Use embed package for Javascript bundles instead of generated files

cli/cli.go

@@ -113,7 +113,11 @@ func Parse() {
 	}
 
 	if err := static.GenerateStylesheetsBundles(); err != nil {
-		logger.Fatal("Unable to generate stylesheet bundles: %v", err)
+		logger.Fatal("Unable to generate Stylesheet bundles: %v", err)
+	}
+
+	if err := static.GenerateJavascriptBundles(); err != nil {
+		logger.Fatal("Unable to generate Javascript bundles: %v", err)
 	}
 
 	db, err := database.NewConnectionPool(

generate.go

@@ -14,9 +14,6 @@ import (
 	"path/filepath"
 	"strings"
 	"text/template"
-
-	"github.com/tdewolff/minify/v2"
-	"github.com/tdewolff/minify/v2/js"
 )
 
 const tpl = `// Code generated by go generate; DO NOT EDIT.
@@ -94,44 +91,6 @@ func glob(pattern string) []string {
 	return files
 }
 
-func concat(files []string) string {
-	var b strings.Builder
-	for _, file := range files {
-		b.Write(readFile(file))
-	}
-	return b.String()
-}
-
-func generateJSBundle(bundleFile string, bundleFiles map[string][]string, prefixes, suffixes map[string]string) {
-	bundle := NewBundle("static", "Javascripts", "ui/static")
-	m := minify.New()
-	m.AddFunc("text/javascript", js.Minify)
-
-	for name, srcFiles := range bundleFiles {
-		var b strings.Builder
-
-		if prefix, found := prefixes[name]; found {
-			b.WriteString(prefix)
-		}
-
-		b.WriteString(concat(srcFiles))
-
-		if suffix, found := suffixes[name]; found {
-			b.WriteString(suffix)
-		}
-
-		minifiedData, err := m.String("text/javascript", b.String())
-		if err != nil {
-			panic(err)
-		}
-
-		bundle.Files[name] = minifiedData
-		bundle.Checksums[name] = checksum([]byte(minifiedData))
-	}
-
-	bundle.Write(bundleFile)
-}
-
 func generateBundle(bundleFile, pkg, mapName string, srcFiles []string) {
 	bundle := NewBundle(pkg, mapName, pkg)
 
@@ -147,26 +106,6 @@ func generateBundle(bundleFile, pkg, mapName string, srcFiles []string) {
 }
 
 func main() {
-	generateJSBundle("ui/static/js.go", map[string][]string{
-		"app": []string{
-			"ui/static/js/dom_helper.js",
-			"ui/static/js/touch_handler.js",
-			"ui/static/js/keyboard_handler.js",
-			"ui/static/js/request_builder.js",
-			"ui/static/js/modal_handler.js",
-			"ui/static/js/app.js",
-			"ui/static/js/bootstrap.js",
-		},
-		"service-worker": []string{
-			"ui/static/js/service_worker.js",
-		},
-	}, map[string]string{
-		"app": "(function(){'use strict';",
-		"sw":  "'use strict';",
-	}, map[string]string{
-		"app": "})();",
-	})
-
 	generateBundle("template/views.go", "template", "templateViewsMap", glob("template/html/*.html"))
 	generateBundle("template/common.go", "template", "templateCommonMap", glob("template/html/common/*.html"))
 }

go.mod

@@ -15,7 +15,6 @@ require (
 	github.com/rylans/getlang v0.0.0-20200505200108-4c3188ff8a2d
 	github.com/stretchr/testify v1.6.1 // indirect
 	github.com/tdewolff/minify/v2 v2.9.13
-	github.com/tdewolff/parse v2.3.4+incompatible // indirect
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
 	golang.org/x/net v0.0.0-20201029221708-28c70e62bb1d
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d

