Normally I would do it with
await page.evaluateOnNewDocument(my_js_code);
where my_js_code is something like:
Object.defineProperty(HTMLCanvasElement.prototype, "toBlob", ...
But the problem is that after that the code becomes visible
console.log(HTMLCanvasElement.prototype.toBlob.toString());
With the native function the code is not visible, toString returns [native code]
, not the actual code
So, is there a way I can override a function at a deeper level with Pupeteer?
from How to override native function with Puppeteer
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