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49 lines
1.4 KiB
TypeScript
49 lines
1.4 KiB
TypeScript
/**
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* Copyright (c) OpenLens Authors. All rights reserved.
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* Licensed under MIT License. See LICENSE in root directory for more information.
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*/
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import type { ClusterId } from "../cluster-types";
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/**
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* Grab the `ClusterId` out of a host that was generated by `getClusterFrameUrl`, or nothing
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* @param host The host section of a URL
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* @returns The `ClusterId` part of the host, or `undefined`
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*/
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export function getClusterIdFromHost(host: string): ClusterId | undefined {
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// e.g host == "%clusterId.localhost:45345"
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const subDomains = host.split(":")[0].split(".");
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return subDomains.slice(-2, -1)[0]; // ClusterId or undefined
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}
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/**
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* Get the OpenLens backend routing host for a given `ClusterId`
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* @param clusterId The ID to put in front of the current host
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* @returns a new URL host section
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*/
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export function getClusterFrameUrl(clusterId: ClusterId) {
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return `//${clusterId}.${location.host}`;
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}
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/**
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* Get the result of `getClusterIdFromHost` from the current `location.host`
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*/
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export function getHostedClusterId(): ClusterId | undefined {
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// catch being called in main
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if (typeof location === "undefined") {
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return undefined;
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}
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return getClusterIdFromHost(location.host);
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}
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/**
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* Returns true only if code is running within a cluster iframe context
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*/
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export function isClusterPageContext(): boolean {
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if (typeof window === "undefined") return false;
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return !!getClusterIdFromHost(window.location.host);
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}
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