core(preload): warn when duplicate requests issued #6849
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patrickhulce
requested review from
brendankenny and
paulirish
as code owners
paulirish
approved these changes
Dec 20, 2018
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Summary
We are ignoring URLs to suggest based on what URLs were ever preloaded. This can lead to silent failures where there was a preload request but it wasn't used so the request was reissued. This adds a warning a-la #6694
Related Issues/PRs
ref #6417