@picovoice/koala-web
Version:
Koala Noise Suppression engine for web browsers (via WebAssembly)
1,265 lines (1,212 loc) • 3.45 MB
JavaScript
var KoalaWeb = (function (exports) {
'use strict';
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
Promise.resolve(value).then(_next, _throw);
}
}
function _asyncToGenerator(fn) {
return function () {
var self = this,
args = arguments;
return new Promise(function (resolve, reject) {
var gen = fn.apply(self, args);
function _next(value) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
}
function _throw(err) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
}
_next(undefined);
});
};
}
function _classCallCheck$1(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
function _typeof$3(obj) {
"@babel/helpers - typeof";
return _typeof$3 = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
}, _typeof$3(obj);
}
function _toPrimitive$1(input, hint) {
if (_typeof$3(input) !== "object" || input === null) return input;
var prim = input[Symbol.toPrimitive];
if (prim !== undefined) {
var res = prim.call(input, hint || "default");
if (_typeof$3(res) !== "object") return res;
throw new TypeError("@@toPrimitive must return a primitive value.");
}
return (hint === "string" ? String : Number)(input);
}
function _toPropertyKey$1(arg) {
var key = _toPrimitive$1(arg, "string");
return _typeof$3(key) === "symbol" ? key : String(key);
}
function _defineProperties$1(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, _toPropertyKey$1(descriptor.key), descriptor);
}
}
function _createClass$1(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties$1(Constructor.prototype, protoProps);
if (staticProps) _defineProperties$1(Constructor, staticProps);
Object.defineProperty(Constructor, "prototype", {
writable: false
});
return Constructor;
}
function _defineProperty(obj, key, value) {
key = _toPropertyKey$1(key);
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
var regeneratorRuntimeExports$1 = {};
var regeneratorRuntime$2 = {
get exports(){ return regeneratorRuntimeExports$1; },
set exports(v){ regeneratorRuntimeExports$1 = v; },
};
var _typeofExports$1 = {};
var _typeof$2 = {
get exports(){ return _typeofExports$1; },
set exports(v){ _typeofExports$1 = v; },
};
(function (module) {
function _typeof(obj) {
"@babel/helpers - typeof";
return (module.exports = _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
}, module.exports.__esModule = true, module.exports["default"] = module.exports), _typeof(obj);
}
module.exports = _typeof, module.exports.__esModule = true, module.exports["default"] = module.exports;
} (_typeof$2));
(function (module) {
var _typeof = _typeofExports$1["default"];
function _regeneratorRuntime() {
module.exports = _regeneratorRuntime = function _regeneratorRuntime() {
return exports;
}, module.exports.__esModule = true, module.exports["default"] = module.exports;
var exports = {},
Op = Object.prototype,
hasOwn = Op.hasOwnProperty,
defineProperty = Object.defineProperty || function (obj, key, desc) {
obj[key] = desc.value;
},
$Symbol = "function" == typeof Symbol ? Symbol : {},
iteratorSymbol = $Symbol.iterator || "@@iterator",
asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator",
toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
function define(obj, key, value) {
return Object.defineProperty(obj, key, {
value: value,
enumerable: !0,
configurable: !0,
writable: !0
}), obj[key];
}
try {
define({}, "");
} catch (err) {
define = function define(obj, key, value) {
return obj[key] = value;
};
}
function wrap(innerFn, outerFn, self, tryLocsList) {
var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator,
generator = Object.create(protoGenerator.prototype),
context = new Context(tryLocsList || []);
return defineProperty(generator, "_invoke", {
value: makeInvokeMethod(innerFn, self, context)
}), generator;
}
function tryCatch(fn, obj, arg) {
try {
return {
type: "normal",
arg: fn.call(obj, arg)
};
} catch (err) {
return {
type: "throw",
arg: err
};
}
}
exports.wrap = wrap;
var ContinueSentinel = {};
function Generator() {}
function GeneratorFunction() {}
function GeneratorFunctionPrototype() {}
var IteratorPrototype = {};
define(IteratorPrototype, iteratorSymbol, function () {
return this;
});
var getProto = Object.getPrototypeOf,
NativeIteratorPrototype = getProto && getProto(getProto(values([])));
NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol) && (IteratorPrototype = NativeIteratorPrototype);
var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
function defineIteratorMethods(prototype) {
["next", "throw", "return"].forEach(function (method) {
define(prototype, method, function (arg) {
return this._invoke(method, arg);
});
});
}
