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derekpittderekpitt
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caching
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‎.gitignore‎

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node_modules
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.DS_Store

‎dist/cache.js‎

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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var Cache = function Cache() {
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_classCallCheck(this, Cache);
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};
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exports.Cache = Cache;

‎dist/caching.d.ts‎

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declare module 'caching/cache' {
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export interface cacheValue {
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value: any;
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expire: number;
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}
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export type cacheEntries = {
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[key: string]: cacheValue;
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};
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export abstract class Cache {
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abstract set<T>(key: string, value: T, durationMS?: number): void;
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abstract get<T>(key: string): T;
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abstract remove(key: string): void;
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}
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}
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declare module 'caching/helpers' {
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import { cacheValue } from 'caching/cache';
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export function isExpired(val: cacheValue): boolean;
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export function cacheFor(n: number): {
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minutes: number;
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seconds: number;
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hours: number;
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};
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}
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declare module 'caching/memory-cache' {
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import { Cache } from 'caching/cache';
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export class MemoryCache implements Cache {
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private cache;
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set<T>(key: string, value: T, durationMS?: any): void;
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get<T>(key: string): T;
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remove(key: string): void;
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}
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}
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declare module 'caching/cookie-cache' {
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import { Cache } from 'caching/cache';
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export class CookieCache implements Cache {
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private CookieName;
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constructor(CookieName?: string);
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set<T>(key: string, value: T, durationMS?: any): void;
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get<T>(key: string): T;
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remove(key: string): void;
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private getCacheEntries();
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private setCacheEntries(entries);
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}
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}
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declare module 'caching/local-storage-cache' {
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import { Cache } from 'caching/cache';
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export class LocalStorageCache implements Cache {
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set<T>(key: string, value: T, durationMS?: number): void;
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get<T>(key: string): T;
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remove(key: string): void;
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}
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}
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declare module 'caching/scoped-cache' {
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import { Cache } from 'caching/cache';
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export class ScopedCache implements Cache {
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private scope;
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private cache;
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constructor(scope: string, cache: Cache);
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setScope(scope: string): void;
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set<T>(key: string, value: T, durationMS?: any): void;
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get<T>(key: string): T;
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remove(key: string): void;
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}
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}
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declare module 'caching' {
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export { Cache } from 'caching/cache';
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export { cacheFor } from 'caching/helpers';
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export { MemoryCache } from 'caching/memory-cache';
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export { CookieCache } from 'caching/cookie-cache';
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export { LocalStorageCache } from 'caching/local-storage-cache';
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export { ScopedCache } from 'caching/scoped-cache';
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}

‎dist/cookie-cache.js‎

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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var _helpers = require("./helpers");
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var CookieCache = (function () {
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function CookieCache() {
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var CookieName = arguments.length <= 0 || arguments[0] === undefined ? "__cookie_cache" : arguments[0];
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_classCallCheck(this, CookieCache);
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this.CookieName = CookieName;
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}
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_createClass(CookieCache, [{
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key: "set",
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value: function set(key, value) {
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var durationMS = arguments.length <= 2 || arguments[2] === undefined ? null : arguments[2];
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var expire = durationMS ? Date.now() + durationMS : null;
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var currentEntries = this.getCacheEntries();
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currentEntries[key] = { value: value, expire: expire };
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this.setCacheEntries(currentEntries);
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}
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}, {
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key: "get",
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value: function get(key) {
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var currentEntries = this.getCacheEntries();
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var val = currentEntries[key];
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if (val) {
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if (!(0, _helpers.isExpired)(val)) {
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return val.value;
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} else {
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// expired, delete
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this.remove(key);
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}
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}
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return null;
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}
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}, {
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key: "remove",
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value: function remove(key) {
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var currentEntries = this.getCacheEntries();
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delete currentEntries[key];
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this.setCacheEntries(currentEntries);
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}
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}, {
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key: "getCacheEntries",
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value: function getCacheEntries() {
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var decoded = window.atob(document.cookie.replace(new RegExp("(?:(?:^|.*;\\s*)" + this.CookieName + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1"));
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return JSON.parse(decoded || "{}");
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}
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}, {
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key: "setCacheEntries",
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value: function setCacheEntries(entries) {
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var encoded = window.btoa(JSON.stringify(entries));
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document.cookie = this.CookieName + "=" + encoded + "; expires=0; path=/";
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}
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}]);
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return CookieCache;
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})();
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exports.CookieCache = CookieCache;

