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vwo-fme-node-sdk

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VWO Node/JavaScript SDK for Feature Management and Experimentation

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"use strict"; var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; var __generator = (this && this.__generator) || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype); return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (g && (g = 0, op[0] && (_ = 0)), _) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; Object.defineProperty(exports, "__esModule", { value: true }); exports.evaluateRule = void 0; var DataTypeUtil_1 = require("./DataTypeUtil"); var DecisionUtil_1 = require("./DecisionUtil"); var NetworkUtil_1 = require("./NetworkUtil"); var ImpressionUtil_1 = require("./ImpressionUtil"); /** * Evaluates the rules for a given campaign and feature based on the provided context. * This function checks for whitelisting and pre-segmentation conditions, and if applicable, * sends an impression for the variation shown. * * @param {SettingsModel} settings - The settings configuration for the evaluation. * @param {FeatureModel} feature - The feature being evaluated. * @param {CampaignModel} campaign - The campaign associated with the feature. * @param {ContextModel} context - The user context for evaluation. * @param {Map<string, any>} evaluatedFeatureMap - A map of evaluated features. * @param {Map<number, number>} megGroupWinnerCampaigns - A map of MEG group winner campaigns. * @param {StorageService} storageService - The storage service for persistence. * @param {any} decision - The decision object that will be updated based on the evaluation. * @returns {Promise<[boolean, any]>} A promise that resolves to a tuple containing the result of the pre-segmentation * and the whitelisted object, if any. */ var evaluateRule = function (settings, feature, campaign, context, evaluatedFeatureMap, megGroupWinnerCampaigns, storageService, decision) { return __awaiter(void 0, void 0, void 0, function () { var _a, preSegmentationResult, whitelistedObject; return __generator(this, function (_b) { switch (_b.label) { case 0: return [4 /*yield*/, (0, DecisionUtil_1.checkWhitelistingAndPreSeg)(settings, feature, campaign, context, evaluatedFeatureMap, megGroupWinnerCampaigns, storageService, decision)]; case 1: _a = _b.sent(), preSegmentationResult = _a[0], whitelistedObject = _a[1]; if (!(preSegmentationResult && (0, DataTypeUtil_1.isObject)(whitelistedObject) && Object.keys(whitelistedObject).length > 0)) return [3 /*break*/, 4]; // Update the decision object with campaign and variation details Object.assign(decision, { experimentId: campaign.getId(), experimentKey: campaign.getKey(), experimentVariationId: whitelistedObject.variationId, }); if (!(0, NetworkUtil_1.getShouldWaitForTrackingCalls)()) return [3 /*break*/, 3]; return [4 /*yield*/, (0, ImpressionUtil_1.createAndSendImpressionForVariationShown)(settings, campaign.getId(), whitelistedObject.variation.id, context)]; case 2: _b.sent(); return [3 /*break*/, 4]; case 3: (0, ImpressionUtil_1.createAndSendImpressionForVariationShown)(settings, campaign.getId(), whitelistedObject.variation.id, context); _b.label = 4; case 4: // Return the results of the evaluation return [2 /*return*/, { preSegmentationResult: preSegmentationResult, whitelistedObject: whitelistedObject, updatedDecision: decision }]; } }); }); }; exports.evaluateRule = evaluateRule; //# sourceMappingURL=RuleEvaluationUtil.js.map