rollup config improvements

packages/icons-preact/rollup.config.mjs

@@ -1,64 +1,33 @@
 import fs from 'fs'
-import { getRollupPlugins } from '../../.build/rollup-plugins.mjs'
+import { getRollupConfig } from '../../.build/rollup-plugins.mjs'
 import dts from "rollup-plugin-dts";
 
 const pkg = JSON.parse(fs.readFileSync('package.json', 'utf-8'))
 
-const packageName = '@tabler/icons-preact';
 const outputFileName = 'tabler-icons-preact';
-const outputDir = 'dist';
 const inputs = ['./src/tabler-icons-preact.ts'];
 const bundles = [
   {
     format: 'umd',
     inputs,
-    outputDir,
     minify: true,
   },
   {
     format: 'umd',
     inputs,
-    outputDir,
   },
   {
     format: 'cjs',
     inputs,
-    outputDir,
   },
   {
     format: 'esm',
     inputs,
-    outputDir,
     preserveModules: true,
+    extension: 'mjs',
   },
 ];
 
-const configs = bundles
-  .map(({ inputs, outputDir, format, minify, preserveModules }) =>
-    inputs.map(input => ({
-      input,
-      plugins: getRollupPlugins(pkg, minify),
-      external: ['preact'],
-      output: {
-        name: packageName,
-        ...(preserveModules
-          ? {
-            dir: `${outputDir}/${format}`,
-          }
-          : {
-            file: `${outputDir}/${format}/${outputFileName}${minify ? '.min' : ''}.js`,
-          }),
-        preserveModules,
-        format,
-        sourcemap: true,
-        globals: {
-          preact: 'preact'
-        },
-      },
-    })),
-  )
-  .flat();
-
 export default [
   {
     input: inputs[0],
@@ -67,5 +36,7 @@ export default [
     }],
     plugins: [dts()],
   },
-  ...configs
+  ...getRollupConfig(pkg, outputFileName, bundles, {
+    preact: 'preact'
+  })
 ];