Injection happen after page load

[tien]

Since injection happen asynchronously after the page have loaded, if you try to detect whether PJS is installed too early, it might appeared that the extension is not installed.

[Tbaut]

I noticed it too, and actually had a really nasty piece of code waiting for a sec or 2 before checking again when I handled the connection myself. I've had a user tell me the same on Multix while using dot-connect. I believe it's safer for pjs extension to do so, and I guess dot-connect could probably poll for a couple seconds.

[tien]

Yeah, polling or delaying is an easy fix. But ideally this should be fixed on PJS extension side, since this is an unexpected behaviour that is unique to PJS extension.

[Tbaut]

I guess it comes from there:

extension/packages/extension-dapp/src/util.ts

Line 6 in 0d48a30

if (document.readyState === 'complete') {

it waits for the document to be in "complete" state. I wonder if we should have document.readyState === "loading".
In early code we were injecting in either state complete or interactive, now it rang a bell, and I do recall we had issues explaining why we went for the safer side, I found the comment: #507 (comment)

[polkadot-js-bot]

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