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93b9d114a4
This commit changes how we figure out if we're running on main thread in `node:worker_threads` module. Instead of relying on quirky "magic variable" for a name to check if we're on main thread, we are now explicitly passing this information during bootstrapping of the runtime. As a side effect, `WorkerOptions.name` is more useful and matches what Node.js does more closely (though not fully). Towards https://github.com/denoland/deno/issues/22783
59 lines
2 KiB
JavaScript
59 lines
2 KiB
JavaScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// deno-lint-ignore-file
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import { internals } from "ext:core/mod.js";
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const requireImpl = internals.requireImpl;
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import { nodeGlobals } from "ext:deno_node/00_globals.js";
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import "node:module";
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let initialized = false;
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function initialize(
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usesLocalNodeModulesDir,
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argv0,
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runningOnMainThread,
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) {
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if (initialized) {
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throw Error("Node runtime already initialized");
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}
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initialized = true;
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if (usesLocalNodeModulesDir) {
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requireImpl.setUsesLocalNodeModulesDir();
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}
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const nativeModuleExports = requireImpl.nativeModuleExports;
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nodeGlobals.Buffer = nativeModuleExports["buffer"].Buffer;
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nodeGlobals.clearImmediate = nativeModuleExports["timers"].clearImmediate;
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nodeGlobals.clearInterval = nativeModuleExports["timers"].clearInterval;
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nodeGlobals.clearTimeout = nativeModuleExports["timers"].clearTimeout;
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nodeGlobals.console = nativeModuleExports["console"];
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nodeGlobals.global = globalThis;
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nodeGlobals.process = nativeModuleExports["process"];
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nodeGlobals.setImmediate = nativeModuleExports["timers"].setImmediate;
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nodeGlobals.setInterval = nativeModuleExports["timers"].setInterval;
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nodeGlobals.setTimeout = nativeModuleExports["timers"].setTimeout;
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nodeGlobals.performance = nativeModuleExports["perf_hooks"].performance;
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// FIXME(bartlomieju): not nice to depend on `Deno` namespace here
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// but it's the only way to get `args` and `version` and this point.
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internals.__bootstrapNodeProcess(argv0, Deno.args, Deno.version);
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internals.__initWorkerThreads(runningOnMainThread);
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internals.__setupChildProcessIpcChannel();
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// `Deno[Deno.internal].requireImpl` will be unreachable after this line.
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delete internals.requireImpl;
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}
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function loadCjsModule(moduleName, isMain, inspectBrk) {
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if (inspectBrk) {
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requireImpl.setInspectBrk();
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}
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requireImpl.Module._load(moduleName, null, { main: isMain });
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}
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globalThis.nodeBootstrap = initialize;
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internals.node = {
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initialize,
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loadCjsModule,
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};
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