Files
website/node_modules/@emnapi/runtime/dist/emnapi.cjs.js
2024-05-06 17:15:30 -04:00

1362 lines
40 KiB
JavaScript

const EMPTY_ARGS = [];
class CallbackInfo {
constructor(id, parent, child, thiz, data, args, fn) {
this.id = id;
this.parent = parent;
this.child = child;
this.thiz = thiz;
this.data = data;
this.args = args;
this.fn = fn;
}
getNewTarget(envObject) {
const thiz = this.thiz;
if (thiz == null || thiz.constructor == null)
return 0;
return thiz instanceof this.fn ? envObject.ensureHandleId(thiz.constructor) : 0;
}
dispose() {
if (this.thiz !== undefined)
this.thiz = undefined;
this.args = EMPTY_ARGS;
this.fn = null;
}
}
const ROOT_CBINFO = new CallbackInfo(0, null, null, null, 0, null, null);
class CallbackInfoStack {
constructor() {
this.current = ROOT_CBINFO;
}
get(id) {
if (id === 1)
return ROOT_CBINFO.child;
let info = ROOT_CBINFO;
for (let i = 0; i < id; ++i) {
info = info.child;
if (info === null)
return null;
}
return info === ROOT_CBINFO ? null : info;
}
pop() {
const current = this.current;
if (current === ROOT_CBINFO)
return;
this.current = current.parent;
current.dispose();
}
push(thiz, data, args, fn) {
let info = this.current.child;
if (info) {
info.thiz = thiz;
info.data = data;
info.args = args;
info.fn = fn;
}
else {
info = new CallbackInfo(this.current.id + 1, this.current, null, thiz, data, args, fn);
this.current.child = info;
}
this.current = info;
return info.id;
}
dispose() {
this.current = null;
}
}
const supportNewFunction = (function () {
let f;
try {
f = new Function();
}
catch (_) {
return false;
}
return typeof f === 'function';
})();
const _global = (function () {
if (typeof globalThis !== 'undefined')
return globalThis;
let g = (function () { return this; })();
if (!g && supportNewFunction) {
try {
g = new Function('return this')();
}
catch (_) { }
}
if (!g) {
if (typeof __webpack_public_path__ === 'undefined') {
if (typeof global !== 'undefined')
return global;
}
if (typeof window !== 'undefined')
return window;
if (typeof self !== 'undefined')
return self;
}
return g;
})();
class TryCatch {
constructor() {
this._exception = undefined;
this._caught = false;
}
isEmpty() {
return !this._caught;
}
hasCaught() {
return this._caught;
}
exception() {
return this._exception;
}
setError(err) {
this._caught = true;
this._exception = err;
}
reset() {
this._caught = false;
this._exception = undefined;
}
extractException() {
const e = this._exception;
this.reset();
return e;
}
}
const canSetFunctionName = (function () {
var _a;
try {
return Boolean((_a = Object.getOwnPropertyDescriptor(Function.prototype, 'name')) === null || _a === void 0 ? void 0 : _a.configurable);
}
catch (_) {
return false;
}
})();
const supportReflect = typeof Reflect === 'object';
const supportFinalizer = (typeof FinalizationRegistry !== 'undefined') && (typeof WeakRef !== 'undefined');
const supportWeakSymbol = (function () {
try {
const sym = Symbol();
new WeakRef(sym);
new WeakMap().set(sym, undefined);
}
catch (_) {
return false;
}
return true;
})();
const supportBigInt = typeof BigInt !== 'undefined';
function isReferenceType(v) {
return (typeof v === 'object' && v !== null) || typeof v === 'function';
}
const _require = (function () {
let nativeRequire;
if (typeof __webpack_public_path__ !== 'undefined') {
nativeRequire = (function () {
return typeof __non_webpack_require__ !== 'undefined' ? __non_webpack_require__ : undefined;
})();
}
else {
nativeRequire = (function () {
return typeof __webpack_public_path__ !== 'undefined' ? (typeof __non_webpack_require__ !== 'undefined' ? __non_webpack_require__ : undefined) : (typeof require !== 'undefined' ? require : undefined);
})();
}
return nativeRequire;
})();
const _MessageChannel = typeof MessageChannel === 'function'
? MessageChannel
: (function () {
try {
return _require('worker_threads').MessageChannel;
}
catch (_) { }
return undefined;
})();
const _setImmediate = typeof setImmediate === 'function'
? setImmediate
: function (callback) {
if (typeof callback !== 'function') {
