fix(Tooltip): wrap unbreakable content - #1346
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Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Fixes CUB-4036.
Problem
Tooltipcaps its width atmin(36x, 100dvw - 4x)withmax-width: max-content, but never allowed a break inside a word. A run with no spaces — a URL, a token, an identifier, an error string — stayed on one line and spilled straight out of the bubble.Measured with
pnpm probe:browseron a 106-character identifier: the content box was 304px wide while its text ran 673.8px — ~370px of overflow.Fix
overflow-wrap: anywhereon the tooltip root. Same propertyPrismCodealready uses for its wrapped mode. It inherits, so tooltip children wrap too.After the fix, the same case measures 287.9px of text inside a 288px content box (3 lines). Short tooltips are unchanged — they still shrink to
max-content(66px for"Short tip").Changes
Tooltip.tsx—overflowWrap: 'anywhere'Tooltip.stories.tsx—UnbreakableContentstory with aplayfunction, so Chromatic captures the open tooltipTooltip.docs.mdx— "Long Content" section documenting the width cap and the mid-word breakpnpm test: 2093 passed, 1 skipped.🤖 Generated with Claude Code
Note
Low Risk
CSS-only wrapping change on Tooltip plus docs/story coverage; short tooltips still shrink to content.
Overview
Stops Tooltip overflow when the title is a long unbreakable string (URL, token, identifier, error). The bubble already caps at
min(36x, 100dvw - 4x)withmax-content, butwhite-space: pre-linenever broke inside a word.Sets
overflowWrap: 'anywhere'on the tooltip root (inherits to children). Short copy still shrinks tomax-content. Adds anUnbreakableContentstory and a Long Content docs section.Reviewed by Cursor Bugbot for commit 6fb2525. Bugbot is set up for automated code reviews on this repo. Configure here.