sw.js

(global => {
  'use strict';

  // Load the sw-tookbox library.
  !function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.toolbox=e()}}(function(){return function e(t,n,r){function o(c,s){if(!n[c]){if(!t[c]){var a="function"==typeof require&&require;if(!s&&a)return a(c,!0);if(i)return i(c,!0);var u=new Error("Cannot find module '"+c+"'");throw u.code="MODULE_NOT_FOUND",u}var f=n[c]={exports:{}};t[c][0].call(f.exports,function(e){var n=t[c][1][e];return o(n?n:e)},f,f.exports,e,t,n,r)}return n[c].exports}for(var i="function"==typeof require&&require,c=0;c<r.length;c++)o(r[c]);return o}({1:[function(e,t,n){"use strict";function r(e,t){t=t||{};var n=t.debug||d.debug;n&&console.log("[sw-toolbox] "+e)}function o(e){var t;return e&&e.cache&&(t=e.cache.name),t=t||d.cache.name,caches.open(t)}function i(e,t){t=t||{};var n=t.successResponses||d.successResponses;return fetch(e.clone()).then(function(r){return"GET"===e.method&&n.test(r.status)&&o(t).then(function(n){n.put(e,r).then(function(){var r=t.cache||d.cache;(r.maxEntries||r.maxAgeSeconds)&&r.name&&c(e,n,r)})}),r.clone()})}function c(e,t,n){var r=s.bind(null,e,t,n);l=l?l.then(r):r()}function s(e,t,n){var o=e.url,i=n.maxAgeSeconds,c=n.maxEntries,s=n.name,a=Date.now();return r("Updating LRU order for "+o+". Max entries is "+c+", max age is "+i),g.getDb(s).then(function(e){return g.setTimestampForUrl(e,o,a)}).then(function(e){return g.expireEntries(e,c,i,a)}).then(function(e){r("Successfully updated IDB.");var n=e.map(function(e){return t.delete(e)});return Promise.all(n).then(function(){r("Done with cache cleanup.")})}).catch(function(e){r(e)})}function a(e,t,n){return r("Renaming cache: ["+e+"] to ["+t+"]",n),caches.delete(t).then(function(){return Promise.all([caches.open(e),caches.open(t)]).then(function(t){var n=t[0],r=t[1];return n.keys().then(function(e){return Promise.all(e.map(function(e){return n.match(e).then(function(t){return r.put(e,t)})}))}).then(function(){return caches.delete(e)})})})}function u(e,t){return o(t).then(function(t){return t.add(e)})}function f(e,t){return o(t).then(function(t){return t.delete(e)})}function h(e){e instanceof Promise||p(e),d.preCacheItems=d.preCacheItems.concat(e)}function p(e){var t=Array.isArray(e);if(t&&e.forEach(function(e){"string"==typeof e||e instanceof Request||(t=!1)}),!t)throw new TypeError("The precache method expects either an array of strings and/or Requests or a Promise that resolves to an array of strings and/or Requests.");return e}var l,d=e("./options"),g=e("./idb-cache-expiration");t.exports={debug:r,fetchAndCache:i,openCache:o,renameCache:a,cache:u,uncache:f,precache:h,validatePrecacheInput:p}},{"./idb-cache-expiration":2,"./options":4}],2:[function(e,t,n){"use strict";function r(e){return new Promise(function(t,n){var r=indexedDB.open(u+e,f);r.onupgradeneeded=function(){var e=r.result.createObjectStore(h,{keyPath:p});e.createIndex(l,l,{unique:!1})},r.onsuccess=function(){t(r.result)},r.onerror=function(){n(r.error)}})}function o(e){return e in d||(d[e]=r(e)),d[e]}function i(e,t,n){return new Promise(function(r,o){var i=e.transaction(h,"readwrite"),c=i.objectStore(h);c.put({url:t,timestamp:n}),i.oncomplete=function(){r(e)},i.onabort=function(){o(i.error)}})}function c(e,t,n){return t?new Promise(function(r,o){var