happy-dom
Version:
Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.
113 lines • 4.98 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const PropertySymbol = __importStar(require("../PropertySymbol.cjs"));
const DOMStringMapUtility_js_1 = __importDefault(require("./DOMStringMapUtility.cjs"));
/**
* Dataset factory.
*
* Reference:
* https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/dataset
*/
class DOMStringMap {
/**
* Constructor.
*
* @param illegalConstructorSymbol Illegal constructor symbol.
* @param element Element.
*/
constructor(illegalConstructorSymbol, element) {
if (illegalConstructorSymbol !== PropertySymbol.illegalConstructor) {
throw new TypeError('Illegal constructor');
}
// Documentation for Proxy:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy
return new Proxy(this, {
get(_target, property) {
const attribute = element.getAttribute('data-' + DOMStringMapUtility_js_1.default.camelCaseToKebab(property));
if (attribute !== null) {
return attribute;
}
},
set(_target, property, value) {
element.setAttribute('data-' + DOMStringMapUtility_js_1.default.camelCaseToKebab(property), value);
return true;
},
deleteProperty(_target, property) {
element.removeAttribute('data-' + DOMStringMapUtility_js_1.default.camelCaseToKebab(property));
return true;
},
ownKeys(_target) {
// According to Mozilla we have to update the dataset object (target) to contain the same keys as what we return:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/ownKeys
// "The result List must contain the keys of all non-configurable own properties of the target object."
const keys = [];
for (const items of element[PropertySymbol.attributes][PropertySymbol.itemsByName].values()) {
if (items[0][PropertySymbol.name].startsWith('data-')) {
keys.push(DOMStringMapUtility_js_1.default.kebabToCamelCase(items[0][PropertySymbol.name].replace('data-', '')));
}
}
return keys;
},
has(_target, property) {
return element.hasAttribute('data-' + DOMStringMapUtility_js_1.default.camelCaseToKebab(property));
},
defineProperty(_target, property, descriptor) {
if (descriptor.value === undefined) {
return false;
}
element.setAttribute('data-' + DOMStringMapUtility_js_1.default.camelCaseToKebab(property), descriptor.value);
return true;
},
getOwnPropertyDescriptor(_target, property) {
const attribute = element.getAttribute('data-' + DOMStringMapUtility_js_1.default.camelCaseToKebab(property));
if (!attribute) {
return;
}
return {
value: attribute,
writable: true,
enumerable: true,
configurable: true
};
}
});
}
}
exports.default = DOMStringMap;
//# sourceMappingURL=DOMStringMap.cjs.map