implement update translation files support

src/assets/i18n/de.json

@@ -0,0 +1,37 @@
+{
+    "APP": {
+        "FRUITS": {
+            "APPLE": "Apfel",
+            "BANANA": "Banane",
+            "CHERRY": "Kirsche"
+        },
+        "ISTOMUCHFRUITS": "❌ Mehr Früchte als im Rezept angegeben sind!",
+        "LABELLEVEL": " von ",
+        "LABELRESET": "Zurücksetzen",
+        "NEXTBUTTON": "Weiter",
+        "OUTPUT": "Es gab einen Fehler mit deinem Code. Bitte mit F12 die Ausgabe in der Console überprüfen.",
+        "RECIPETITLE": "Rezept",
+        "STARTBUTTON": "Start"
+    },
+    "EXERCISES": {
+        "DISTINCT": {
+            "RECIPEDESCRIPTION": "Es soll jede Frucht nur einmal gemixt werden. (Hinweis: Verwende distinct)"
+        },
+        "EXERCISETITLE": "Übung",
+        "FILTER": {
+            "RECIPEDESCRIPTION": "Es sollen alle frischen Äpfel und Bananen gemixt werden. (Hinweis: Verwende filter)"
+        },
+        "MAP": {
+            "RECIPEDESCRIPTION": "Es sollen alle Äpfel und Bananen vom dreck befreit werden. (Hinweis: Verwende map)"
+        },
+        "SUBSCRIBE": {
+            "RECIPEDESCRIPTION": ""
+        },
+        "SUBSCRIBE-NEXT": {
+            "RECIPEDESCRIPTION": "Es soll jede Frucht gemixt werden. (Hinweis: subscribe mit next)"
+        },
+        "TAKE": {
+            "RECIPEDESCRIPTION": "Es sollen nur zwei Bananen gemixt werden. (Hinweis: Verwende take)"
+        }
+    }
+}

src/assets/i18n/en.json

@@ -0,0 +1,37 @@
+{
+    "APP": {
+        "FRUITS": {
+            "APPLE": "Apple",
+            "BANANA": "Banana",
+            "CHERRY": "Cherry"
+        },
+        "ISTOMUCHFRUITS": "❌ More fruits than specified in the recipe!",
+        "LABELLEVEL": " of ",
+        "LABELRESET": "Reset",
+        "NEXTBUTTON": "Next",
+        "OUTPUT": "There was an error with your code. Please use F12 to check the output in the console.",
+        "RECIPETITLE": "Recipe",
+        "STARTBUTTON": "Play"
+    },
+    "EXERCISES": {
+        "DISTINCT": {
+            "RECIPEDESCRIPTION": "Each fruit should only be mixed once. (Note: use distinct)"
+        },
+        "EXERCISETITLE": "Exercise",
+        "FILTER": {
+            "RECIPEDESCRIPTION": "All fresh apples and bananas should be mixed. (Note: use filter)"
+        },
+        "MAP": {
+            "RECIPEDESCRIPTION": "All apples and bananas should be cleared of dirt. (Note: use map)"
+        },
+        "SUBSCRIBE": {
+            "RECIPEDESCRIPTION": ""
+        },
+        "SUBSCRIBE-NEXT": {
+            "RECIPEDESCRIPTION": "Every fruit should be mixed. (Note: subscribe with next)"
+        },
+        "TAKE": {
+            "RECIPEDESCRIPTION": "Only two bananas should be mixed. (Note: use take)"
+        }
+    }
+}

src/exercise/index.ts

@@ -10,6 +10,7 @@ export function exercise(_options: Options): Rule {
 
     const chainedRule = chain([
       createNewLevelEntry(_options),
+      createNewTranslationEntries(_options),
       createExerciseFiles(_options),
       createCypressIntegrationTest(_options),
       updateAppRoutingModule(_options)
@@ -23,7 +24,7 @@ function detectNewLevelVersion(tree: Tree): number {
   const levelsPath = 'src/app/exercises/levels.json';
   const levels: Level[] = JSON.parse(tree.read(levelsPath)?.toString() || '');
 
