performance: emit timeOrigin w/ polyfill #26485
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jridgewell
requested changes
Jan 27, 2020
| this.tickDelta( | ||
| 'timeOrigin', | ||
| this.win.performance.timeOrigin || | ||
| this.win.performance.timing.navigationStart |
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I think we also need to make all our initTime_'s relative to timeOrigin, too. Or, we can just emit a timeOrigin tick using initTime.
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You are right, but it doesn't need to happen in this PR. We are already inconsistent and this PR leaves us at the same level of inconsistency.
- browser given deltas are all relative to
timeOrigin - v0 calculated deltas (e.g. 'pc', 'ol', etc.) are relative to
initTime_
This PR doesn't change that inconsistency, although I do agree that we should fix it as part of #16042
jridgewell
approved these changes
Jan 27, 2020
westonruter
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to westonruter/amphtml
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this pull request
Jan 28, 2020
…frame-pymjs-support * 'master' of github.com:ampproject/amphtml: (436 commits) 🐛Add computed styles to fake win (ampproject#26514) 📦 Update dependency eslint-config-prettier to v6.10.0 (ampproject#26518) 🐛 Rewrite relative urls in the bookend (ampproject#26490) ✨ [amp-list] Introduce "amp-state:" as a usable protocol for the src attribute. (ampproject#26284) Add terminal newline to files.txt (ampproject#26513) 📦 Update dependency chromedriver to v79.0.2 (ampproject#26515) ♻️ Change the opt-in cookie values to reflect upcoming CDN changes (ampproject#26489) ♻️<amp-next-page> v2 minor renaming and fixes (ampproject#26468) fix link (ampproject#26508) amp-list: fix broken test re. missing layout (ampproject#26509) performance: emit timeOrigin w/ polyfill (ampproject#26485) Position n+1 story desktop page before positioning attributes are set. (ampproject#26488) ✨amp-nested-menu: allow svg into (ampproject#26502) Log user warning when missing URL arg for shadow doc (ampproject#26290) 📦 Update dependency puppeteer to v2.1.0 (ampproject#26501) Ensure that fluid slots hidden by media queries do not issue ad requests. (ampproject#26352) 📦 Update dependency mocha to v7.0.1 (ampproject#26495) 📦 Update dependency fetch-mock to v8.3.2 (ampproject#26491) Revert 'Move mutator implementations out to a standalone service' (ampproject#26479) Fix syntax error (ampproject#26481) ...
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summary
Fixes:
b/137215986by emittingperformance.timeOrigintick event when the messaging channel is ready. Technically I could also have added this tick to the contructor since it would be queued until msr, but that would have required updating 23 tests.