42 lines
826 B
Swift
42 lines
826 B
Swift
func capitalise(_ value: Any?) -> Any? {
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return stringify(value).capitalized
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}
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func uppercase(_ value: Any?) -> Any? {
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return stringify(value).uppercased()
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}
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func lowercase(_ value: Any?) -> Any? {
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return stringify(value).lowercased()
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}
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func defaultFilter(value: Any?, arguments: [Any?]) -> Any? {
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if let value = value {
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return value
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}
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for argument in arguments {
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if let argument = argument {
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return argument
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}
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}
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return nil
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}
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func joinFilter(value: Any?, arguments: [Any?]) throws -> Any? {
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guard arguments.count < 2 else {
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throw TemplateSyntaxError("'join' filter takes a single argument")
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}
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let separator = stringify(arguments.first ?? "")
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if let value = value as? [Any] {
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return value
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.map(stringify)
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.joined(separator: separator)
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}
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return value
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}
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