throw new TypeError('The "callback" argument must be of type function');
}
if (_MessageChannel) {
let channel = new _MessageChannel();
channel.port1.onmessage = function () {
channel.port1.onmessage = null;
channel = undefined;
callback();
};
channel.port2.postMessage(null);
}
else {
setTimeout(callback, 0);
}
};
const _Buffer = typeof Buffer === 'function'
? Buffer
: (function () {
try {
return _require('buffer').Buffer;
}
catch (_) { }
return undefined;
})();
const version = "1.1.1";
const NODE_API_SUPPORTED_VERSION_MIN = 1;
const NODE_API_SUPPORTED_VERSION_MAX = 9;
const NAPI_VERSION_EXPERIMENTAL = 2147483647;
const NODE_API_DEFAULT_MODULE_API_VERSION = 8;
class Handle {
constructor(id, value) {
this.id = id;
this.value = value;
}
data(envObject) {
return envObject.getObjectBinding(this.value).data;
}
isNumber() {
return typeof this.value === 'number';
}
isBigInt() {
return typeof this.value === 'bigint';
}
isString() {
return typeof this.value === 'string';
}
isFunction() {
return typeof this.value === 'function';
}
isExternal() {
return (isReferenceType(this.value) && Object.getPrototypeOf(this.value) === null);
}
isObject() {
return typeof this.value === 'object' && this.value !== null;
}
isArray() {
return Array.isArray(this.value);
}
isArrayBuffer() {
return (this.value instanceof ArrayBuffer);
}
isTypedArray() {
return (ArrayBuffer.isView(this.value)) && !(this.value instanceof DataView);
}
isBuffer() {
return typeof _Buffer === 'function' && _Buffer.isBuffer(this.value);
}
isDataView() {
return (this.value instanceof DataView);
}
isDate() {
return (this.value instanceof Date);
}
isPromise() {
return (this.value instanceof Promise);
}
isBoolean() {
return typeof this.value === 'boolean';
}
isUndefined() {
return this.value === undefined;
}
isSymbol() {
return typeof this.value === 'symbol';
}
isNull() {
return this.value === null;
}
dispose() {
this.value = undefined;
}
}
class ConstHandle extends Handle {
constructor(id, value) {
super(id, value);
}
dispose() { }
}
function External() {
Object.setPrototypeOf(this, null);
}
External.prototype = null;
class HandleStore {
constructor() {
this._values = [
undefined,
HandleStore.UNDEFINED,
HandleStore.NULL,
HandleStore.FALSE,
HandleStore.TRUE,
HandleStore.GLOBAL
];
this._next = HandleStore.MIN_ID;
}
push(value) {
let h;
const next = this._next;
const values = this._values;
if (next < values.length) {
h = values[next];
h.value = value;
}
else {
h = new Handle(next, value);
values[next] = h;
}
this._next++;
return h;
}
erase(start, end) {
this._next = start;
const values = this._values;
for (let i = start; i < end; ++i) {
values[i].dispose();
}
}
get(id) {
return this._values[id];
}
swap(a, b) {
const values = this._values;
const h = values[a];
values[a] = values[b];
values[a].id = Number(a);
values[b] = h;
h.id = Number(b);
}
dispose() {
this._values.length = HandleStore.MIN_ID;
this._next = HandleStore.MIN_ID;
}
}
HandleStore.UNDEFINED = new ConstHandle(1, undefined);
HandleStore.NULL = new ConstHandle(2, null);
HandleStore.FALSE = new ConstHandle(3, false);
HandleStore.TRUE = new ConstHandle(4, true);
HandleStore.GLOBAL = new ConstHandle(5, _global);
HandleStore.MIN_ID = 6;
class HandleScope {
constructor(handleStore, id, parentScope, start, end = start) {
this.handleStore = handleStore;
this.id = id;
this.parent = parentScope;
this.child = null;
if (parentScope !== null)
parentScope.child = this;
this.start = start;
this.end = end;
this._escapeCalled = false;
}
add(value) {
const h = this.handleStore.push(value);
this.end++;
return h;
}
addExternal(envObject, data) {
const value = new External();
const h = envObject.ctx.handleStore.push(value);
const binding = envObject.initObjectBinding(value);
binding.data = data;
this.end++;
return h;
}
dispose() {
if (this.start === this.end)
return;
this.handleStore.erase(this.start, this.end);
}
escape(handle) {
if (this._escapeCalled)
return null;
this._escapeCalled = true;
if (handle < this.start || handle >= this.end) {
return null;
