From 0a97bef2471ca12d134c18ede8bd39df77068e90 Mon Sep 17 00:00:00 2001
From: Marcus Noble <github@marcusnoble.co.uk>
Date: Sun, 8 Nov 2020 19:24:55 +0000
Subject: [PATCH] Added initial PWA work

---
 views/index.html           | 11 +++++++++++
 views/manifest.json        | 13 +++++++++++++
 views/static/sw-toolbox.js | 16 ++++++++++++++++
 views/sw.js                |  1 +
 4 files changed, 41 insertions(+)
 create mode 100644 views/manifest.json
 create mode 100644 views/static/sw-toolbox.js
 create mode 100644 views/sw.js

diff --git a/views/index.html b/views/index.html
index a585b13..bd5a8dd 100644
--- a/views/index.html
+++ b/views/index.html
@@ -4,6 +4,17 @@
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>Gopherss</title>
+
+		<meta name="apple-mobile-web-app-capable" content="yes">
+		<!-- <link rel="apple-touch-icon" href="static/icon.png"> -->
+		<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
+    <link rel="manifest" href="/manifest.json">
+		<script>
+			if ('serviceWorker' in navigator) {
+				navigator.serviceWorker.register('/sw.js');
+			}
+    </script>
+
     <script src="/static/feed-item.js" defer></script>
 
     <script src="https://unpkg.com/vue@2.5.17/dist/vue.min.js"></script>
diff --git a/views/manifest.json b/views/manifest.json
new file mode 100644
index 0000000..a4e2742
--- /dev/null
+++ b/views/manifest.json
@@ -0,0 +1,13 @@
+{
+  "name": "Gopherss",
+  "short_name": "Gopherss",
+  "description": "RSS reader built in Go",
+  "theme_color": "#282626",
+  "background_color": "#282626",
+  "display": "standalone",
+  "scope": "/",
+  "start_url": "/",
+  "icons": [
+  ],
+  "splash_pages": null
+}
diff --git a/views/static/sw-toolbox.js b/views/static/sw-toolbox.js
new file mode 100644
index 0000000..dacb855
--- /dev/null
+++ b/views/static/sw-toolbox.js
@@ -0,0 +1,16 @@
+/*
+ Copyright 2016 Google Inc. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/!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||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||{},(t.debug||m.debug)&&console.log("[sw-toolbox] "+e)}function o(e){var t;return e&&e.cache&&(t=e.cache.name),t=t||m.cache.name,caches.open(t)}function i(e,t){t=t||{};var n=t.successResponses||m.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||m.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);d=d?d.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),m.preCacheItems=m.preCacheItems.concat(e)}function p(e){var t=Array.isArray(e);if(t&&e.forEach(function(e){"string"==typeof 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i=e.transaction(h,"readwrite");i.objectStore(h).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);a.index(l).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,queryOptions: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 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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){n=n||{};var r=n.cache||o.cache,c=r.queryOptions;return i.debug("Strategy: cache first ["+e.url+"]",n),i.openCache(n).then(function(t){return t.match(e,c).then(function(t){var o=Date.now();return i.isResponseFresh(t,r.maxAgeSeconds,o)?t:i.fetchAndCache(e,n)})})}var o=e("../options"),i=e("../helpers");t.exports=r},{"../helpers":1,"../options":4}],8:[function(e,t,n){"use strict";function r(e,t,n){n=n||{};var r=n.cache||o.cache,c=r.queryOptions;return i.debug("Strategy: cache only ["+e.url+"]",n),i.openCache(n).then(function(t){return t.match(e,c).then(function(e){var t=Date.now();if(i.isResponseFresh(e,r.maxAgeSeconds,t))return e})})}var o=e("../options"),i=e("../helpers");t.exports=r},{"../helpers":1,"../options":4}],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.cache||o.cache,c=r.queryOptions,s=n.successResponses||o.successResponses,a=n.networkTimeoutSeconds||o.networkTimeoutSeconds;return i.debug("Strategy: network first ["+e.url+"]",n),i.openCache(n).then(function(t){var o,u,f=[];if(a){var h=new Promise(function(n){o=setTimeout(function(){t.match(e,c).then(function(e){var t=Date.now(),o=r.maxAgeSeconds;i.isResponseFresh(e,o,t)&&n(e)})},1e3*a)});f.push(h)}var p=i.fetchAndCache(e,n).then(function(e){if(o&&clearTimeout(o),s.test(e.status))return e;throw i.debug("Response was an HTTP error: "+e.statusText,n),u=e,new Error("Bad 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r=[],o=0;o<e.length;o++)r.push(g(e[o],t,n).source);return f(new RegExp("(?:"+r.join("|")+")",h(n)),t)}function d(e,t,n){return m(r(e,n),t,n)}function m(e,t,n){v(t)||(n=t||n,t=[]),n=n||{};for(var r=n.strict,o=!1!==n.end,i="",c=0;c<e.length;c++){var s=e[c];if("string"==typeof s)i+=a(s);else{var u=a(s.prefix),p="(?:"+s.pattern+")";t.push(s),s.repeat&&(p+="(?:"+u+p+")*"),p=s.optional?s.partial?u+"("+p+")?":"(?:"+u+"("+p+"))?":u+"("+p+")",i+=p}}var l=a(n.delimiter||"/"),d=i.slice(-l.length)===l;return r||(i=(d?i.slice(0,-l.length):i)+"(?:"+l+"(?=$))?"),i+=o?"$":r&&d?"":"(?="+l+"|$)",f(new RegExp("^"+i,h(n)),t)}function g(e,t,n){return v(t)||(n=t||n,t=[]),n=n||{},e instanceof RegExp?p(e,t):v(e)?l(e,t,n):d(e,t,n)}var v=e("isarray");t.exports=g,t.exports.parse=r,t.exports.compile=o,t.exports.tokensToFunction=s,t.exports.tokensToRegExp=m;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)});
+//# sourceMappingURL=sw-toolbox.js.map
diff --git a/views/sw.js b/views/sw.js
new file mode 100644
index 0000000..4e1fd7b
--- /dev/null
+++ b/views/sw.js
@@ -0,0 +1 @@
+importScripts('/static/sw-toolbox.js');