Create Progressive Web App (#4730)
* Create manifest and serviceworker
* Create templates and add AppSubUrl
* Add JSRenderer
* fix ctx type
* Add JSRenderer to static.go
* Complete adding {{AppSubUrl}}
* Add more fonts to urlsToCache
* Add 512px and 192px icons
* Hardcode font MD5
* Default theme doesn't have a specific CSS file
			
			
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			@ -347,6 +347,8 @@ update-translations:
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generate-images:
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	mkdir -p $(TMPDIR)/images
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	inkscape -f $(PWD)/assets/logo.svg -w 880 -h 880 -e $(PWD)/public/img/gitea-lg.png
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	inkscape -f $(PWD)/assets/logo.svg -w 512 -h 512 -e $(PWD)/public/img/gitea-512.png
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	inkscape -f $(PWD)/assets/logo.svg -w 192 -h 192 -e $(PWD)/public/img/gitea-192.png
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	inkscape -f $(PWD)/assets/logo.svg -w 120 -h 120 -jC -i layer1 -e $(TMPDIR)/images/sm-1.png
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	inkscape -f $(PWD)/assets/logo.svg -w 120 -h 120 -jC -i layer2 -e $(TMPDIR)/images/sm-2.png
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	composite -compose atop $(TMPDIR)/images/sm-2.png $(TMPDIR)/images/sm-1.png $(PWD)/public/img/gitea-sm.png
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			@ -45,6 +45,18 @@ func JSONRenderer() macaron.Handler {
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	})
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}
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// JSRenderer implements the macaron handler for serving JS templates.
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func JSRenderer() macaron.Handler {
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	return macaron.Renderer(macaron.RenderOptions{
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		Funcs:     NewFuncMap(),
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		Directory: path.Join(setting.StaticRootPath, "templates"),
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		AppendDirectories: []string{
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			path.Join(setting.CustomPath, "templates"),
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		},
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		HTMLContentType: "application/javascript",
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	})
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}
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// Mailer provides the templates required for sending notification mails.
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func Mailer() *template.Template {
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	for _, funcs := range NewFuncMap() {
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			@ -129,6 +129,15 @@ func JSONRenderer() macaron.Handler {
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	})
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}
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// JSRenderer implements the macaron handler for serving JS templates.
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func JSRenderer() macaron.Handler {
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	return macaron.Renderer(macaron.RenderOptions{
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		Funcs:              NewFuncMap(),
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		TemplateFileSystem: NewTemplateFileSystem(),
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		HTMLContentType:    "application/javascript",
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	})
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}
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// Mailer provides the templates required for sending notification mails.
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func Mailer() *template.Template {
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	for _, funcs := range NewFuncMap() {
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								public/img/gitea-192.png
									
										
									
									
									
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		 After Width: | Height: | Size: 8.5 KiB  | 
							
								
								
									
										
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								public/img/gitea-512.png
									
										
									
									
									
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		 After Width: | Height: | Size: 25 KiB  | 
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			@ -791,6 +791,15 @@ func RegisterRoutes(m *macaron.Macaron) {
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		}
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	})
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	// Progressive Web App
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	m.Get("/manifest.json", templates.JSONRenderer(), func(ctx *context.Context) {
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		ctx.HTML(200, "pwa/manifest_json")
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	})
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	m.Get("/serviceworker.js", templates.JSRenderer(), func(ctx *context.Context) {
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		ctx.HTML(200, "pwa/serviceworker_js")
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	})
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	// prometheus metrics endpoint
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	if setting.Metrics.Enabled {
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		c := metrics.NewCollector()
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			@ -5,6 +5,23 @@
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	<meta name="viewport" content="width=device-width, initial-scale=1">
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	<meta http-equiv="x-ua-compatible" content="ie=edge">
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	<title>{{if .Title}}{{.Title}} - {{end}}{{AppName}}</title>
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	<link rel="manifest" href="{{AppSubUrl}}/manifest.json">
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	<script>
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		if ('serviceWorker' in navigator) {
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  			window.addEventListener('load', function() {
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    			navigator.serviceWorker.register('{{AppSubUrl}}/serviceworker.js').then(function(registration) {
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      				// Registration was successful
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      				console.log('ServiceWorker registration successful with scope: ', registration.scope);
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				}, function(err) {
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					// registration failed :(
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      				console.log('ServiceWorker registration failed: ', err);
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    			});
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  			});
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		}
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	</script>
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	<meta name="theme-color" content="{{ThemeColorMetaTag}}">
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	<meta name="author" content="{{if .Repository}}{{.Owner.Name}}{{else}}{{MetaAuthor}}{{end}}" />
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	<meta name="description" content="{{if .Repository}}{{.Repository.Name}}{{if .Repository.Description}} - {{.Repository.Description}}{{end}}{{else}}{{MetaDescription}}{{end}}" />
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								templates/pwa/manifest_json.tmpl
									
										
									
									
									
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								templates/pwa/manifest_json.tmpl
									
										
									
									
									