function AsyncIterator(generator, PromiseImpl) {
function invoke(method, arg, resolve, reject) {
var record = tryCatch(generator[method], generator, arg);
if ("throw" !== record.type) {
var result = record.arg,
value = result.value;
return value && "object" == _typeof(value) && hasOwn.call(value, "__await") ? PromiseImpl.resolve(value.__await).then(function (value) {
invoke("next", value, resolve, reject);
}, function (err) {
invoke("throw", err, resolve, reject);
}) : PromiseImpl.resolve(value).then(function (unwrapped) {
result.value = unwrapped, resolve(result);
}, function (error) {
return invoke("throw", error, resolve, reject);
});
}
reject(record.arg);
}
var previousPromise;
defineProperty(this, "_invoke", {
value: function value(method, arg) {
function callInvokeWithMethodAndArg() {
return new PromiseImpl(function (resolve, reject) {
invoke(method, arg, resolve, reject);
});
}
return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
}
});
}
function makeInvokeMethod(innerFn, self, context) {
var state = "suspendedStart";
return function (method, arg) {
if ("executing" === state) throw new Error("Generator is already running");
if ("completed" === state) {
if ("throw" === method) throw arg;
return doneResult();
}
for (context.method = method, context.arg = arg;;) {
var delegate = context.delegate;
if (delegate) {
var delegateResult = maybeInvokeDelegate(delegate, context);
if (delegateResult) {
if (delegateResult === ContinueSentinel) continue;
return delegateResult;
}
}
if ("next" === context.method) context.sent = context._sent = context.arg;else if ("throw" === context.method) {
if ("suspendedStart" === state) throw state = "completed", context.arg;
context.dispatchException(context.arg);
} else "return" === context.method && context.abrupt("return", context.arg);
state = "executing";
var record = tryCatch(innerFn, self, context);
if ("normal" === record.type) {
if (state = context.done ? "completed" : "suspendedYield", record.arg === ContinueSentinel) continue;
return {
value: record.arg,
done: context.done
};
}
"throw" === record.type && (state = "completed", context.method = "throw", context.arg = record.arg);
}
};
}
function maybeInvokeDelegate(delegate, context) {
var methodName = context.method,
method = delegate.iterator[methodName];
if (undefined === method) return context.delegate = null, "throw" === methodName && delegate.iterator["return"] && (context.method = "return", context.arg = undefined, maybeInvokeDelegate(delegate, context), "throw" === context.method) || "return" !== methodName && (context.method = "throw", context.arg = new TypeError("The iterator does not provide a '" + methodName + "' method")), ContinueSentinel;
var record = tryCatch(method, delegate.iterator, context.arg);
if ("throw" === record.type) return context.method = "throw", context.arg = record.arg, context.delegate = null, ContinueSentinel;
var info = record.arg;
return info ? info.done ? (context[delegate.resultName] = info.value, context.next = delegate.nextLoc, "return" !== context.method && (context.method = "next", context.arg = undefined), context.delegate = null, ContinueSentinel) : info : (context.method = "throw", context.arg = new TypeError("iterator result is not an object"), context.delegate = null, ContinueSentinel);
}
function pushTryEntry(locs) {
var entry = {
tryLoc: locs[0]
};
1 in locs && (entry.catchLoc = locs[1]), 2 in locs && (entry.finallyLoc = locs[2], entry.afterLoc = locs[3]), this.tryEntries.push(entry);
}
function resetTryEntry(entry) {
var record = entry.completion || {};
record.type = "normal", delete record.arg, entry.completion = record;
}
function Context(tryLocsList) {
this.tryEntries = [{
tryLoc: "root"
}], tryLocsList.forEach(pushTryEntry, this), this.reset(!0);
}
function values(iterable) {
if (iterable) {
var iteratorMethod = iterable[iteratorSymbol];
if (iteratorMethod) return iteratorMethod.call(iterable);
if ("function" == typeof iterable.next) return iterable;
if (!isNaN(iterable.length)) {
var i = -1,
next = function next() {
for (; ++i < iterable.length;) if (hasOwn.call(iterable, i)) return next.value = iterable[i], next.done = !1, next;
return next.value = undefined, next.done = !0, next;
};
return next.next = next;
}
}
return {
next: doneResult
};
}
function doneResult() {
return {
value: undefined,
done: !0
};
}
return GeneratorFunction.prototype = GeneratorFunctionPrototype, defineProperty(Gp, "constructor", {
value: GeneratorFunctionPrototype,
configurable: !0
}), defineProperty(GeneratorFunctionPrototype, "constructor", {
value: GeneratorFunction,
configurable: !0
}), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction"), exports.isGeneratorFunction = function (genFun) {
