storecontrol
Version:
A lightweight JavaScript state management library/tool for both client and server side.
234 lines (229 loc) • 7.5 kB
JavaScript
/*!
* StoreControl
* (c) 2019 Yong Quan Lim
* Released under MIT License.
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.StoreControl = factory());
}(this, function () { 'use strict';
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
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, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
return Constructor;
}
function _inherits(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
}
});
if (superClass) _setPrototypeOf(subClass, superClass);
}
function _getPrototypeOf(o) {
_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
return o.__proto__ || Object.getPrototypeOf(o);
};
return _getPrototypeOf(o);
}
function _setPrototypeOf(o, p) {
_setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
o.__proto__ = p;
return o;
};
return _setPrototypeOf(o, p);
}
function _newArrowCheck(innerThis, boundThis) {
if (innerThis !== boundThis) {
throw new TypeError("Cannot instantiate an arrow function");
}
}
function _assertThisInitialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
function _possibleConstructorReturn(self, call) {
if (call && (typeof call === "object" || typeof call === "function")) {
return call;
}
return _assertThisInitialized(self);
}
function _slicedToArray(arr, i) {
return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
}
function _arrayWithHoles(arr) {
if (Array.isArray(arr)) return arr;
}
function _iterableToArrayLimit(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i["return"] != null) _i["return"]();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
function _nonIterableRest() {
throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
var StoreControl = /*#__PURE__*/function () {
function StoreControl() {
var _this = this;
_classCallCheck(this, StoreControl);
(function () {
_newArrowCheck(this, _this);
for (var i = 0; i < arguments.length; i++) {
Object.defineProperty(this, i < 0 || arguments.length <= i ? undefined : arguments[i], {
value: []
});
}
}).bind(this)('keys', 'values', 'entries');
}
_createClass(StoreControl, [{
key: "size",
value: function size() {
var eLen = this.entries.length,
vLen = this.values.length,
kLen = this.keys.length;
if (eLen !== vLen || eLen !== kLen || typeof eLen !== 'number' || eLen < 0) throw new RangeError('Item(s) of entries, values or keys has been altered by external method.');
return eLen;
}
}, {
key: "set",
value: function set(key, val) {
if (key === null || key === undefined || typeof key === 'boolean' || typeof key === 'number' && (!isFinite(key) || isNaN(key))) {
throw new TypeError('Key cannot be null, a boolean, NaN, or an infinite number.');
}
var i = this.keys.indexOf(key);
if (i < 0) {
i = this.size();
this.entries[i] = [];
} else if (this.values[i] instanceof StoreBranch) {
throw new TypeError("Cannot replace \"".concat(key, "\" because it is a user-defined StoreControl branch."));
}
this.keys[i] = key;
this.values[i] = val;
this.entries[i][0] = key;
this.entries[i][1] = val;
return val;
}
}, {
key: "get",
value: function get(key) {
var i = this.keys.indexOf(key);
return i < 0 ? null : this.values[i];
}
}, {
key: "has",
value: function has(key) {
return this.keys.indexOf(key) >= 0;
}
}, {
key: "branch",
value: function branch(id) {
if (this.has(id)) {
try {
id = JSON.stringify(id);
} catch (err) {
id = String(id);
}
throw new TypeError("Property \"".concat(id, "\" already exists in this StoreControl instance."));
}
return this.set(id, new StoreBranch());
}
}, {
key: "of",
value: function of(branchID) {
var ret = this.get(branchID);
if (ret === null) throw new ReferenceError("Branch \"".concat(branchID, "\" does not exist in this StoreControl instance."));
if (!(ret instanceof StoreBranch)) throw new TypeError("\"".concat(branchID, "\" key does not link to a StoreControl branch."));
return ret;
}
}, {
key: "isBranch",
value: function isBranch(id) {
try {
return !!this.of(id);
} catch (e) {
return false;
}
}
}, {
key: "delete",
value: function _delete(key) {
var i = this.keys.indexOf(key);
if (i < 0) return false;
this.keys.splice(i, 1);
this.values.splice(i, 1);
this.entries.splice(i, 1);
return true;
}
}, {
key: "clear",
value: function clear() {
this.keys.splice(0);
this.values.splice(0);
this.entries.splice(0);
}
}, {
key: "asMap",
value: function asMap() {
var _this2 = this;
var ret = {};
this.entries.forEach(function (_ref) {
var _ref2 = _slicedToArray(_ref, 2),
key = _ref2[0],
val = _ref2[1];
_newArrowCheck(this, _this2);
ret[key] = this.isBranch(key) ? val.asMap() : val;
}.bind(this));
return ret;
}
}]);
return StoreControl;
}();
var StoreBranch = /*#__PURE__*/function (_StoreControl) {
_inherits(StoreBranch, _StoreControl);
function StoreBranch() {
_classCallCheck(this, StoreBranch);
return _possibleConstructorReturn(this, _getPrototypeOf(StoreBranch).call(this));
}
return StoreBranch;
}(StoreControl);
return StoreControl;
}));