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			@ -0,0 +1,31 @@
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{
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    "short_name": "Gitea",
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    "name": "Gitea - Git with a cup of tea",
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    "icons": [
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      {
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        "src": "{{AppSubUrl}}/img/gitea-lg.png",
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        "type": "image/png",
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        "sizes": "880x880"
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      },
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      {
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        "src": "{{AppSubUrl}}/img/gitea-sm.png",
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        "type": "image/png",
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        "sizes": "120x120"
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      },
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      {
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        "src": "{{AppSubUrl}}/img/gitea-512.png",
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        "type": "image/png",
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        "sizes": "512x512"
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      },
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      {
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        "src": "{{AppSubUrl}}/img/gitea-192.png",
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        "type": "image/png",
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        "sizes": "192x192"
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      }
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    ],
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    "start_url": "{{AppSubUrl}}/",
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    "scope": "{{AppSubUrl}}/",
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    "background_color": "#FAFAFA",
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    "display": "standalone",
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    "theme_color": "{{ThemeColorMetaTag}}"
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  }
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								templates/pwa/serviceworker_js.tmpl
									
										
									
									
									
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			@ -0,0 +1,72 @@
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var STATIC_CACHE = 'static-cache-v1';
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var urlsToCache = [
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  // js
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  '{{AppSubUrl}}/vendor/plugins/jquery.areyousure/jquery.are-you-sure.js',
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  '{{AppSubUrl}}/vendor/plugins/jquery/jquery.min.js',
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  '{{AppSubUrl}}/vendor/plugins/semantic/semantic.min.js',
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  '{{AppSubUrl}}/js/index.js?v={{MD5 AppVer}}',
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  '{{AppSubUrl}}/js/draw.js',
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  '{{AppSubUrl}}/vendor/plugins/clipboard/clipboard.min.js',
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  '{{AppSubUrl}}/vendor/plugins/gitgraph/gitgraph.js',
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  '{{AppSubUrl}}/vendor/plugins/vue/vue.min.js',
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  '{{AppSubUrl}}/vendor/plugins/emojify/emojify.min.js',
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  '{{AppSubUrl}}/vendor/plugins/cssrelpreload/loadCSS.min.js',
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  '{{AppSubUrl}}/vendor/plugins/cssrelpreload/cssrelpreload.min.js',
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  '{{AppSubUrl}}/vendor/plugins/dropzone/dropzone.js',
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  '{{AppSubUrl}}/vendor/plugins/highlight/highlight.pack.js',
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  '{{AppSubUrl}}/vendor/plugins/jquery.datetimepicker/jquery.datetimepicker.js',
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  '{{AppSubUrl}}/vendor/plugins/jquery.minicolors/jquery.minicolors.min.js',
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  '{{AppSubUrl}}/vendor/plugins/codemirror/addon/mode/loadmode.js',
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  '{{AppSubUrl}}/vendor/plugins/codemirror/mode/meta.js',
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  '{{AppSubUrl}}/vendor/plugins/simplemde/simplemde.min.js',
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  // css
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  '{{AppSubUrl}}/vendor/assets/font-awesome/css/font-awesome.min.css',
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  '{{AppSubUrl}}/vendor/assets/octicons/octicons.min.css',
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  '{{AppSubUrl}}/vendor/plugins/simplemde/simplemde.min.css',
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  '{{AppSubUrl}}/vendor/plugins/gitgraph/gitgraph.css',
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  '{{AppSubUrl}}/vendor/plugins/tribute/tribute.css',
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  '{{AppSubUrl}}/vendor/plugins/semantic/semantic.min.css',
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  '{{AppSubUrl}}/css/index.css?v={{MD5 AppVer}}',
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  '{{AppSubUrl}}/vendor/plugins/highlight/github.css',
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  '{{AppSubUrl}}/vendor/plugins/jquery.minicolors/jquery.minicolors.css',
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  '{{AppSubUrl}}/vendor/plugins/jquery.datetimepicker/jquery.datetimepicker.css',
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  '{{AppSubUrl}}/vendor/plugins/dropzone/dropzone.css',
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{{if ne DefaultTheme "gitea"}}
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  '{{AppSubUrl}}/css/theme-{{DefaultTheme}}.css',
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{{end}}
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  // img
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  '{{AppSubUrl}}/img/gitea-sm.png',
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  '{{AppSubUrl}}/img/gitea-lg.png',
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  // fonts
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  '{{AppSubUrl}}/vendor/plugins/semantic/themes/default/assets/fonts/icons.woff2',
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  '{{AppSubUrl}}/vendor/assets/octicons/octicons.woff2?ef21c39f0ca9b1b5116e5eb7ac5eabe6',
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  '{{AppSubUrl}}/vendor/assets/lato-fonts/lato-v14-latin-regular.woff2',
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  '{{AppSubUrl}}/vendor/assets/lato-fonts/lato-v14-latin-700.woff2'
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];
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self.addEventListener('install', function (event) {
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  // Perform install steps
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  event.waitUntil(
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    caches.open(STATIC_CACHE)
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      .then(function (cache) {
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        return cache.addAll(urlsToCache);
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      })
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  );
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});
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self.addEventListener('fetch', function (event) {
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  event.respondWith(
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    caches.match(event.request)
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      .then(function (response) {
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        // Cache hit - return response
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        if (response) {
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          return response;
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        }
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        return fetch(event.request);
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      }
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      )
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  );
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});
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