@dpkit/zip/build/package/load.js

Fast TypeScript data management framework built on top of the Data Package standard and Polars DataFrames

import { readFile, writeFile } from "node:fs/promises";
import { mkdir } from "node:fs/promises";
import { dirname, join } from "node:path";
import { loadPackageDescriptor } from "@dpkit/core";
import { getTempFolderPath } from "@dpkit/folder";
import { unzip } from "fflate";
export async function loadPackageFromZip(archivePath) {
    const basepath = getTempFolderPath();
    const zipData = await readFile(archivePath);
    const entries = await new Promise((resolve, reject) => {
        unzip(zipData, (err, unzipped) => {
            if (err)
                reject(err);
            else
                resolve(unzipped);
        });
    });
    for (const [filename, data] of Object.entries(entries)) {
        const path = join(basepath, filename);
        if (filename.endsWith("/")) {
            await mkdir(path, { recursive: true });
            continue;
        }
        await mkdir(dirname(path), { recursive: true });
        await writeFile(path, data);
    }
    const dataPackage = await loadPackageDescriptor(join(basepath, "datapackage.json"));
    return dataPackage;
}
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