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1"use strict";2/*3 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.4 * SPDX-License-Identifier: Apache-2.0.5 */6var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {7    if (k2 === undefined) k2 = k;8    var desc = Object.getOwnPropertyDescriptor(m, k);9    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {10      desc = { enumerable: true, get: function() { return m[k]; } };11    }12    Object.defineProperty(o, k2, desc);13}) : (function(o, m, k, k2) {14    if (k2 === undefined) k2 = k;15    o[k2] = m[k];16}));17var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {18    Object.defineProperty(o, "default", { enumerable: true, value: v });19}) : function(o, v) {20    o["default"] = v;21});22var __importStar = (this && this.__importStar) || function (mod) {23    if (mod && mod.__esModule) return mod;24    var result = {};25    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);26    __setModuleDefault(result, mod);27    return result;28};29var __importDefault = (this && this.__importDefault) || function (mod) {30    return (mod && mod.__esModule) ? mod : { "default": mod };31};32Object.defineProperty(exports, "__esModule", { value: true });33exports.cRuntime = exports.CRuntimeType = void 0;34const path = __importStar(require("path"));35const os_1 = require("os");36const fs_1 = require("fs");37const process_1 = require("process");38const child_process_1 = __importDefault(require("child_process"));39const CRuntimeType = Object.freeze({40    NON_LINUX: "cruntime",41    MUSL: "musl",42    GLIBC: "glibc"43});44exports.CRuntimeType = CRuntimeType;45function getCRuntime() {46    if ((0, os_1.platform)() !== "linux") {47        return CRuntimeType.NON_LINUX;48    }49    try {50        // sometimes, ldd's output goes to stderr, so capture that too51        // Using spawnSync because execSync treats any output to stderr as an exception.52        const spawnedProcess = child_process_1.default.spawnSync('ldd', ['--version'], { encoding: 'utf8' });53        const output = spawnedProcess.stdout + spawnedProcess.stderr;54        if (output.includes(CRuntimeType.MUSL)) {55            return CRuntimeType.MUSL;56        }57        else {58            return CRuntimeType.GLIBC;59        }60    }61    catch (error) {62        return CRuntimeType.GLIBC;63    }64}65const upgrade_string = "Please upgrade to node >=10.16.0, or use the provided browser implementation.";66if ('napi' in process_1.versions) {67    // @ts-ignore68    const napi_version = parseInt(process_1.versions['napi']);69    if (napi_version < 4) {70        throw new Error("The AWS CRT native implementation requires that NAPI version 4 be present. " + upgrade_string);71    }72}73else {74    throw new Error("The current runtime is not reporting an NAPI version. " + upgrade_string);75}76const cRuntime = getCRuntime();77exports.cRuntime = cRuntime;78const binary_name = 'aws-crt-nodejs';79const platformDir = `${os_1.platform}-${os_1.arch}-${cRuntime}`;80let source_root = path.resolve(__dirname, '..', '..');81const dist = path.join(source_root, 'dist');82if ((0, fs_1.existsSync)(dist)) {83    source_root = dist;84}85const bin_path = path.resolve(source_root, 'bin');86let search_paths = [87    path.join(bin_path, platformDir, binary_name) + '.node',88];89/*90 * Environment variables can inject (at lower-priority) paths into the search process as well.  Support both relative91 * and absolute path overrides.92 */93let relative_path = process.env.AWS_CRT_NODEJS_BINARY_RELATIVE_PATH;94if (relative_path) {95    let final_path = path.resolve(__dirname, ...relative_path.split(path.sep));96    search_paths.push(final_path);97}98if (process.env.AWS_CRT_NODEJS_BINARY_ABSOLUTE_PATH) {99    search_paths.push(process.env.AWS_CRT_NODEJS_BINARY_ABSOLUTE_PATH);100}101let binding;102for (const path of search_paths) {103    if ((0, fs_1.existsSync)(path)) {104        binding = require(path);105        break;106    }107}108if (binding == undefined) {109    throw new Error("AWS CRT binary not present in any of the following locations:\n\t" + search_paths.join('\n\t'));110}111const binding_1 = __importDefault(require("./binding"));112/** Electron will shutdown the node process on exit, which causes the threadsafe function to segfault. To prevent113  * the segfault we disable the threadsafe function on node process exit. */114if (process.versions.hasOwnProperty('electron')) {115    process.on('exit', function () {116        binding_1.default.disable_threadsafe_function();117    });118}119exports.default = binding;120//# sourceMappingURL=binding.js.map