Initial commit

This commit is contained in:
talksik
2021-12-29 01:57:42 -08:00
commit ce39a60b42
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import { syncMemoizer } from './sync';
import { INodeStyleCallBack, ResultBase, IParamsBase } from './util';
interface IMemoized<T1, T2, T3, T4, T5, T6, TResult> extends ResultBase {
(arg1: T1, cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, arg2: T2, cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, arg2: T2, arg3: T3, cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6, cb: INodeStyleCallBack<TResult>): void;
}
interface IMemoizableFunction<T1, T2, T3, T4, T5, T6, TResult> {
(cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, arg2: T2, cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, arg2: T2, arg3: T3, cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, cb: INodeStyleCallBack<TResult>): void;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6, cb: INodeStyleCallBack<TResult>): void;
(...rest: any[]): void;
}
interface AsyncParams<T1, T2, T3, T4, T5, T6, TResult> extends IParamsBase<T1, T2, T3, T4, T5, T6, TResult> {
/**
* The function that loads the resource when is not in the cache.
*/
load: IMemoizableFunction<T1, T2, T3, T4, T5, T6, TResult>;
}
declare function asyncMemoizer<T1, T2, T3, T4, T5, T6, TResult>(options: AsyncParams<T1, T2, T3, T4, T5, T6, TResult>): IMemoized<T1, T2, T3, T4, T5, T6, TResult>;
declare namespace asyncMemoizer {
var sync: typeof syncMemoizer;
}
export { asyncMemoizer };
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export declare function deepFreeze(o: any): any;
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"use strict";
// From https://raw.githubusercontent.com/nikoskalogridis/deep-freeze/fb921b32064dce1645197be2bf975fe0385450b0/index.js
// which is sadly, no longer maintained
Object.defineProperty(exports, "__esModule", { value: true });
function deepFreeze(o) {
if (o) {
Object.freeze(o);
Object.getOwnPropertyNames(o).forEach(function (prop) {
if (o.hasOwnProperty(prop)
&& o[prop] !== null
&& (typeof o[prop] === 'object' || typeof o[prop] === 'function')
&& (o[prop].constructor !== Buffer)
&& !Object.isFrozen(o[prop])) {
deepFreeze(o[prop]);
}
});
}
return o;
}
exports.deepFreeze = deepFreeze;
;
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import { asyncMemoizer } from './async';
export = asyncMemoizer;
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"use strict";
var async_1 = require("./async");
module.exports = async_1.asyncMemoizer;
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import { ResultBase, IParamsBase } from './util';
interface IMemoizedSync<T1, T2, T3, T4, T5, T6, TResult> extends ResultBase {
(arg1: T1): TResult;
(arg1: T1, arg2: T2): TResult;
(arg1: T1, arg2: T2, arg3: T3): TResult;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4): TResult;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5): TResult;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6): TResult;
}
interface IMemoizableFunctionSync<T1, T2, T3, T4, T5, T6, TResult> {
(): TResult;
(arg1: T1): TResult;
(arg1: T1, arg2: T2): TResult;
(arg1: T1, arg2: T2, arg3: T3): TResult;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4): TResult;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5): TResult;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6): TResult;
(...args: any[]): TResult;
}
export interface SyncParams<T1, T2, T3, T4, T5, T6, TResult> extends IParamsBase<T1, T2, T3, T4, T5, T6, TResult> {
/**
* The function that loads the resource when is not in the cache.
