node/lib/internal/util/embedding.js

48 lines
1.2 KiB
JavaScript

'use strict';
const { codes: { ERR_UNKNOWN_BUILTIN_MODULE } } = require('internal/errors');
const { Module, wrapSafe } = require('internal/modules/cjs/loader');
// This is roughly the same as:
//
// const mod = new Module(filename);
// mod._compile(contents, filename);
//
// but the code has been duplicated because currently there is no way to set the
// value of require.main to module.
//
// TODO(RaisinTen): Find a way to deduplicate this.
function embedderRunCjs(contents) {
const filename = process.execPath;
const compiledWrapper = wrapSafe(filename, contents);
const customModule = new Module(filename, null);
customModule.filename = filename;
customModule.paths = Module._nodeModulePaths(customModule.path);
const customExports = customModule.exports;
embedderRequire.main = customModule;
const customFilename = customModule.filename;
const customDirname = customModule.path;
return compiledWrapper(
customExports,
embedderRequire,
customModule,
customFilename,
customDirname);
}
function embedderRequire(path) {
if (!Module.isBuiltin(path)) {
throw new ERR_UNKNOWN_BUILTIN_MODULE(path);
}
return require(path);
}
module.exports = { embedderRequire, embedderRunCjs };