refactor: Move getNode/canEnableFFmpegOptimizations into a lazy loaded call
#9918
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… the first time it's actually ever referenced
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⚡️ Lighthouse report for the changes in this PR:
Lighthouse ran on https://discord-js-git-fork-jmtk-main-discordjs.vercel.app/ |
Codecov Report
@@ Coverage Diff @@
## main #9918 +/- ##
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- Coverage 60.22% 60.05% -0.18%
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Files 235 235
Lines 16114 16028 -86
Branches 1231 1216 -15
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- Hits 9705 9625 -80
+ Misses 6365 6359 -6
Partials 44 44
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Jiralite
changed the title
getNode/canEnableFFmpegOptimizations into a lazy loaded callgetNode/canEnableFFmpegOptimizations into a lazy loaded call
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Alternative idea, what if we make NODES nullable and initialize using nullish assignment?
Similar to:
const node = (NODES ??= initializeNodes()).get(type);(Or splitting the expression in two lines). Obviously this change would make initializeNodes() return a newly constructed map.
The reasoning behind this idea is so NODES, being null rather than an empty map guards against the possible edge case of using an unitialized map elsewhere.
It would also remove the need for an extra variable and extra operations.
…ODES, this removes an extra variable and cleans up the code
Co-authored-by: Aura Román <kyradiscord@gmail.com>
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Done! Didn't realize that space was still there |
Please describe the changes this PR makes and why it should be merged:
Lazy calls the functions in the root of
TransformerGraph.ts, which are called the first time the file is imported(which is through any time @discordjs/voice is imported. More importantly, the call tocanEnableFFmpegOptimizations, which is a loop that synchronously spawns child processes is now deferred until the first time you actually attempt to play audio.This improves bot startup time by 100ms for people importing @discordjs/voice:
Before:
After:
I tested this locally and can confirm audio plays correctly and the call is only called then.
Resolves #9859
Status and versioning classification: