45 lines
1.2 KiB
TypeScript
45 lines
1.2 KiB
TypeScript
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type UnknownRecord = Record<string, unknown>
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function isRecord(value: unknown): value is UnknownRecord {
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return typeof value === "object" && value !== null
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}
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function getNestedRecord(value: unknown, key: string): UnknownRecord | undefined {
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if (!isRecord(value)) return undefined
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const nested = value[key]
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return isRecord(nested) ? nested : undefined
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}
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function getNestedString(value: unknown, key: string): string | undefined {
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if (!isRecord(value)) return undefined
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const nested = value[key]
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return typeof nested === "string" ? nested : undefined
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}
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export interface SessionCreatedEvent {
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type: string
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properties?: { info?: { id?: string; parentID?: string; title?: string } }
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}
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export function coerceSessionCreatedEvent(input: {
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type: string
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properties?: unknown
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}): SessionCreatedEvent {
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const properties = isRecord(input.properties) ? input.properties : undefined
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const info = getNestedRecord(properties, "info")
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return {
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type: input.type,
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properties:
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info || properties
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? {
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info: {
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id: getNestedString(info, "id"),
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parentID: getNestedString(info, "parentID"),
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title: getNestedString(info, "title"),
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},
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}
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: undefined,
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}
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}
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