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fix(tui): trim markdown wrap spaces (#22062)

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* fix(tui): trim markdown wrap spaces

Use trim-aware wrapping for markdown prose so word-wrapped continuation lines do not keep boundary spaces.

* fix(tui): simplify markdown wrap nodes

Keep trim-aware wrapping on the rendered markdown text node while leaving nested inline segments as plain virtual text.

* fix(tui): trim definition row wrapping

Apply trim-aware wrapping to markdown definition rows so continuation lines match other prose rows.

* fix(tui): trim list and quote wrapping

Put trim-aware wrapping on the rendered list and quote rows that own markdown inline layout.

* fix(tui): preserve markdown nesting with trim wrap

Move list and quote indentation into layout padding so trim-aware wrapping does not erase nested markdown structure.

* fix(tui): trim only soft wrap spaces

Change trim-aware wrapping to remove whitespace only at soft-wrap boundaries so original leading inline spaces stay verbatim.

* fix(tui): preserve extra boundary whitespace

Trim only one soft-wrap boundary whitespace character so wrap-trim avoids leading continuations without collapsing intentional spacing.

* fix(tui): align styled wrap-trim mapping

Update styled text remapping to skip the single whitespace removed at soft-wrap boundaries without dropping preserved indentation.

* fix(tui): clean wrap trim test helpers

Clarify boundary-trim wording and strip OSC escapes from markdown render test output.

* fix(tui): strip osc before ansi in markdown tests

Remove OSC escapes from raw render output before SGR/CSI cleanup so markdown render assertions stay plain text.
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brooklyn! 2026-05-08 20:51:34 -07:00 • committed by GitHub
parent 78b0008f44
commit a7e7921dbc
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5 changed files with 147 additions and 68 deletions
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28
ui-tui/packages/hermes-ink/src/ink/wrap-text.ts
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@ -77,6 +77,32 @@ function truncate(text: string, columns: number, position: 'start' | 'middle' |
return sliceFit(text, 0, columns - 1) + ELLIPSIS
}
function trimSoftWrapBoundaries(text: string, maxWidth: number): string {
return text
.split('\n')
.map(line => {
const pieces = wrapAnsi(line, maxWidth, { trim: false, hard: true }).split('\n')
if (pieces.length === 1) {
return pieces[0]!
}
for (let index = 0; index < pieces.length - 1; index++) {
const current = pieces[index]!
const next = pieces[index + 1]!
if (/\s$/.test(current)) {
pieces[index] = current.replace(/\s$/, '')
} else if (/^\s/.test(next)) {
pieces[index + 1] = next.replace(/^\s/, '')
}
}
return pieces.join('\n')
})
.join('\n')
}
function computeWrap(text: string, maxWidth: number, wrapType: Styles['textWrap']): string {
if (wrapType === 'wrap') {
return wrapAnsi(text, maxWidth, { trim: false, hard: true })
@ -87,7 +113,7 @@ function computeWrap(text: string, maxWidth: number, wrapType: Styles['textWrap'
}
if (wrapType === 'wrap-trim') {
return wrapAnsi(text, maxWidth, { trim: true, hard: true })
return trimSoftWrapBoundaries(text, maxWidth)
}
if (wrapType!.startsWith('truncate')) {