Threshold for treating output as a file is now configurable

src/core/Chef.js

@@ -78,8 +78,9 @@ Chef.prototype.bake = async function(input, recipeConfig, options, progress, ste
 
     // Depending on the size of the output, we may send it back as a string or an ArrayBuffer.
     // This can prevent unnecessary casting as an ArrayBuffer can be easily downloaded as a file.
-    // 1048576 bytes = 1 MiB
-    const returnType = this.dish.size() > 1048576 ? Dish.ARRAY_BUFFER : Dish.STRING;
+    // The threshold is specified in KiB.
+    const threshold = (options.outputFileThreshold || 1024) * 1024;
+    const returnType = this.dish.size() > threshold ? Dish.ARRAY_BUFFER : Dish.STRING;
 
     return {
         result: this.dish.type === Dish.HTML ?

src/web/html/index.html

@@ -368,6 +368,10 @@
                             <input type="number" option="errorTimeout" id="errorTimeout" />
                             <label for="errorTimeout"> Operation error timeout in ms (0 for never)</label>
                         </div>
+                        <div class="option-item">
+                            <input type="number" option="outputFileThreshold" id="outputFileThreshold" />
+                            <label for="outputFileThreshold"> Size threshold for treating the output as a file (KiB)</label>
+                        </div>
                     </div>
                     <div class="modal-footer">
                         <button type="button" class="btn btn-default" id="reset-options">Reset options to default</button>

src/web/index.js

@@ -46,7 +46,8 @@ function main() {
         errorTimeout:        4000,
         attemptHighlight:    true,
         theme:               "classic",
-        useMetaKey:        false
+        useMetaKey:          false,
+        outputFileThreshold: 1024
     };
 
     document.removeEventListener("DOMContentLoaded", main, false);