go.sum

@@ -63,7 +63,6 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:ma
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -79,7 +78,6 @@ github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4s
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/felixge/httpsnoop v1.0.0 h1:gh8fMGz0rlOv/1WmRZm7OgncIOTsAj21iNJot48omJQ=
 github.com/felixge/httpsnoop v1.0.0/go.mod h1:3+D9sFq0ahK/JeJPhCBUV1xlf4/eIYrUQaxulT0VzX8=
 github.com/felixge/httpsnoop v1.0.1 h1:lvB5Jl89CsZtGIWuTcDM1E/vkVs49/Ml7JJe07l8SPQ=
 github.com/felixge/httpsnoop v1.0.1/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
@@ -104,7 +102,6 @@ github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFG
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
-github.com/golang/gddo v0.0.0-20180823221919-9d8ff1c67be5 h1:yrv1uUvgXH/tEat+wdvJMRJ4g51GlIydtDpU9pFjaaI=
 github.com/golang/gddo v0.0.0-20180823221919-9d8ff1c67be5/go.mod h1:xEhNfoBDX1hzLm2Nf80qUvZ2sVwoMZ8d6IE2SrsQfh4=
 github.com/golang/gddo v0.0.0-20200831202555-721e228c7686 h1:5vu7C+63KTbsSNnLhrgB98Sqy8MNVSW8FdhkcWA/3Rk=
 github.com/golang/gddo v0.0.0-20200831202555-721e228c7686/go.mod h1:sam69Hju0uq+5uvLJUMDlsKlQ21Vrs1Kd/1YFPNYdOU=
@@ -114,7 +111,6 @@ github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4er
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/lint v0.0.0-20170918230701-e5d664eb928e/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -122,10 +118,8 @@ github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi
 github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
 github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
 github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
-github.com/golang/protobuf v1.4.0 h1:oOuy+ugB+P/kBdUnG5QaMXSIyJ1q38wWSojYCb3z5VQ=
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
-github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
 github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
@@ -137,7 +131,6 @@ github.com/google/go-cmp v0.1.1-0.20171103154506-982329095285/go.mod h1:oXzfMopK
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
@@ -205,12 +198,9 @@ github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+o
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pretty v0.2.0 h1:s5hAObm+yFO5uHYt5dYjxi2rXrsnmRpJx4OYvIWUaQs=
 github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/lib/pq v1.9.0 h1:L8nSXQQzAYByakOFMTwpjRoHsMJklur4Gi59b6VivR8=
 github.com/lib/pq v1.9.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
@@ -298,7 +288,6 @@ github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829/go.mod
 github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDft0ttaMvbicHlPoso=
 github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
 github.com/prometheus/client_golang v1.3.0/go.mod h1:hJaj2vgQTGQmVCsAACORcieXFeDPbaTKGT+JTgUa3og=
-github.com/prometheus/client_golang v1.7.1 h1:NTGy1Ja9pByO+xAeH/qiWnLrKtr3hJPNjaVUwnjpdpA=
 github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
 github.com/prometheus/client_golang v1.9.0 h1:Rrch9mh17XcxvEu9D9DEpb4isxjGBtcevQjKvxPRQIU=
 github.com/prometheus/client_golang v1.9.0/go.mod h1:FqZLKOZnGdFAhOK4nqGHa7D66IdsO+O441Eve7ptJDU=
