| Path : /var/www/html/infraai.ai/frontend/node_modules/is-network-error/ |
|
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| Current File : /var/www/html/infraai.ai/frontend/node_modules/is-network-error/index.js |
const objectToString = Object.prototype.toString;
const isError = value => objectToString.call(value) === '[object Error]';
const errorMessages = new Set([
'network error', // Chrome
'NetworkError when attempting to fetch resource.', // Firefox
'The Internet connection appears to be offline.', // Safari 16
'Network request failed', // `cross-fetch`
'fetch failed', // Undici (Node.js)
'terminated', // Undici (Node.js)
' A network error occurred.', // Bun (WebKit)
'Network connection lost', // Cloudflare Workers (fetch)
]);
export default function isNetworkError(error) {
const isValid = error
&& isError(error)
&& error.name === 'TypeError'
&& typeof error.message === 'string';
if (!isValid) {
return false;
}
const {message, stack} = error;
// Safari 17+ has generic message but no stack for network errors
if (message === 'Load failed' || (message.startsWith('Load failed (') && message.endsWith(')'))) {
return stack === undefined
// Sentry adds its own stack trace to the fetch error, so also check for that
|| '__sentry_captured__' in error;
}
// Deno network errors start with specific text
if (message.startsWith('error sending request for url')) {
return true;
}
// Chrome: exact "Failed to fetch" or with hostname: "Failed to fetch (example.com)"
if (message === 'Failed to fetch' || (message.startsWith('Failed to fetch (') && message.endsWith(')'))) {
return true;
}
// Standard network error messages
return errorMessages.has(message);
}