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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | 1x 1x 1x 1x 1x 1x 1x 1x 8x 8x 8x 8x 8x 8x 8x 8x 11x 5x 5x 6x 1x 1x 5x 11x 6x 5x 5x 7x 5x 7x | import fetch, { Response } from 'node-fetch';
import URI from 'jsuri';
import SessionManager from './session-manager';
import { addData } from './data-collection';
import { version } from './version';
import { VAClient } from '../types/shared';
const BASE_URL = 'https://analytics.data.visenze.com/v3';
const BASE_URL_CN = 'https://analytics.visenze.com.cn/v3';
const SDK = 'tracking js sdk';
const SDK_VERSION = version;
const TIMEOUT = 15000;
/**
* @internal
*/
const _timeout = (ms: number, promise: Promise<unknown>): Promise<unknown> => {
const to = new Promise((_, reject) => setTimeout(() => reject(Error(`Timed out in ${ms} ms`)), ms));
return Promise.race([to, promise]);
};
/**
* @internal
*/
const _sendRequest = (
fetchObj: Promise<Response>,
path: string,
callback?: () => void,
failure?: (errResponse: unknown) => void
): Promise<void> => {
return _timeout(TIMEOUT, fetchObj)
.then((response) => {
const status = (response as Response).status;
if (status === 200) {
return 'success';
} else {
const res: unknown = (response as Response).json();
return res;
}
})
.then((res) => {
if (res === 'success') {
if (callback) {
callback();
}
} else {
if (failure) {
failure(res);
}
}
})
.catch((ex) => {
if (failure) {
failure(ex);
}
});
};
/**
* @internal
*/
const _sendGetRequest = (
path: string,
params: Record<string, unknown>,
callback?: () => void,
failure?: (errResponse: unknown) => void
): Promise<void> => {
const uri = new URI(path);
Object.entries(params).forEach(([key, value]) => {
uri.addQueryParam(key, value as jsuri.Primitive);
});
const url = uri.toString();
const fetchObj = fetch(url, {
method: 'GET',
});
return _sendRequest(fetchObj, path, callback, failure);
};
export default function Tracker(configs: { code: string; uid?: string; isCN?: boolean; endpoint?: string }): VAClient {
const code = configs.code;
const sessionManager = SessionManager(configs.uid);
const isCN = !!configs.isCN;
const endpoint = configs.endpoint;
let baseUrl: string;
Iif (endpoint) {
baseUrl = endpoint;
} else Iif (isCN) {
baseUrl = BASE_URL_CN;
} else {
baseUrl = BASE_URL;
}
return {
getUID(): string {
return sessionManager.getUID();
},
setUID(uid: string): void {
sessionManager.setUID(uid);
},
getSID(): string {
return sessionManager.getSID();
},
resetSession(): string {
return sessionManager.resetSession();
},
getSessionTimeRemaining(): number {
return sessionManager.getSessionTimeRemaining();
},
generateUUID(): string {
return sessionManager.generateUUID();
},
validateEvents(events: unknown, failCallback?: (err: Error) => void): boolean {
if (!Array.isArray(events)) {
failCallback?.(Error('events must be an array'));
return false;
}
if (events.length <= 0) {
failCallback?.(Error('events must have at least 1 item'));
return false;
}
return true;
},
sendEvent(
action: string,
event: Record<string, unknown>,
successCallback: () => void,
failCallback: (err: unknown) => void
): void {
const path = `${baseUrl}/__va.gif`;
const defaultParams = this.getDefaultParams(action);
const params = addData(defaultParams, event);
void _sendGetRequest(path, params, successCallback, failCallback);
},
sendEvents(
action: string,
events: Record<string, unknown>[],
successCallback: () => void,
failCallback: (err: unknown) => void
): void {
if (!this.validateEvents(events, failCallback)) {
return;
}
const batchId = sessionManager.generateUUID();
events.forEach((event) => {
if (action.toLowerCase() === 'transaction' && !event.transId) {
event.transId = batchId;
}
this.sendEvent(action, event, successCallback, failCallback);
});
},
getDefaultParams(action?: string): Record<string, unknown> {
const defaultParams: Record<string, unknown> = {};
defaultParams.code = code;
defaultParams.sid = sessionManager.getSessionId();
defaultParams.uid = sessionManager.getUID();
defaultParams.sdk = SDK;
defaultParams.v = SDK_VERSION;
defaultParams.action = action;
defaultParams.ts = new Date().getTime();
return defaultParams;
},
};
}
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