#2654 - Improve WASM loading performance

- added two ketcher-standalone builds: with base64 indigo wasm and with separate wasm file

Author: rrodionov91

example/config/webpack.config.js

@@ -7,6 +7,7 @@ const {
 const webpack = require('webpack');
 const HtmlReplaceWebpackPlugin = require('html-replace-webpack-plugin');
 const GitRevisionPlugin = require('git-revision-webpack-plugin');
+const CopyPlugin = require('copy-webpack-plugin');
 
 const gitRevisionPlugin = new GitRevisionPlugin();
 const applicationVersion = gitRevisionPlugin.version().split('-')[0];
@@ -35,6 +36,16 @@ module.exports = override(
       },
     ]),
   ),
+  addWebpackPlugin(
+    new CopyPlugin({
+      patterns: [
+        {
+          from: '../node_modules/ketcher-standalone/**/*.wasm',
+          to: '[name][ext]',
+        },
+      ],
+    }),
+  ),
 );
 
 module.exports.envVariables = envVariables;

example/package.json

@@ -56,6 +56,7 @@
     "@types/react-dom": "^18.0.8",
     "@vitejs/plugin-react": "^4.0.0",
     "@welldone-software/why-did-you-render": "^4.3.1",
+    "copy-webpack-plugin": "^12.0.2",
     "cross-env": "^7.0.3",
     "customize-cra": "^1.0.0",
     "eslint": "^8.44.0",

package-lock.json

@@ -29,7 +29,7 @@
     "node": ">=14"
   },
   "scripts": {
-    "build": "cross-env NODE_ENV=production rollup -c -m true",
+    "build": "cross-env NODE_ENV=production rollup -c -m true && cross-env NODE_ENV=production BINARY_WASM=true rollup -c -m true",
     "start": "cross-env NODE_ENV=development rollup -c -m true -w",
     "test": "run-s test:prettier test:eslint:quiet test:types test:unit",
     "test:eslint": "eslint . --ext .ts,.js",
@@ -50,9 +50,10 @@
     "@babel/plugin-transform-runtime": "^7.17.0",
     "@babel/preset-env": "^7.16.11",
     "@babel/preset-typescript": "^7.16.7",
+    "@rollup/plugin-alias": "^3.1.9",
     "@rollup/plugin-babel": "^5.2.1",
     "@rollup/plugin-commonjs": "^16.0.0",
-    "@rollup/plugin-node-resolve": "^10.0.0",
+    "@rollup/plugin-node-resolve": "^15.2.3",
     "@rollup/plugin-strip": "^2.0.0",
     "@types/jest": "^27.0.3",
     "@types/node": "^16.11.12",
@@ -74,5 +75,15 @@
   },
   "files": [
     "dist"
-  ]
+  ],
+  "exports": {
+    ".": {
+      "import": "./dist/index.modern.js",
+      "require": "./dist/index.js"
+    },
+    "./dist/binaryWasm": {
+      "import": "./dist/binaryWasm/index.modern.js",
+      "require": "./dist/binaryWasm/index.js"
+    }
+  }
 }