Add prettier formatter

.gitignore

@@ -197,4 +197,7 @@ buildNumber.properties
 # Ignore all local history of files
 .history
 
+### Node ###
+node_modules/
+
 # End of https://www.toptal.com/developers/gitignore/api/eclipse,intellij,visualstudiocode,java,maven

.huskyrc.js

+module.exports = {
+  hooks: {
+    "pre-commit": "lint-staged"
+  }
+};

.prettierignore

+.git
+node_modules
+package-lock.json
+**/node_modules
+**/package-lock.json
+**/target
+

.prettierrc

+# Prettier configuration
+
+overrides:
+  - files: "**/*.java"
+    options:
+      # js and ts rules
+      arrowParens: avoid
+      # jsx and tsx rules
+      jsxBracketSameLine: false
+      printWidth: 140
+      tabWidth: 2
+      useTabs: false
+      singleQuote: true
+  - files:
+      - "**/*.{yml,yaml}"
+    options:
+      singleQuote: false

package.json

+{
+  "name": "live-coding-fr",
+  "version": "0.0.0",
+  "description": "Repository for Ippon twitch kata",
+  "private": true,
+  "license": "Apache2",
+  "cacheDirectories": [
+    "node_modules"
+  ],
+  "devDependencies": {
+    "husky": "1.3.1",
+    "lint-staged": "8.1.4",
+    "prettier": "^1.19.1",
+    "prettier-plugin-java": "^0.6.0"
+  },
+  "engines": {
+    "node": ">= 12.16.1",
+    "npm": ">= 6.13.4"
+  },
+  "lint-staged": {
+    "**/*.{md,json,js,ts,tsx,css,scss,yml,yaml,java}": [
+      "prettier --write",
+      "git add"
+    ]
+  },
+  "scripts": {
+    "prettier:java": "prettier --write \"**/*.java\" --plugin=./node_modules/prettier-plugin-java",
+    "prettier:java:watch": "onchange '**/*.java' -- prettier --write {{changed}} --plugin=./node_modules/prettier-plugin-java",
+    "prettier:java:check": "prettier --check \"**/*.java\" --plugin=./node_modules/prettier-plugin-java"
+  }
+}

romanNumerals/src/main/java/fr/ippon/kata/roman/Numerals.java

@@ -4,11 +4,9 @@ import java.util.NavigableMap;
 import java.util.TreeMap;
 
 public final class Numerals {
-
   private static final NavigableMap<Integer, Roman> CONVERSIONS = buildConversions();
 
-  private Numerals() {
-  }
+  private Numerals() {}
 
   public static String toRoman(int arabic) {
     if (arabic <= 0) {
@@ -17,11 +15,9 @@ public final class Numerals {
 
     Integer highestKnownConversion = CONVERSIONS.floorKey(arabic);
 
-    String highestKnownRepresentation = CONVERSIONS.get(highestKnownConversion)
-        .getRepresentation();
+    String highestKnownRepresentation = CONVERSIONS.get(highestKnownConversion).getRepresentation();
 
-    return highestKnownRepresentation
-        + toRoman(arabic - highestKnownConversion);
+    return (highestKnownRepresentation + toRoman(arabic - highestKnownConversion));
   }
 
   private static NavigableMap<Integer, Roman> buildConversions() {
@@ -34,6 +30,5 @@ public final class Numerals {
     conversions.put(10, Roman.TEN);
 
     return conversions;
-
   }
 }

romanNumerals/src/main/java/fr/ippon/kata/roman/Roman.java

 package fr.ippon.kata.roman;
 
 public enum Roman {
-    ONE("I"),
-    FOUR("IV"),
-    FIVE("V"),
-    NINE("IX"),
-    TEN("X");
+  ONE("I"),
+  FOUR("IV"),
+  FIVE("V"),
+  NINE("IX"),
+  TEN("X");
+  private String representation;
 
-    private String representation;
+  private Roman(String representation) {
+    this.representation = representation;
+  }
 
-    private Roman(String representation) {
-        this.representation = representation;
-    }
-
-
-    public String getRepresentation() {
-        return this.representation;
-    }
+  public String getRepresentation() {
+    return this.representation;
+  }
 }

romanNumerals/src/test/java/fr/ippon/kata/roman/NumeralsTest.java

 package fr.ippon.kata.roman;
 
-import org.junit.jupiter.api.Test;
-
 import static fr.ippon.kata.roman.Numerals.toRoman;
 import static org.assertj.core.api.Assertions.*;
 
+import org.junit.jupiter.api.Test;
+
 class NumeralsTest {
 
   @Test
@@ -51,5 +51,4 @@ class NumeralsTest {
   void shouldConvertFourteenToXIV() {
     assertThat(toRoman(14)).isEqualTo("XIV");
   }
-
-}
\ No newline at end of file
+}

wordWrap/src/main/java/fr/ippon/kata/wrapper/Wrapper.java

 package fr.ippon.kata.wrapper;
 
 public class Wrapper {
-
   private static final String SPACE = " ";
   private static final String BREAK = "\n";
   private int columns;
@@ -28,8 +27,7 @@ public class Wrapper {
 
     int spaceIndex = left.lastIndexOf(SPACE);
     if (spaceIndex != -1) {
-      return join(sentence.substring(0, spaceIndex),
-          sentence.substring(spaceIndex + 1));
+      return join(sentence.substring(0, spaceIndex), sentence.substring(spaceIndex + 1));
     }
 
     return join(left, right);

wordWrap/src/test/java/fr/ippon/kata/wrapper/WrapperTest.java

 package fr.ippon.kata.wrapper;
 
-import org.junit.jupiter.api.Test;
+import static fr.ippon.kata.wrapper.Wrapper.wrap;
+import static org.assertj.core.api.Assertions.*;
 
 import java.util.Arrays;
 import java.util.stream.Collectors;
-
-import static fr.ippon.kata.wrapper.Wrapper.wrap;
-import static org.assertj.core.api.Assertions.*;
+import org.junit.jupiter.api.Test;
 
 class WrapperTest {
 
@@ -32,18 +31,15 @@ class WrapperTest {
 
   @Test
   void shouldWrapAfterWord() {
-    assertThat(wrap("Once upon a time", 9))
-        .isEqualTo(join("Once upon", "a time"));
+    assertThat(wrap("Once upon a time", 9)).isEqualTo(join("Once upon", "a time"));
   }
 
   @Test
   void shouldWrapBetweenWords() {
-    assertThat(wrap("Once upon a time in Hollywood", 13))
-        .isEqualTo(join("Once upon a", "time in", "Hollywood"));
+    assertThat(wrap("Once upon a time in Hollywood", 13)).isEqualTo(join("Once upon a", "time in", "Hollywood"));
   }
 
   private static String join(String... parts) {
     return Arrays.stream(parts).collect(Collectors.joining("\n"));
   }
-
-}
\ No newline at end of file
+}