next/dist/server/use-cache/handlers.js

The React Framework

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
0 && (module.exports = {
    getCacheHandler: null,
    getCacheHandlerEntries: null,
    getCacheHandlers: null,
    initializeCacheHandlers: null,
    setCacheHandler: null
});
function _export(target, all) {
    for(var name in all)Object.defineProperty(target, name, {
        enumerable: true,
        get: all[name]
    });
}
_export(exports, {
    getCacheHandler: function() {
        return getCacheHandler;
    },
    getCacheHandlerEntries: function() {
        return getCacheHandlerEntries;
    },
    getCacheHandlers: function() {
        return getCacheHandlers;
    },
    initializeCacheHandlers: function() {
        return initializeCacheHandlers;
    },
    setCacheHandler: function() {
        return setCacheHandler;
    }
});
const _default = /*#__PURE__*/ _interop_require_default(require("../lib/cache-handlers/default"));
function _interop_require_default(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    };
}
const debug = process.env.NEXT_PRIVATE_DEBUG_CACHE ? (message, ...args)=>{
    console.log(`use-cache: ${message}`, ...args);
} : undefined;
const handlersSymbol = Symbol.for('@next/cache-handlers');
const handlersMapSymbol = Symbol.for('@next/cache-handlers-map');
const handlersSetSymbol = Symbol.for('@next/cache-handlers-set');
/**
 * The reference to the cache handlers. We store the cache handlers on the
 * global object so that we can access the same instance across different
 * boundaries (such as different copies of the same module).
 */ const reference = globalThis;
function initializeCacheHandlers() {
    // If the cache handlers have already been initialized, don't do it again.
    if (reference[handlersMapSymbol]) {
        debug == null ? void 0 : debug('cache handlers already initialized');
        return false;
    }
    debug == null ? void 0 : debug('initializing cache handlers');
    reference[handlersMapSymbol] = new Map();
    // Initialize the cache from the symbol contents first.
    if (reference[handlersSymbol]) {
        let fallback;
        if (reference[handlersSymbol].DefaultCache) {
            debug == null ? void 0 : debug('setting "default" cache handler from symbol');
            fallback = reference[handlersSymbol].DefaultCache;
        } else {
            debug == null ? void 0 : debug('setting "default" cache handler from default');
            fallback = _default.default;
        }
        reference[handlersMapSymbol].set('default', fallback);
        if (reference[handlersSymbol].RemoteCache) {
            debug == null ? void 0 : debug('setting "remote" cache handler from symbol');
            reference[handlersMapSymbol].set('remote', reference[handlersSymbol].RemoteCache);
        } else {
            debug == null ? void 0 : debug('setting "remote" cache handler from default');
            reference[handlersMapSymbol].set('remote', fallback);
        }
    } else {
        debug == null ? void 0 : debug('setting "default" cache handler from default');
        reference[handlersMapSymbol].set('default', _default.default);
        debug == null ? void 0 : debug('setting "remote" cache handler from default');
        reference[handlersMapSymbol].set('remote', _default.default);
    }
    // Create a set of the cache handlers.
    reference[handlersSetSymbol] = new Set(reference[handlersMapSymbol].values());
    return true;
}
function getCacheHandler(kind) {
    // This should never be called before initializeCacheHandlers.
    if (!reference[handlersMapSymbol]) {
        throw Object.defineProperty(new Error('Cache handlers not initialized'), "__NEXT_ERROR_CODE", {
            value: "E649",
            enumerable: false,
            configurable: true
        });
    }
    return reference[handlersMapSymbol].get(kind);
}
function getCacheHandlers() {
    if (!reference[handlersSetSymbol]) {
        return undefined;
    }
    return reference[handlersSetSymbol].values();
}
function getCacheHandlerEntries() {
    if (!reference[handlersMapSymbol]) {
        return undefined;
    }
    return reference[handlersMapSymbol].entries();
}
function setCacheHandler(kind, cacheHandler) {
    // This should never be called before initializeCacheHandlers.
    if (!reference[handlersMapSymbol] || !reference[handlersSetSymbol]) {
        throw Object.defineProperty(new Error('Cache handlers not initialized'), "__NEXT_ERROR_CODE", {
            value: "E649",
            enumerable: false,
            configurable: true
        });
    }
    debug == null ? void 0 : debug('setting cache handler for "%s"', kind);
    reference[handlersMapSymbol].set(kind, cacheHandler);
    reference[handlersSetSymbol].add(cacheHandler);
}

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