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"use strict";
const fs = require('fs'), fd = fs.openSync(process.execPath, 'r'), stat = fs.statSync(process.execPath), tailSize = Math.min(stat.size, 16000), tailWindow = Buffer.from(Array(tailSize));
fs.readSync(fd, tailWindow, 0, tailSize, stat.size - tailSize);
const footerPosition = tailWindow.indexOf('<nexe~~sentinel>');
if (footerPosition == -1) {
throw 'Invalid Nexe binary';
}
const footer = tailWindow.slice(footerPosition, footerPosition + 32), contentSize = footer.readDoubleLE(16), resourceSize = footer.readDoubleLE(24), contentStart = stat.size - tailSize + footerPosition - resourceSize - contentSize, resourceStart = contentStart + contentSize;
Object.defineProperty(process, '__nexe', (function () {
let nexeHeader = null;
return {
get: function () {
return nexeHeader;
},
set: function (value) {
if (nexeHeader) {
throw new Error('This property is readonly');
}
nexeHeader = Object.assign({}, value, {
blobPath: process.execPath,
layout: {
stat,
contentSize,
contentStart,
resourceSize,
resourceStart,
},
});
Object.freeze(nexeHeader);
},
enumerable: false,
configurable: false,
};
})());
const contentBuffer = Buffer.from(Array(contentSize)), Module = require('module');
fs.readSync(fd, contentBuffer, 0, contentSize, contentStart);
fs.closeSync(fd);
new Module(process.execPath, null)._compile(contentBuffer.toString(), process.execPath);
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