@sentry/utils
Version:
Utilities for all Sentry JavaScript SDKs
14 lines • 726 B
TypeScript
/**
* Polyfill for the nullish coalescing operator (`??`).
*
* Note that the RHS is wrapped in a function so that if it's a computed value, that evaluation won't happen unless the
* LHS evaluates to a nullish value, to mimic the operator's short-circuiting behavior.
*
* Adapted from Sucrase (https://github.com/alangpierce/sucrase)
*
* @param lhs The value of the expression to the left of the `??`
* @param rhsFn A function returning the value of the expression to the right of the `??`
* @returns The LHS value, unless it's `null` or `undefined`, in which case, the RHS value
*/
export declare function _nullishCoalesce(lhs: unknown, rhsFn: () => unknown): unknown;
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