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develop
pkg/clean/json.go
64 строки
1 KB
Michael Mayer
Go: Apply go fix modernizations across backend packages
20 фев 2026, 05:54
20 фев 2026, 05:54
a2b7615
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package clean import "strings" // JSON attempts to extract a JSON object or array from raw text. // It removes common wrappers such as Markdown code fences and trailing commentary. // Returns an empty string when no JSON payload can be found. func JSON(raw string) string { trimmed := strings.TrimSpace(raw) if trimmed == "" { return "" } if after, ok := strings.CutPrefix(trimmed, "```"); ok { trimmed = after trimmed = strings.TrimSpace(trimmed) if !strings.HasPrefix(trimmed, "{") && !strings.HasPrefix(trimmed, "[") { if idx := strings.Index(trimmed, "\n"); idx != -1 { trimmed = trimmed[idx+1:] } else { return "" } } if idx := strings.LastIndex(trimmed, "```"); idx != -1 { trimmed = trimmed[:idx] } } trimmed = strings.TrimSpace(trimmed) startObj := strings.Index(trimmed, "{") startArr := strings.Index(trimmed, "[") start := -1 switch { case startObj >= 0 && startArr >= 0: start = min(startObj, startArr) case startObj >= 0: start = startObj case startArr >= 0: start = startArr } endObj := strings.LastIndex(trimmed, "}") endArr := strings.LastIndex(trimmed, "]") end := -1 switch { case endObj >= 0 && endArr >= 0: end = max(endObj, endArr) case endObj >= 0: end = endObj case endArr >= 0: end = endArr } if start >= 0 && end > start { trimmed = trimmed[start : end+1] } return strings.TrimSpace(trimmed) }