add configuration options

src/index.js

@@ -1,14 +1,17 @@
 import fs from 'node:fs/promises'
 
-export const wgsl = () => ({
-    name: 'esbuild-plugin-wgsl',
-    setup(build) {
-        build.onLoad({ filter: /\.wgsl$/ }, async args => {
-            const contents = await fs.readFile(args.path, 'utf8')
+export const wgsl = ({ filterWith, filterExtension }) => ({
+  name: 'esbuild-plugin-wgsl',
+  setup(build) {
+    const filter = filterExtension || true ? /\.wgsl$/ : /.*/
+    build.onLoad({ filter }, async args => {
+      if (!filterWith || args.filter.with === 'wgsl') {
+        const contents = await fs.readFile(args.path, 'utf8')
 
-            return { contents }
-        })
-    }
+        return { contents, loader: 'text' }
+      }
+    })
+  }
 })
 
 export default wgsl