i=1e3*t,c=[],s=e.transaction(h,"readwrite"),a=s.objectStore(h),u=a.index(l);u.openCursor().onsuccess=function(e){var t=e.target.result;if(t&&n-i>t.value[l]){var r=t.value[p];c.push(r),a.delete(r),t.continue()}},s.oncomplete=function(){r(c)},s.onabort=o}):Promise.resolve([])}function s(e,t){return t?new Promise(function(n,r){var o=[],i=e.transaction(h,"readwrite"),c=i.objectStore(h),s=c.index(l),a=s.count();s.count().onsuccess=function(){var e=a.result;e>t&&(s.openCursor().onsuccess=function(n){var r=n.target.result;if(r){var i=r.value[p];o.push(i),c.delete(i),e-o.length>t&&r.continue()}})},i.oncomplete=function(){n(o)},i.onabort=r}):Promise.resolve([])}function a(e,t,n,r){return c(e,n,r).then(function(n){return s(e,t).then(function(e){return n.concat(e)})})}var u="sw-toolbox-",f=1,h="store",p="url",l="timestamp",d={};t.exports={getDb:o,setTimestampForUrl:i,expireEntries:a}},{}],3:[function(e,t,n){"use strict";function r(e){var t=a.match(e.request);t?e.respondWith(t(e.request)):a.default&&"GET"===e.request.method&&0===e.request.url.indexOf("http")&&e.respondWith(a.default(e.request))}function o(e){s.debug("activate event fired");var t=u.cache.name+"$$$inactive$$$";e.waitUntil(s.renameCache(t,u.cache.name))}function i(e){return e.reduce(function(e,t){return e.concat(t)},[])}function c(e){var t=u.cache.name+"$$$inactive$$$";s.debug("install event fired"),s.debug("creating cache ["+t+"]"),e.waitUntil(s.openCache({cache:{name:t}}).then(function(e){return Promise.all(u.preCacheItems).then(i).then(s.validatePrecacheInput).then(function(t){return s.debug("preCache list: "+(t.join(", ")||"(none)")),e.addAll(t)})}))}e("serviceworker-cache-polyfill");var s=e("./helpers"),a=e("./router"),u=e("./options");t.exports={fetchListener:r,activateListener:o,installListener:c}},{"./helpers":1,"./options":4,"./router":6,"serviceworker-cache-polyfill":16}],4:[function(e,t,n){"use strict";var r;r=self.registration?self.registration.scope:self.scope||new URL("./",self.location).href,t.exports={cache:{name:"$$$toolbox-cache$$$"+r+"$$$",maxAgeSeconds:null,maxEntries:null},debug:!1,networkTimeoutSeconds:null,preCacheItems:[],successResponses:/^0|([123]\d\d)|(40[14567])|410$/}},{}],5:[function(e,t,n){"use strict";var r=new URL("./",self.location),o=r.pathname,i=e("path-to-regexp"),c=function(e,t,n,r){t instanceof RegExp?this.fullUrlRegExp=t:(0!==t.indexOf("/")&&(t=o+t),this.keys=[],this.regexp=i(t,this.keys)),this.method=e,this.options=r,this.handler=n};c.prototype.makeHandler=function(e){var t;if(this.regexp){var n=this.regexp.exec(e);t={},this.keys.forEach(function(e,r){t[e.name]=n[r+1]})}return function(e){return this.handler(e,t,this.options)}.bind(this)},t.exports=c},{"path-to-regexp":15}],6:[function(e,t,n){"use strict";function r(e){return e.replace(/[-\/\\^$*+?.()|[\]{}]/g,"\\$&")}var o=e("./route"),i=e("./helpers"),c=function(e,t){for(var n=e.entries(),r=n.next(),o=[];!r.done;){var i=new RegExp(r.value[0]);i.test(t)&&o.push(r.value[1]),r=n.next()}return o},s=function(){this.routes=new Map,this.routes.set(RegExp,new Map),this.default=null};["get","post","put","delete","head","any"].forEach(function(e){s.prototype[e]=function(t,n,r){return this.add(e,t,n,r)}}),s.prototype.add=function(e,t,n,c){c=c||{};var s;t instanceof RegExp?s=RegExp:(s=c.origin||self.location.origin,s=s instanceof RegExp?s.source:r(s)),e=e.toLowerCase();var a=new