}
this.handleStore.swap(handle, this.start);
const h = this.handleStore.get(this.start);
this.start++;
this.parent.end++;
return h;
}
escapeCalled() {
return this._escapeCalled;
}
}
class ScopeStore {
constructor() {
this._rootScope = new HandleScope(null, 0, null, 1, HandleStore.MIN_ID);
this.currentScope = this._rootScope;
}
get(id) {
id = Number(id);
let scope = this.currentScope;
while (scope !== this._rootScope) {
if (scope.id === id) {
return scope;
}
scope = scope.parent;
}
return undefined;
}
openScope(envObject) {
const currentScope = this.currentScope;
let scope = currentScope.child;
if (scope !== null) {
scope.start = scope.end = currentScope.end;
scope._escapeCalled = false;
}
else {
scope = new HandleScope(envObject.ctx.handleStore, currentScope.id + 1, currentScope, currentScope.end);
}
this.currentScope = scope;
envObject.openHandleScopes++;
return scope;
}
closeScope(envObject) {
if (envObject.openHandleScopes === 0)
return;
const scope = this.currentScope;
this.currentScope = scope.parent;
scope.dispose();
envObject.openHandleScopes--;
}
dispose() {
let scope = this.currentScope;
while (scope !== null) {
scope.handleStore = null;
scope.id = 0;
scope.parent = null;
scope.start = HandleStore.MIN_ID;
scope.end = HandleStore.MIN_ID;
scope._escapeCalled = false;
const child = scope.child;
scope.child = null;
scope = child;
}
this.currentScope = null;
}
}
class RefTracker {
constructor() {
this._next = null;
this._prev = null;
}
finalize() { }
link(list) {
this._prev = list;
this._next = list._next;
if (this._next !== null) {
this._next._prev = this;
}
list._next = this;
}
unlink() {
if (this._prev !== null) {
this._prev._next = this._next;
}
if (this._next !== null) {
this._next._prev = this._prev;
}
this._prev = null;
this._next = null;
}
static finalizeAll(list) {
while (list._next !== null) {
list._next.finalize();
}
}
}
class Finalizer {
constructor(envObject, _finalizeCallback = 0, _finalizeData = 0, _finalizeHint = 0) {
this.envObject = envObject;
this._finalizeCallback = _finalizeCallback;
this._finalizeData = _finalizeData;
this._finalizeHint = _finalizeHint;
}
callback() { return this._finalizeCallback; }
data() { return this._finalizeData; }
hint() { return this._finalizeHint; }
resetFinalizer() {
this._finalizeCallback = 0;
this._finalizeData = 0;
this._finalizeHint = 0;
}
dispose() {
this.envObject = undefined;
}
}
class TrackedFinalizer extends Finalizer {
static finalizeAll(list) {
RefTracker.finalizeAll(list);
}
link(list) {
RefTracker.prototype.link.call(this, list);
}
unlink() {
RefTracker.prototype.unlink.call(this);
}
static create(envObject, finalize_callback, finalize_data, finalize_hint) {
return new TrackedFinalizer(envObject, finalize_callback, finalize_data, finalize_hint);
}
constructor(envObject, finalize_callback, finalize_data, finalize_hint) {
super(envObject, finalize_callback, finalize_data, finalize_hint);
this._next = null;
this._prev = null;
this.link(!finalize_callback ? envObject.reflist : envObject.finalizing_reflist);
}
dispose() {
this.unlink();
this.envObject.dequeueFinalizer(this);
super.dispose();
}
finalize() {
this.finalizeCore(true);
}
finalizeCore(deleteMe) {
const finalize_callback = this._finalizeCallback;
const finalize_data = this._finalizeData;
const finalize_hint = this._finalizeHint;
this.resetFinalizer();
this.unlink();
let error;
let caught = false;
if (finalize_callback) {
const fini = Number(finalize_callback);
try {
this.envObject.callFinalizer(fini, finalize_data, finalize_hint);
}
catch (err) {
caught = true;
error = err;
}
}
if (deleteMe) {
this.dispose();
}
if (caught) {
throw error;
}
}
}
class RefBase extends TrackedFinalizer {
constructor(envObject, initial_refcount, ownership, finalize_callback, finalize_data, finalize_hint) {
super(envObject, finalize_callback, finalize_data, finalize_hint);
this._refcount = initial_refcount;
this._ownership = ownership;
}
data() {
return this._finalizeData;
}
ref() {
return ++this._refcount;
}
unref() {
