@ng-doc/builder/engine/core/operators/emit-cache.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.emitCache = emitCache;
const builder_1 = require("@ng-doc/builder");
const operators_1 = require("rxjs/operators");
/**
 * Creates an RxJS operator that triggers the execution of cached emit functions.
 * This operator is designed to be used in an RxJS pipeline where caching mechanisms
 * are in place to temporarily store emit functions. Upon invocation, it iterates over
 * the `PENDING_CACHE`, executing each cached emit function.
 *
 * The `PENDING_CACHE` is expected to be a collection (e.g., array) of functions that
 * are intended to be executed to emit values or perform actions that were deferred.
 *
 * This operator does not alter the stream's data directly but performs side effects
 * (the execution of emit functions) that may influence the application's state or behavior.
 * @template T The type of items in the observable stream.
 * @returns An OperatorFunction<T, T> that maintains the stream's data type and performs
 * the side effect of executing cached emit functions.
 */
function emitCache() {
    return (source) => {
        return source.pipe((0, operators_1.tap)(() => {
            // Iterate over the PENDING_CACHE and execute each emit function
            builder_1.PENDING_CACHE.forEach((emitCache) => emitCache());
            // Clear the PENDING_CACHE after all emit functions are executed
            builder_1.PENDING_CACHE.length = 0;
        }));
    };
}
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