Decode HTML entities

JavaScript version

const decodeHtmlEntities = (str) => str.replace(/&#(\w+)(^\w|;)?/g, (_, dec) => String.fromCharCode(dec));

TypeScript version

const decodeHtmlEntities = (str: string): string => str.replace(/&#(\w+)(^\w|;)?/g, (_, dec) => String.fromCharCode(dec));