43 lines
793 B
TypeScript
43 lines
793 B
TypeScript
namespace formgen.helpers.map
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{
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/**
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*/
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export function read<type_value>(
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map : Record<string, type_value>,
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key : string,
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fallback : type_value
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) : type_value
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{
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return ((key in map) ? map[key] : fallback);
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}
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/**
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*/
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export function transform<type_value_from, type_value_to>(
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map : Record<string, type_value_from>,
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function_ : ((string, type_value_from) => type_value_to)
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) : Record<string, type_value_to>
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{
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return Object.fromEntries(
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Object.entries(map)
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.map(([key, value]) => ([key, function_(key, value)]))
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);
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}
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/**
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*/
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export function to_pairs<type_value>(
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map : Record<string, type_value>,
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) : Array<{key : string; value : type_value;}>
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{
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return (
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Object.entries(map)
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.map(([key, value]) => ({"key": key, "value": value}))
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);
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}
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}
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