chore: move to go:embed, housekeeping

.github/workflows/go.yml

@@ -0,0 +1,26 @@
+
+name: Go
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.22'
+
+    - name: Build
+      run: go build -v .
+
+    - name: Test
+      run: go test -v .

go.mod

@@ -1,11 +1,19 @@
 module github.com/cdreier/slide-serve
 
-go 1.12
+go 1.22
 
 require (
 	github.com/alecthomas/chroma v0.7.1
 	github.com/fsnotify/fsnotify v1.4.9
 	github.com/gorilla/websocket v1.4.2
-	github.com/markbates/pkger v0.15.0
 	github.com/urfave/cli v1.22.3
 )
+
+require (
+	github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d // indirect
+	github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 // indirect
+	github.com/dlclark/regexp2 v1.1.6 // indirect
+	github.com/russross/blackfriday/v2 v2.0.1 // indirect
+	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
+	golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9 // indirect
+)

go.sum

@@ -13,23 +13,13 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:ma
 github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 h1:y5HC9v93H5EPKqaS1UYVg1uYah5Xf51mBfIoWehClUQ=
 github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964/go.mod h1:Xd9hchkHSWYkEqJwUGisez3G1QY8Ryz0sdWrLPMGjLk=
 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=
 github.com/dlclark/regexp2 v1.1.6 h1:CqB4MjHw0MFCDj+PHHjiESmHX+N7t0tJzKvC6M97BRg=
 github.com/dlclark/regexp2 v1.1.6/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
 github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/gobuffalo/here v0.6.0 h1:hYrd0a6gDmWxBM4TnrGw8mQg24iSVoIkHEk7FodQcBI=
-github.com/gobuffalo/here v0.6.0/go.mod h1:wAG085dHOYqUpf+Ap+WOdrPTp5IYcDAs/x7PLa8Y5fM=
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-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/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/markbates/pkger v0.15.0 h1:rSXoKLBWBgYG7j/h6Be7kggju23ie1Gx3/va9xl5aUw=
-github.com/markbates/pkger v0.15.0/go.mod h1:0JoVlrol20BSywW79rN3kdFFsE5xYM+rSCQDXbLhiuI=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.4 h1:bnP0vzxcAdeI1zdubAl5PjU6zsERjGZb7raWodagDYs=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
@@ -45,18 +35,11 @@ github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5I
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/urfave/cli v1.22.3 h1:FpNT6zq26xNpHZy08emi755QwzLPs6Pukqjlc7RfOMU=
 github.com/urfave/cli v1.22.3/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 golang.org/x/sys v0.0.0-20181128092732-4ed8d59d0b35/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9 h1:L2auWcuQIvxz9xSEqzESnV/QN/gNRXNApHi3fYwl2w0=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo=
-gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

main.go

@@ -7,15 +7,14 @@ import (
 	"fmt"
 	"html/template"
 	"io"
-	"io/ioutil"
 	"log"
 	"net/http"
 	"os"
 	"strconv"
 	"strings"
 
+	"github.com/cdreier/slide-serve/www"
 	"github.com/gorilla/websocket"
-	"github.com/markbates/pkger"
 	"github.com/urfave/cli"
 )
 
@@ -101,7 +100,7 @@ func main() {
 
 }
 func copyAllFileToFolderNotIncludeExtension(folder string, dest string, ext string) error {
-	files, err := ioutil.ReadDir(folder)
+	files, err := os.ReadDir(folder)
 	if err != nil {
 		return err
 	}
@@ -119,11 +118,11 @@ func copyAllFileToFolderNotIncludeExtension(folder string, dest string, ext stri
 }
 
 func copyFile(src, dest string) error {
-	data, err := ioutil.ReadFile(src)
+	data, err := os.ReadFile(src)
 	if err != nil {
 		log.Fatal(err)
 	}
-	return ioutil.WriteFile(dest, data, 0644)
+	return os.WriteFile(dest, data, 0644)
 }
 
 func export(c *cli.Context) error {
@@ -204,8 +203,7 @@ func run(c *cli.Context) error {
 	return http.ListenAndServe(":"+port, nil)
 }
 func (h *holder) handle(wr io.Writer, host string) {
-	slideFile, _ := pkger.Open("/www/slide.html")
-	t, _ := template.New("slide").Parse(mustFileToString(slideFile))
+	t, _ := template.New("slide").Parse(www.Slide)
 
 	slides := ""
 	styles := h.styles
@@ -226,15 +224,15 @@ func (h *holder) handle(wr io.Writer, host string) {
 
