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x/is/gzip.ts

Detect the running environment and context of the current script
justjavac/deno-is
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/** * Return `true` if `src` is a gzip file. */export async function isGzip(src: Uint8Array): Promise<boolean> {  if (src.length < 3) {    return false;  }
  return src[0] === 0x1f && src[1] === 0x8b && src[2] === 0x08;}
/** * Return `true` if `src` is a gzip file synchronously. */export function isGzipSync(src: Uint8Array): boolean {  if (src.length < 3) {    return false;  }
  return src[0] === 0x1f && src[1] === 0x8b && src[2] === 0x08;}