next
Version:
The React Framework
23 lines (22 loc) • 990 B
JavaScript
import { InvariantError } from '../shared/lib/invariant-error';
export function getAssetPrefix() {
const currentScript = document.currentScript;
if (!(currentScript instanceof HTMLScriptElement)) {
throw Object.defineProperty(new InvariantError(`Expected document.currentScript to be a <script> element. Received ${currentScript} instead.`), "__NEXT_ERROR_CODE", {
value: "E783",
enumerable: false,
configurable: true
});
}
const { pathname } = new URL(currentScript.src);
const nextIndex = pathname.indexOf('/_next/');
if (nextIndex === -1) {
throw Object.defineProperty(new InvariantError(`Expected document.currentScript src to contain '/_next/'. Received ${currentScript.src} instead.`), "__NEXT_ERROR_CODE", {
value: "E784",
enumerable: false,
configurable: true
});
}
return pathname.slice(0, nextIndex);
}
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