zksync-sso
Version:
ZKsync Smart Sign On SDK
69 lines • 1.86 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getWebsiteName = getWebsiteName;
exports.getFavicon = getFavicon;
exports.noThrow = noThrow;
exports.findSmallestBigInt = findSmallestBigInt;
exports.calculateMaxFee = calculateMaxFee;
function getWebsiteName() {
const fullTitle = document.title;
if (!fullTitle)
return null;
const delimiters = [" - ", " | ", " : ", " · ", " — "];
for (const delimiter of delimiters) {
const parts = fullTitle.split(delimiter);
if (parts.length > 1) {
return parts[0].trim();
}
}
return fullTitle.trim();
}
function getFavicon() {
const el = document.querySelector("link[sizes=\"192x192\"], link[sizes=\"180x180\"], link[rel=\"icon\"], link[rel=\"shortcut icon\"]");
const href = el?.getAttribute("href");
if (!href)
return null;
try {
const url = new URL(href, document.location.href);
if (url.protocol !== "https:" && url.protocol !== "http:") {
return null;
}
return url.href;
}
catch {
return null;
}
}
function noThrow(fn) {
try {
return fn();
}
catch {
return null;
}
}
function findSmallestBigInt(arr) {
if (arr.length === 0)
throw new Error("Array must not be empty");
let smallest = arr[0];
for (const num of arr) {
if (num < smallest)
smallest = num;
}
return smallest;
}
function calculateMaxFee(fee) {
if (!fee.gas)
return 0n;
if (fee.gasPrice) {
return fee.gas * fee.gasPrice;
}
else if (fee.maxFeePerGas) {
return fee.gas * fee.maxFeePerGas;
}
else if (fee.maxPriorityFeePerGas) {
return fee.gas * fee.maxPriorityFeePerGas;
}
return 0n;
}
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