o(e,t,n,c);this.routes.has(s)||this.routes.set(s,new Map);var u=this.routes.get(s);u.has(e)||u.set(e,new Map);var f=u.get(e),h=a.regexp||a.fullUrlRegExp;f.has(h.source)&&i.debug('"'+t+'" resolves to same regex as existing route.'),f.set(h.source,a)},s.prototype.matchMethod=function(e,t){var n=new URL(t),r=n.origin,o=n.pathname;return this._match(e,c(this.routes,r),o)||this._match(e,[this.routes.get(RegExp)],t)},s.prototype._match=function(e,t,n){if(0===t.length)return null;for(var r=0;r<t.length;r++){var o=t[r],i=o&&o.get(e.toLowerCase());if(i){var s=c(i,n);if(s.length>0)return s[0].makeHandler(n)}}return null},s.prototype.match=function(e){return this.matchMethod(e.method,e.url)||this.matchMethod("any",e.url)},t.exports=new s},{"./helpers":1,"./route":5}],7:[function(e,t,n){"use strict";function r(e,t,n){return o.debug("Strategy: cache first ["+e.url+"]",n),o.openCache(n).then(function(t){return t.match(e).then(function(t){return t?t:o.fetchAndCache(e,n)})})}var o=e("../helpers");t.exports=r},{"../helpers":1}],8:[function(e,t,n){"use strict";function r(e,t,n){return o.debug("Strategy: cache only ["+e.url+"]",n),o.openCache(n).then(function(t){return t.match(e)})}var o=e("../helpers");t.exports=r},{"../helpers":1}],9:[function(e,t,n){"use strict";function r(e,t,n){return o.debug("Strategy: fastest ["+e.url+"]",n),new Promise(function(r,c){var s=!1,a=[],u=function(e){a.push(e.toString()),s?c(new Error('Both cache and network failed: "'+a.join('", "')+'"')):s=!0},f=function(e){e instanceof Response?r(e):u("No result returned")};o.fetchAndCache(e.clone(),n).then(f,u),i(e,t,n).then(f,u)})}var o=e("../helpers"),i=e("./cacheOnly");t.exports=r},{"../helpers":1,"./cacheOnly":8}],10:[function(e,t,n){t.exports={networkOnly:e("./networkOnly"),networkFirst:e("./networkFirst"),cacheOnly:e("./cacheOnly"),cacheFirst:e("./cacheFirst"),fastest:e("./fastest")}},{"./cacheFirst":7,"./cacheOnly":8,"./fastest":9,"./networkFirst":11,"./networkOnly":12}],11:[function(e,t,n){"use strict";function r(e,t,n){n=n||{};var r=n.successResponses||o.successResponses,c=n.networkTimeoutSeconds||o.networkTimeoutSeconds;return i.debug("Strategy: network first ["+e.url+"]",n),i.openCache(n).then(function(t){var o,s,a=[];if(c){var u=new Promise(function(n){o=setTimeout(function(){t.match(e).then(function(e){e&&n(e)})},1e3*c)});a.push(u)}var f=i.fetchAndCache(e,n).then(function(e){if(o&&clearTimeout(o),r.test(e.status))return e;throw i.debug("Response was an HTTP error: "+e.statusText,n),s=e,new Error("Bad response")}).catch(function(r){return i.debug("Network or response error, fallback to cache ["+e.url+"]",n),t.match(e).then(function(e){if(e)return e;if(s)return s;throw r})});return a.push(f),Promise.race(a)})}var o=e("../options"),i=e("../helpers");t.exports=r},{"../helpers":1,"../options":4}],12:[function(e,t,n){"use strict";function r(e,t,n){return o.debug("Strategy: network only ["+e.url+"]",n),fetch(e)}var o=e("../helpers");t.exports=r},{"../helpers":1}],13:[function(e,t,n){"use strict";var r=e("./options"),o=e("./router"),i=e("./helpers"),c=e("./strategies"),s=e("./listeners");i.debug("Service Worker Toolbox is loading"),self.addEventListener("install",s.installListener),self.addEventListener("activate",s.activateListener),self.addEventListener("fetch",s.fetchListener),t.exports={networkOnly:c.networkOnly,networkFirst:c.networkFirst,cacheOnly:c.cacheOnly,cacheFirst:c.cacheFirst,fastest:c.fastest,router:o,options:r,cache:i.cache,uncache:i.uncache,precache:i.precache}},{"./helpers":1,"./listeners":3,"./options":4,"./router":6,"./strategies":10}],14:[function(e,t,n){t.exports=Array.isArray||function(e){return"[object Array]"==Object.prototype.toString.call(e)}},{}],15:[function(e,t,n){function r(e){for(var t,n=[],r=0,o=0,i="";null!