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08ec6e5831
Slightly different approach to similar changes in #22386 Note that this doesn't use a warmup script -- we are actually just doing more work at snapshot time.
72 lines
2.2 KiB
JavaScript
72 lines
2.2 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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workerId,
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maybeWorkerMetadata,
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warmup = false,
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) {
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if (!warmup) {
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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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// 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(
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runningOnMainThread,
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workerId,
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maybeWorkerMetadata,
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);
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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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} else {
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// Warm up the process module
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internals.__bootstrapNodeProcess(undefined, undefined, undefined, true);
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}
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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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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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