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source dump of claude code forked from oppi.li/claude-code
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1.8 kB · 74 lines
TypeScript
at main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475import sliceAnsi from '../utils/sliceAnsi.js'import { stringWidth } from './stringWidth.js'import type { Styles } from './styles.js'import { wrapAnsi } from './wrapAnsi.js'
const ELLIPSIS = '…'
// sliceAnsi may include a boundary-spanning wide char (e.g. CJK at position// end-1 with width 2 overshoots by 1). Retry with a tighter bound once.function sliceFit(text: string, start: number, end: number): string { const s = sliceAnsi(text, start, end) return stringWidth(s) > end - start ? sliceAnsi(text, start, end - 1) : s}
function truncate( text: string, columns: number, position: 'start' | 'middle' | 'end',): string { if (columns < 1) return '' if (columns === 1) return ELLIPSIS
const length = stringWidth(text) if (length <= columns) return text
if (position === 'start') { return ELLIPSIS + sliceFit(text, length - columns + 1, length) } if (position === 'middle') { const half = Math.floor(columns / 2) return ( sliceFit(text, 0, half) + ELLIPSIS + sliceFit(text, length - (columns - half) + 1, length) ) } return sliceFit(text, 0, columns - 1) + ELLIPSIS}
export default function wrapText( text: string, maxWidth: number, wrapType: Styles['textWrap'],): string { if (wrapType === 'wrap') { return wrapAnsi(text, maxWidth, { trim: false, hard: true, }) }
if (wrapType === 'wrap-trim') { return wrapAnsi(text, maxWidth, { trim: true, hard: true, }) }
if (wrapType!.startsWith('truncate')) { let position: 'end' | 'middle' | 'start' = 'end'
if (wrapType === 'truncate-middle') { position = 'middle' }
if (wrapType === 'truncate-start') { position = 'start' }
return truncate(text, maxWidth, position) }
return text}