next
Version:
The React Framework
52 lines (51 loc) • 2.5 kB
JavaScript
import { COOKIE_NAME_PRERENDER_BYPASS, checkIsOnDemandRevalidate } from '../api-utils';
export class DraftModeProvider {
constructor(previewProps, req, cookies, mutableCookies){
var _cookies_get;
// The logic for draftMode() is very similar to tryGetPreviewData()
// but Draft Mode does not have any data associated with it.
const isOnDemandRevalidate = previewProps && checkIsOnDemandRevalidate(req, previewProps).isOnDemandRevalidate;
const cookieValue = (_cookies_get = cookies.get(COOKIE_NAME_PRERENDER_BYPASS)) == null ? void 0 : _cookies_get.value;
this._isEnabled = Boolean(!isOnDemandRevalidate && cookieValue && previewProps && (cookieValue === previewProps.previewModeId || // In dev mode, the cookie can be actual hash value preview id but the preview props can still be `development-id`.
process.env.NODE_ENV !== 'production' && previewProps.previewModeId === 'development-id'));
this._previewModeId = previewProps == null ? void 0 : previewProps.previewModeId;
this._mutableCookies = mutableCookies;
}
get isEnabled() {
return this._isEnabled;
}
enable() {
if (!this._previewModeId) {
throw Object.defineProperty(new Error('Invariant: previewProps missing previewModeId this should never happen'), "__NEXT_ERROR_CODE", {
value: "E93",
enumerable: false,
configurable: true
});
}
this._mutableCookies.set({
name: COOKIE_NAME_PRERENDER_BYPASS,
value: this._previewModeId,
httpOnly: true,
sameSite: process.env.NODE_ENV !== 'development' ? 'none' : 'lax',
secure: process.env.NODE_ENV !== 'development',
path: '/'
});
this._isEnabled = true;
}
disable() {
// To delete a cookie, set `expires` to a date in the past:
// https://tools.ietf.org/html/rfc6265#section-4.1.1
// `Max-Age: 0` is not valid, thus ignored, and the cookie is persisted.
this._mutableCookies.set({
name: COOKIE_NAME_PRERENDER_BYPASS,
value: '',
httpOnly: true,
sameSite: process.env.NODE_ENV !== 'development' ? 'none' : 'lax',
secure: process.env.NODE_ENV !== 'development',
path: '/',
expires: new Date(0)
});
this._isEnabled = false;
}
}
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