OPTIMIZE build - native async/await (pubkey#4214)

* OPTIMIZE build

* REMOVE more transpilation stuff

* FIX build

* FIX more stuff

Author: pubkey

CHANGELOG.md

@@ -30,6 +30,16 @@
 - ADD typings to the query selector
 - CHANGE start replication via pure functions instead of RxCollection methods.
 - FIX replication does not provide a `._rev` to the storage write when a conflict is resolved.
+- CHANGE to reduce bundle size and improve performance, the following JavaScript features will no longer be transpiled:
+  - [async/await](https://caniuse.com/async-functions)
+  - [Arrow functions](https://caniuse.com/arrow-functions)
+  - [for...of](https://caniuse.com/?search=for...of)
+  - [shorthand properties](https://caniuse.com/mdn-javascript_operators_object_initializer_shorthand_property_names)
+  - [Spread operator](https://caniuse.com/?search=spread%20operator)
+  - [destructuring](https://caniuse.com/?search=destructuring)
+  - [default parameters](https://caniuse.com/?search=default%20parameters)
+  - [object spread](https://caniuse.com/?search=Object%20spread)
+
 
 <!-- /CHANGELOG NEWEST -->
 

babel.config.js

@@ -5,38 +5,17 @@ const plugins = [
         'loose': true
     }],
     '@babel/transform-literals',
-    '@babel/transform-function-name',
-    '@babel/transform-arrow-functions',
     '@babel/transform-block-scoped-functions',
     ['@babel/plugin-transform-classes', {
         'loose': true
     }],
-    '@babel/transform-object-super',
-    '@babel/transform-shorthand-properties',
-    ['@babel/transform-computed-properties', {
-        'loose': true
-    }],
-    ['@babel/transform-for-of', {
-        'loose': true
-    }],
     '@babel/transform-sticky-regex',
     '@babel/transform-unicode-regex',
-    ['@babel/transform-spread', {
-        'loose': true
-    }],
-    '@babel/transform-parameters', ['@babel/transform-destructuring', {
-        'loose': true
-    }],
     '@babel/transform-block-scoping',
-    '@babel/plugin-transform-member-expression-literals',
-    '@babel/transform-property-literals',
-    '@babel/transform-async-to-generator',
-    '@babel/transform-regenerator',
     ['@babel/transform-runtime', {
         'regenerator': true
     }],
-    '@babel/proposal-class-properties',
-    '@babel/proposal-object-rest-spread'
+    '@babel/proposal-class-properties'
 ];
 
 let presets = [
@@ -58,11 +37,10 @@ if (process.env['NODE_ENV'] === 'es5') {
             {
                 loose: true,
                 targets: {
-                    edge: '17',
-                    firefox: '60',
-                    chrome: '67',
-                    safari: '11.1',
-                    ie: '11'
+                    edge: '107',
+                    firefox: '107',
+                    chrome: '108',
+                    safari: '16.2'
                 },
                 useBuiltIns: false
             }]

package.json

@@ -525,4 +525,4 @@
     "webpack-dev-server": "4.11.1",
     "wrtc": "0.4.7"
   }
-}
+}

src/rx-query-helper.ts

@@ -88,7 +88,9 @@ export function normalizeMangoQuery<RxDocType>(
          * which has a bad performance in most cases.
          */
         if (normalizedMangoQuery.index) {
-            normalizedMangoQuery.sort = normalizedMangoQuery.index.map((field: string) => ({ [field as any]: 'asc' } as any));
+            normalizedMangoQuery.sort = normalizedMangoQuery.index.map((field: string) => {
+                return { [field as any]: 'asc' } as any;
+            });
         } else {
             /**
              * Find the index that best matches the fields with the logical operators
@@ -122,7 +124,9 @@ export function normalizeMangoQuery<RxDocType>(
                     }
                 });
                 if (currentBestIndexForSort) {
-                    normalizedMangoQuery.sort = currentBestIndexForSort.map((field: string) => ({ [field as any]: 'asc' } as any));
+                    normalizedMangoQuery.sort = currentBestIndexForSort.map((field: string) => {
+                        return { [field as any]: 'asc' } as any;
+                    });
                 }
 
             }