27 lines
379 B
JavaScript
27 lines
379 B
JavaScript
/* @flow */
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declare interface IDataBase {
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id: string,
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name: string,
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}
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declare interface IUserData extends IDataBase {
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kind: "user",
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}
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declare interface ISystemData extends IDataBase {
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kind: "system",
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}
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declare type IData = IUserData | ISystemData;
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const data: IData = {
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id: "",
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name: "",
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kind: "system",
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}
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if (data.kind === "user") {
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(data: ISystemData);
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}
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