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techieshark/is-non-empty-string.ts

Created September 25, 2023 03:40
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  1. techieshark created this gist Sep 25, 2023.
    11 changes: 11 additions & 0 deletions is-non-empty-string.ts
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    Original file line number Diff line number Diff line change
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    /**
    * Is `s` both 1) defined, 2) a string, and 3) not empty?
    * Can also be used as a TS type predicate to remove `undefined` values.
    */
    export function isNonEmptyString(s?: string): s is string {
    return Boolean(
    typeof s === 'string' &&
    s.length > 0
    );
    }