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author | Claire <claire.github-309c@sitedethib.com> | 2022-10-11 11:39:52 +0200 |
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committer | Claire <claire.github-309c@sitedethib.com> | 2022-10-11 12:25:45 +0200 |
commit | b75bf336bdb874eb9bbe3cec1a95ee59c2b3b54c (patch) | |
tree | c7921b7390c6b5976f50063a94f2346630c3e5fa /app/javascript/flavours/glitch/performance.js | |
parent | 2535ec4fcb6247199a5746db1119d3dabed9d559 (diff) |
Move more modules from flavours/glitch/utils to flavours/glitch
Diffstat (limited to 'app/javascript/flavours/glitch/performance.js')
-rw-r--r-- | app/javascript/flavours/glitch/performance.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/performance.js b/app/javascript/flavours/glitch/performance.js new file mode 100644 index 000000000..450a90626 --- /dev/null +++ b/app/javascript/flavours/glitch/performance.js @@ -0,0 +1,31 @@ +// +// Tools for performance debugging, only enabled in development mode. +// Open up Chrome Dev Tools, then Timeline, then User Timing to see output. +// Also see config/webpack/loaders/mark.js for the webpack loader marks. +// + +let marky; + +if (process.env.NODE_ENV === 'development') { + if (typeof performance !== 'undefined' && performance.setResourceTimingBufferSize) { + // Increase Firefox's performance entry limit; otherwise it's capped to 150. + // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1331135 + performance.setResourceTimingBufferSize(Infinity); + } + marky = require('marky'); + // allows us to easily do e.g. ReactPerf.printWasted() while debugging + //window.ReactPerf = require('react-addons-perf'); + //window.ReactPerf.start(); +} + +export function start(name) { + if (process.env.NODE_ENV === 'development') { + marky.mark(name); + } +} + +export function stop(name) { + if (process.env.NODE_ENV === 'development') { + marky.stop(name); + } +} |