@alinex/datastore/lib/compression/lzma.js

Read, work and write data structures from and to differents locations and formats.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.compress = exports.uncompress = void 0;
const path_1 = require("path");
const debug_1 = require("debug");
const lzma = require("lzma");
const debug = debug_1.default('datastore:compression:gzip');
exports.uncompress = (async function (parsedUri, buffer, options) {
    debug(`uncompressing ${path_1.basename(parsedUri.pathname)}`);
    return new Promise((resolve, reject) => {
        lzma.decompress(buffer, (result, error) => {
            if (error)
                return reject(error);
            resolve(Buffer.from(result));
        });
    });
});
exports.compress = (async function (parsedUri, buffer, options) {
    debug(`compressing ${path_1.basename(parsedUri.pathname)}`);
    return new Promise((resolve, reject) => {
        lzma.compress(buffer, (options && options.compressionLevel) || 9, (result, error) => {
            if (error)
                return reject(error);
            resolve(Buffer.from(result));
        });
    });
});
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