lesson-19

iamshaunjp · iamshaunjp · commit 6baa7661fe62 · 2020-03-17T14:08:10.000Z
diff --git a/public/app.js b/public/app.js
@@ -22,30 +22,24 @@ form.addEventListener('submit', (e) => {
     }
     list.render(doc, type.value, 'end');
 });
-// GENERICS
-// const addUID = (obj: object) => {
-//   let uid = Math.floor(Math.random() * 100);
-//   return {...obj, uid};
-// }
-// const addUID = <T extends object>(obj: T) => {
-//   let uid = Math.floor(Math.random() * 100);
-//   return {...obj, uid};
-// }
-const addUID = (obj) => {
-    let uid = Math.floor(Math.random() * 100);
-    return Object.assign(Object.assign({}, obj), { uid });
-};
-let docOne = addUID({ name: 'yoshi', age: 40 });
-//let docTwo = addUID('shaun');
-console.log(docOne.name);
-const docThree = {
+// ENUMS
+var ResourceType;
+(function (ResourceType) {
+    ResourceType[ResourceType["BOOK"] = 0] = "BOOK";
+    ResourceType[ResourceType["AUTHOR"] = 1] = "AUTHOR";
+    ResourceType[ResourceType["FILM"] = 2] = "FILM";
+    ResourceType[ResourceType["DIRECTOR"] = 3] = "DIRECTOR";
+})(ResourceType || (ResourceType = {}));
+;
+const docOne = {
     uid: 1,
-    resourceName: 'person',
-    data: { name: 'shaun' }
+    resourceType: ResourceType.BOOK,
+    data: { title: 'name of the wind' }
 };
-const docFour = {
-    uid: 1,
-    resourceName: 'shoppingList',
-    data: ['bread', 'milk']
+const docTwo = {
+    uid: 10,
+    resourceType: ResourceType.DIRECTOR,
+    data: { title: 'name of the wind' }
 };
-console.log(docThree, docFour);
+console.log(docOne);
+console.log(docTwo);
diff --git a/src/app.ts b/src/app.ts
@@ -29,45 +29,26 @@ form.addEventListener('submit', (e: Event) => {
   list.render(doc, type.value, 'end');
 });
 
-// GENERICS
+// ENUMS
 
-// const addUID = (obj: object) => {
-//   let uid = Math.floor(Math.random() * 100);
-//   return {...obj, uid};
-// }
+enum ResourceType { BOOK, AUTHOR, FILM, DIRECTOR };
 
-// const addUID = <T extends object>(obj: T) => {
-//   let uid = Math.floor(Math.random() * 100);
-//   return {...obj, uid};
-// }
-
-const addUID = <T extends {name: string}>(obj: T) => {
-  let uid = Math.floor(Math.random() * 100);
-  return {...obj, uid};
-}
-
-let docOne = addUID({name: 'yoshi', age: 40});
-//let docTwo = addUID('shaun');
-
-console.log(docOne.name);
-
-// with interfaces
 interface Resource<T> {
   uid: number;
-  resourceName: string;
+  resourceType: ResourceType;
   data: T;
 }
 
-const docThree: Resource<object> = {
-  uid: 1, 
-  resourceName: 'person', 
-  data: { name: 'shaun' }
-};
-
-const docFour: Resource<string[]> = {
-  uid: 1, 
-  resourceName: 'shoppingList', 
-  data: ['bread', 'milk']
-};
+const docOne: Resource<object> = {
+  uid: 1,
+  resourceType: ResourceType.BOOK,
+  data: { title: 'name of the wind' }
+}
+const docTwo: Resource<object> = {
+  uid: 10,
+  resourceType: ResourceType.DIRECTOR,
+  data: { title: 'name of the wind' }
+}
 
-console.log(docThree, docFour);
+console.log(docOne);
+console.log(docTwo);