if (this._refcount === 0) {
return 0;
}
return --this._refcount;
}
refCount() {
return this._refcount;
}
ownership() {
return this._ownership;
}
finalize() {
this.finalizeCore(this._ownership === 0);
}
}
function throwNodeApiVersionError(moduleName, moduleApiVersion) {
const errorMessage = `${moduleName} requires Node-API version ${moduleApiVersion}, but this version of Node.js only supports version ${NODE_API_SUPPORTED_VERSION_MAX} add-ons.`;
throw new Error(errorMessage);
}
function handleThrow(envObject, value) {
if (envObject.terminatedOrTerminating()) {
return;
}
throw value;
}
class Env {
constructor(ctx, moduleApiVersion, makeDynCall_vppp, makeDynCall_vp, abort) {
this.ctx = ctx;
this.moduleApiVersion = moduleApiVersion;
this.makeDynCall_vppp = makeDynCall_vppp;
this.makeDynCall_vp = makeDynCall_vp;
this.abort = abort;
this.openHandleScopes = 0;
this.instanceData = null;
this.tryCatch = new TryCatch();
this.refs = 1;
this.reflist = new RefTracker();
this.finalizing_reflist = new RefTracker();
this.pendingFinalizers = [];
this.lastError = {
errorCode: 0,
engineErrorCode: 0,
engineReserved: 0
};
this.inGcFinalizer = false;
this._bindingMap = new WeakMap();
this.id = 0;
}
canCallIntoJs() {
return true;
}
terminatedOrTerminating() {
return !this.canCallIntoJs();
}
ref() {
this.refs++;
}
unref() {
this.refs--;
if (this.refs === 0) {
this.dispose();
}
}
ensureHandle(value) {
return this.ctx.ensureHandle(value);
}
ensureHandleId(value) {
return this.ensureHandle(value).id;
}
clearLastError() {
const lastError = this.lastError;
if (lastError.errorCode !== 0)
lastError.errorCode = 0;
if (lastError.engineErrorCode !== 0)
lastError.engineErrorCode = 0;
if (lastError.engineReserved !== 0)
lastError.engineReserved = 0;
return 0;
}
setLastError(error_code, engine_error_code = 0, engine_reserved = 0) {
const lastError = this.lastError;
if (lastError.errorCode !== error_code)
lastError.errorCode = error_code;
if (lastError.engineErrorCode !== engine_error_code)
lastError.engineErrorCode = engine_error_code;
if (lastError.engineReserved !== engine_reserved)
lastError.engineReserved = engine_reserved;
return error_code;
}
getReturnStatus() {
return !this.tryCatch.hasCaught() ? 0 : this.setLastError(10);
}
callIntoModule(fn, handleException = handleThrow) {
const openHandleScopesBefore = this.openHandleScopes;
this.clearLastError();
const r = fn(this);
if (openHandleScopesBefore !== this.openHandleScopes) {
this.abort('open_handle_scopes != open_handle_scopes_before');
}
if (this.tryCatch.hasCaught()) {
const err = this.tryCatch.extractException();
handleException(this, err);
}
return r;
}
callFinalizer(cb, data, hint) {
const f = this.makeDynCall_vppp(cb);
const env = this.id;
const scope = this.ctx.openScope(this);
try {
this.callIntoModule(() => { f(env, data, hint); });
}
finally {
this.ctx.closeScope(this, scope);
}
}
invokeFinalizerFromGC(finalizer) {
if (this.moduleApiVersion !== NAPI_VERSION_EXPERIMENTAL) {
this.enqueueFinalizer(finalizer);
}
else {
const saved = this.inGcFinalizer;
this.inGcFinalizer = true;
try {
finalizer.finalize();
}
finally {
this.inGcFinalizer = saved;
}
}
}
checkGCAccess() {
if (this.moduleApiVersion === NAPI_VERSION_EXPERIMENTAL && this.inGcFinalizer) {
this.abort('Finalizer is calling a function that may affect GC state.\n' +
'The finalizers are run directly from GC and must not affect GC ' +
'state.\n' +
'Use `node_api_post_finalizer` from inside of the finalizer to work ' +
'around this issue.\n' +
'It schedules the call as a new task in the event loop.');
}
}
enqueueFinalizer(finalizer) {
if (this.pendingFinalizers.indexOf(finalizer) === -1) {
this.pendingFinalizers.push(finalizer);
}
}
dequeueFinalizer(finalizer) {
const index = this.pendingFinalizers.indexOf(finalizer);
if (index !== -1) {
this.pendingFinalizers.splice(index, 1);
}
}
deleteMe() {
RefBase.finalizeAll(this.finalizing_reflist);
RefBase.finalizeAll(this.reflist);
this.tryCatch.extractException();
this.ctx.envStore.remove(this.id);
}
dispose() {
if (this.id === 0)
