41 lines
1.0 KiB
Swift
41 lines
1.0 KiB
Swift
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import Foundation
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extension Dictionary where Key == String, Value == Any {
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func int(_ key: String) -> Int? {
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return (self[key] as? NSNumber)?.intValue
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}
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func double(_ key: String) -> Double? {
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return (self[key] as? NSNumber)?.doubleValue
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}
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func string(_ key: String) -> String? {
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return self[key] as? String
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}
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func bool(_ key: String) -> Bool {
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return (self[key] as? NSNumber)?.boolValue ?? false
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}
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func dict(_ key: String) -> [String: Any]? {
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return self[key] as? [String: Any]
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}
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func ms(_ key: String) throws -> Int? {
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guard let v = int(key) else {
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return nil
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}
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if v < 0 || v > 600_000 {
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throw ToolError("\(key) must be between 0 and 600000 ms")
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}
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return v
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}
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func require<T>(_ key: String, _ get: (String) -> T?) throws -> T {
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guard let v = get(key) else {
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throw ToolError("missing or malformed argument: \(key)")
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}
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return v
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}
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}
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