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index.js
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index.js
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = exports.makeIntegerSequence = exports.integerIterator = void 0;
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
var integerIterator = function integerIterator() {
var _ref;
var startingAt = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
var endingAt = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : Number.MAX_SAFE_INTEGER;
var startOverWhenAtEnd = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
var id = startingAt;
return _ref = {}, _defineProperty(_ref, Symbol.iterator, function () {
return this;
}), _defineProperty(_ref, "next", function next(reset) {
var value = id;
if (reset) {
id = startingAt;
} else if (id === endingAt) {
if (startOverWhenAtEnd) {
id = startingAt;
}
} else {
id++;
}
return {
value: value,
done: value === endingAt && !startOverWhenAtEnd
};
}), _ref;
};
exports.integerIterator = integerIterator;
var makeIntegerSequence = function makeIntegerSequence() {
var startingAt = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
var endingAt = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : Number.MAX_SAFE_INTEGER;
var startOverWhenAtEnd = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
var idSequence = integerIterator(startingAt, endingAt, startOverWhenAtEnd);
return function () {
var next = idSequence.next();
if (next.done && !startOverWhenAtEnd) {
throw new Error("".concat(endingAt === Number.MAX_SAFE_INTEGER ? 'Number.MAX_SAFE_INTEGER' : endingAt, " reached!"));
}
return next.value;
};
};
exports.makeIntegerSequence = makeIntegerSequence;
var _default = makeIntegerSequence;
exports.default = _default;