return;
this.deleteMe();
this.id = 0;
}
initObjectBinding(value) {
const binding = {
wrapped: 0,
tag: null,
data: 0
};
this._bindingMap.set(value, binding);
return binding;
}
getObjectBinding(value) {
if (this._bindingMap.has(value)) {
return this._bindingMap.get(value);
}
return this.initObjectBinding(value);
}
setInstanceData(data, finalize_cb, finalize_hint) {
if (this.instanceData) {
this.instanceData.dispose();
}
this.instanceData = new RefBase(this, 0, 0, finalize_cb, data, finalize_hint);
}
getInstanceData() {
return this.instanceData ? this.instanceData.data() : 0;
}
}
class NodeEnv extends Env {
constructor(ctx, filename, moduleApiVersion, makeDynCall_vppp, makeDynCall_vp, abort, nodeBinding) {
super(ctx, moduleApiVersion, makeDynCall_vppp, makeDynCall_vp, abort);
this.filename = filename;
this.nodeBinding = nodeBinding;
this.destructing = false;
this.finalizationScheduled = false;
}
deleteMe() {
this.destructing = true;
this.drainFinalizerQueue();
super.deleteMe();
}
canCallIntoJs() {
return super.canCallIntoJs() && this.ctx.canCallIntoJs();
}
triggerFatalException(err) {
if (this.nodeBinding) {
this.nodeBinding.napi.fatalException(err);
}
else {
if (typeof process === 'object' && process !== null && typeof process._fatalException === 'function') {
const handled = process._fatalException(err);
if (!handled) {
console.error(err);
process.exit(1);
}
}
else {
throw err;
}
}
}
callbackIntoModule(enforceUncaughtExceptionPolicy, fn) {
return this.callIntoModule(fn, (envObject, err) => {
if (envObject.terminatedOrTerminating()) {
return;
}
const hasProcess = typeof process === 'object' && process !== null;
const hasForceFlag = hasProcess ? Boolean(process.execArgv && (process.execArgv.indexOf('--force-node-api-uncaught-exceptions-policy') !== -1)) : false;
if (envObject.moduleApiVersion < NAPI_VERSION_EXPERIMENTAL && !hasForceFlag && !enforceUncaughtExceptionPolicy) {
const warn = hasProcess && typeof process.emitWarning === 'function'
? process.emitWarning
: function (warning, type, code) {
if (warning instanceof Error) {
console.warn(warning.toString());
}
else {
const prefix = code ? `[${code}] ` : '';
console.warn(`${prefix}${type || 'Warning'}: ${warning}`);
}
};
warn('Uncaught N-API callback exception detected, please run node with option --force-node-api-uncaught-exceptions-policy=true to handle those exceptions properly.', 'DeprecationWarning', 'DEP0168');
return;
}
envObject.triggerFatalException(err);
});
}
callFinalizer(cb, data, hint) {
this.callFinalizerInternal(1, cb, data, hint);
}
callFinalizerInternal(forceUncaught, cb, data, hint) {
const f = this.makeDynCall_vppp(cb);
const env = this.id;
const scope = this.ctx.openScope(this);
try {
this.callbackIntoModule(Boolean(forceUncaught), () => { f(env, data, hint); });
}
finally {
this.ctx.closeScope(this, scope);
}
}
enqueueFinalizer(finalizer) {
super.enqueueFinalizer(finalizer);
if (!this.finalizationScheduled && !this.destructing) {
this.finalizationScheduled = true;
this.ref();
_setImmediate(() => {
this.finalizationScheduled = false;
this.unref();
this.drainFinalizerQueue();
});
}
}
drainFinalizerQueue() {
while (this.pendingFinalizers.length > 0) {
const refTracker = this.pendingFinalizers.shift();
refTracker.finalize();
}
}
}
function newEnv(ctx, filename, moduleApiVersion, makeDynCall_vppp, makeDynCall_vp, abort, nodeBinding) {
moduleApiVersion = typeof moduleApiVersion !== 'number' ? NODE_API_DEFAULT_MODULE_API_VERSION : moduleApiVersion;
if (moduleApiVersion < NODE_API_DEFAULT_MODULE_API_VERSION) {
moduleApiVersion = NODE_API_DEFAULT_MODULE_API_VERSION;
}
else if (moduleApiVersion > NODE_API_SUPPORTED_VERSION_MAX && moduleApiVersion !== NAPI_VERSION_EXPERIMENTAL) {
throwNodeApiVersionError(filename, moduleApiVersion);
}
const env = new NodeEnv(ctx, filename, moduleApiVersion, makeDynCall_vppp, makeDynCall_vp, abort, nodeBinding);
ctx.envStore.add(env);
ctx.addCleanupHook(env, () => { env.unref(); }, 0);
return env;
}
class EmnapiError extends Error {