=(t=x.exec(e));){var c=t[0],s=t[1],a=t.index;if(i+=e.slice(o,a),o=a+c.length,s)i+=s[1];else{var f=e[o],h=t[2],p=t[3],l=t[4],d=t[5],g=t[6],m=t[7];i&&(n.push(i),i="");var v=null!=h&&null!=f&&f!==h,w="+"===g||"*"===g,y="?"===g||"*"===g,b=t[2]||"/",E=l||d||(m?".*":"[^"+b+"]+?");n.push({name:p||r++,prefix:h||"",delimiter:b,optional:y,repeat:w,partial:v,asterisk:!!m,pattern:u(E)})}}return o<e.length&&(i+=e.substr(o)),i&&n.push(i),n}function o(e){return s(r(e))}function i(e){return encodeURI(e).replace(/[\/?#]/g,function(e){return"%"+e.charCodeAt(0).toString(16).toUpperCase()})}function c(e){return encodeURI(e).replace(/[?#]/g,function(e){return"%"+e.charCodeAt(0).toString(16).toUpperCase()})}function s(e){for(var t=new Array(e.length),n=0;n<e.length;n++)"object"==typeof e[n]&&(t[n]=new RegExp("^(?:"+e[n].pattern+")$"));return function(n,r){for(var o="",s=n||{},a=r||{},u=a.pretty?i:encodeURIComponent,f=0;f<e.length;f++){var h=e[f];if("string"!=typeof h){var p,l=s[h.name];if(null==l){if(h.optional){h.partial&&(o+=h.prefix);continue}throw new TypeError('Expected "'+h.name+'" to be defined')}if(v(l)){if(!h.repeat)throw new TypeError('Expected "'+h.name+'" to not repeat, but received `'+JSON.stringify(l)+"`");if(0===l.length){if(h.optional)continue;throw new TypeError('Expected "'+h.name+'" to not be empty')}for(var d=0;d<l.length;d++){if(p=u(l[d]),!t[f].test(p))throw new TypeError('Expected all "'+h.name+'" to match "'+h.pattern+'", but received `'+JSON.stringify(p)+"`");o+=(0===d?h.prefix:h.delimiter)+p}}else{if(p=h.asterisk?c(l):u(l),!t[f].test(p))throw new TypeError('Expected "'+h.name+'" to match "'+h.pattern+'", but received "'+p+'"');o+=h.prefix+p}}else o+=h}return o}}function a(e){return e.replace(/([.+*?=^!:${}()[\]|\/\\])/g,"\\$1")}function u(e){return e.replace(/([=!:$\/()])/g,"\\$1")}function f(e,t){return e.keys=t,e}function h(e){return e.sensitive?"":"i"}function p(e,t){var n=e.source.match(/\((?!\?)/g);if(n)for(var r=0;r<n.length;r++)t.push({name:r,prefix:null,delimiter:null,optional:!1,repeat:!1,partial:!1,asterisk:!1,pattern:null});return f(e,t)}function l(e,t,n){for(var r=[],o=0;o<e.length;o++)r.push(m(e[o],t,n).source);var i=new RegExp("(?:"+r.join("|")+")",h(n));return f(i,t)}function d(e,t,n){for(var o=r(e),i=g(o,n),c=0;c<o.length;c++)"string"!=typeof o[c]&&t.push(o[c]);return f(i,t)}function g(e,t){t=t||{};for(var n=t.strict,r=t.end!==!1,o="",i=e[e.length-1],c="string"==typeof i&&/\/$/.test(i),s=0;s<e.length;s++){var u=e[s];if("string"==typeof u)o+=a(u);else{var f=a(u.prefix),p="(?:"+u.pattern+")";u.repeat&&(p+="(?:"+f+p+")*"),p=u.optional?u.partial?f+"("+p+")?":"(?:"+f+"("+p+"))?":f+"("+p+")",o+=p}}return n||(o=(c?o.slice(0,-2):o)+"(?:\\/(?=$))?"),o+=r?"$":n&&c?"":"(?=\\/|$)",new RegExp("^"+o,h(t))}function m(e,t,n){return t=t||[],v(t)?n||(n={}):(n=t,t=[]),e instanceof RegExp?p(e,t):v(e)?l(e,t,n):d(e,t,n)}var v=e("isarray");t.exports=m,t.exports.parse=r,t.exports.compile=o,t.exports.tokensToFunction=s,t.exports.tokensToRegExp=g;var x=new RegExp(["(\\\\.)","([\\/.])