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perf: move ANSI regex compilations to package level (#1040)

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Signed-off-by: Matías Insaurralde <matias@insaurral.de>
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Matias Insaurralde 2025-07-16 06:20:25 -03:00 • committed by GitHub
parent c3c647a21a
commit e89972a396
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2 changed files with 9 additions and 4 deletions
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5
packages/tui/internal/components/diff/diff.go
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@ -38,6 +38,10 @@ const (
LineRemoved // Line removed from the old file
)
var (
ansiRegex = regexp.MustCompile(`\x1b(?:[@-Z\\-_]|\[[0-9?]*(?:;[0-9?]*)*[@-~])`)
)
// Segment represents a portion of a line for intra-line highlighting
type Segment struct {
Start int
@ -548,7 +552,6 @@ func createStyles(t theme.Theme) (removedLineStyle, addedLineStyle, contextLineS
// applyHighlighting applies intra-line highlighting to a piece of text
func applyHighlighting(content string, segments []Segment, segmentType LineType, highlightBg compat.AdaptiveColor) string {
// Find all ANSI sequences in the content
ansiRegex := regexp.MustCompile(`\x1b(?:[@-Z\\-_]|\[[0-9?]*(?:;[0-9?]*)*[@-~])`)
ansiMatches := ansiRegex.FindAllStringIndex(content, -1)
// Build a mapping of visible character positions to their actual indices