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clean up randomWords signature

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This commit is contained in:
joshunrau 2024-08-27 12:50:00 -04:00
parent 1e807c741e
commit 67b4a05878
1 changed files with 6 additions and 4 deletions
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10
packages/jspsych/src/modules/randomization.ts
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@ -315,6 +315,10 @@ type RandomWordsOptions = {
join?: string; join?: string;
}; };
type RandomWordsResult<T extends RandomWordsOptions> = T extends { join: string }
? string
: string[];
/** /**
* Generate one or more random words. * Generate one or more random words.
* *
@ -325,11 +329,9 @@ type RandomWordsOptions = {
* *
* @returns An array of words or a single string, depending on parameter choices. * @returns An array of words or a single string, depending on parameter choices.
*/ */
export function randomWords<T extends RandomWordsOptions>( export function randomWords<T extends RandomWordsOptions>(opts: T) {
opts: T
): T extends { join: string } ? string : string[] {
// there is a type incompatibility here because `random-words` uses overloads rather than generics // there is a type incompatibility here because `random-words` uses overloads rather than generics
return rw(opts) as any; return rw(opts) as RandomWordsResult<T>;
} }
// Box-Muller transformation for a random sample from normal distribution with mean = 0, std = 1 // Box-Muller transformation for a random sample from normal distribution with mean = 0, std = 1