113 lines
7.1 KiB
JavaScript
113 lines
7.1 KiB
JavaScript
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"use strict";
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var __read = (this && this.__read) || function (o, n) {
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var m = typeof Symbol === "function" && o[Symbol.iterator];
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if (!m) return o;
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var i = m.call(o), r, ar = [], e;
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try {
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while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
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}
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catch (error) { e = { error: error }; }
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finally {
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try {
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if (r && !r.done && (m = i["return"])) m.call(i);
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}
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finally { if (e) throw e.error; }
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}
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return ar;
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};
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var __spread = (this && this.__spread) || function () {
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for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));
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return ar;
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};
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var lru_cache_1 = __importDefault(require("lru-cache"));
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var events_1 = require("events");
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var lodash_clonedeep_1 = __importDefault(require("lodash.clonedeep"));
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var freeze_1 = require("./freeze");
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function syncMemoizer(options) {
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var cache = new lru_cache_1.default(options);
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var load = options.load;
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var hash = options.hash;
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var bypass = options.bypass;
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var itemMaxAge = options.itemMaxAge;
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var freeze = options.freeze;
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var clone = options.clone;
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var emitter = new events_1.EventEmitter();
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var defaultResult = Object.assign({
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del: del,
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reset: function () { return cache.reset(); },
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keys: cache.keys.bind(cache),
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on: emitter.on.bind(emitter),
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once: emitter.once.bind(emitter)
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}, options);
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if (options.disable) {
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return Object.assign(load, defaultResult);
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}
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function del() {
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var key = hash.apply(void 0, __spread(arguments));
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cache.del(key);
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}
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function emit(event) {
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var parameters = [];
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for (var _i = 1; _i < arguments.length; _i++) {
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parameters[_i - 1] = arguments[_i];
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}
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emitter.emit.apply(emitter, __spread([event], parameters));
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}
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function isPromise(result) {
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// detect native, bluebird, A+ promises
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return result && result.then && typeof result.then === 'function';
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}
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function processResult(result) {
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var res = result;
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if (clone) {
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if (isPromise(res)) {
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res = res.then(lodash_clonedeep_1.default);
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}
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else {
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res = lodash_clonedeep_1.default(res);
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}
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}
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if (freeze) {
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if (isPromise(res)) {
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res = res.then(freeze_1.deepFreeze);
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}
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else {
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freeze_1.deepFreeze(res);
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}
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}
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return res;
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}
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var result = function () {
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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if (bypass && bypass.apply(void 0, __spread(args))) {
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emit.apply(void 0, __spread(['miss'], args));
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return load.apply(void 0, __spread(args));
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}
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var key = hash.apply(void 0, __spread(args));
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var fromCache = cache.get(key);
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if (fromCache) {
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emit.apply(void 0, __spread(['hit'], args));
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return processResult(fromCache);
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}
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emit.apply(void 0, __spread(['miss'], args));
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var result = load.apply(void 0, __spread(args));
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if (itemMaxAge) {
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// @ts-ignore
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cache.set(key, result, itemMaxAge.apply(void 0, __spread(args.concat([result]))));
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}
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else {
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cache.set(key, result);
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}
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return processResult(result);
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};
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return Object.assign(result, defaultResult);
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}
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exports.syncMemoizer = syncMemoizer;
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//# sourceMappingURL=data:application/json;base64,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