Files
bare-operating-system/kernel/lib/bare/bundles/bareTimers.js
T
2026-04-04 01:20:57 -04:00

478 lines
17 KiB
JavaScript

var __bare_os_bundle_exports__ = (() => {
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __require = /* @__PURE__ */ ((x) => typeof require !== "undefined" ? require : typeof Proxy !== "undefined" ? new Proxy(x, {
get: (a, b) => (typeof require !== "undefined" ? require : a)[b]
}) : x)(function(x) {
if (typeof require !== "undefined") return require.apply(this, arguments);
throw Error('Dynamic require of "' + x + '" is not supported');
});
var __commonJS = (cb, mod) => function __require2() {
return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// ../../node_modules/bare-timers/binding.js
var require_binding = __commonJS({
"../../node_modules/bare-timers/binding.js"(exports, module) {
module.exports = __require.addon();
}
});
// ../../node_modules/bare-timers/lib/heap.js
var require_heap = __commonJS({
"../../node_modules/bare-timers/lib/heap.js"(exports, module) {
function compare(a, b) {
return a._expiry < b._expiry ? -1 : a._expiry > b._expiry ? 1 : a._id < b._id ? -1 : a._id > b._id ? 1 : 0;
}
module.exports = class Heap {
constructor() {
this._data = [];
}
get length() {
return this._data.length;
}
push(value) {
value._index = this._data.length;
this._data.push(value);
this._up(this._data.length - 1);
}
shift() {
const data = this._data;
if (data.length === 0) return void 0;
const root = data[0];
root._index = -1;
const last = data.pop();
if (data.length > 0) {
data[0] = last;
last._index = 0;
this._down(0);
}
return root;
}
peek() {
return this._data[0];
}
update(value) {
const data = this._data;
const i = value._index;
if (i < 0 || i >= data.length) return;
if (i > 0) {
const parent = (i - 1) / 2 | 0;
if (compare(data[i], data[parent]) < 0) {
return this._up(i);
}
}
this._down(i);
}
_swap(i, j) {
const data = this._data;
const value = data[i];
data[i] = data[j];
data[i]._index = i;
data[j] = value;
data[j]._index = j;
}
_up(i) {
const data = this._data;
while (i > 0) {
const parent = (i - 1) / 2 | 0;
if (compare(data[i], data[parent]) >= 0) break;
this._swap(i, parent);
i = parent;
}
}
_down(i) {
const data = this._data;
const length = data.length;
while (true) {
const left = 2 * i + 1;
const right = 2 * i + 2;
let smallest = i;
if (left < length && compare(data[left], data[smallest]) < 0) {
smallest = left;
}
if (right < length && compare(data[right], data[smallest]) < 0) {
smallest = right;
}
if (smallest === i) break;
this._swap(i, smallest);
i = smallest;
}
}
};
}
});
// ../../node_modules/bare-timers/promises.js
var require_promises = __commonJS({
"../../node_modules/bare-timers/promises.js"(exports) {
var timers = require_bare_timers();
exports.setTimeout = function setTimeout(delay = 1, value, opts = {}) {
const { ref, signal } = opts;
if (signal && signal.aborted) return Promise.reject(signal.reason);
return new Promise((resolve, reject) => {
if (signal) signal.addEventListener("abort", onabort);
const timer = timers.setTimeout(ontimeout, delay);
if (ref === false) timer.unref();
function ontimeout() {
if (signal) signal.removeEventListener("abort", onabort);
resolve(value);
}
function onabort() {
timers.clearTimeout(timer);
signal.removeEventListener("abort", onabort);
reject(signal.reason);
}
});
};
exports.setInterval = function setInterval(delay = 1, value, opts = {}) {
const { ref, signal } = opts;
if (signal && signal.aborted) throw signal.reason;
let error = null;
let done = false;
let timeouts = 0;
const promises = [];
if (signal && signal.aborted) throw signal.reason;
if (signal) signal.removeEventListener("abort", onabort);
let timer = timers.setInterval(ontimeout, delay);
if (ref === false) timer.unref();
return {
next() {
if (timeouts > 0) {
timeouts--;
return Promise.resolve({ value, done: false });
}
if (error) {
const err = error;
error = null;