*/
load: IMemoizableFunctionSync<T1, T2, T3, T4, T5, T6, TResult>;
}
export declare function syncMemoizer<T1, T2, T3, T4, T5, T6, TResult>(options: SyncParams<T1, T2, T3, T4, T5, T6, TResult>): IMemoizedSync<T1, T2, T3, T4, T5, T6, TResult>;
export {};
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"use strict";
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spread = (this && this.__spread) || function () {
for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));
return ar;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var lru_cache_1 = __importDefault(require("lru-cache"));
var events_1 = require("events");
var lodash_clonedeep_1 = __importDefault(require("lodash.clonedeep"));
var freeze_1 = require("./freeze");
function syncMemoizer(options) {
var cache = new lru_cache_1.default(options);
var load = options.load;
var hash = options.hash;
var bypass = options.bypass;
var itemMaxAge = options.itemMaxAge;
var freeze = options.freeze;
var clone = options.clone;
var emitter = new events_1.EventEmitter();
var defaultResult = Object.assign({
del: del,
reset: function () { return cache.reset(); },
keys: cache.keys.bind(cache),
on: emitter.on.bind(emitter),
once: emitter.once.bind(emitter)
}, options);
if (options.disable) {
return Object.assign(load, defaultResult);
}
function del() {
var key = hash.apply(void 0, __spread(arguments));
cache.del(key);
}
function emit(event) {
var parameters = [];
for (var _i = 1; _i < arguments.length; _i++) {
parameters[_i - 1] = arguments[_i];
}
emitter.emit.apply(emitter, __spread([event], parameters));
}
function isPromise(result) {
// detect native, bluebird, A+ promises
return result && result.then && typeof result.then === 'function';
}
function processResult(result) {
var res = result;
if (clone) {
if (isPromise(res)) {
res = res.then(lodash_clonedeep_1.default);
}
else {
res = lodash_clonedeep_1.default(res);
}
}
if (freeze) {
if (isPromise(res)) {
res = res.then(freeze_1.deepFreeze);
}
else {
freeze_1.deepFreeze(res);
}
}
return res;
}
var result = function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
if (bypass && bypass.apply(void 0, __spread(args))) {
emit.apply(void 0, __spread(['miss'], args));
return load.apply(void 0, __spread(args));
}
var key = hash.apply(void 0, __spread(args));
var fromCache = cache.get(key);
if (fromCache) {
emit.apply(void 0, __spread(['hit'], args));
return processResult(fromCache);
}
emit.apply(void 0, __spread(['miss'], args));
var result = load.apply(void 0, __spread(args));
if (itemMaxAge) {
// @ts-ignore
cache.set(key, result, itemMaxAge.apply(void 0, __spread(args.concat([result]))));
}
else {
cache.set(key, result);
}
return processResult(result);
};
return Object.assign(result, defaultResult);
}
exports.syncMemoizer = syncMemoizer;
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import LRU from 'lru-cache';
export declare type Listener = (...args: any[]) => void;
export declare type INodeStyleCallBack<SuccessArg> = (err: Error, result?: SuccessArg) => void;
export interface ResultBase {
/**
* Returns all keys in the cache.
*/
keys: () => string[];
/**
* Clear the cache.
*/
reset: () => void;
/**
* Delete an item given the parameters.
*/
del: <T1, T2, T3, T4, T5, T6>(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6) => void;
on(event: 'hit', handler: Listener): void;
on(event: 'miss', handler: Listener): void;
on(event: 'queue', handler: Listener): void;
}
export interface IHashingFunction<T1, T2, T3, T4, T5, T6> {
(): string;
(arg1: T1): string;
(arg1: T1, arg2: T2): string;
(arg1: T1, arg2: T2, arg3: T3): string;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4): string;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5): string;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6): string;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6): string;
(...rest: any[]): string;
}
export interface IBypassFunction<T1, T2, T3, T4, T5, T6> {
(): boolean;
(arg1: T1): boolean;
(arg1: T1, arg2: T2): boolean;
(arg1: T1, arg2: T2, arg3: T3): boolean;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4): boolean;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5): boolean;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6): boolean;
(...rest: any[]): boolean;
}
export interface IMaxAgeFunction<T1, T2, T3, T4, T5, T6, TResult> {
(res: TResult): number;
(arg1: T1, res: TResult): number;
(arg1: T1, arg2: T2, res: TResult): number;
(arg1: T1, arg2: T2, arg3: T3, res: TResult): number;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, res: TResult): number;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, res: TResult): number;
(arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6, res: TResult): number;
(...rest: any[]): number;
}
export interface IParamsBase<T1, T2, T3, T4, T5, T6, TResult> extends LRU.Options<string, any> {
/**
* A function to generate the key of the cache.
*/
hash: IHashingFunction<T1, T2, T3, T4, T5, T6>;
/**
* Return true if the result should not be retrieved from the cache.
*/
bypass?: IBypassFunction<T1, T2, T3, T4, T5, T6>;
/**
* An optional function to indicate the maxAge of an specific item.
*/
itemMaxAge: IMaxAgeFunction<T1, T2, T3, T4, T5, T6, TResult>;
/**
* Indicates if the resource should be freezed.
*/
freeze?: boolean;
/**
* Indicates if the resource should be cloned before is returned.
*/
clone?: boolean;
/**
* Disable the cache and executes the load logic directly.
*/
disable?: boolean;
/**
* Do not queue requests if initial call is more than `queueMaxAge` milliseconds old.
* Instead, invoke `load` again and create a new queue.
* Defaults to 1000ms.
*/
queueMaxAge?: number;
}
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
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