import { unzip, UnzipOptions, UnzipFileInfo } from "fflate"
import { toUnit8Array } from "../../../bit"

export async function unzipFast(
    data: Blob | ArrayBuffer | Uint8Array,
    options?: {
        // 只解压指定文件名的的文件
        files: string[]
        // 终止信号 EventHub
        exit?: any
    }
) {
    let buffer = await toUnit8Array(data)

    let resultPs = new Promise((resolve, reject) => {
        let closer = unzip(
            buffer,
            {
                filter: options?.files
                    ? (file: UnzipFileInfo) => {
                          return options.files.includes(file.name)
                      }
                    : undefined,
            },
            (out) => resolve(out)
        )

        if (options?.exit) {
            options.exit.on("exit", () => {
                closer()
                reject("exit")
            })
        }
    })

    return await resultPs
}