@@ -314,7 +303,6 @@ github.com/prometheus/common v0.2.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y8
 github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.7.0/go.mod h1:DjGbpBbp5NYNiECxcL/VnbXCCaQpKd3tt26CguLLsqA=
-github.com/prometheus/common v0.10.0 h1:RyRA7RzGXQZiW+tGMr7sxa85G1z0yOpM1qq5c8lNawc=
 github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
 github.com/prometheus/common v0.15.0 h1:4fgOnadei3EZvgRwxJ7RMpG1k1pOZth5Pc13tyspaKM=
 github.com/prometheus/common v0.15.0/go.mod h1:U+gB1OBLb1lF3O42bTCL+FK18tX9Oar16Clt/msog/s=
@@ -323,7 +311,6 @@ github.com/prometheus/procfs v0.0.0-20190117184657-bf6a532e95b1/go.mod h1:c3At6R
 github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
-github.com/prometheus/procfs v0.1.3 h1:F0+tqvhOksq22sc6iCHF5WGlWjdwj92p0udFh1VFBS8=
 github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
 github.com/prometheus/procfs v0.2.0 h1:wH4vA7pcjKuZzjF7lM8awk4fnuJO6idemZXoKnULUx4=
 github.com/prometheus/procfs v0.2.0/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
@@ -376,17 +363,8 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/tdewolff/minify v1.1.0 h1:nxHQi1ML+g3ZbZHffiZ6eC7vMqNvSRfX3KB5Y5y/kfw=
-github.com/tdewolff/minify v2.3.6+incompatible h1:2hw5/9ZvxhWLvBUnHE06gElGYz+Jv9R4Eys0XUzItYo=
-github.com/tdewolff/minify v2.3.6+incompatible/go.mod h1:9Ov578KJUmAWpS6NeZwRZyT56Uf6o3Mcz9CEsg8USYs=
-github.com/tdewolff/minify/v2 v2.9.11 h1:8o6hclGwxm6MNwTPHabvdND5SghhHs0bn+3/+uAf0yQ=
-github.com/tdewolff/minify/v2 v2.9.11/go.mod h1:YZk0lGOc6CvQrqvm5f7V3ihaq3QUd9acS4HESdVDOaM=
 github.com/tdewolff/minify/v2 v2.9.13 h1:RrwQhgGoYBhKN/ezStGB+crU64wPK1ZE5Jmkl63lif0=
 github.com/tdewolff/minify/v2 v2.9.13/go.mod h1:faNOp+awAoo+fhFHD+NAkBOaXBAvJI2X2SDERGKnARo=
-github.com/tdewolff/parse v2.3.4+incompatible h1:x05/cnGwIMf4ceLuDMBOdQ1qGniMoxpP46ghf0Qzh38=
-github.com/tdewolff/parse v2.3.4+incompatible/go.mod h1:8oBwCsVmUkgHO8M5iCzSIDtpzXOT0WXX9cWhz+bIzJQ=
-github.com/tdewolff/parse/v2 v2.5.8 h1:vutkOO9Xi3DehIzCLHqvMM2hFXo54S0iDvIG/hYznnE=
-github.com/tdewolff/parse/v2 v2.5.8/go.mod h1:WzaJpRSbwq++EIQHYIRTpbYKNA3gn9it1Ik++q4zyho=
 github.com/tdewolff/parse/v2 v2.5.10 h1:vj35n+ljq8LuYUx436s4qB18wuwP7thrLv+t1syE39M=
 github.com/tdewolff/parse/v2 v2.5.10/go.mod h1:WzaJpRSbwq++EIQHYIRTpbYKNA3gn9it1Ik++q4zyho=
 github.com/tdewolff/test v1.0.6 h1:76mzYJQ83Op284kMT+63iCNCI7NEERsIN8dLM+RiKr4=
@@ -451,7 +429,6 @@ golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200625001655-4c5254603344 h1:vGXIOMxbNfDTk/aXCmfdLgkrSV+Z2tcbze+pEc3v5W4=
 golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20201029221708-28c70e62bb1d h1:dOiJ2n2cMwGLce/74I/QHMbnpk5GfY7InR8rczoMqRM=
 golang.org/x/net v0.0.0-20201029221708-28c70e62bb1d/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
@@ -497,7 +474,6 @@ golang.org/x/sys v0.0.0-20201009025420-dfb3f7c4e634/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e h1:AyodaIpKjppX+cBfTASF2E1US3H2JFBj920Ot3rtDjs=
 golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -562,7 +538,6 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=

