Puppeteer-web: Protocol error (Target: getBrowserContexts) not allowed

给你一囗甜甜゛ 提交于 2019-12-08 14:35:27

Ok so it turns out puppeteer can only connect to a browser target and not a page target as per https://github.com/GoogleChrome/puppeteer/issues/4579#issuecomment-511267351

And reading the documentation for the API (which I should have done earlier...) https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#browserwsendpoint states that URL for the browser target is http://${host}:${port}/json/version instead of just /json

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