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4a77e937af
The [strings.Fields](https://pkg.go.dev/strings#Fields) considers `'\t', '\n',
'\v', '\f', '\r', ' ', U+0085 (NEL), U+00A0 (NBSP).` as spaces, so no need to
remove them beforehand.
This is a continuation of f2f60a8f73
21 lines
498 B
Go
21 lines
498 B
Go
// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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package sanitizer
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import "strings"
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func TruncateHTML(input string, max int) string {
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text := StripTags(input)
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// Collapse multiple spaces into a single space
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text = strings.Join(strings.Fields(text), " ")
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// Convert to runes to be safe with unicode
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runes := []rune(text)
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if len(runes) > max {
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return strings.TrimSpace(string(runes[:max])) + "…"
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}
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return text
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}
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