nginx-binaries/lib/downloader.js

A downloader for nginx and njs standalone binaries.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createDownloader = void 0;
const OS = require("node:os");
const path = require("node:path");
const repoIndex_1 = require("./repoIndex");
const archName_1 = require("./internal/archName");
const cacheDir_1 = require("./internal/cacheDir");
const downloadFile_1 = require("./internal/downloadFile");
const utils_1 = require("./internal/utils");
const defaultQuery = {
    // macOS (darwin) on ARM can run x86_64 binaries.
    arch: OS.platform() === 'darwin' ? 'x86_64' : (0, archName_1.normalizeArch)(OS.arch()),
    os: OS.platform(),
    variant: '',
};
const createDownloader = (name) => (0, utils_1.bindAll)({
    cacheMaxAge: 8 * 60,
    repoUrl: 'https://jirutka.github.io/nginx-binaries',
    timeout: 10000,
    get cacheDir() {
        // Replace accessors with plain value (lazy initialization).
        return (0, utils_1.replaceProperty)(this, 'cacheDir', (0, cacheDir_1.getCacheDir)('nginx-binaries'));
    },
    set cacheDir(dirpath) {
        this.cacheDir && (this.cacheDir = dirpath);
    },
    async download(query, destFilePath) {
        const [entry,] = await this.search(query);
        if (!entry) {
            throw RangeError(`No ${name} binary found for ${(0, repoIndex_1.formatQuery)({ ...defaultQuery, ...query })}`);
        }
        destFilePath ?? (destFilePath = path.join(this.cacheDir, entry.filename));
        const url = `${this.repoUrl}/${entry.filename}`;
        return await (0, downloadFile_1.downloadFile)(url, entry.checksum, destFilePath, { timeout: this.timeout });
    },
    async search(query) {
        const index = await (0, repoIndex_1.getIndex)(this.repoUrl, this.cacheDir, this.timeout, this.cacheMaxAge);
        // TODO: Move to getIndex()
        if (index.formatVersion !== repoIndex_1.FORMAT_VERSION) {
            throw Error(`Index format version mismatch, clean cache and update nginx-binaries package`);
        }
        return (0, repoIndex_1.queryIndex)(index, name, { ...defaultQuery, ...query });
    },
    async variants(query) {
        return [...new Set((await this.search(query ?? {})).map(x => x.variant))];
    },
    async versions(query) {
        return [...new Set((await this.search(query ?? {})).map(x => x.version))];
    },
});
exports.createDownloader = createDownloader;
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