var ctor = "function" == typeof genFun && genFun.constructor;
return !!ctor && (ctor === GeneratorFunction || "GeneratorFunction" === (ctor.displayName || ctor.name));
}, exports.mark = function (genFun) {
return Object.setPrototypeOf ? Object.setPrototypeOf(genFun, GeneratorFunctionPrototype) : (genFun.__proto__ = GeneratorFunctionPrototype, define(genFun, toStringTagSymbol, "GeneratorFunction")), genFun.prototype = Object.create(Gp), genFun;
}, exports.awrap = function (arg) {
return {
__await: arg
};
}, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, asyncIteratorSymbol, function () {
return this;
}), exports.AsyncIterator = AsyncIterator, exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
void 0 === PromiseImpl && (PromiseImpl = Promise);
var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
return result.done ? result.value : iter.next();
});
}, defineIteratorMethods(Gp), define(Gp, toStringTagSymbol, "Generator"), define(Gp, iteratorSymbol, function () {
return this;
}), define(Gp, "toString", function () {
return "[object Generator]";
}), exports.keys = function (val) {
var object = Object(val),
keys = [];
for (var key in object) keys.push(key);
return keys.reverse(), function next() {
for (; keys.length;) {
var key = keys.pop();
if (key in object) return next.value = key, next.done = !1, next;
}
return next.done = !0, next;
};
}, exports.values = values, Context.prototype = {
constructor: Context,
reset: function reset(skipTempReset) {
if (this.prev = 0, this.next = 0, this.sent = this._sent = undefined, this.done = !1, this.delegate = null, this.method = "next", this.arg = undefined, this.tryEntries.forEach(resetTryEntry), !skipTempReset) for (var name in this) "t" === name.charAt(0) && hasOwn.call(this, name) && !isNaN(+name.slice(1)) && (this[name] = undefined);
},
stop: function stop() {
this.done = !0;
var rootRecord = this.tryEntries[0].completion;
if ("throw" === rootRecord.type) throw rootRecord.arg;
return this.rval;
},
dispatchException: function dispatchException(exception) {
if (this.done) throw exception;
var context = this;
function handle(loc, caught) {
return record.type = "throw", record.arg = exception, context.next = loc, caught && (context.method = "next", context.arg = undefined), !!caught;
}
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i],
record = entry.completion;
if ("root" === entry.tryLoc) return handle("end");
if (entry.tryLoc <= this.prev) {
var hasCatch = hasOwn.call(entry, "catchLoc"),
hasFinally = hasOwn.call(entry, "finallyLoc");
if (hasCatch && hasFinally) {
if (this.prev < entry.catchLoc) return handle(entry.catchLoc, !0);
if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc);
} else if (hasCatch) {
if (this.prev < entry.catchLoc) return handle(entry.catchLoc, !0);
} else {
if (!hasFinally) throw new Error("try statement without catch or finally");
if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc);
}
}
}
},
abrupt: function abrupt(type, arg) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
var finallyEntry = entry;
break;
}
}
finallyEntry && ("break" === type || "continue" === type) && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc && (finallyEntry = null);
var record = finallyEntry ? finallyEntry.completion : {};
return record.type = type, record.arg = arg, finallyEntry ? (this.method = "next", this.next = finallyEntry.finallyLoc, ContinueSentinel) : this.complete(record);
},
complete: function complete(record, afterLoc) {
if ("throw" === record.type) throw record.arg;
return "break" === record.type || "continue" === record.type ? this.next = record.arg : "return" === record.type ? (this.rval = this.arg = record.arg, this.method = "return", this.next = "end") : "normal" === record.type && afterLoc && (this.next = afterLoc), ContinueSentinel;
},
finish: function finish(finallyLoc) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.finallyLoc === finallyLoc) return this.complete(entry.completion, entry.afterLoc), resetTryEntry(entry), ContinueSentinel;
}
},
"catch": function _catch(tryLoc) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.tryLoc === tryLoc) {
var record = entry.completion;
if ("throw" === record.type) {
var thrown = record.arg;
resetTryEntry(entry);
}
return thrown;
}
}
throw new Error("illegal catch attempt");
},
delegateYield: function delegateYield(iterable, resultName, nextLoc) {
return this.delegate = {
iterator: values(iterable),
resultName: resultName,
nextLoc: nextLoc
}, "next" === this.method && (this.arg = undefined), ContinueSentinel;
}
}, exports;
}
module.exports = _regeneratorRuntime, module.exports.__esModule = true, module.exports["default"] = module.exports;
} (regeneratorRuntime$2));
// TODO(Babel 8): Remove this file.