constructor(message) {
super(message);
const ErrorConstructor = new.target;
const proto = ErrorConstructor.prototype;
if (!(this instanceof EmnapiError)) {
const setPrototypeOf = Object.setPrototypeOf;
if (typeof setPrototypeOf === 'function') {
setPrototypeOf.call(Object, this, proto);
}
else {
this.__proto__ = proto;
}
if (typeof Error.captureStackTrace === 'function') {
Error.captureStackTrace(this, ErrorConstructor);
}
}
}
}
Object.defineProperty(EmnapiError.prototype, 'name', {
configurable: true,
writable: true,
value: 'EmnapiError'
});
class NotSupportWeakRefError extends EmnapiError {
constructor(api, message) {
super(`${api}: The current runtime does not support "FinalizationRegistry" and "WeakRef".${message ? ` ${message}` : ''}`);
}
}
Object.defineProperty(NotSupportWeakRefError.prototype, 'name', {
configurable: true,
writable: true,
value: 'NotSupportWeakRefError'
});
class NotSupportBufferError extends EmnapiError {
constructor(api, message) {
super(`${api}: The current runtime does not support "Buffer". Consider using buffer polyfill to make sure \`globalThis.Buffer\` is defined.${message ? ` ${message}` : ''}`);
}
}
Object.defineProperty(NotSupportBufferError.prototype, 'name', {
configurable: true,
writable: true,
value: 'NotSupportBufferError'
});
class StrongRef {
constructor(value) {
this._value = value;
}
deref() {
return this._value;
}
dispose() {
this._value = undefined;
}
}
class Persistent {
constructor(value) {
this._ref = new StrongRef(value);
}
setWeak(param, callback) {
if (!supportFinalizer || this._ref === undefined || this._ref instanceof WeakRef)
return;
const value = this._ref.deref();
try {
Persistent._registry.register(value, this, this);
const weakRef = new WeakRef(value);
this._ref.dispose();
this._ref = weakRef;
this._param = param;
this._callback = callback;
}
catch (err) {
if (typeof value === 'symbol') ;
else {
throw err;
}
}
}
clearWeak() {
if (!supportFinalizer || this._ref === undefined)
return;
if (this._ref instanceof WeakRef) {
try {
Persistent._registry.unregister(this);
}
catch (_) { }
this._param = undefined;
this._callback = undefined;
const value = this._ref.deref();
if (value === undefined) {
this._ref = value;
}
else {
this._ref = new StrongRef(value);
}
}
}
reset() {
if (supportFinalizer) {
try {
Persistent._registry.unregister(this);
}
catch (_) { }
}
this._param = undefined;
this._callback = undefined;
if (this._ref instanceof StrongRef) {
this._ref.dispose();
}
this._ref = undefined;
}
isEmpty() {
return this._ref === undefined;
}
deref() {
if (this._ref === undefined)
return undefined;
return this._ref.deref();
}
}
Persistent._registry = supportFinalizer
? new FinalizationRegistry((value) => {
value._ref = undefined;
const callback = value._callback;
const param = value._param;
value._callback = undefined;
value._param = undefined;
if (typeof callback === 'function') {
callback(param);
}
})
: undefined;
function weakCallback(ref) {
ref.persistent.reset();
ref.envObject.invokeFinalizerFromGC(ref);
}
function canBeHeldWeakly(value) {
return value.isObject() || value.isFunction() || value.isSymbol();
}
class Reference extends RefBase {
static create(envObject, handle_id, initialRefcount, ownership, finalize_callback = 0, finalize_data = 0, finalize_hint = 0) {
const handle = envObject.ctx.handleStore.get(handle_id);
const ref = new Reference(envObject, initialRefcount, ownership, finalize_callback, finalize_data, finalize_hint);
envObject.ctx.refStore.add(ref);
ref.canBeWeak = canBeHeldWeakly(handle);
ref.persistent = new Persistent(handle.value);
if (initialRefcount === 0) {
ref._setWeak();
}
return ref;
}
constructor(envObject, initialRefcount, ownership, finalize_callback = 0, finalize_data = 0, finalize_hint = 0) {
super(envObject, initialRefcount >>> 0, ownership, finalize_callback, finalize_data, finalize_hint);
this.id = 0;
}
ref() {
if (this.persistent.isEmpty()) {
return 0;
}
const count = super.ref();
if (count === 1 && this.canBeWeak) {
this.persistent.clearWeak();
