci/01.06.Compress String/Solution.js

@@ -2,17 +2,18 @@
  * @param {string} S
  * @return {string}
  */
- var compressString = function(S) {
+var compressString = function (S) {
     if (!S) return S;
-    let p = 0, q = 1;
-    let res = '';
+    let p = 0,
+        q = 1;
+    let res = "";
     while (q < S.length) {
         if (S[p] != S[q]) {
-            res += (S[p] + (q - p));
+            res += S[p] + (q - p);
             p = q;
         }
         ++q;
     }
-    res += (S[p] + (q - p));
+    res += S[p] + (q - p);
     return res.length < S.length ? res : S;
-};
+};

lcci/01.07.Rotate Matrix/Solution.js

@@ -2,9 +2,9 @@
  * @param {number[][]} matrix
  * @return {void} Do not return anything, modify matrix in-place instead.
  */
- var rotate = function(matrix) {
+var rotate = function (matrix) {
     const n = matrix.length;
-    for (let i = 0; i < (n / 2); i++) {
+    for (let i = 0; i < n / 2; i++) {
         for (let j = i; j < n - i - 1; j++) {
             let t = matrix[i][j];
             matrix[i][j] = matrix[n - j - 1][i];
@@ -13,4 +13,4 @@
             matrix[j][n - i - 1] = t;
         }
     }
-};
+};

lcci/01.08.Zero Matrix/Solution.js

@@ -2,8 +2,9 @@
  * @param {number[][]} matrix
  * @return {void} Do not return anything, modify matrix in-place instead.
  */
- var setZeroes = function(matrix) {
-    let m = matrix.length, n = matrix[0].length;
+var setZeroes = function (matrix) {
+    let m = matrix.length,
+        n = matrix[0].length;
     let rows = new Array(m).fill(false);
     let cols = new Array(n).fill(false);
     // 标记
@@ -23,4 +24,4 @@
             }
         }
     }
-};
+};

lcci/02.01.Remove Duplicate Node/Solution.js

@@ -9,11 +9,12 @@
  * @param {ListNode} head
  * @return {ListNode}
  */
- var removeDuplicateNodes = function(head) {
+var removeDuplicateNodes = function (head) {
     if (head == null || head.next == null) return head;
     const cache = new Set([]);
     cache.add(head.val);
-    let cur = head, fast = head.next;
+    let cur = head,
+        fast = head.next;
     while (fast !== null) {
         if (!cache.has(fast.val)) {
             cur.next = fast;
@@ -24,4 +25,4 @@
     }
     cur.next = null;
     return head;
-};
+};

lcci/02.02.Kth Node From End of List/Solution.js

@@ -10,8 +10,9 @@
  * @param {number} k
  * @return {number}
  */
- var kthToLast = function(head, k) {
-    let fast = head, slow = head;
+var kthToLast = function (head, k) {
+    let fast = head,
+        slow = head;
     for (let i = 0; i < k; i++) {
         fast = fast.next;
     }
@@ -20,4 +21,4 @@
         slow = slow.next;
     }
     return slow.val;
-};
+};

lcci/02.03.Delete Middle Node/Solution.js

@@ -9,7 +9,7 @@
  * @param {ListNode} node
  * @return {void} Do not return anything, modify node in-place instead.
  */
- var deleteNode = function(node) {
-    node.val = node.next.val
-    node.next = node.next.next
-};
+var deleteNode = function (node) {
+    node.val = node.next.val;
+    node.next = node.next.next;
+};

lcci/02.05.Sum Lists/Solution.js

@@ -11,16 +11,16 @@
  * @return {ListNode}
  */
 var addTwoNumbers = function (l1, l2) {
-  let carry = 0;
-  const dummy = new ListNode(-1);
-  let cur = dummy;
-  while (l1 || l2 || carry) {
-    const s = (l1 ? l1.val : 0) + (l2 ? l2.val : 0) + carry;
-    carry = Math.floor(s / 10);
-    cur.next = new ListNode(s % 10);
-    cur = cur.next;
-    l1 = l1 ? l1.next : l1;
-    l2 = l2 ? l2.next : l2;
-  }
-  return dummy.next;
-};
+    let carry = 0;
+    const dummy = new ListNode(-1);
+    let cur = dummy;
+    while (l1 || l2 || carry) {
+        const s = (l1 ? l1.val : 0) + (l2 ? l2.val : 0) + carry;
+        carry = Math.floor(s / 10);
+        cur.next = new ListNode(s % 10);
+        cur = cur.next;
+        l1 = l1 ? l1.next : l1;
+        l2 = l2 ? l2.next : l2;
+    }
+    return dummy.next;
+};