change to typescript

Author: fayfang

.babelrc

@@ -1,2 +1,17 @@
 # indexDBP
-indexDB Promise Api, similiar to mongoDB api
+indexDBP is a simple way to use indexDB in browsers, base on Promise, similiar to mongoDB api.
+
+```npm install indexdb-p``` 
+
+#### Database Operation
+
+
+#### Collection Operation
+
+
+#### Document Operation
+
+
+#### Other Property
+
+

README.md

@@ -0,0 +1,46 @@
+import IndexDBP from '../dist/indexDBP.js';
+
+(async () => {
+  const mydb = new IndexDBP({
+    name: 'testDB',
+  });
+  await mydb.init();
+  // deleteIndex
+  // if (mydb.containObjectStore('indexObjectStore') && mydb.$db.indexObjectStore.containIndex('time')) {
+  //   await mydb.$db.indexObjectStore.deleteIndex('time')
+  // }
+
+  // create objectStore
+  if (!mydb.containObjectStore('testObjectStore')) {
+    await mydb.createObjectStore('testObjectStore');
+  }
+  if (!mydb.containObjectStore('indexObjectStore')) {
+    await mydb.createObjectStore('indexObjectStore', {keyPath: 'randomId'});
+    await mydb.$db.indexObjectStore.createIndex('time', 'time', {unique: false, multiEntry: false});
+  }
+
+  // delete ObjectStore
+  // if (mydb.containObjectStore('testObjectStore2')) {
+  //   mydb.deleteObjectStore('testObjectStore2');
+  // }
+
+  // insert Data
+  await mydb.$db.testObjectStore.insert({key1: 'hello', key2: 123, key3: true, key4: new Date()});
+  const rand1: number = Math.random();
+  const rand2: number = Math.random();
+  await mydb.$db.indexObjectStore.insert({randomId: rand1, time: new Date('2019/04/03')});
+  await mydb.$db.indexObjectStore.insert({randomId: rand2, time: new Date('2019/04/05')});
+  // find Data
+  const res0 = await mydb.$db.testObjectStore.find(1);
+  const res1 = await mydb.$db.indexObjectStore.find(new Date('2019/04/03'), 'time');
+  const res2 = await mydb.$db.indexObjectStore.find({$lte: rand2 , count: 5});
+  console.log(res0, res1);
+  console.log(res2, rand2);
+  // remove data
+  // let resRemove = await mydb.$db.testObjectStore.remove({$lte: 5});
+  // console.log(resRemove);
+  // update data
+  // let resUpdate = await mydb.$db.testObjectStore.update({$lte: 10}, {test: 222}, {multi: true});
+  const resUpdate = await mydb.$db.testObjectStore.update(1, {test: 222}, {upsert: true});
+  console.log(resUpdate);
+})();