Replace node assert with normal error handling

CHANGELOG.md

@@ -4,6 +4,7 @@
 ### ✨ Features and improvements
 
 - *...Add new stuff here...*
+- Improved error handling ([#1485](https://github.com/maplibre/maplibre-gl-js/pull/1485))
 - 
 ### 🐞 Bug fixes
 

build/generate-struct-arrays.ts

@@ -409,7 +409,6 @@ export class ${structArrayClass} extends ${structArrayLayoutClass} {`);
      * @private
      */
     get(index: number): ${structTypeClass} {
-        assert(!this.isTransferred);
         return new ${structTypeClass}(this, index);
     }`);
     }
@@ -425,7 +424,6 @@ register('${structArrayClass}', ${structArrayClass});
 fs.writeFileSync('src/data/array_types.g.ts',
     `// This file is generated. Edit build/generate-struct-arrays.ts, then run \`npm run codegen\`.
 
-import assert from 'assert';
 import {Struct, StructArray} from '../util/struct_array';
 import {register} from '../util/web_worker_transfer';
 import Point from '@mapbox/point-geometry';

build/rollup_plugins.ts

@@ -3,7 +3,6 @@ import typescript from '@rollup/plugin-typescript';
 import resolve from '@rollup/plugin-node-resolve';
 import replace from '@rollup/plugin-replace';
 import commonjs from '@rollup/plugin-commonjs';
-import unassert from 'unassert-rollup-plugin';
 import json from '@rollup/plugin-json';
 import {terser} from 'rollup-plugin-terser';
 import minifyStyleSpec from './rollup_plugin_minify_style_spec';
@@ -43,9 +42,6 @@ export const plugins = (production: boolean): Plugin[] => [
             passes: 3
         }
     }),
-    production && unassert({
-        include: ['**/*'], // by default, unassert only includes .js files
-    }),
     nodeResolve,
     typescript(),
     commonjs({