?(?:(?:\\:(\\w+)(?:\\(((?:\\\\.|[^\\\\()])+)\\))?|\\(((?:\\\\.|[^\\\\()])+)\\))([+*?])?|(\\*))"].join("|"),"g")},{isarray:14}],16:[function(e,t,n){!function(){var e=Cache.prototype.addAll,t=navigator.userAgent.match(/(Firefox|Chrome)\/(\d+\.)/);if(t)var n=t[1],r=parseInt(t[2]);e&&(!t||"Firefox"===n&&r>=46||"Chrome"===n&&r>=50)||(Cache.prototype.addAll=function(e){function t(e){this.name="NetworkError",this.code=19,this.message=e}var n=this;return t.prototype=Object.create(Error.prototype),Promise.resolve().then(function(){if(arguments.length<1)throw new TypeError;return e=e.map(function(e){return e instanceof Request?e:String(e)}),Promise.all(e.map(function(e){"string"==typeof e&&(e=new Request(e));var n=new URL(e.url).protocol;if("http:"!==n&&"https:"!==n)throw new t("Invalid scheme");return fetch(e.clone())}))}).then(function(r){if(r.some(function(e){return!e.ok}))throw new t("Incorrect response status");return Promise.all(r.map(function(t,r){return n.put(e[r],t)}))}).then(function(){})},Cache.prototype.add=function(e){return this.addAll([e])})}()},{}]},{},[13])(13)});


  // Turn on debug logging, visible in the Developer Tools' console.
  global.toolbox.options.debug = false;

  // Set up a handler for HTTP GET requests:
  // - /\.ytimg\.com\// will match any requests whose URL contains 'ytimg.com'.
  //   A narrower RegExp could be used, but just checking for ytimg.com anywhere
  //   in the URL should be fine for this sample.
  // - toolbox.cacheFirst let us to use the predefined cache strategy for those
  //   requests.
  // global.toolbox.router.get(/\.(cloudflare)|(googleapis)\.com\//, global.toolbox.cacheFirst, {
  //   // Use a dedicated cache for the responses, separate from the default cache.
  //   cache: {
  //     name: 'cdnjs',
  //     // Expire any entries that are older than 30 seconds.
  //     maxAgeSeconds: 60 * 60 * 100
  //   }
  // });

  global.toolbox.router.get(/127\.0\.0\.1/, global.toolbox.networkOnly, {});
  global.toolbox.router.get('/', global.toolbox.networkFirst, {});
  global.toolbox.router.get(/(draft)|(page)|(index)/, global.toolbox.networkFirst, {});
  global.toolbox.router.get(/(api)|(web)|(page)\.rweekly\.org\//, global.toolbox.networkOnly, {});
  global.toolbox.router.get(/live\.rweekly\.org\//, global.toolbox.networkFirst, {});

  global.toolbox.precache(['/live', '/about',"/page2/index.html", "/archive"]);
  global.toolbox.options.cache.maxAgeSeconds = 60 * 60 * 24 * 10;

  // Request the resource from both the cache and the network in parallel.
  // Respond with whichever returns first. Usually this will be the cached
  // version, if there is one. On the one hand this strategy will always make a
  // network request, even if the resource is cached. On the other hand,
  // if/when the network request completes the cache is updated, so that future
  // cache reads will be more up-to-date.
  global.toolbox.router.default = global.toolbox.networkFirst;

  // Boilerplate to ensure our service worker takes control of the page as soon
  // as possible.
  global.addEventListener('install',
      event => event.waitUntil(global.skipWaiting()));
  global.addEventListener('activate',
      event => event.waitUntil(global.clients.claim()));
})(self);