var runtime$1 = regeneratorRuntimeExports$1();
var regenerator$1 = runtime$1;
// Copied from https://github.com/facebook/regenerator/blob/main/packages/runtime/runtime.js#L736=
try {
regeneratorRuntime = runtime$1;
} catch (accidentalStrictMode) {
if (typeof globalThis === "object") {
globalThis.regeneratorRuntime = runtime$1;
} else {
Function("r", "regeneratorRuntime = r")(runtime$1);
}
}
const E_CANCELED = new Error('request for lock canceled');
var __awaiter$2 = function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
class Semaphore {
constructor(_value, _cancelError = E_CANCELED) {
this._value = _value;
this._cancelError = _cancelError;
this._weightedQueues = [];
this._weightedWaiters = [];
}
acquire(weight = 1) {
if (weight <= 0)
throw new Error(`invalid weight ${weight}: must be positive`);
return new Promise((resolve, reject) => {
if (!this._weightedQueues[weight - 1])
this._weightedQueues[weight - 1] = [];
this._weightedQueues[weight - 1].push({ resolve, reject });
this._dispatch();
});
}
runExclusive(callback, weight = 1) {
return __awaiter$2(this, void 0, void 0, function* () {
const [value, release] = yield this.acquire(weight);
try {
return yield callback(value);
}
finally {
release();
}
});
}
waitForUnlock(weight = 1) {
if (weight <= 0)
throw new Error(`invalid weight ${weight}: must be positive`);
return new Promise((resolve) => {
if (!this._weightedWaiters[weight - 1])
this._weightedWaiters[weight - 1] = [];
this._weightedWaiters[weight - 1].push(resolve);
this._dispatch();
});
}
isLocked() {
return this._value <= 0;
}
getValue() {
return this._value;
}
setValue(value) {
this._value = value;
this._dispatch();
}
release(weight = 1) {
if (weight <= 0)
throw new Error(`invalid weight ${weight}: must be positive`);
this._value += weight;
this._dispatch();
}
cancel() {
this._weightedQueues.forEach((queue) => queue.forEach((entry) => entry.reject(this._cancelError)));
this._weightedQueues = [];
}
_dispatch() {
var _a;
for (let weight = this._value; weight > 0; weight--) {
const queueEntry = (_a = this._weightedQueues[weight - 1]) === null || _a === void 0 ? void 0 : _a.shift();
if (!queueEntry)
continue;
const previousValue = this._value;
const previousWeight = weight;
this._value -= weight;
weight = this._value + 1;
queueEntry.resolve([previousValue, this._newReleaser(previousWeight)]);
}
this._drainUnlockWaiters();
}
_newReleaser(weight) {
let called = false;
return () => {
if (called)
return;
called = true;
this.release(weight);
};
}
_drainUnlockWaiters() {
for (let weight = this._value; weight > 0; weight--) {
if (!this._weightedWaiters[weight - 1])
continue;
this._weightedWaiters[weight - 1].forEach((waiter) => waiter());
this._weightedWaiters[weight - 1] = [];
}
}
}
var __awaiter$1 = function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
class Mutex {
constructor(cancelError) {
this._semaphore = new Semaphore(1, cancelError);
}
acquire() {
return __awaiter$1(this, void 0, void 0, function* () {
const [, releaser] = yield this._semaphore.acquire();
return releaser;
});
}
runExclusive(callback) {
return this._semaphore.runExclusive(() => callback());
}
isLocked() {
return this._semaphore.isLocked();
}
waitForUnlock() {
return this._semaphore.waitForUnlock();
}
release() {
if (this._semaphore.isLocked())
this._semaphore.release();
}
cancel() {
return this._semaphore.cancel();
}
}
const simd=async()=>WebAssembly.validate(new Uint8Array([0,97,115,109,1,0,0,0,1,5,1,96,0,1,123,3,2,1,0,10,10,1,8,0,65,0,253,15,253,98,11]));
function getDefaultExportFromCjs (x) {
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}
var regeneratorRuntime$1 = {exports: {}};
var _typeof$1 = {exports: {}};
_typeof$1.exports;
(function (module) {
function _typeof(o) {
"@babel/helpers - typeof";
return (module.exports = _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
return typeof o;
} : function (o) {
return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
}, module.exports.__esModule = true, module.exports["default"] = module.exports), _typeof(o);
}
module.exports = _typeof, module.exports.__esModule = true, module.exports["default"] = module.exports;
} (_typeof$1));
var _typeofExports = _typeof$1.exports;
regeneratorRuntime$1.exports;
