@tianfeng98/hls.js/src/types/general.ts

HLS.js is a JavaScript library that supports playing MPEG-TS and HEVC encoded HLS streams in browsers with support for MSE.

/**
 * Make specific properties in T required
 */
export type RequiredProperties<T, K extends keyof T> = T & {
  [P in K]-?: T[P];
};