main.go

@@ -5,7 +5,6 @@
 package main // import "miniflux.app"
 
 //go:generate go run generate.go
-//go:generate gofmt -s -w ui/static/js.go
 //go:generate gofmt -s -w template/views.go
 //go:generate gofmt -s -w template/common.go
 

ui/static/static.go

@@ -12,12 +12,15 @@ import (
 
 	"github.com/tdewolff/minify/v2"
 	"github.com/tdewolff/minify/v2/css"
+	"github.com/tdewolff/minify/v2/js"
 )
 
 // Static assets.
 var (
 	StylesheetBundleChecksums map[string]string
 	StylesheetBundles         map[string][]byte
+	JavascriptBundleChecksums map[string]string
+	JavascriptBundles         map[string][]byte
 )
 
 //go:embed bin/*
@@ -26,6 +29,9 @@ var binaryFiles embed.FS
 //go:embed css/*.css
 var stylesheetFiles embed.FS
 
+//go:embed js/*.js
+var javascriptFiles embed.FS
+
 var binaryFileChecksums map[string]string
 
 // CalculateBinaryFileChecksums generates hash of embed binary files.
@@ -102,3 +108,67 @@ func GenerateStylesheetsBundles() error {
 
 	return nil
 }
+
+// GenerateJavascriptBundles creates JS bundles.
+func GenerateJavascriptBundles() error {
+	var bundles = map[string][]string{
+		"app": {
+			"js/dom_helper.js",
+			"js/touch_handler.js",
+			"js/keyboard_handler.js",
+			"js/request_builder.js",
+			"js/modal_handler.js",
+			"js/app.js",
+			"js/bootstrap.js",
+		},
+		"service-worker": {
+			"js/service_worker.js",
+		},
+	}
+
+	var prefixes = map[string]string{
+		"app":            "(function(){'use strict';",
+		"service-worker": "'use strict';",
+	}
+
+	var suffixes = map[string]string{
+		"app": "})();",
+	}
+
+	JavascriptBundles = make(map[string][]byte)
+	JavascriptBundleChecksums = make(map[string]string)
+
+	minifier := minify.New()
+	minifier.AddFunc("text/javascript", js.Minify)
+
+	for bundle, srcFiles := range bundles {
+		var buffer bytes.Buffer
+
+		if prefix, found := prefixes[bundle]; found {
+			buffer.WriteString(prefix)
+		}
+
+		for _, srcFile := range srcFiles {
+			fileData, err := javascriptFiles.ReadFile(srcFile)
+			if err != nil {
+				return err
+			}
+
+			buffer.Write(fileData)
+		}
+
+		if suffix, found := suffixes[bundle]; found {
+			buffer.WriteString(suffix)
+		}
+
+		minifiedData, err := minifier.Bytes("text/javascript", buffer.Bytes())
+		if err != nil {
+			return err
+		}
+
+		JavascriptBundles[bundle] = minifiedData
+		JavascriptBundleChecksums[bundle] = fmt.Sprintf("%x", sha256.Sum256(minifiedData))
+	}
+
+	return nil
+}

ui/static_javascript.go

@@ -16,7 +16,7 @@ import (
 
 func (h *handler) showJavascript(w http.ResponseWriter, r *http.Request) {
 	filename := request.RouteStringParam(r, "name")
-	etag, found := static.JavascriptsChecksums[filename]
+	etag, found := static.JavascriptBundleChecksums[filename]
 	if !found {
 		html.NotFound(w, r)
 		return
@@ -24,7 +24,7 @@ func (h *handler) showJavascript(w http.ResponseWriter, r *http.Request) {
 
 	response.New(w, r).WithCaching(etag, 48*time.Hour, func(b *response.Builder) {
 		b.WithHeader("Content-Type", "text/javascript; charset=utf-8")
-		b.WithBody(static.Javascripts[filename])
+		b.WithBody(static.JavascriptBundles[filename])
 		b.Write()
 	})
 }

ui/view/view.go

@@ -41,7 +41,7 @@ func New(tpl *template.Engine, r *http.Request, sess *session.Session) *View {
 	b.params["flashErrorMessage"] = sess.FlashErrorMessage(request.FlashErrorMessage(r))
 	b.params["theme"] = theme
 	b.params["theme_checksum"] = static.StylesheetBundleChecksums[theme]
-	b.params["app_js_checksum"] = static.JavascriptsChecksums["app"]
-	b.params["sw_js_checksum"] = static.JavascriptsChecksums["service-worker"]
+	b.params["app_js_checksum"] = static.JavascriptBundleChecksums["app"]
+	b.params["sw_js_checksum"] = static.JavascriptBundleChecksums["service-worker"]
 	return b
 }