-  const lastLevel: Level = [...levels].pop() || { title: '', number: 0, solved: false, urlPath: ''};
+  const lastLevel: Level = [...levels].pop() || { title: '', number: 0, solved: false, urlPath: '' };
   return lastLevel.number + 1 || 1;
 }
 
@@ -46,6 +47,25 @@ function createNewLevelEntry(_options: Options): Rule {
   }
 }
 
+function createNewTranslationEntries(_options: Options): Rule {
+  return (tree: Tree, _context: SchematicContext) => {
+    const i18nPath = 'src/assets/i18n';
+    const subfiles = tree.getDir(i18nPath).subfiles;
+
+    subfiles.forEach(fileName => {
+      const filePath = normalize(i18nPath + '/' + fileName);
+      const translationFile = JSON.parse(tree.read(filePath)?.toString() || '');
+      translationFile.EXERCISES[strings.dasherize(_options.name).toUpperCase()] =  {
+        "RECIPEDESCRIPTION": "lorem ipsum."
+      }
+
+      tree.overwrite(filePath, JSON.stringify(translationFile));
+    });
+
+    return tree;
+  }
+}
+
 function createExerciseFiles(_options: Options): Rule {
   const exercisePath = normalize('src' + '/' + 'app' + '/' + 'exercises' + '/' + _options.name);
   let exerciseFiles = url('./files/exercises/template');

src/spec/index.spec.ts

@@ -12,14 +12,16 @@ describe('rxjs-fruits-schematics - exercise command', () => {
     testTree = Tree.empty();
     testTree.create('./src/app/app-routing.module.ts', fs.readFileSync('./src/spec/stubs/app/app-routing.module.ts', 'utf8'));
     testTree.create('./src/app/exercises/levels.json', fs.readFileSync('./src/spec/stubs/app/exercises/levels.json', 'utf8'));
+    testTree.create('./src/assets/i18n/de.json', fs.readFileSync('./src/spec/stubs/assets/i18n/de.json', 'utf8'));
+    testTree.create('./src/assets/i18n/en.json', fs.readFileSync('./src/spec/stubs/assets/i18n/en.json', 'utf8'));
   });
 
   describe('when creating files', () => {
     it('creates the right number of files.', () => {
       const runner = new SchematicTestRunner('schematics', collectionPath);
       const tree = runner.runSchematic('exercise', { name: 'test' }, testTree);
 
-      expect(tree.files.length).toEqual(9);
+      expect(tree.files.length).toEqual(11);
     });
 
     it('gives files the correct names.', () => {
@@ -35,7 +37,9 @@ describe('rxjs-fruits-schematics - exercise command', () => {
       expect(tree.files[5]).toBe(`/src/app/exercises/${name}/${name}.component.scss`);
       expect(tree.files[6]).toBe(`/src/app/exercises/${name}/${name}.component.ts`);
       expect(tree.files[7]).toBe(`/src/app/exercises/${name}/${name}.module.ts`);
-      expect(tree.files[8]).toBe(`/cypress/integration/07_${name}.spec.ts`);
+      expect(tree.files[8]).toBe(`/src/assets/i18n/de.json`);
+      expect(tree.files[9]).toBe(`/src/assets/i18n/en.json`);
+      expect(tree.files[10]).toBe(`/cypress/integration/07_${name}.spec.ts`);
     });
   });
 
