From 5fa7eb841e7004250ecd88c6c5755006a0fe5e42 Mon Sep 17 00:00:00 2001
From: Jesse Portnoy <jesse@packman.io>
Date: Sun, 16 Jul 2023 02:12:12 +0100
Subject: [PATCH] - Guard aginst non-existing syn highlighter file - Create mod
 file in `examples` dir

---
 README.md          |  8 ++++++--
 examples/go.mod    | 15 +++++++++++++++
 examples/go.sum    | 16 ++++++++++++++++
 examples/syncat.go |  6 +++++-
 4 files changed, 42 insertions(+), 3 deletions(-)
 create mode 100644 examples/go.mod
 create mode 100644 examples/go.sum

diff --git a/README.md b/README.md
index 5750ddb..292d767 100644
--- a/README.md
+++ b/README.md
@@ -41,13 +41,17 @@ func main() {
 import "fmt"
 
 // A hello world program
-func main() {
+func helloWorld() {
     fmt.Println("Hello world")
 }`
 
     // Load the go syntax file
     // Make sure that the syntax_files directory is in the current directory
-    syntaxFile, _ := ioutil.ReadFile("highlight/syntax_files/go.yaml")
+    syntaxFile, lerr := ioutil.ReadFile("highlight/syntax_files/go.yaml")
+    if lerr != nil {
+        fmt.Println(lerr)
+	return
+    }    
 
     // Parse it into a `*highlight.Def`
     syntaxDef, err := highlight.ParseDef(syntaxFile)
diff --git a/examples/go.mod b/examples/go.mod
new file mode 100644
index 0000000..2cd13bb
--- /dev/null
+++ b/examples/go.mod
@@ -0,0 +1,15 @@
+module examples
+
+go 1.19
+
+require (
+	github.com/fatih/color v1.15.0
+	github.com/zyedidia/highlight v0.0.0-20200217010119-291680feaca1
+)
+
+require (
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.17 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)
diff --git a/examples/go.sum b/examples/go.sum
new file mode 100644
index 0000000..22bff5e
--- /dev/null
+++ b/examples/go.sum
@@ -0,0 +1,16 @@
+github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
+github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.17 h1:BTarxUcIeDqL27Mc+vyvdWYSL28zpIhv3RoTdsLMPng=
+github.com/mattn/go-isatty v0.0.17/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/zyedidia/highlight v0.0.0-20200217010119-291680feaca1 h1:8oQDIgT8V1yyEoEvvoXkSfoJgSst+dUEwunxq8fbs1c=
+github.com/zyedidia/highlight v0.0.0-20200217010119-291680feaca1/go.mod h1:c1r+Ob9tUTPB0FKWO1+x+Hsc/zNa45WdGq7Y38Ybip0=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
diff --git a/examples/syncat.go b/examples/syncat.go
index c9a7c33..78ba538 100644
--- a/examples/syncat.go
+++ b/examples/syncat.go
@@ -19,7 +19,11 @@ func main() {
 
 	var defs []*highlight.Def
 	gopath := os.Getenv("GOPATH")
-	files, _ := ioutil.ReadDir(gopath + "/src/github.com/zyedidia/highlight/syntax_files")
+	files, lerr := ioutil.ReadDir(gopath + "/src/github.com/zyedidia/highlight/syntax_files")
+	if lerr != nil {
+	    fmt.Println(lerr)
+	    return
+	}
 
 	for _, f := range files {
 		if strings.HasSuffix(f.Name(), ".yaml") {