(function (module) {
var _typeof = _typeofExports["default"];
function _regeneratorRuntime() {
module.exports = _regeneratorRuntime = function _regeneratorRuntime() {
return e;
}, module.exports.__esModule = true, module.exports["default"] = module.exports;
var t,
e = {},
r = Object.prototype,
n = r.hasOwnProperty,
o = Object.defineProperty || function (t, e, r) {
t[e] = r.value;
},
i = "function" == typeof Symbol ? Symbol : {},
a = i.iterator || "@@iterator",
c = i.asyncIterator || "@@asyncIterator",
u = i.toStringTag || "@@toStringTag";
function define(t, e, r) {
return Object.defineProperty(t, e, {
value: r,
enumerable: !0,
configurable: !0,
writable: !0
}), t[e];
}
try {
define({}, "");
} catch (t) {
define = function define(t, e, r) {
return t[e] = r;
};
}
function wrap(t, e, r, n) {
var i = e && e.prototype instanceof Generator ? e : Generator,
a = Object.create(i.prototype),
c = new Context(n || []);
return o(a, "_invoke", {
value: makeInvokeMethod(t, r, c)
}), a;
}
function tryCatch(t, e, r) {
try {
return {
type: "normal",
arg: t.call(e, r)
};
} catch (t) {
return {
type: "throw",
arg: t
};
}
}
e.wrap = wrap;
var h = "suspendedStart",
l = "suspendedYield",
f = "executing",
s = "completed",
y = {};
function Generator() {}
function GeneratorFunction() {}
function GeneratorFunctionPrototype() {}
var p = {};
define(p, a, function () {
return this;
});
var d = Object.getPrototypeOf,
v = d && d(d(values([])));
v && v !== r && n.call(v, a) && (p = v);
var g = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(p);
function defineIteratorMethods(t) {
["next", "throw", "return"].forEach(function (e) {
define(t, e, function (t) {
return this._invoke(e, t);
});
});
}
function AsyncIterator(t, e) {
function invoke(r, o, i, a) {
var c = tryCatch(t[r], t, o);
if ("throw" !== c.type) {
var u = c.arg,
h = u.value;
return h && "object" == _typeof(h) && n.call(h, "__await") ? e.resolve(h.__await).then(function (t) {
invoke("next", t, i, a);
}, function (t) {
invoke("throw", t, i, a);
}) : e.resolve(h).then(function (t) {
u.value = t, i(u);
}, function (t) {
return invoke("throw", t, i, a);
});
}
a(c.arg);
}
var r;
o(this, "_invoke", {
value: function value(t, n) {
function callInvokeWithMethodAndArg() {
return new e(function (e, r) {
invoke(t, n, e, r);
});
}
return r = r ? r.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
}
});
}
function makeInvokeMethod(e, r, n) {
var o = h;
return function (i, a) {
if (o === f) throw new Error("Generator is already running");
if (o === s) {
if ("throw" === i) throw a;
return {
value: t,
done: !0
};
}
for (n.method = i, n.arg = a;;) {
var c = n.delegate;
if (c) {
var u = maybeInvokeDelegate(c, n);
if (u) {
if (u === y) continue;
return u;
}
}
if ("next" === n.method) n.sent = n._sent = n.arg;else if ("throw" === n.method) {
if (o === h) throw o = s, n.arg;
n.dispatchException(n.arg);
} else "return" === n.method && n.abrupt("return", n.arg);
o = f;
var p = tryCatch(e, r, n);
if ("normal" === p.type) {
if (o = n.done ? s : l, p.arg === y) continue;
return {
value: p.arg,
done: n.done
};
}
"throw" === p.type && (o = s, n.method = "throw", n.arg = p.arg);
}
};
}
function maybeInvokeDelegate(e, r) {
var n = r.method,
o = e.iterator[n];
if (o === t) return r.delegate = null, "throw" === n && e.iterator["return"] && (r.method = "return", r.arg = t, maybeInvokeDelegate(e, r), "throw" === r.method) || "return" !== n && (r.method = "throw", r.arg = new TypeError("The iterator does not provide a '" + n + "' method")), y;
var i = tryCatch(o, e.iterator, r.arg);
if ("throw" === i.type) return r.method = "throw", r.arg = i.arg, r.delegate = null, y;
var a = i.arg;
return a ? a.done ? (r[e.resultName] = a.value, r.next = e.nextLoc, "return" !== r.method && (r.method = "next", r.arg = t), r.delegate = null, y) : a : (r.method = "throw", r.arg = new TypeError("iterator result is not an object"), r.delegate = null, y);
}
function pushTryEntry(t) {
var e = {
tryLoc: t[0]
};
1 in t && (e.catchLoc = t[1]), 2 in t && (e.finallyLoc = t[2], e.afterLoc = t[3]), this.tryEntries.push(e);
}
function resetTryEntry(t) {
var e = t.completion || {};
e.type = "normal", delete e.arg, t.completion = e;
}
function Context(t) {
