nexe
Version:
Create a single executable out of your Node.js application
123 lines (122 loc) • 4.73 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.restoreFs = exports.shimFs = void 0;
const libzip_1 = require("@yarnpkg/libzip");
const fslib_1 = require("@yarnpkg/fslib");
const SnapshotZipFS_1 = require("./SnapshotZipFS");
const assert = __importStar(require("assert"));
const constants = __importStar(require("constants"));
const path_1 = require("path");
let originalFsMethods = null;
let lazyRestoreFs = () => { };
const patches = process.nexe.patches || {};
const originalPatches = Object.assign({}, patches);
delete process.nexe;
function shimFs(binary, fs = require('fs')) {
if (originalFsMethods !== null) {
return;
}
originalFsMethods = Object.assign({}, fs);
const realFs = Object.assign({}, fs);
const nodeFs = new fslib_1.NodeFS(realFs);
const blob = Buffer.allocUnsafe(binary.layout.resourceSize);
const blobFd = realFs.openSync(binary.blobPath, 'r');
const bytesRead = realFs.readSync(blobFd, blob, 0, binary.layout.resourceSize, binary.layout.resourceStart);
assert.equal(bytesRead, binary.layout.resourceSize);
const zipFs = new libzip_1.ZipFS(blob, { readOnly: true });
const snapshotZipFS = new SnapshotZipFS_1.SnapshotZipFS({
libzip: (0, libzip_1.getLibzipSync)(),
zipFs,
baseFs: nodeFs,
root: (0, path_1.dirname)(process.argv[0]),
});
const posixSnapshotZipFs = new fslib_1.PosixFS(snapshotZipFS);
(0, fslib_1.patchFs)(fs, posixSnapshotZipFs);
let log = (_) => true;
if ((process.env.DEBUG || '').toLowerCase().includes('nexe:require')) {
process.stderr.write(
// @ts-ignore
`[nexe] - FILES ${JSON.stringify(Array.from(zipFs.entries.keys()), null, 4)}\n`);
process.stderr.write(
// @ts-ignore
`[nexe] - DIRECTORIES ${JSON.stringify(Array.from(zipFs.listings.keys()), null, 4)}\n`);
log = (text) => {
return process.stderr.write(`[nexe] - ${text}\n`);
};
}
function internalModuleReadFile(original, ...args) {
log(`internalModuleReadFile ${args[0]}`);
try {
return posixSnapshotZipFs.readFileSync(args[0], 'utf-8');
}
catch (e) {
return '';
}
}
if (patches.internalModuleReadFile) {
patches.internalModuleReadFile = internalModuleReadFile;
}
let returningArray;
patches.internalModuleReadJSON = function (original, ...args) {
if (returningArray == null)
returningArray = Array.isArray(original.call(this, ''));
const res = internalModuleReadFile.call(this, original, ...args);
return returningArray && !Array.isArray(res)
? res === ''
? []
: [res, /"(main|name|type|exports|imports)"/.test(res)]
: res;
};
patches.internalModuleStat = function (original, ...args) {
let statPath = args[0];
//in node 22, the path arg moved to arg[1]
if (typeof args[0] !== 'string')
statPath = args[1];
let result = 0;
try {
const stat = posixSnapshotZipFs.statSync(statPath);
if (stat.isDirectory())
result = 1;
else
result = 0;
}
catch (e) {
result = -constants.ENOENT;
}
log(`internalModuleStat ${result} ${statPath}`);
return result;
};
lazyRestoreFs = () => {
Object.assign(fs, originalFsMethods);
Object.assign(patches, originalPatches);
lazyRestoreFs = () => { };
};
}
exports.shimFs = shimFs;
function restoreFs() {
lazyRestoreFs();
}
exports.restoreFs = restoreFs;