}
return count;
}
unref() {
if (this.persistent.isEmpty()) {
return 0;
}
const oldRefcount = this.refCount();
const refcount = super.unref();
if (oldRefcount === 1 && refcount === 0) {
this._setWeak();
}
return refcount;
}
get() {
if (this.persistent.isEmpty()) {
return 0;
}
const obj = this.persistent.deref();
const handle = this.envObject.ensureHandle(obj);
return handle.id;
}
_setWeak() {
if (this.canBeWeak) {
this.persistent.setWeak(this, weakCallback);
}
else {
this.persistent.reset();
}
}
finalize() {
this.persistent.reset();
super.finalize();
}
dispose() {
if (this.id === 0)
return;
this.persistent.reset();
this.envObject.ctx.refStore.remove(this.id);
super.dispose();
this.id = 0;
}
}
class Deferred {
static create(ctx, value) {
const deferred = new Deferred(ctx, value);
ctx.deferredStore.add(deferred);
return deferred;
}
constructor(ctx, value) {
this.id = 0;
this.ctx = ctx;
this.value = value;
}
resolve(value) {
this.value.resolve(value);
this.dispose();
}
reject(reason) {
this.value.reject(reason);
this.dispose();
}
dispose() {
this.ctx.deferredStore.remove(this.id);
this.id = 0;
this.value = null;
this.ctx = null;
}
}
class Store {
constructor() {
this._values = [undefined];
this._values.length = 4;
this._size = 1;
this._freeList = [];
}
add(value) {
let id;
if (this._freeList.length) {
id = this._freeList.shift();
}
else {
id = this._size;
this._size++;
const capacity = this._values.length;
if (id >= capacity) {
this._values.length = capacity + (capacity >> 1) + 16;
}
}
value.id = id;
this._values[id] = value;
}
get(id) {
return this._values[id];
}
has(id) {
return this._values[id] !== undefined;
}
remove(id) {
const value = this._values[id];
if (value) {
value.id = 0;
this._values[id] = undefined;
this._freeList.push(Number(id));
}
}
dispose() {
for (let i = 1; i < this._size; ++i) {
const value = this._values[i];
value === null || value === void 0 ? void 0 : value.dispose();
}
this._values = [undefined];
this._size = 1;
this._freeList = [];
}
}
class CleanupHookCallback {
constructor(envObject, fn, arg, order) {
this.envObject = envObject;
this.fn = fn;
this.arg = arg;
this.order = order;
}
}
class CleanupQueue {
constructor() {
this._cleanupHooks = [];
this._cleanupHookCounter = 0;
}
empty() {
return this._cleanupHooks.length === 0;
}
add(envObject, fn, arg) {
if (this._cleanupHooks.filter((hook) => (hook.envObject === envObject && hook.fn === fn && hook.arg === arg)).length > 0) {
throw new Error('Can not add same fn and arg twice');
}
this._cleanupHooks.push(new CleanupHookCallback(envObject, fn, arg, this._cleanupHookCounter++));
}
remove(envObject, fn, arg) {
for (let i = 0; i < this._cleanupHooks.length; ++i) {
const hook = this._cleanupHooks[i];
if (hook.envObject === envObject && hook.fn === fn && hook.arg === arg) {
this._cleanupHooks.splice(i, 1);
return;
}
}
}
drain() {
const hooks = this._cleanupHooks.slice();
hooks.sort((a, b) => (b.order - a.order));
for (let i = 0; i < hooks.length; ++i) {
const cb = hooks[i];
if (typeof cb.fn === 'number') {
cb.envObject.makeDynCall_vp(cb.fn)(cb.arg);
}
else {
cb.fn(cb.arg);
}
this._cleanupHooks.splice(this._cleanupHooks.indexOf(cb), 1);
}
}
dispose() {
this._cleanupHooks.length = 0;
this._cleanupHookCounter = 0;
}
}
class NodejsWaitingRequestCounter {
constructor() {
this.refHandle = new _MessageChannel().port1;
this.count = 0;
}
increase() {
if (this.count === 0) {
this.refHandle.ref();
}
this.count++;
}
decrease() {
if (this.count === 0)
return;
if (this.count === 1) {
this.refHandle.unref();
}
this.count--;
}
}
class Context {
constructor() {
this._isStopping = false;
this._canCallIntoJs = true;
this.envStore = new Store();
this.scopeStore = new ScopeStore();
this.refStore = new Store();
this.deferredStore = new Store();
this.handleStore = new HandleStore();
this.cbinfoStack = new CallbackInfoStack();
this.feature = {
supportReflect,
supportFinalizer,
supportWeakSymbol,
supportBigInt,
supportNewFunction,
canSetFunctionName,
setImmediate: _setImmediate,
Buffer: _Buffer,
