palantir/blueprint

Support for lazy loading tabs

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#4,669 opened on Apr 22, 2021

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P2Package: coreType: feature requesthelp wanted

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Description

There is support for renderActiveTabPanelOnly but not something in between: Do not unmount any tabs, but only mount tabs after they are clicked on instead of all at initial load.

This is the default behavior in some libraries (eg. https://ant.design/components/tabs/, it can still overwrite default behavior with forceRender prop).

Contributor guide

Research direction
Review the current Tab component implementation and the renderActiveTabPanelOnly prop. Implement a new prop like lazyLoad to mount tabs only when first selected.
Tech stack
typescriptreact
Domain
frontend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
React
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70