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| 'use strict';
exports.__esModule = true;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
function _inherits(subClass, superClass) { Iif (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); Eif (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var _Observable2 = require('../Observable');
var _Observable3 = _interopRequireDefault(_Observable2);
var _utilRoot = require('../util/root');
var _utilSymbol_iterator = require('../util/Symbol_iterator');
var _utilSymbol_iterator2 = _interopRequireDefault(_utilSymbol_iterator);
var _utilTryCatch = require('../util/tryCatch');
var _utilTryCatch2 = _interopRequireDefault(_utilTryCatch);
var _utilErrorObject = require('../util/errorObject');
var IteratorObservable = (function (_Observable) {
_inherits(IteratorObservable, _Observable);
function IteratorObservable(iterator, project, thisArg, scheduler) {
_classCallCheck(this, IteratorObservable);
_Observable.call(this);
this.iterator = iterator;
this.project = project;
this.thisArg = thisArg;
this.scheduler = scheduler;
}
IteratorObservable.create = function create(iterator, project, thisArg, scheduler) {
if (iterator == null) {
throw new Error('iterator cannot be null.');
}
if (project && typeof project !== 'function') {
throw new Error('When provided, `project` must be a function.');
}
return new IteratorObservable(iterator, project, thisArg, scheduler);
};
IteratorObservable.dispatch = function dispatch(state) {
var index = state.index;
var hasError = state.hasError;
var thisArg = state.thisArg;
var project = state.project;
var iterator = state.iterator;
var subscriber = state.subscriber;
Iif (hasError) {
subscriber.error(state.error);
return;
}
var result = iterator.next();
if (result.done) {
subscriber.complete();
return;
}
Iif (project) {
result = _utilTryCatch2['default'](project).call(thisArg, result.value, index);
if (result === _utilErrorObject.errorObject) {
state.error = _utilErrorObject.errorObject.e;
state.hasError = true;
} else {
subscriber.next(result);
state.index = index + 1;
}
} else {
subscriber.next(result.value);
state.index = index + 1;
}
Iif (subscriber.isUnsubscribed) {
return;
}
this.schedule(state);
};
IteratorObservable.prototype._subscribe = function _subscribe(subscriber) {
var index = 0;
var project = this.project;
var thisArg = this.thisArg;
var iterator = getIterator(Object(this.iterator));
var scheduler = this.scheduler;
Eif (scheduler) {
subscriber.add(scheduler.schedule(IteratorObservable.dispatch, 0, {
index: index, thisArg: thisArg, project: project, iterator: iterator, subscriber: subscriber
}));
} else {
do {
var result = iterator.next();
if (result.done) {
subscriber.complete();
break;
} else if (project) {
result = _utilTryCatch2['default'](project).call(thisArg, result.value, index++);
if (result === _utilErrorObject.errorObject) {
subscriber.error(_utilErrorObject.errorObject.e);
break;
}
subscriber.next(result);
} else {
subscriber.next(result.value);
}
if (subscriber.isUnsubscribed) {
break;
}
} while (true);
}
};
return IteratorObservable;
})(_Observable3['default']);
exports['default'] = IteratorObservable;
var maxSafeInteger = Math.pow(2, 53) - 1;
var StringIterator = (function () {
function StringIterator(str) {
var idx = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];
var len = arguments.length <= 2 || arguments[2] === undefined ? str.length : arguments[2];
return (function () {
_classCallCheck(this, StringIterator);
this.str = str;
this.idx = idx;
this.len = len;
}).apply(this, arguments);
}
StringIterator.prototype[_utilSymbol_iterator2['default']] = function () {
return this;
};
StringIterator.prototype.next = function next() {
return this.idx < this.len ? {
done: false,
value: this.str.charAt(this.idx++)
} : {
done: true,
value: undefined
};
};
return StringIterator;
})();
var ArrayIterator = (function () {
function ArrayIterator(arr) {
var idx = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];
var len = arguments.length <= 2 || arguments[2] === undefined ? toLength(arr) : arguments[2];
return (function () {
_classCallCheck(this, ArrayIterator);
this.arr = arr;
this.idx = idx;
this.len = len;
}).apply(this, arguments);
}
ArrayIterator.prototype[_utilSymbol_iterator2['default']] = function () {
return this;
};
ArrayIterator.prototype.next = function next() {
return this.idx < this.len ? {
done: false,
value: this.arr[this.idx++]
} : {
done: true,
value: undefined
};
};
return ArrayIterator;
})();
function getIterator(o) {
var i = o[_utilSymbol_iterator2['default']];
Iif (!i && typeof o === 'string') {
return new StringIterator(o);
}
Iif (!i && o.length !== undefined) {
return new ArrayIterator(o);
}
Iif (!i) {
throw new TypeError('Object is not iterable');
}
return o[_utilSymbol_iterator2['default']]();
}
function toLength(o) {
var len = +o.length;
if (isNaN(len)) {
return 0;
}
if (len === 0 || !numberIsFinite(len)) {
return len;
}
len = sign(len) * Math.floor(Math.abs(len));
if (len <= 0) {
return 0;
}
if (len > maxSafeInteger) {
return maxSafeInteger;
}
return len;
}
function numberIsFinite(value) {
return typeof value === 'number' && _utilRoot.root.isFinite(value);
}
function isNan(n) {
return n !== n;
}
function sign(value) {
var valueAsNumber = +value;
if (valueAsNumber === 0) {
return valueAsNumber;
}
if (isNaN(valueAsNumber)) {
return valueAsNumber;
}
return valueAsNumber < 0 ? -1 : 1;
}
//# sourceMappingURL=IteratorObservable.js.map
module.exports = exports['default'];
//# sourceMappingURL=IteratorObservable.js.map |