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Merge pull request #1013 from riganti/feature/js-metadata-api
Added helper functions for working with type metadata
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28 changes: 28 additions & 0 deletions
28
src/DotVVM.Framework/Resources/Scripts/metadata/metadataHelper.ts
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Original file line number | Diff line number | Diff line change |
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import { getTypeInfo } from "./typeMap"; | ||
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export function getTypeId(viewModel: object): string | undefined { | ||
return ko.unwrap((viewModel as any).$type); | ||
} | ||
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export function getTypeMetadata(typeId: string): TypeMetadata { | ||
return getTypeInfo(typeId); | ||
} | ||
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export function getEnumMetadata(enumMetadataId: string): EnumTypeMetadata { | ||
let metadata = getTypeInfo(enumMetadataId); | ||
if (metadata.type !== "enum") { | ||
throw new Error("Expected enum, but received object"); | ||
} | ||
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return metadata as EnumTypeMetadata; | ||
} | ||
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export function getEnumValue(identifier: string | number, enumMetadataId: string): number | undefined { | ||
let metadata = getEnumMetadata(enumMetadataId); | ||
if (typeof identifier === "string") { | ||
return metadata.values[identifier]; | ||
} | ||
else { | ||
return identifier; | ||
} | ||
} |