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added type narrowing to is.falsy

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Zane Shannon 2022-01-25 04:49:16 +00:00 • committed by GitHub
parent 12a61619d0
commit ace43e9255
1 changed files with 1 additions and 1 deletions
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source/index.ts
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@ -250,7 +250,7 @@ is.urlString = (value: unknown): value is string => {
// Example: `is.truthy = (value: unknown): value is (not false | not 0 | not '' | not undefined | not null) => Boolean(value);` // Example: `is.truthy = (value: unknown): value is (not false | not 0 | not '' | not undefined | not null) => Boolean(value);`
is.truthy = <T>(value: T | Falsy): value is T => Boolean(value); is.truthy = <T>(value: T | Falsy): value is T => Boolean(value);
// Example: `is.falsy = (value: unknown): value is (not true | 0 | '' | undefined | null) => Boolean(value);` // Example: `is.falsy = (value: unknown): value is (not true | 0 | '' | undefined | null) => Boolean(value);`
is.falsy = (value: unknown) => !value; is.falsy = <T>(value: T | Falsy): value is Falsy => !value;
is.nan = (value: unknown) => Number.isNaN(value as number); is.nan = (value: unknown) => Number.isNaN(value as number);