Default hostname pattern of a origin is {{uuid}}.webview.{{hostname}}. Where {{uuid}} is a placeholder for a webview global id.
For electron target the default pattern is always used.
For the browser target use THEIA_WEBVIEW_EXTERNAL_ENDPOINT env variable to customize it.
Each webview should be deployed on a unique origin (https://developer.mozilla.org/en-US/docs/Web/Security/Same-origin_policy) to ensure isolation from browser shared state as cookies, local storage and so on.
Default hostname pattern of a origin is
{{uuid}}.webview.{{hostname}}. Where{{uuid}}is a placeholder for a webview global id. For electron target the default pattern is always used. For the browser target useTHEIA_WEBVIEW_EXTERNAL_ENDPOINTenv variable to customize it.