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feat(observable): enhance event callback type specificity (#10720)

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Arthur
2025-03-16 17:48:51 +01:00
committed by GitHub
parent 852011c4f9
commit e2f9687e72
2 changed files with 13 additions and 4 deletions
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9
packages/core/utils/typescript-utils.d.ts vendored
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@@ -4,3 +4,12 @@
* // returns: { eventName: string; object?: Observable }
*/
export type Optional<T, K extends keyof T> = Omit<T, K> & { [P in K]?: T[P] };
/**
* Determines if a string type ends with a specified suffix.
* @example type IsChangeEvent = EndsWith<"propertyNameChange", "Change", true, false>
* // returns: true
* @example type IsChangeEvent = EndsWith<"someEvent", "Change", true, false>
* // returns: false
*/
export type EndsWith<T extends string, S extends string, PassType = true, FailType = false> = T extends `${infer _}${S}` ? PassType : FailType;