David Taylor d09f283e91
PERF: Move highlightjs to a background worker, and add result cache (#10191)
Syntax highlighting is a CPU-intensive process which we run a lot while rendering posts and while using the composer preview. Moving it to a background worker releases the main thread to the browser, which makes the UX much smoother.
2020-07-15 12:48:07 +01:00
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2020-05-25 14:51:01 +02:00