@@ -69,6 +73,22 @@ describe('rxjs-fruits-schematics - exercise command', () => {
         "solved": false
       });
     });
+
+    it('should create a new translation entry in de.json', () => {
+      const runner = new SchematicTestRunner('schematics', collectionPath);
+      const tree = runner.runSchematic('exercise', { name: 'test' }, testTree);
+      const levelsContent = JSON.parse(tree.read('./src/assets/i18n/de.json')?.toString() || '');
+
+      expect(levelsContent.EXERCISES.TEST.RECIPEDESCRIPTION).toEqual("lorem ipsum.");
+    });
+
+    it('should create a new translation entry in en.json', () => {
+      const runner = new SchematicTestRunner('schematics', collectionPath);
+      const tree = runner.runSchematic('exercise', { name: 'test' }, testTree);
+      const levelsContent = JSON.parse(tree.read('./src/assets/i18n/en.json')?.toString() || '');
+
+      expect(levelsContent.EXERCISES.TEST.RECIPEDESCRIPTION).toEqual("lorem ipsum.");
+    });
   });
 });
 

src/spec/stubs/assets/i18n/de.json

@@ -0,0 +1,37 @@
+{
+	"APP": {
+		"FRUITS": {
+			"APPLE": "Apfel",
+			"BANANA": "Banane",
+			"CHERRY": "Kirsche"
+		},
+		"ISTOMUCHFRUITS": "❌ Mehr Früchte als im Rezept angegeben sind!",
+		"LABELLEVEL": " von ",
+		"LABELRESET": "Zurücksetzen",
+		"NEXTBUTTON": "Weiter",
+		"OUTPUT": "Es gab einen Fehler mit deinem Code. Bitte mit F12 die Ausgabe in der Console überprüfen.",
+		"RECIPETITLE": "Rezept",
+		"STARTBUTTON": "Start"
+	},
+	"EXERCISES": {
+		"DISTINCT": {
+			"RECIPEDESCRIPTION": "Es soll jede Frucht nur einmal gemixt werden. (Hinweis: Verwende distinct)"
+		},
+		"EXERCISETITLE": "Übung",
+		"FILTER": {
+			"RECIPEDESCRIPTION": "Es sollen alle frischen Äpfel und Bananen gemixt werden. (Hinweis: Verwende filter)"
+		},
+		"MAP": {
+			"RECIPEDESCRIPTION": "Es sollen alle Äpfel und Bananen vom dreck befreit werden. (Hinweis: Verwende map)"
+		},
+		"SUBSCRIBE": {
+			"RECIPEDESCRIPTION": ""
+		},
+		"SUBSCRIBE-NEXT": {
+			"RECIPEDESCRIPTION": "Es soll jede Frucht gemixt werden. (Hinweis: subscribe mit next)"
+		},
+		"TAKE": {
+			"RECIPEDESCRIPTION": "Es sollen nur zwei Bananen gemixt werden. (Hinweis: Verwende take)"
+		}
+	}
+}

src/spec/stubs/assets/i18n/en.json

@@ -0,0 +1,37 @@
+{
+	"APP": {
+		"FRUITS": {
+			"APPLE": "Apple",
+			"BANANA": "Banana",
+			"CHERRY": "Cherry"
+		},
+		"ISTOMUCHFRUITS": "❌ More fruits than specified in the recipe!",
+		"LABELLEVEL": " of ",
+		"LABELRESET": "Reset",
+		"NEXTBUTTON": "Next",
+		"OUTPUT": "There was an error with your code. Please use F12 to check the output in the console.",
+		"RECIPETITLE": "Recipe",
+		"STARTBUTTON": "Play"
+	},
+	"EXERCISES": {
+		"DISTINCT": {
+			"RECIPEDESCRIPTION": "Each fruit should only be mixed once. (Note: use distinct)"
+		},
+		"EXERCISETITLE": "Exercise",
+		"FILTER": {
+			"RECIPEDESCRIPTION": "All fresh apples and bananas should be mixed. (Note: use filter)"
+		},
+		"MAP": {
+			"RECIPEDESCRIPTION": "All apples and bananas should be cleared of dirt. (Note: use map)"
+		},
+		"SUBSCRIBE": {
+			"RECIPEDESCRIPTION": ""
+		},
+		"SUBSCRIBE-NEXT": {
+			"RECIPEDESCRIPTION": "Every fruit should be mixed. (Note: subscribe with next)"
+		},
+		"TAKE": {
+			"RECIPEDESCRIPTION": "Only two bananas should be mixed. (Note: use take)"
+		}
+	}
+}