25 lines
386 B
Go
25 lines
386 B
Go
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package utils
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import (
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rw "github.com/mattn/go-runewidth"
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)
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func TruncateFront(s string, w int, prefix string) string {
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if rw.StringWidth(s) <= w {
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return s
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}
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r := []rune(s)
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pw := rw.StringWidth(prefix)
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w -= pw
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width := 0
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i := len(r) - 1
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for ; i >= 0; i-- {
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cw := rw.RuneWidth(r[i])
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width += cw
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if width > w {
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break
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}
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}
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return prefix + string(r[i+1:len(r)])
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}
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