this.tryEntries = [{
tryLoc: "root"
}], t.forEach(pushTryEntry, this), this.reset(!0);
}
function values(e) {
if (e || "" === e) {
var r = e[a];
if (r) return r.call(e);
if ("function" == typeof e.next) return e;
if (!isNaN(e.length)) {
var o = -1,
i = function next() {
for (; ++o < e.length;) if (n.call(e, o)) return next.value = e[o], next.done = !1, next;
return next.value = t, next.done = !0, next;
};
return i.next = i;
}
}
throw new TypeError(_typeof(e) + " is not iterable");
}
return GeneratorFunction.prototype = GeneratorFunctionPrototype, o(g, "constructor", {
value: GeneratorFunctionPrototype,
configurable: !0
}), o(GeneratorFunctionPrototype, "constructor", {
value: GeneratorFunction,
configurable: !0
}), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, u, "GeneratorFunction"), e.isGeneratorFunction = function (t) {
var e = "function" == typeof t && t.constructor;
return !!e && (e === GeneratorFunction || "GeneratorFunction" === (e.displayName || e.name));
}, e.mark = function (t) {
return Object.setPrototypeOf ? Object.setPrototypeOf(t, GeneratorFunctionPrototype) : (t.__proto__ = GeneratorFunctionPrototype, define(t, u, "GeneratorFunction")), t.prototype = Object.create(g), t;
}, e.awrap = function (t) {
return {
__await: t
};
}, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, c, function () {
return this;
}), e.AsyncIterator = AsyncIterator, e.async = function (t, r, n, o, i) {
void 0 === i && (i = Promise);
var a = new AsyncIterator(wrap(t, r, n, o), i);
return e.isGeneratorFunction(r) ? a : a.next().then(function (t) {
return t.done ? t.value : a.next();
});
}, defineIteratorMethods(g), define(g, u, "Generator"), define(g, a, function () {
return this;
}), define(g, "toString", function () {
return "[object Generator]";
}), e.keys = function (t) {
var e = Object(t),
r = [];
for (var n in e) r.push(n);
return r.reverse(), function next() {
for (; r.length;) {
var t = r.pop();
if (t in e) return next.value = t, next.done = !1, next;
}
return next.done = !0, next;
};
}, e.values = values, Context.prototype = {
constructor: Context,
reset: function reset(e) {
if (this.prev = 0, this.next = 0, this.sent = this._sent = t, this.done = !1, this.delegate = null, this.method = "next", this.arg = t, this.tryEntries.forEach(resetTryEntry), !e) for (var r in this) "t" === r.charAt(0) && n.call(this, r) && !isNaN(+r.slice(1)) && (this[r] = t);
},
stop: function stop() {
this.done = !0;
var t = this.tryEntries[0].completion;
if ("throw" === t.type) throw t.arg;
return this.rval;
},
dispatchException: function dispatchException(e) {
if (this.done) throw e;
var r = this;
function handle(n, o) {
return a.type = "throw", a.arg = e, r.next = n, o && (r.method = "next", r.arg = t), !!o;
}
for (var o = this.tryEntries.length - 1; o >= 0; --o) {
var i = this.tryEntries[o],
a = i.completion;
if ("root" === i.tryLoc) return handle("end");
if (i.tryLoc <= this.prev) {
var c = n.call(i, "catchLoc"),
u = n.call(i, "finallyLoc");
if (c && u) {
if (this.prev < i.catchLoc) return handle(i.catchLoc, !0);
if (this.prev < i.finallyLoc) return handle(i.finallyLoc);
} else if (c) {
if (this.prev < i.catchLoc) return handle(i.catchLoc, !0);
} else {
if (!u) throw new Error("try statement without catch or finally");
if (this.prev < i.finallyLoc) return handle(i.finallyLoc);
}
}
}
},
abrupt: function abrupt(t, e) {
for (var r = this.tryEntries.length - 1; r >= 0; --r) {
var o = this.tryEntries[r];
if (o.tryLoc <= this.prev && n.call(o, "finallyLoc") && this.prev < o.finallyLoc) {
var i = o;
break;
}
}
i && ("break" === t || "continue" === t) && i.tryLoc <= e && e <= i.finallyLoc && (i = null);
var a = i ? i.completion : {};
return a.type = t, a.arg = e, i ? (this.method = "next", this.next = i.finallyLoc, y) : this.complete(a);
},
complete: function complete(t, e) {
if ("throw" === t.type) throw t.arg;
return "break" === t.type || "continue" === t.type ? this.next = t.arg : "return" === t.type ? (this.rval = this.arg = t.arg, this.method = "return", this.next = "end") : "normal" === t.type && e && (this.next = e), y;
},
finish: function finish(t) {
for (var e = this.tryEntries.length - 1; e >= 0; --e) {
var r = this.tryEntries[e];
