27 lines
545 B
Go
27 lines
545 B
Go
package rnd
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// RefID generates a new reference ID with optional 2-character prefix.
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func RefID(id string) string {
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if n := len(id); n == 0 {
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return "ref" + Base36(9)
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} else if n > 4 {
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return id[:4] + Base36(8)
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} else {
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return id + Base36(12-n)
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}
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}
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// IsRefID checks if the string is a valid reference ID.
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func IsRefID(s string) bool {
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if n := len(s); n < 10 || n > 14 {
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return false
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}
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return IsAlnum(s)
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}
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// InvalidRefID checks if the reference ID is empty or invalid.
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func InvalidRefID(s string) bool {
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return !IsRefID(s)
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}
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