return Promise.reject(err);
}
if (done) return onclose();
return new Promise((resolve, reject) => promises.push({ resolve, reject }));
},
return() {
return onclose();
},
throw(err) {
return onerror(err);
},
[Symbol.asyncIterator]() {
return this;
}
};
function ontimeout() {
if (promises.length) {
promises.shift().resolve({ value, done: false });
} else {
timeouts++;
}
}
function onerror(err) {
timers.clearInterval(timer);
timer = null;
if (promises.length) {
promises.shift().reject(err);
} else {
error = err;
}
return Promise.resolve({ done: true });
}
function onabort() {
signal.removeEventListener("abort", onabort);
onerror(signal.reason);
}
function onclose() {
if (timer) timers.clearInterval(timer);
if (signal) signal.removeEventListener("abort", onabort);
done = true;
if (promises.length) promises.shift().resolve({ done: true });
return Promise.resolve({ done: true });
}
};
exports.setImmediate = function setImmediate(value, opts = {}) {
const { ref, signal } = opts;
if (signal && signal.aborted) return Promise.reject(signal.reason);
return new Promise((resolve, reject) => {
if (signal) signal.addEventListener("abort", onabort);
const timer = timers.setImmediate(ontimeout);
if (ref === false) timer.unref();
function ontimeout() {
if (signal) signal.removeEventListener("abort", onabort);
resolve(value);
}
function onabort() {
timers.clearImmediate(timer);
signal.removeEventListener("abort", onabort);
reject(signal.reason);
}
});
};
}
});
// ../../node_modules/bare-timers/index.js
var require_bare_timers = __commonJS({
"../../node_modules/bare-timers/index.js"(exports) {
var binding = require_binding();
var Heap = require_heap();
var TIMEOUT = 1;
var IMMEDIATE = 2;
var ACTIVE = 1;
var CLEARED = 2;
var REFED = 4;
var REPEAT = 8;
var Task = class _Task {
static _id = 0;
constructor(scheduler2, callback, args) {
this._id = ++_Task._id;
this._state = ACTIVE | REFED;
this._scheduler = scheduler2;
this._callback = callback;
this._args = args;
}
ref() {
this._scheduler._ref(this);
return this;
}
unref() {
this._scheduler._unref(this);
return this;
}
hasRef() {
return (this._state & REFED) !== 0;
}
[Symbol.dispose]() {
this._scheduler._clear(this);
}
};
var Timeout = class extends Task {
constructor(scheduler2, delay, expiry, repeat, callback, args) {
super(scheduler2, callback, args);
this._index = -1;
this._delay = delay;
this._expiry = expiry;
if (repeat) this._state |= REPEAT;
}
get _type() {
return TIMEOUT;
}
refresh() {
this._scheduler._refresh(this);
return this;
}
};
var Immediate = class extends Task {
get _type() {
return IMMEDIATE;
}
};
var Scheduler = class {
constructor() {
this._refs = 0;
this._timeouts = new Heap();
this._immediates = [];
this._handle = binding.init(this, this._ontimeout, this._onimmediate);
const stop = this._stop.bind(this);
const start = this._start.bind(this);
Bare.on("idle", stop).on("resume", start).on("wakeup", start);
}
_acquire() {
if (this._refs++ === 0) binding.ref(this._handle);
}
_release() {
if (--this._refs === 0) binding.unref(this._handle);
}
_timeout(delay, repeat, callback, args = []) {
delay = Math.floor(delay);
if (delay < 1 || delay > Number.MAX_SAFE_INTEGER || Number.isNaN(delay)) {
delay = 1;
}
const now = Date.now();
const timeout = new Timeout(this, delay, now + delay, repeat, callback, args);
this._acquire();
const next = this._timeouts.peek();
if (next === void 0 || next._expiry > timeout._expiry) {
binding.timeout(this._handle, Math.max(0, timeout._expiry - now));
}
this._timeouts.push(timeout);
return timeout;
}
_refresh(timeout) {
timeout._expiry = Date.now() + timeout._delay;
if ((timeout._state & ACTIVE) !== 0) {
if ((timeout._state & CLEARED) !== 0) {
timeout._state &= ~CLEARED;
if ((timeout._state & REFED) !== 0) this._acquire();
}
this._timeouts.update(timeout);
} else {
timeout._state |= ACTIVE;
if ((timeout._state & REFED) !== 0) this._acquire();
