shopperman
Version:
shopping cart ui for shopify stores
209 lines • 9.16 kB
JavaScript
;
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};
Object.defineProperty(exports, "__esModule", { value: true });
var omnistorage_1 = require("omnistorage");
var mobx_1 = require("mobx");
/**
* Default cart options
*/
exports.defaultCartOptions = {
storageKey: "shopperman",
omniStorage: new omnistorage_1.LocalClient({ storage: window.localStorage })
};
/**
* Shopping cart which tracks products and maintains a subtotal
* - maintain a cart containing products and keeping track of quantities etc
* - you must provide a catalog of all available items
* - items with quantity 0 are considered "not in the cart"
*/
var Cart = /** @class */ (function () {
function Cart(opts) {
this.itemCatalog = [];
this.panelOpen = false;
var options = __assign({}, exports.defaultCartOptions, opts);
this.storageKey = options.storageKey;
this.omniStorage = options.omniStorage;
this.itemCatalog = options.itemCatalog;
this.currencyControl = options.currencyControl;
}
/**
* Rehydrate the item catalog details from storage
*/
Cart.prototype.loadFromStorage = function () {
return __awaiter(this, void 0, void 0, function () {
var _a, omniStorage, storageKey, data, _b, _c, _loop_1, this_1, _i, _d, productId, error_1;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
_a = this, omniStorage = _a.omniStorage, storageKey = _a.storageKey;
_e.label = 1;
case 1:
_e.trys.push([1, 3, , 4]);
_c = (_b = JSON).parse;
return [4 /*yield*/, omniStorage.getItem(storageKey)];
case 2:
data = _c.apply(_b, [_e.sent()]);
_loop_1 = function (productId) {
var cartStorage = data[productId];
var cartItem = this_1.itemCatalog.find(function (cartItem) { return cartItem.product.id === productId; });
cartItem.setQuantity(cartStorage.quantity);
};
this_1 = this;
for (_i = 0, _d = Object.keys(data); _i < _d.length; _i++) {
productId = _d[_i];
_loop_1(productId);
}
return [3 /*break*/, 4];
case 3:
error_1 = _e.sent();
console.error("shopperman cart load from storage error: " + error_1.message);
return [3 /*break*/, 4];
case 4: return [2 /*return*/];
}
});
});
};
/**
* Save item catalog details to storage
*/
Cart.prototype.saveToStorage = function () {
var _a = this, omniStorage = _a.omniStorage, storageKey = _a.storageKey;
var data = {};
for (var _i = 0, _b = this.itemCatalog; _i < _b.length; _i++) {
var _c = _b[_i], product = _c.product, quantity = _c.quantity;
var productId = product.id;
data[productId] = { quantity: quantity };
}
omniStorage.setItem(storageKey, JSON.stringify(data));
};
Object.defineProperty(Cart.prototype, "activeItems", {
/**
* Getter for items which are "in the cart"
* - active items are cart items with quantity greater than zero
*/
get: function () {
return this.itemCatalog.filter(function (item) { return item.quantity > 0; });
},
enumerable: true,
configurable: true
});
Object.defineProperty(Cart.prototype, "value", {
/**
* Sum of cart item value
*/
get: function () {
var reducer = function (subtotal, item) { return subtotal + item.value; };
return this.activeItems.reduce(reducer, 0);
},
enumerable: true,
configurable: true
});
Object.defineProperty(Cart.prototype, "price", {
/**
* Formatter price tag for the whole cart's value
*/
get: function () {
var _a = this, value = _a.value, currencyControl = _a.currencyControl;
return currencyControl.convertAndFormat(value);
},
enumerable: true,
configurable: true
});
/**
* Toggle the cart panel open or closed
*/
Cart.prototype.togglePanelOpen = function (open) {
if (open === void 0) { open = null; }
this.panelOpen = open === null
? !this.panelOpen
: open;
return this.panelOpen;
};
/**
* Remove all products from the cart
*/
Cart.prototype.clear = function () {
for (var _i = 0, _a = this.itemCatalog; _i < _a.length; _i++) {
var item = _a[_i];
item.setQuantity(0);
}
};
/**
* Get a cart item by providing the product inside
*/
Cart.prototype.getProductItem = function (product) {
return this.itemCatalog.find(function (i) { return i.product === product; });
};
__decorate([
mobx_1.observable
], Cart.prototype, "itemCatalog", void 0);
__decorate([
mobx_1.observable
], Cart.prototype, "panelOpen", void 0);
__decorate([
mobx_1.computed
], Cart.prototype, "activeItems", null);
__decorate([
mobx_1.computed
], Cart.prototype, "value", null);
__decorate([
mobx_1.computed
], Cart.prototype, "price", null);
__decorate([
mobx_1.action
], Cart.prototype, "togglePanelOpen", null);
return Cart;
}());
exports.Cart = Cart;
//# sourceMappingURL=cart.js.map