15 lines
528 B
TypeScript
15 lines
528 B
TypeScript
/**
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* Converts the first character of string to upper case and the remaining to lower case.
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*
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* @param {string} string - The string to capitalize.
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* @returns {string} - The capitalized string.
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*
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* @example
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* const convertedStr1 = capitalize('fred') // returns 'Fred'
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* const convertedStr2 = capitalize('FRED') // returns 'Fred'
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* const convertedStr3 = capitalize('') // returns ''
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*/
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declare function capitalize<T extends string>(str?: T): string extends T ? string : Capitalize<Lowercase<T>>;
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export { capitalize };
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