‎dist/helpers.js‎

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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.isExpired = isExpired;
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exports.cacheFor = cacheFor;
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function isExpired(val) {
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if (val.expire == null) return false;
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return val.expire < Date.now();
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}
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function cacheFor(n) {
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var seconds = n * 1000;
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var minutes = n * 60 * 1000;
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var hours = n * 60 * 60 * 1000;
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return { minutes: minutes, seconds: seconds, hours: hours };
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}

‎dist/index.js‎

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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _cache = require("./cache");
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Object.defineProperty(exports, "Cache", {
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enumerable: true,
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get: function get() {
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return _cache.Cache;
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}
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});
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var _helpers = require("./helpers");
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Object.defineProperty(exports, "cacheFor", {
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enumerable: true,
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get: function get() {
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return _helpers.cacheFor;
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}
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});
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var _memoryCache = require("./memory-cache");
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Object.defineProperty(exports, "MemoryCache", {
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enumerable: true,
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get: function get() {
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return _memoryCache.MemoryCache;
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}
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});
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var _cookieCache = require("./cookie-cache");
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Object.defineProperty(exports, "CookieCache", {
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enumerable: true,
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get: function get() {
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return _cookieCache.CookieCache;
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}
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});
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var _localStorageCache = require("./local-storage-cache");
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Object.defineProperty(exports, "LocalStorageCache", {
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enumerable: true,
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get: function get() {
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return _localStorageCache.LocalStorageCache;
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}
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});
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var _scopedCache = require("./scoped-cache");
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Object.defineProperty(exports, "ScopedCache", {
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enumerable: true,
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get: function get() {
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return _scopedCache.ScopedCache;
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}
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});

‎dist/local-storage-cache.js‎

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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var _helpers = require("./helpers");
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var LocalStorageCache = (function () {
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function LocalStorageCache() {
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_classCallCheck(this, LocalStorageCache);
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}
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_createClass(LocalStorageCache, [{
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key: "set",
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value: function set(key, value, durationMS) {
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var expire = durationMS ? Date.now() + durationMS : null;
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localStorage[key] = JSON.stringify({ value: value, expire: expire });
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}
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}, {
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key: "get",
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value: function get(key) {
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var val = JSON.parse(localStorage[key] || "null");
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if (val) {
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if (!(0, _helpers.isExpired)(val)) {
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return val.value;
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} else {
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this.remove(key);
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}
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}
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return null;
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}
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}, {
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key: "remove",
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value: function remove(key) {
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delete localStorage[key];
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}
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}]);
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return LocalStorageCache;
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})();
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exports.LocalStorageCache = LocalStorageCache;

‎dist/memory-cache.js‎

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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var _helpers = require("./helpers");
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var MemoryCache = (function () {
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function MemoryCache() {
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_classCallCheck(this, MemoryCache);
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this.cache = {};
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}
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_createClass(MemoryCache, [{
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key: "set",
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value: function set(key, value) {
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var durationMS = arguments.length <= 2 || arguments[2] === undefined ? null : arguments[2];
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var expire = durationMS ? Date.now() + durationMS : null;
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this.cache[key] = { value: value, expire: expire };
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}
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}, {
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key: "get",
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value: function get(key) {
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var val = this.cache[key];
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if (val) {
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if (!(0, _helpers.isExpired)(val)) {
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return val.value;
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} else {
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this.remove(key);
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}
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}
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return null;
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}
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}, {
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key: "remove",
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value: function remove(key) {
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delete this.cache[key];
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}
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}]);
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return MemoryCache;
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})();
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exports.MemoryCache = MemoryCache;

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