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120 lines
2.1 KiB
JavaScript
120 lines
2.1 KiB
JavaScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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const core = globalThis.Deno.core;
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const ops = core.ops;
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import { Event, EventTarget } from "ext:deno_web/02_event.js";
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const primordials = globalThis.__bootstrap.primordials;
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const {
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Error,
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SymbolFor,
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} = primordials;
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const windowDispatchEvent = EventTarget.prototype.dispatchEvent.bind(
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globalThis,
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);
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function loadavg() {
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return ops.op_loadavg();
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}
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function hostname() {
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return ops.op_hostname();
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}
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function osRelease() {
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return ops.op_os_release();
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}
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function osUptime() {
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return ops.op_os_uptime();
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}
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function systemMemoryInfo() {
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return ops.op_system_memory_info();
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}
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function networkInterfaces() {
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return ops.op_network_interfaces();
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}
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function gid() {
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return ops.op_gid();
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}
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function uid() {
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return ops.op_uid();
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}
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// This is an internal only method used by the test harness to override the
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// behavior of exit when the exit sanitizer is enabled.
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let exitHandler = null;
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function setExitHandler(fn) {
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exitHandler = fn;
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}
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function exit(code) {
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// Set exit code first so unload event listeners can override it.
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if (typeof code === "number") {
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ops.op_set_exit_code(code);
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} else {
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code = 0;
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}
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// Dispatches `unload` only when it's not dispatched yet.
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if (!globalThis[SymbolFor("Deno.isUnloadDispatched")]) {
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// Invokes the `unload` hooks before exiting
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// ref: https://github.com/denoland/deno/issues/3603
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windowDispatchEvent(new Event("unload"));
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}
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if (exitHandler) {
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exitHandler(code);
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return;
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}
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ops.op_exit();
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throw new Error("Code not reachable");
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}
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function setEnv(key, value) {
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ops.op_set_env(key, value);
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}
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function getEnv(key) {
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return ops.op_get_env(key) ?? undefined;
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}
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function deleteEnv(key) {
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ops.op_delete_env(key);
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}
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const env = {
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get: getEnv,
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toObject() {
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return ops.op_env();
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},
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set: setEnv,
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has(key) {
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return getEnv(key) !== undefined;
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},
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delete: deleteEnv,
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};
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function execPath() {
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return ops.op_exec_path();
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}
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export {
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env,
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execPath,
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exit,
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gid,
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hostname,
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loadavg,
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networkInterfaces,
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osRelease,
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osUptime,
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setExitHandler,
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systemMemoryInfo,
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uid,
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};
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