palantir/blueprint

Feature request: Ability to reverse the up/down buttons on NumericInput

Open

#4,706 opened on May 8, 2021

View on GitHub
 (0 comments) (0 reactions) (0 assignees)TypeScript (20,263 stars) (2,167 forks)batch import
P2Package: coreType: feature requesthelp wanted

Description

I'm trying to use NumericInput to allow users to page through a long document. For paging, the natural order of the up/down buttons is the opposite of the way the control works (up button should be previous page, down button should be next page). I tried to achieve this by using a negative stepSize, but that causes an error.

Edit: This change should also apply to using the up/down arrow keys when focus is on the value input box. Up arrow should decrement, down arrow should increment.

image

Contributor guide

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.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
familiarity with Blueprint's NumericInput componentReactTypeScriptbasic understanding of component props
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55
Research direction
Investigate the NumericInput component in the Blueprint codebase (likely packages/core/src/components/numeric input). Review how the up/down buttons and keyboard arrow handlers are implemented. Consider adding a new prop such as 'reverseDirection' that swaps the increment and decrement behavior. Ensure the change aligns with existing prop patterns and includes appropriate unit tests. No linked PRs or comments indicate prior work.