fix: array.find to array.filter

package.json

@@ -7,8 +7,8 @@
   "scripts": {
     "test": "jest --coverage",
     "start:dev": "webpack-dev-server",
-    "build": "rm -rf build && tsc && cp -r src/lib/*.js build/lib/",
     "demo": "rm -rf demo/js && webpack",
+    "build": "rm -rf build && tsc && cp -r src/lib/*.js build/lib/",
     "allready": "npm run test && npm run build && npm run demo",
     "publish:beta": "npm run allready && standard-version --prerelease beta && npm publish --tag beta",
     "publish:prod": "npm run allready && standard-version && git push --follow-tags origin master && npm publish"
@@ -29,8 +29,11 @@
   },
   "homepage": "https://github.com/sylvia1106/idb-managed#readme",
   "devDependencies": {
+    "@babel/cli": "^7.7.0",
+    "@babel/plugin-proposal-class-properties": "^7.7.0",
     "@babel/plugin-transform-runtime": "^7.6.2",
     "@babel/preset-env": "^7.7.0",
+    "@babel/preset-typescript": "^7.7.0",
     "@babel/runtime": "^7.7.0",
     "@babel/runtime-corejs2": "^7.7.1",
     "@babel/runtime-corejs3": "^7.7.0",

src/index.ts

@@ -92,9 +92,7 @@ function customDBAddItemsParamChecker(
             "item's itemDuration",
             OPTIONAL
         );
-        const theTable = tableListInDB.find(
-            table => table.tableName === itemOfTable.tableName
-        );
+        const theTable = tableListInDB.filter(table => table.tableName === itemOfTable.tableName)[0];
         if (!theTable) {
             throw `Table ${itemOfTable.tableName} does not exist`;
         } else if (

webpack.config.js

@@ -5,11 +5,14 @@ const DEMO_PATH = './demo';
 const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
     .BundleAnalyzerPlugin;
 const babelOptions = {
-    presets: [['@babel/preset-env', {
-                'exclude': [
-                    '@babel/plugin-transform-typeof-symbol',
-                ]
-            }]],
+    presets: [
+        [
+            '@babel/preset-env',
+            {
+                exclude: ['@babel/plugin-transform-typeof-symbol']
+            }
+        ]
+    ],
     plugins: [['@babel/plugin-transform-runtime', { corejs: 3 }]]
 };
 module.exports = [