wcwidth-o1/dist/index.d.ts

glibc wcwidth/wcswidth for Node.js & TypeScript.

/**
 * Determine number of column positions required for CH.
 *
 * - Accepts a single Unicode character as input.
 *
 * @param char A single Unicode character.
 * @returns Width of the character: 0, 1, 2, or -1 if not printable.
 */
export declare function wcwidth(char: string): number;
/**
 * Determine number of column positions required for first N wide characters
 * (or fewer if S ends before this) in S.
 *
 * - Stops early and returns -1 if any character is non-printable.
 * - If `n` is given, only the first `n` characters are considered.
 *
 * @param str Input string to measure.
 * @param n Optional maximum number of characters to process.
 * @returns Total display width or -1 if any character is unprintable.
 */
export declare function wcswidth(str: string, n?: number): number;
export default wcwidth;