/**
*
* Get an attribute from an DOM-element based on the selector and attribute name.
* Returns a list of attribute values if selector matches multiple elements.
*
* <example>
:index.html
<div data-type="example" id="elem">
Lorem ipsum dolor ammet
</div>
:getAttribute.js
client.getAttribute('#elem', 'data-type').then(function(attr) {
console.log(attr); // outputs: "example"
});
* </example>
*
* @param {String} selector element with requested attribute
* @param {String} attributeName requested attribute
*
* @returns {String|String[]|null} The value of the attribute(s), or null if it is not set on the element.
*
* @uses protocol/elements, protocol/elementIdAttribute
* @type property
*
*/
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
var _utilsErrorHandler = require('../utils/ErrorHandler');
var getAttribute = function getAttribute(selector, attributeName) {
// istanbul ignore next
var _this = this;
/*!
* parameter check
*/
if (typeof attributeName !== 'string') {
throw new _utilsErrorHandler.CommandError('number or type of arguments don\'t agree with getAttribute command');
}
return this.elements(selector).then(function (res) {
/**
* throw NoSuchElement error if no element was found
*/
if (!res.value || res.value.length === 0) {
throw new _utilsErrorHandler.CommandError(7);
}
var elementIdAttributeCommands = [];
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = res.value[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var elem = _step.value;
elementIdAttributeCommands.push(_this.elementIdAttribute(elem.ELEMENT, attributeName));
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator['return']) {
_iterator['return']();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return _this.unify(elementIdAttributeCommands, {
extractValue: true
});
});
};
exports['default'] = getAttribute;
module.exports = exports['default'];
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