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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
// deno-lint-ignore-file
const internals = globalThis.__bootstrap.internals;
const primordials = globalThis.__bootstrap.primordials;
const {
ArrayPrototypePush,
ArrayPrototypeFilter,
ObjectEntries,
ObjectCreate,
ObjectDefineProperty,
Proxy,
ReflectDefineProperty,
ReflectDeleteProperty,
ReflectGet,
ReflectGetOwnPropertyDescriptor,
ReflectHas,
ReflectOwnKeys,
ReflectSet,
Set,
SetPrototypeHas,
} = primordials;
function assert(cond) {
if (!cond) {
throw Error("assert");
}
}
let initialized = false;
const nodeGlobals = {};
const nodeGlobalThis = new Proxy(globalThis, {
get(target, prop) {
if (ReflectHas(nodeGlobals, prop)) {
return ReflectGet(nodeGlobals, prop);
} else {
return ReflectGet(target, prop);
}
},
set(target, prop, value) {
if (ReflectHas(nodeGlobals, prop)) {
return ReflectSet(nodeGlobals, prop, value);
} else {
return ReflectSet(target, prop, value);
}
},
has(target, prop) {
return ReflectHas(nodeGlobals, prop) || ReflectHas(target, prop);
},
deleteProperty(target, prop) {
const nodeDeleted = ReflectDeleteProperty(nodeGlobals, prop);
const targetDeleted = ReflectDeleteProperty(target, prop);
return nodeDeleted || targetDeleted;
},
ownKeys(target) {
const targetKeys = ReflectOwnKeys(target);
const nodeGlobalsKeys = ReflectOwnKeys(nodeGlobals);
const nodeGlobalsKeySet = new Set(nodeGlobalsKeys);
return [
...ArrayPrototypeFilter(
targetKeys,
(k) => !SetPrototypeHas(nodeGlobalsKeySet, k),
),
...nodeGlobalsKeys,
];
},
defineProperty(target, prop, desc) {
if (ReflectHas(nodeGlobals, prop)) {
return ReflectDefineProperty(nodeGlobals, prop, desc);
} else {
return ReflectDefineProperty(target, prop, desc);
}
},
getOwnPropertyDescriptor(target, prop) {
if (ReflectHas(nodeGlobals, prop)) {
return ReflectGetOwnPropertyDescriptor(nodeGlobals, prop);
} else {
return ReflectGetOwnPropertyDescriptor(target, prop);
}
},
});
const nativeModuleExports = ObjectCreate(null);
const builtinModules = [];
function initialize(nodeModules, nodeGlobalThisName) {
assert(!initialized);
initialized = true;
for (const [name, exports] of ObjectEntries(nodeModules)) {
nativeModuleExports[name] = exports;
ArrayPrototypePush(builtinModules, name);
}
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 = nodeGlobalThis;
nodeGlobals.process = nativeModuleExports["process"];
nodeGlobals.setImmediate = nativeModuleExports["timers"].setImmediate;
nodeGlobals.setInterval = nativeModuleExports["timers"].setInterval;
nodeGlobals.setTimeout = nativeModuleExports["timers"].setTimeout;
// add a hidden global for the esm code to use in order to reliably
// get node's globalThis
ObjectDefineProperty(globalThis, nodeGlobalThisName, {
enumerable: false,
writable: false,
value: nodeGlobalThis,
});
// FIXME(bartlomieju): not nice to depend on `Deno` namespace here
internals.__bootstrapNodeProcess(Deno.args);
}
internals.node = {
globalThis: nodeGlobalThis,
initialize,
nativeModuleExports,
builtinModules,
};
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