this._timeouts.push(timeout);
}
}
_immediate(callback, args = []) {
const immediate = new Immediate(this, callback, args);
this._acquire();
if (this._immediates.length === 0) binding.immediate(this._handle);
this._immediates.push(immediate);
return immediate;
}
_clear(task) {
if (typeof task !== "object" || task === null) return;
if ((task._state & CLEARED) !== 0 || (task._state & ACTIVE) === 0) {
return;
}
task._state |= CLEARED;
if ((task._state & REFED) !== 0) this._release();
if (task._type === TIMEOUT) {
task._expiry = 0;
binding.timeout(this._handle, 0);
this._timeouts.update(task);
}
}
_ref(task) {
if ((task._state & REFED) !== 0 || (task._state & ACTIVE) === 0) {
return;
}
task._state |= REFED;
this._acquire();
}
_unref(task) {
if ((task._state & REFED) === 0 || (task._state & ACTIVE) === 0) {
return;
}
task._state &= ~REFED;
this._release();
}
_stop() {
binding.stop(this._handle);
}
_start() {
if (this._timeouts.length > 0) binding.timeout(this._handle, 0);
if (this._immediates.length > 0) binding.immediate(this._handle);
}
_ontimeout() {
let caught = false;
let err = null;
while (this._timeouts.length > 0) {
const now = Date.now();
const timeout = this._timeouts.peek();
if ((timeout._state & CLEARED) !== 0) {
timeout._state &= ~ACTIVE & ~CLEARED;
this._timeouts.shift();
continue;
}
if (caught || timeout._expiry > now) {
binding.timeout(this._handle, Math.max(0, timeout._expiry - now));
break;
}
if ((timeout._state & REPEAT) !== 0) {
timeout._expiry = now + timeout._delay;
this._timeouts.update(timeout);
} else {
timeout._state &= ~ACTIVE;
if ((timeout._state & REFED) !== 0) this._release();
this._timeouts.shift();
}
try {
Reflect.apply(timeout._callback, null, timeout._args);
} catch (e) {
caught = true;
err = e;
}
}
if (caught) throw err;
}
_onimmediate() {
const immediates = this._immediates;
this._immediates = [];
let caught = false;
let err = null;
for (let i = 0, n = immediates.length; i < n; i++) {
const immediate = immediates[i];
if ((immediate._state & CLEARED) !== 0) {
immediate._state &= ~ACTIVE & ~CLEARED;
continue;
}
if (caught) {
const remaining = immediates.slice(i);
if (this._immediates.length === 0) {
this._immediates = remaining;
} else {
this._immediates = remaining.concat(this._immediates);
}
binding.immediate(this._handle);
break;
}
immediate._state &= ~ACTIVE;
if ((immediate._state & REFED) !== 0) this._release();
try {
Reflect.apply(immediate._callback, null, immediate._args);
} catch (e) {
caught = true;
err = e;
}
}
if (caught) throw err;
}
};
var scheduler = new Scheduler();
exports.setTimeout = function setTimeout(callback, delay, ...args) {
return scheduler._timeout(delay, false, callback, args);
};
exports.clearTimeout = function clearTimeout(timeout) {
scheduler._clear(timeout);
};
exports.setInterval = function setInterval(callback, delay, ...args) {
return scheduler._timeout(delay, true, callback, args);
};
exports.clearInterval = function clearInterval(timeout) {
scheduler._clear(timeout);
};
exports.setImmediate = function setImmediate(callback, ...args) {
return scheduler._immediate(callback, args);
};
exports.clearImmediate = function clearImmediate(immediate) {
scheduler._clear(immediate);
};
exports.promises = require_promises();
}
});
// ../../bare-lib-entry-bareTimers.js
var bare_lib_entry_bareTimers_exports = {};
__export(bare_lib_entry_bareTimers_exports, {
default: () => bare_lib_entry_bareTimers_default
});
var import_bare_timers = __toESM(require_bare_timers());
var bare_lib_entry_bareTimers_default = import_bare_timers.default;
return __toCommonJS(bare_lib_entry_bareTimers_exports);
})();
;(function(){var g=globalThis;var s="__bare_os_stdlib__";g[s]=g[s]||{};var e=typeof __bare_os_bundle_exports__!=="undefined"?__bare_os_bundle_exports__:void 0;var v=e!=null&&typeof e==="object"&&Object.prototype.hasOwnProperty.call(e,"default")?e.default:e;g[s]["bareTimers"]=v;})();