MessageChannel: _MessageChannel
};
this.cleanupQueue = new CleanupQueue();
if (typeof process === 'object' && process !== null && typeof process.once === 'function') {
this.refCounter = new NodejsWaitingRequestCounter();
process.once('beforeExit', () => {
this.destroy();
});
}
}
getRuntimeVersions() {
return {
version,
NODE_API_SUPPORTED_VERSION_MAX,
NAPI_VERSION_EXPERIMENTAL,
NODE_API_DEFAULT_MODULE_API_VERSION
};
}
createNotSupportWeakRefError(api, message) {
return new NotSupportWeakRefError(api, message);
}
createNotSupportBufferError(api, message) {
return new NotSupportBufferError(api, message);
}
createReference(envObject, handle_id, initialRefcount, ownership, finalize_callback = 0, finalize_data = 0, finalize_hint = 0) {
return Reference.create(envObject, handle_id, initialRefcount, ownership, finalize_callback, finalize_data, finalize_hint);
}
createDeferred(value) {
return Deferred.create(this, value);
}
createEnv(filename, moduleApiVersion, makeDynCall_vppp, makeDynCall_vp, abort, nodeBinding) {
return newEnv(this, filename, moduleApiVersion, makeDynCall_vppp, makeDynCall_vp, abort, nodeBinding);
}
createTrackedFinalizer(envObject, finalize_callback, finalize_data, finalize_hint) {
return TrackedFinalizer.create(envObject, finalize_callback, finalize_data, finalize_hint);
}
getCurrentScope() {
return this.scopeStore.currentScope;
}
addToCurrentScope(value) {
return this.scopeStore.currentScope.add(value);
}
openScope(envObject) {
return this.scopeStore.openScope(envObject);
}
closeScope(envObject, _scope) {
this.scopeStore.closeScope(envObject);
}
ensureHandle(value) {
switch (value) {
case undefined: return HandleStore.UNDEFINED;
case null: return HandleStore.NULL;
case true: return HandleStore.TRUE;
case false: return HandleStore.FALSE;
case _global: return HandleStore.GLOBAL;
}
return this.addToCurrentScope(value);
}
addCleanupHook(envObject, fn, arg) {
this.cleanupQueue.add(envObject, fn, arg);
}
removeCleanupHook(envObject, fn, arg) {
this.cleanupQueue.remove(envObject, fn, arg);
}
runCleanup() {
while (!this.cleanupQueue.empty()) {
this.cleanupQueue.drain();
}
}
increaseWaitingRequestCounter() {
var _a;
(_a = this.refCounter) === null || _a === void 0 ? void 0 : _a.increase();
}
decreaseWaitingRequestCounter() {
var _a;
(_a = this.refCounter) === null || _a === void 0 ? void 0 : _a.decrease();
}
setCanCallIntoJs(value) {
this._canCallIntoJs = value;
}
setStopping(value) {
this._isStopping = value;
}
canCallIntoJs() {
return this._canCallIntoJs && !this._isStopping;
}
destroy() {
this.setStopping(true);
this.setCanCallIntoJs(false);
this.runCleanup();
}
}
let defaultContext;
function createContext() {
return new Context();
}
function getDefaultContext() {
if (!defaultContext) {
defaultContext = createContext();
}
return defaultContext;
}
exports.CallbackInfo = CallbackInfo;
exports.CallbackInfoStack = CallbackInfoStack;
exports.ConstHandle = ConstHandle;
exports.Context = Context;
exports.Deferred = Deferred;
exports.EmnapiError = EmnapiError;
exports.Env = Env;
exports.Finalizer = Finalizer;
exports.Handle = Handle;
exports.HandleScope = HandleScope;
exports.HandleStore = HandleStore;
exports.NAPI_VERSION_EXPERIMENTAL = NAPI_VERSION_EXPERIMENTAL;
exports.NODE_API_DEFAULT_MODULE_API_VERSION = NODE_API_DEFAULT_MODULE_API_VERSION;
exports.NODE_API_SUPPORTED_VERSION_MAX = NODE_API_SUPPORTED_VERSION_MAX;
exports.NODE_API_SUPPORTED_VERSION_MIN = NODE_API_SUPPORTED_VERSION_MIN;
exports.NodeEnv = NodeEnv;
exports.NotSupportBufferError = NotSupportBufferError;
exports.NotSupportWeakRefError = NotSupportWeakRefError;
exports.Persistent = Persistent;
exports.RefBase = RefBase;
exports.RefTracker = RefTracker;
exports.Reference = Reference;
exports.ScopeStore = ScopeStore;
exports.Store = Store;
exports.TrackedFinalizer = TrackedFinalizer;
exports.TryCatch = TryCatch;
exports.createContext = createContext;
exports.getDefaultContext = getDefaultContext;
exports.isReferenceType = isReferenceType;
exports.version = version;