feat(magic): suggest OCR on image inputs (Magic)

ialejandrozalles · ialejandrozalles · commit de2a83c0a077 · 2025-10-13T09:47:44.000-04:00
- Add Magic checks to Optical Character Recognition to detect common image formats via magic bytes
- Provide default args (show confidence, LSTM engine) when auto-suggested

Authored-by: Izai Alejandro Zalles Merino &lt;zallesrene@gmail.com&gt;
diff --git a/src/core/operations/OpticalCharacterRecognition.mjs b/src/core/operations/OpticalCharacterRecognition.mjs
@@ -46,6 +46,13 @@ class OpticalCharacterRecognition extends Operation {
                 defaultIndex: 1
             }
         ];
+        this.checks = [
+            {
+                pattern: "^(?:\xff\xd8\xff|\x89\x50\x4e\x47|\x47\x49\x46|.{8}\x57\x45\x42\x50|\x42\x4d)",
+                args: [true, "LSTM only"],
+                useful: true
+            }
+        ];
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -46,6 +46,13 @@ class OpticalCharacterRecognition extends Operation {`
`46`	`46`	`defaultIndex: 1`
`47`	`47`	`}`
`48`	`48`	`];`
	`49`	`+ this.checks = [`
	`50`	`+ {`
	`51`	`+ pattern: "^(?:\xff\xd8\xff\|\x89\x50\x4e\x47\|\x47\x49\x46\|.{8}\x57\x45\x42\x50\|\x42\x4d)",`
	`52`	`+ args: [true, "LSTM only"],`
	`53`	`+ useful: true`
	`54`	`+ }`
	`55`	`+ ];`
`49`	`56`	`}`
`50`	`57`
`51`	`58`	`/**`