if (r.finallyLoc === t) return this.complete(r.completion, r.afterLoc), resetTryEntry(r), y;
}
},
"catch": function _catch(t) {
for (var e = this.tryEntries.length - 1; e >= 0; --e) {
var r = this.tryEntries[e];
if (r.tryLoc === t) {
var n = r.completion;
if ("throw" === n.type) {
var o = n.arg;
resetTryEntry(r);
}
return o;
}
}
throw new Error("illegal catch attempt");
},
delegateYield: function delegateYield(e, r, n) {
return this.delegate = {
iterator: values(e),
resultName: r,
nextLoc: n
}, "next" === this.method && (this.arg = t), y;
}
}, e;
}
module.exports = _regeneratorRuntime, module.exports.__esModule = true, module.exports["default"] = module.exports;
} (regeneratorRuntime$1));
var regeneratorRuntimeExports = regeneratorRuntime$1.exports;
// TODO(Babel 8): Remove this file.
var runtime = regeneratorRuntimeExports();
var regenerator = runtime;
// Copied from https://github.com/facebook/regenerator/blob/main/packages/runtime/runtime.js#L736=
try {
regeneratorRuntime = runtime;
} catch (accidentalStrictMode) {
if (typeof globalThis === "object") {
globalThis.regeneratorRuntime = runtime;
} else {
Function("r", "regeneratorRuntime = r")(runtime);
}
}
var _regeneratorRuntime = /*@__PURE__*/getDefaultExportFromCjs(regenerator);
/******************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
function __awaiter(thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
}
function _setPrototypeOf$1(o, p) {
_setPrototypeOf$1 = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) {
o.__proto__ = p;
return o;
};
return _setPrototypeOf$1(o, p);
}
function _inherits$1(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function");
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
writable: true,
configurable: true
}
});
Object.defineProperty(subClass, "prototype", {
writable: false
});
if (superClass) _setPrototypeOf$1(subClass, superClass);
}
function _typeof(o) {
"@babel/helpers - typeof";
return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
return typeof o;
} : function (o) {
return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
}, _typeof(o);
}
function _assertThisInitialized$1(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
function _possibleConstructorReturn$1(self, call) {
if (call && (_typeof(call) === "object" || typeof call === "function")) {
return call;
} else if (call !== void 0) {
throw new TypeError("Derived constructors may only return object or undefined");
}
return _assertThisInitialized$1(self);
}
function _getPrototypeOf$1(o) {
_getPrototypeOf$1 = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) {
return o.__proto__ || Object.getPrototypeOf(o);
};
return _getPrototypeOf$1(o);
}
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
function _toPrimitive(input, hint) {
if (_typeof(input) !== "object" || input === null) return input;
var prim = input[Symbol.toPrimitive];
if (prim !== undefined) {
var res = prim.call(input, hint || "default");
if (_typeof(res) !== "object") return res;
throw new TypeError("@@toPrimitive must return a primitive value.");
}
return (hint === "string" ? String : Number)(input);
}
function _toPropertyKey(arg) {
var key = _toPrimitive(arg, "string");
return _typeof(key) === "symbol" ? key : String(key);
}
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
Object.defineProperty(Constructor, "prototype", {
writable: false
});
return Constructor;
}
/*
Copyright 2022-2023 Picovoice Inc.
You may not use this file except in compliance with the license. A copy of the license is located in the "LICENSE"
file accompanying this source.
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
specific language governing permissions and limitations under the License.
*/
/**
* BasePvFile Class
* This class mocks the file system using in-memory storage.
*/
var PvFile = /*#__PURE__*/function () {
function PvFile() {
_classCallCheck(this, PvFile);
this._path = '';
}
/**
* Getter for file's meta information.
*/
_createClass(PvFile, [{
key: "meta",
get: function get() {
if (this._meta === undefined) {
return undefined;
}
return Object.assign({
version: 0
}, this._meta);
}
}, {
key: "pageSize",
get: function get() {
return undefined;
}
/**
* Get the file pointer from the _filePtrs map.
