function toHalfWidthimport { toHalfWidth } from "https://deno.land/x/value_schema@v3.1.2/dist-deno/libs/string.ts"; toHalfWidth(str: string, charsets: string | RegExp): stringconvert full-width to half-width in str Parametersstr: stringstring to convert charsets: string | RegExpcharacter sets to convert Returnsstringhalf-width string