mirror of
https://github.com/denoland/deno.git
synced 2024-12-22 23:34:47 -05:00
e511022c74
Code run within Deno-mode and Node-mode should have access to a slightly different set of globals. Previously this was done through a compile time code-transform for Node-mode, but this is not ideal and has many edge cases, for example Node's globalThis having a different identity than Deno's globalThis. This commit makes the `globalThis` of the entire runtime a semi-proxy. This proxy returns a different set of globals depending on the caller's mode. This is not a full proxy, because it is shadowed by "real" properties on globalThis. This is done to avoid the overhead of a full proxy for all globalThis operations. The globals between Deno-mode and Node-mode are now properly segregated. This means that code running in Deno-mode will not have access to Node's globals, and vice versa. Deleting a managed global in Deno-mode will NOT delete the corresponding global in Node-mode, and vice versa. --------- Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com> Co-authored-by: Aapo Alasuutari <aapo.alasuutari@gmail.com>
54 lines
1.9 KiB
JavaScript
54 lines
1.9 KiB
JavaScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
|
|
|
|
// deno-lint-ignore-file
|
|
|
|
const internals = globalThis.__bootstrap.internals;
|
|
const requireImpl = internals.requireImpl;
|
|
import { nodeGlobals } from "ext:deno_node/00_globals.js";
|
|
import "node:module";
|
|
|
|
let initialized = false;
|
|
|
|
function initialize(
|
|
usesLocalNodeModulesDir,
|
|
argv0,
|
|
) {
|
|
if (initialized) {
|
|
throw Error("Node runtime already initialized");
|
|
}
|
|
initialized = true;
|
|
if (usesLocalNodeModulesDir) {
|
|
requireImpl.setUsesLocalNodeModulesDir();
|
|
}
|
|
const nativeModuleExports = requireImpl.nativeModuleExports;
|
|
nodeGlobals.Buffer = nativeModuleExports["buffer"].Buffer;
|
|
nodeGlobals.clearImmediate = nativeModuleExports["timers"].clearImmediate;
|
|
nodeGlobals.clearInterval = nativeModuleExports["timers"].clearInterval;
|
|
nodeGlobals.clearTimeout = nativeModuleExports["timers"].clearTimeout;
|
|
nodeGlobals.console = nativeModuleExports["console"];
|
|
nodeGlobals.global = globalThis;
|
|
nodeGlobals.process = nativeModuleExports["process"];
|
|
nodeGlobals.setImmediate = nativeModuleExports["timers"].setImmediate;
|
|
nodeGlobals.setInterval = nativeModuleExports["timers"].setInterval;
|
|
nodeGlobals.setTimeout = nativeModuleExports["timers"].setTimeout;
|
|
nodeGlobals.performance = nativeModuleExports["perf_hooks"].performance;
|
|
|
|
// FIXME(bartlomieju): not nice to depend on `Deno` namespace here
|
|
// but it's the only way to get `args` and `version` and this point.
|
|
internals.__bootstrapNodeProcess(argv0, Deno.args, Deno.version);
|
|
internals.__initWorkerThreads();
|
|
// `Deno[Deno.internal].requireImpl` will be unreachable after this line.
|
|
delete internals.requireImpl;
|
|
}
|
|
|
|
function loadCjsModule(moduleName, isMain, inspectBrk) {
|
|
if (inspectBrk) {
|
|
requireImpl.setInspectBrk();
|
|
}
|
|
requireImpl.Module._load(moduleName, null, { main: isMain });
|
|
}
|
|
|
|
internals.node = {
|
|
initialize,
|
|
loadCjsModule,
|
|
};
|