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Zhibo Wu
20ef0af8a7
* fix(event): preserve UTF-8 in truncated diagnostics * test(event): preserve preflight decode cause coverage
20 lines
483 B
Go
20 lines
483 B
Go
// Copyright (c) 2026 Lark Technologies Pte. Ltd.
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// SPDX-License-Identifier: MIT
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package event
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import "unicode/utf8"
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// TruncateDiagnostic bounds the retained prefix of s to maxBytes, backing off
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// to the previous rune boundary so truncating valid UTF-8 keeps it valid.
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func TruncateDiagnostic(s string, maxBytes int, suffix string) string {
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if len(s) <= maxBytes {
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return s
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}
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cut := maxBytes
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for cut > 0 && !utf8.RuneStart(s[cut]) {
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cut--
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}
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return s[:cut] + suffix
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}
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