Podknife - Implicit time zones and the TZ environment variable by Frontend First

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Implicit time zones and the TZ environment variable

Podcast |: Frontend First
Publisher |: Sam Selikoff, Ryan Toronto
Media Type |: audio
Podknife tags |: Design,; Technology,; User Experience,; Web Development
Categories Via RSS |: Technology
Publication Date |: May 11, 2023
Episode Duration |: 00:46:17

Sam shares some recent learnings around hydration mismatches when rendering time zoned dates on the server and the client. He talks about using the TZ environment variable to reproduce the issue locally, and how he solved his problem by avoiding impure format and transformation functions from date-fns.

Topics include:

0:00 - Intro
0:50 - Sever vs. client time zone mismatches, and the TZ environment variable
14:34 - Which date-fns functions are impure?
23:56 - Using intervals and comparison to remove impurities

Links:

fns.org">date-fns
date-fns-tz

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