Accept path to model or a TF IOHandler

Author: Morgan Laco

src/index.ts

@@ -35,25 +35,36 @@ export async function load(base = BASE_PATH, options = { size: IMAGE_SIZE }) {
   return nsfwnet
 }
 
+interface IOHandler {
+  load: () => any
+}
+
 export class NSFWJS {
   public endpoints: string[]
 
   private options: nsfwjsOptions
-  private path: string
+  private pathOrIOHandler: string
   private model: tf.LayersModel
   private intermediateModels: { [layerName: string]: tf.LayersModel } = {}
 
   private normalizationOffset: tf.Scalar
 
-  constructor(base: string, options: nsfwjsOptions) {
+  constructor(
+    modelPathBaseOrIOHandler: string | IOHandler,
+    options: nsfwjsOptions
+  ) {
     this.options = options
-    this.path = `${base}model.json`
     this.normalizationOffset = tf.scalar(255)
+
+    if (typeof modelPathBaseOrIOHandler === 'string') {
+      this.pathOrIOHandler = `${modelPathBaseOrIOHandler}model.json`
+    } else {
+    }
   }
 
   async load() {
     // this is a Layers Model
-    this.model = await tf.loadLayersModel(this.path)
+    this.model = await tf.loadLayersModel(this.pathOrIOHandler)
     this.endpoints = this.model.layers.map(l => l.name)
     const { size } = this.options