61 lines
1.6 KiB
TypeScript
61 lines
1.6 KiB
TypeScript
function isLocalHost(host: string): boolean {
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const normalized = host.toLowerCase()
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return (
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normalized === 'localhost' ||
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normalized === '127.0.0.1' ||
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normalized === '::1' ||
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normalized.endsWith('.local')
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)
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}
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function normalizeProtocol(protocol: string): 'ws:' | 'wss:' {
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if (protocol === 'https:' || protocol === 'wss:') return 'wss:'
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return 'ws:'
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}
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export function buildGatewayWebSocketUrl(input: {
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host: string
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port: number
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browserProtocol?: string
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}): string {
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const rawHost = String(input.host || '').trim()
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const port = Number(input.port)
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const browserProtocol = input.browserProtocol === 'https:' ? 'https:' : 'http:'
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if (!rawHost) {
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return `${browserProtocol === 'https:' ? 'wss' : 'ws'}://127.0.0.1:${port || 18789}`
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}
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const prefixed =
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rawHost.startsWith('ws://') ||
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rawHost.startsWith('wss://') ||
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rawHost.startsWith('http://') ||
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rawHost.startsWith('https://')
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? rawHost
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: null
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if (prefixed) {
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try {
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const parsed = new URL(prefixed)
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parsed.protocol = normalizeProtocol(parsed.protocol)
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// Users often paste dashboard/session URLs; websocket connect should target gateway root.
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parsed.pathname = '/'
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parsed.search = ''
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parsed.hash = ''
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return parsed.toString().replace(/\/$/, '')
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} catch {
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return prefixed
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}
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}
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const wsProtocol = browserProtocol === 'https:' ? 'wss' : 'ws'
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const shouldOmitPort =
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wsProtocol === 'wss' &&
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!isLocalHost(rawHost) &&
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port === 18789
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return shouldOmitPort
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? `${wsProtocol}://${rawHost}`
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: `${wsProtocol}://${rawHost}:${port || 18789}`
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}
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