* @param ptr The pointer to BasePvFile instance to get from the map.
* @returns BasePvFile returns the current file instance related to ptr.
*/
}], [{
key: "getPtr",
value: function getPtr(ptr) {
if (PvFile._filePtrs.has(ptr)) {
return PvFile._filePtrs.get(ptr);
}
throw new Error('File instance not found.');
}
/**
* Saves the BasePvFile instance to the map with an associated ptr.
* @param ptr The file pointer to save as the key.
* @param instance The BasePvFile instance to save as the value.
*/
}, {
key: "setPtr",
value: function setPtr(ptr, instance) {
PvFile._filePtrs.set(ptr, instance);
}
/**
* Removes the ptr from the _filePtrs map.
* @param ptr The file pointer to remove.
*/
}, {
key: "removePtr",
value: function removePtr(ptr) {
PvFile._filePtrs["delete"](ptr);
}
}]);
return PvFile;
}();
PvFile._filePtrs = new Map();
function _createSuper$1(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct$1$1(); return function _createSuperInternal() { var Super = _getPrototypeOf$1(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf$1(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn$1(this, result); }; }
function _isNativeReflectConstruct$1$1() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
/**
* Indexed DB configurations
*/
var DB_NAME = 'pv_db';
var PV_FILE_STORE = 'pv_file';
var DB_VERSION = 3;
/**
* Helper to get IndexedDB.
*/
function getDB() {
return new Promise(function (resolve, reject) {
var request = self.indexedDB.open(DB_NAME, DB_VERSION);
request.onerror = function () {
reject(request.error);
};
request.onsuccess = function () {
resolve(request.result);
};
request.onupgradeneeded = function () {
if (!request.result.objectStoreNames.contains(PV_FILE_STORE)) {
request.result.createObjectStore(PV_FILE_STORE);
}
};
});
}
/**
* Cache Settings
*/
var PvCache = /*#__PURE__*/function () {
function PvCache() {
_classCallCheck(this, PvCache);
this._pos = 0;
this._data = new Uint8Array();
}
_createClass(PvCache, [{
key: "get",
value: function get(bytes) {
if (this._pos >= this._data.length) {
return undefined;
}
var res = this._data.slice(this._pos, this._pos + bytes);
this._pos += bytes;
return res;
}
}, {
key: "set",
value: function set(pos, data) {
this._pos = pos;
this._data = data;
}
}, {
key: "clear",
value: function clear() {
this._pos = 0;
this._data = new Uint8Array();
}
}]);
return PvCache;
}();
/**
* PvFile Class
* This class mocks the file system using IndexedDB.
* IndexedDB is REQUIRED.
*/
var PvFileIDB = /*#__PURE__*/function (_PvFile) {
_inherits$1(PvFileIDB, _PvFile);
var _super = _createSuper$1(PvFileIDB);
/**
* Constructor of PvFile instance.
* @param path The path of a file.
* @param meta The metadata of the file.
* @param db The db instance currently related to the opened file.
* @param mode The mode - either readonly or readwrite.
*/
function PvFileIDB(path, meta, db, mode) {
var _this;
_classCallCheck(this, PvFileIDB);
_this = _super.call(this);
_this._pageSize = 512 * 1024; // 512KB
_this._pagePtr = 0;
_this._pageOffset = 0;
_this._path = path;
_this._meta = meta;
_this._db = db;
_this._mode = mode;
_this._cache = new PvCache();
return _this;
}
/**
* Opens a file and return an instance of PvFile. A file can be opened in readonly or readwrite mode
* which follows IndexedDB standard of reading and writing values to the db.
* The file is stored as an Uint8Array separated by pages.
* NOTE: The key exactly matching the path expects a value of type PvFileMeta.
* @param path The path of the file to open stored in IndexedDB.
* @param mode A string, if it contains 'r' in the string, it will open the file in readonly mode, else it
* will open in readwrite mode.
* @returns Promise<PvFile> An instance of PvFile.
* @throws Error if IndexedDB is not supported.
*/
_createClass(PvFileIDB, [{
key: "pageSize",
get: function get() {
return this._pageSize;
}
}, {
key: "close",
value:
/**
* Closes the db connection. Any other instance function call will not work once
* the db is closed.
*/
function close() {
return __awaiter(this, void 0, void 0, /*#__PURE__*/_regeneratorRuntime.mark(function _callee() {
return _regeneratorRuntime.wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
this._db.close();
case 1:
case "end":
return _context.stop();
}
}, _callee, this);
}));
}
/**
* Reads a total of 'count' elements, each with a size of 'size' bytes from the current position in the