 	}
 
-	cssFile, _ := pkger.Open("/www/summaryStyle.css")
+	cssFile := www.StyleSummary
 	if h.pdfPrint {
-		cssFile, _ = pkger.Open("/www/pdfStyle.css")
+		cssFile = www.StylePDF
 	}
 
 	s := slideContent{
 		Slides:        template.HTML(slides),
 		Styles:        template.CSS(styles),
-		PrintStyle:    template.CSS(mustFileToString(cssFile)),
+		PrintStyle:    template.CSS(cssFile),
 		Title:         h.title,
 		SlideRatio:    h.slideRatio,
 		ClickListener: "",
@@ -271,8 +269,7 @@ func (h *holder) handle(wr io.Writer, host string) {
 	}
 
 	if h.dev {
-		devModeFile, _ := pkger.Open("/www/devMode.html")
-		js, _ := template.New("devmode").Parse(mustFileToString(devModeFile))
+		js, _ := template.New("devmode").Parse(www.DevMode)
 		var buf bytes.Buffer
 		data := make(map[string]string)
 		data["url"] = "ws://" + host + "/ws"
@@ -287,23 +284,10 @@ func (h *holder) handler(w http.ResponseWriter, r *http.Request) {
 	h.handle(w, r.Host)
 }
 
-func isDir(dir string) bool {
-	stat, _ := os.Stat(dir)
-	return stat.IsDir()
-}
-
 func dirExist(dir string) bool {
 	_, err := os.Stat(dir)
 	if err == nil {
 		return true
 	}
 	return !os.IsNotExist(err)
 }
-
-func mustFileToString(f http.File) string {
-	content, err := ioutil.ReadAll(f)
-	if err != nil {
-		log.Fatal("must read file to string failed: ", err.Error())
-	}
-	return string(content)
-}

parser.go

@@ -4,12 +4,9 @@ import (
 	"bufio"
 	"fmt"
 	"html/template"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
-
-	"github.com/markbates/pkger"
 )
 
 type slide struct {
@@ -45,31 +42,33 @@ func (h *holder) parse() {
 		// example presentation
 		fmt.Println("serving example presentation")
 
-		pkger.Walk("/example", func(path string, info os.FileInfo, err error) error {
+		// TODO remove pkger in favor of embed
 
-			if filepath.Base(path) == "styles.css" {
-				f, _ := pkger.Open(path)
-				h.styles += mustFileToString(f)
-			}
+		// pkger.Walk("/example", func(path string, info os.FileInfo, err error) error {
 
-			if filepath.Ext(path) == ".md" {
-				f, _ := pkger.Open(path)
-				h.generateSlides(mustFileToString(f))
-			}
+		// 	if filepath.Base(path) == "styles.css" {
+		// 		f, _ := pkger.Open(path)
+		// 		h.styles += mustFileToString(f)
+		// 	}
 
-			return nil
-		})
+		// 	if filepath.Ext(path) == ".md" {
+		// 		f, _ := pkger.Open(path)
+		// 		h.generateSlides(mustFileToString(f))
+		// 	}
+
+		// 	return nil
+		// })
 
