jtc-utils/mjs/lib/toHalfwidthAscii.mjs

Utilities for Japanese Traditional Companies

export function toHalfwidthAscii(value) {
    if (!value) {
        return value;
    }
    return value.replace(/[\u3000\uFF01-\uFF5E]/g, (m) => {
        return m === "\u3000"
            ? " "
            : String.fromCharCode(m.charCodeAt(0) - 0xff01 + 0x21);
    });
}