Consider expanding list of available timezones to all those supported by `Intl` browser API · palantir/blueprint#6305

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P2Package: datetimeType: feature requesthelp wanted

描述

Environment

Package version(s): @blueprintjs/datetime 5.0.7
Browser and OS versions: Chrome 114, macOS

Feature request

We should consider expanding the list of timezones available in <TimezoneSelect>. We could enable an option which supports all the timezones available using the Intl browser API. For example, Intl.suppportedValuesOf(“timeZone”) returns 429 entries in my browser. This is more items than the default list of timezones currently used by the component (250 items).

This feature could (in theory) exist in date-fns-tz, it has been requested but not implemented yet: https://github.com/marnusw/date-fns-tz/issues/232

Motivation

This feature is motivated by user requests to see timezones like America/Indiana/Indianapolis in a TimezoneSelect dropdown. We don't want to expose users to a very long list of timezones by default, but it would be nice make it an available option for certain use cases.

貢獻者指南

技術棧: typescriptreact
領域: frontend
議題類型: feature
難度: 2
預計時間: 1-3 hours
活動狀態: stale
清晰度: clear
前置要求: Basic ReactTypeScriptBlueprint component usage
新手友善度: 65
研究方向: Review the current timezone list in packages/datetime/src/common/timezoneItems.ts (lines 25-275). Investigate using `Intl.supportedValuesOf('timeZone')` to get all timezones. Consider adding a prop like `allTimezones` to TimezoneSelect. Evaluate performance with 429 items and filtering. See also date fns tz issue #232 for prior discussion.