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metadata-based-explorer1

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function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; } function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; } function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; } function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; } 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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } 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 _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } 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; } import * as React from 'react'; import noop from 'lodash/noop'; import uuidv4 from 'uuid/v4'; import { isMarkSupported } from '../../../utils/performance'; import { EVENT_JS_READY } from './constants'; import { METRIC_TYPE_PREVIEW, METRIC_TYPE_ELEMENTS_LOAD_METRIC } from '../../../constants'; var SESSION_ID = uuidv4(); var uniqueEvents = new Set(); var Logger = /*#__PURE__*/ function (_React$Component) { _inherits(Logger, _React$Component); function Logger(props) { var _this; _classCallCheck(this, Logger); _this = _possibleConstructorReturn(this, _getPrototypeOf(Logger).call(this, props)); _defineProperty(_assertThisInitialized(_this), "handlePreviewMetric", function (data) { var onMetric = _this.props.onMetric; onMetric(_objectSpread({}, data, { type: METRIC_TYPE_PREVIEW })); }); _defineProperty(_assertThisInitialized(_this), "handleReadyMetric", function (data) { if (!isMarkSupported) { return; } var startMarkName = _this.props.startMarkName; var metricData = _objectSpread({}, data, { startMarkName: startMarkName }); _this.logUniqueMetric(METRIC_TYPE_ELEMENTS_LOAD_METRIC, EVENT_JS_READY, metricData); }); _this.loggerProps = { onPreviewMetric: _this.handlePreviewMetric, onReadyMetric: _this.handleReadyMetric }; return _this; } _createClass(Logger, [{ key: "createEventName", /** * Creates an event name meant for use with an event which is unique and meant to be logged only once * * @param {string} name - The event name * @returns {string} A string containing the component and event name */ value: function createEventName(name) { var source = this.props.source; return "".concat(source, "::").concat(name); } /** * Checks to see if the specified event for the component has already been fired. * * @param {string} component - the component name * @param {string} name - the event name * @returns {boolean} True if the event has already been fired */ }, { key: "hasLoggedEvent", value: function hasLoggedEvent(name) { return this.uniqueEvents.has(name); } /** * Invokes the provided metric logging callback. * * @param {string} type - the type of the event * @param {string} name - the name of the event * @param {Object} data - the event data */ }, { key: "logMetric", value: function logMetric(type, name, data) { var _this$props = this.props, onMetric = _this$props.onMetric, source = _this$props.source; var metric = _objectSpread({}, data, { component: source, name: name, timestamp: this.getTimestamp(), sessionId: this.sessionId, type: type }); onMetric(metric); } /** * Logs a unique metric event. Prevents duplicate events from being logged in the session. * * @param {string} type - the type of the event * @param {string} name - the name of the event * @param {Object} data - the event data */ }, { key: "logUniqueMetric", value: function logUniqueMetric(type, name, data) { var eventName = this.createEventName(name); if (this.hasLoggedEvent(eventName)) { return; } this.logMetric(type, name, data); this.uniqueEvents.add(eventName); } /** * Preview metric handler * * @param {Object} data - the metric data * @returns {void} */ }, { key: "getTimestamp", /** * Create an ISO Timestamp for right now. * * @returns {string} */ value: function getTimestamp() { return new Date().toISOString(); } }, { key: "render", value: function render() { var _this$props2 = this.props, children = _this$props2.children, onMetric = _this$props2.onMetric, startMarkName = _this$props2.startMarkName, rest = _objectWithoutProperties(_this$props2, ["children", "onMetric", "startMarkName"]); return React.cloneElement(children, _objectSpread({}, rest, { logger: this.loggerProps })); } }, { key: "uniqueEvents", get: function get() { return uniqueEvents; } }, { key: "sessionId", get: function get() { return SESSION_ID; } }]); return Logger; }(React.Component); _defineProperty(Logger, "defaultProps", { onMetric: noop }); export default Logger;