 	} else {
 		// user presentation
 		h.slides = make([]slide, 0)
 		h.styles = ""
-		filepath.Walk(h.dir, func(path string, info os.FileInfo, err error) error {
+		filepath.Walk(h.dir, func(path string, info os.FileInfo, _ error) error {
 			if info == nil || info.IsDir() {
 				return nil
 			}
 			// reading all the files, check file ext before reading?
-			content, err := ioutil.ReadFile(path)
+			content, err := os.ReadFile(path)
 			if err != nil {
 				fmt.Println("cannot read... skipping ", path)
 				return nil
@@ -127,14 +126,14 @@ func (h *holder) generateSlides(content string) {
 				s.image = strings.Replace(tmp, "@img", "", -1)
 			} else if strings.HasPrefix(tmp, "@css") {
 				filename := strings.Replace(tmp, "@css", "", -1)
-				data, err := ioutil.ReadFile(h.dir + filename)
+				data, err := os.ReadFile(h.dir + filename)
 				if err == nil {
 					s.styles = string(data)
 				}
 
 			} else if strings.HasPrefix(tmp, "@js") {
 				filename := strings.Replace(tmp, "@js", "", -1)
-				data, err := ioutil.ReadFile(h.dir + filename)
+				data, err := os.ReadFile(h.dir + filename)
 				if err == nil {
 					s.javascript = string(data)
 				}

presenter.go

@@ -10,7 +10,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/markbates/pkger"
+	"github.com/cdreier/slide-serve/www"
 )
 
 type presenterMsg struct {
@@ -45,18 +45,15 @@ func (h *holder) presenterSocket(w http.ResponseWriter, r *http.Request) {
 			} else {
 				log.Println("presenter socker is null")
 			}
-			break
 		case "prev":
 			if h.presenterCon != nil {
 				h.presenterCon.WriteJSON(presenterMsg{
 					Type: "requestPrev",
 				})
 			}
-			break
 		case "presentation:join":
 			h.presenterCon = connection
 			log.Println("presentation joined")
-			break
 		}
 		// err = connection.WriteMessage(mt, message)
 		// if err != nil {
@@ -67,8 +64,7 @@ func (h *holder) presenterSocket(w http.ResponseWriter, r *http.Request) {
 }
 
 func (h *holder) presenterHandler(w http.ResponseWriter, r *http.Request) {
-	slideFile, _ := pkger.Open("/www/presenter.html")
-	t, _ := template.New("slide").Parse(mustFileToString(slideFile))
+	t, _ := template.New("slide").Parse(www.Presenter)
 
 	slides := ""
 	notes := ""
@@ -101,8 +97,7 @@ func (h *holder) presenterHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if h.dev {
-		devModeFile, _ := pkger.Open("/www/devMode.html")
-		js, _ := template.New("devmode").Parse(mustFileToString(devModeFile))
+		js, _ := template.New("devmode").Parse(www.DevMode)
 		var buf bytes.Buffer
 		data := make(map[string]string)
 		data["url"] = "ws://" + r.Host + "/ws"

renderer.go

@@ -30,8 +30,7 @@ func renderSlide(s slide, index int, codeTheme string) string {
 			code += line + "\n"
 			slideMarkup += codeMarker
 		} else if strings.HasPrefix(line, "#") {
-			var headlinetype int
-			headlinetype = strings.Index(line, " ")
+			headlinetype := strings.Index(line, " ")
 			line = strings.TrimLeft(line, "#")
 			line = headline(line, headlinetype)
 			slideMarkup += line
@@ -74,8 +73,7 @@ func renderSlide(s slide, index int, codeTheme string) string {
 	}
 
 	if s.classes != "" {
-		var classes string
-		classes = strings.Replace(s.classes, ",", " ", -1)
+		classes := strings.Replace(s.classes, ",", " ", -1)
 		slideMarkup += fmt.Sprintf(`
 			<script>
 				window.addEventListener('slideEnter_%d', function(){
@@ -148,8 +146,8 @@ func getHighlightedMarkup(code string, lang string, codeTheme string) (string, s
 	highlightedCode := new(bytes.Buffer)
 	cssClasses := new(bytes.Buffer)
 
-	iterator, err := lexer.Tokenise(nil, code)
-	err = formatter.Format(highlightedCode, style, iterator)
+	iterator, _ := lexer.Tokenise(nil, code)
+	err := formatter.Format(highlightedCode, style, iterator)
 	if err != nil {
 		return fmt.Sprintf(`
 			<pre>%s</pre>