vercount-react
Version:
The React component for Vercount, a simple website counter powered by NextJS.
326 lines (323 loc) • 12.3 kB
JavaScript
'use client';
import { useState, useRef, useEffect } from 'react';
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
Promise.resolve(value).then(_next, _throw);
}
}
function _async_to_generator(fn) {
return function() {
var self = this, args = arguments;
return new Promise(function(resolve, reject) {
var gen = fn.apply(self, args);
function _next(value) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
}
function _throw(err) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
}
_next(undefined);
});
};
}
function _ts_generator(thisArg, body) {
var f, y, t, g, _ = {
label: 0,
sent: function() {
if (t[0] & 1) throw t[1];
return t[1];
},
trys: [],
ops: []
};
return g = {
next: verb(0),
"throw": verb(1),
"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(_)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
};
}
}
var useVercount = function() {
var _useState = useState({
sitePv: "0",
pagePv: "0",
siteUv: "0"
}), visitorData = _useState[0], setVisitorData = _useState[1];
// Use ref to track if we've fired this session
var hasFired = useRef(false);
var getBaseUrl = function() {
return "https://events.vercount.one";
};
// Generate a simple browser fingerprint to help identify legitimate requests
var generateBrowserToken = function() {
var screenInfo = window.screen.width + "x" + window.screen.height + "x" + window.screen.colorDepth;
var timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone || '';
var languages = navigator.languages ? navigator.languages.join(',') : navigator.language || '';
var canvas = document.createElement('canvas');
var gl = canvas.getContext('webgl');
var glInfo = gl ? gl.getParameter(gl.RENDERER) : '';
// Combine various browser properties to create a simple fingerprint
var components = [
screenInfo,
timeZone,
languages,
navigator.userAgent,
glInfo,
new Date().getTimezoneOffset()
].join('|');
// Create a simple hash of the components
var hash = 0;
for(var i = 0; i < components.length; i++){
hash = (hash << 5) - hash + components.charCodeAt(i);
hash = hash & hash; // Convert to 32bit integer
}
return Math.abs(hash).toString(36);
};
var fetchVisitorCount = /*#__PURE__*/ _async_to_generator(function() {
var baseUrl, apiUrl, browserToken, response, responseData, _responseData_data, site_pv, page_pv, site_uv, newData, corsError, fallbackResponse, responseData1, _responseData_data1, site_pv1, page_pv1, site_uv1, newData1, error, cachedData, parsedData;
return _ts_generator(this, function(_state) {
switch(_state.label){
case 0:
baseUrl = getBaseUrl();
apiUrl = "" + baseUrl + "/api/v2/log";
// Generate browser token
browserToken = generateBrowserToken();
_state.label = 1;
case 1:
_state.trys.push([
1,
9,
,
10
]);
_state.label = 2;
case 2:
_state.trys.push([
2,
5,
,
8
]);
return [
4,
fetch(apiUrl, {
method: "POST",
headers: {
"Content-Type": "application/json",
"X-Browser-Token": browserToken
},
body: JSON.stringify({
url: window.location.href,
token: browserToken,
version: "v2" // Add version parameter for v2 API
})
})
];
case 3:
response = _state.sent();
return [
4,
response.json()
];
case 4:
responseData = _state.sent();
// Handle the new response structure with status, message, and data
if (responseData.status === "success" && responseData.data) {
_responseData_data = responseData.data, site_pv = _responseData_data.site_pv, page_pv = _responseData_data.page_pv, site_uv = _responseData_data.site_uv;
newData = {
sitePv: site_pv.toString(),
pagePv: page_pv.toString(),
siteUv: site_uv.toString()
};
setVisitorData(newData);
localStorage.setItem('visitorCountData', JSON.stringify(newData));
} else {
console.warn("API returned error:", responseData.message);
throw new Error(responseData.message || "API error");
}
return [
3,
8
];
case 5:
corsError = _state.sent();
// If we get a CORS error, try again without the custom header
console.warn("CORS error with token header, retrying without custom header:", corsError);
return [
4,
fetch(apiUrl, {
method: "POST",
headers: {
"Content-Type": "application/json"
},
body: JSON.stringify({
url: window.location.href,
token: browserToken,
version: "v2" // Add version parameter for v2 API
})
})
];
case 6:
fallbackResponse = _state.sent();
return [
4,
fallbackResponse.json()
];
case 7:
responseData1 = _state.sent();
// Handle the new response structure with status, message, and data
if (responseData1.status === "success" && responseData1.data) {
_responseData_data1 = responseData1.data, site_pv1 = _responseData_data1.site_pv, page_pv1 = _responseData_data1.page_pv, site_uv1 = _responseData_data1.site_uv;
newData1 = {
sitePv: site_pv1.toString(),
pagePv: page_pv1.toString(),
siteUv: site_uv1.toString()
};
setVisitorData(newData1);
localStorage.setItem('visitorCountData', JSON.stringify(newData1));
} else {
console.warn("API returned error:", responseData1.message);
throw new Error(responseData1.message || "API error");
}
return [
3,
8
];
case 8:
return [
3,
10
];
case 9:
error = _state.sent();
console.error("Error fetching visitor count:", error);
// Try to use cached data if available
cachedData = localStorage.getItem("visitorCountData");
if (cachedData) {
try {
parsedData = JSON.parse(cachedData);
setVisitorData(parsedData);
console.log("Using cached visitor count data");
} catch (cacheError) {
console.error("Error parsing cached data:", cacheError);
}
}
return [
3,
10
];
case 10:
return [
2
];
}
});
});
useEffect(function() {
// Only proceed if we haven't fired this session
if (hasFired.current) {
return;
}
var storedData = localStorage.getItem('visitorCountData');
if (storedData) {
try {
setVisitorData(JSON.parse(storedData));
} catch (error) {
console.error("Error parsing stored visitor data:", error);
}
}
// Always fetch new data once per session
fetchVisitorCount();
// Mark as fired for this session
hasFired.current = true;
}, []);
return visitorData;
};
export { useVercount };