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generate.go
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package main
import (
"encoding/json"
"fmt"
"html/template"
"net/http"
"os"
"slices"
"strings"
)
var indexTmpl = template.Must(template.New("").Parse(`<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="stylesheet" href="styles.css" />
<title>go-simpler.org</title>
</head>
<body>
<header>
<h1>go-simpler.org</h1>
<p>A collection of Go packages built with ❤️</p>
</header>
<main>
<table>
{{- range $_, $category := $.Categories}}
<tr>
<th colspan="2">{{.}}</th>
</tr>
{{- range $.Projects}}
{{- if eq .Category $category}}
<tr>
<td><a href="{{.Href}}">{{.Name}}</a></td>
<td>{{.Desc}}</td>
</tr>
{{- end}}
{{- end}}
{{- end}}
</table>
</main>
</body>
</html>
`))
var pageTmpl = template.Must(template.New("").Parse(`<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="go-import" content="go-simpler.org/{{.}} git https://github.com/go-simpler/{{.}}" />
<meta http-equiv="refresh" content="0; url=https://pkg.go.dev/go-simpler.org/{{.}}" />
</head>
</html>
`))
func main() {
if err := run(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func run() error {
data, err := os.ReadFile("packages.txt")
if err != nil {
return err
}
if err := os.Chdir("docs"); err != nil {
return err
}
packages := strings.Split(strings.TrimSpace(string(data)), "\n")
misc := [...]string{"styleguide", "website", ".github"}
categories := [...]string{"libs", "tools", "misc"}
projects := make([]struct{ Name, Desc, Href, Category string }, len(packages)+len(misc))
for i, name := range packages {
desc, topics, err := getRepoInfo(name)
if err != nil {
return err
}
projects[i].Name = "go-simpler.org/" + name
projects[i].Desc = desc
projects[i].Href = name + ".html"
switch {
case slices.Contains(topics, "library"):
projects[i].Category = categories[0]
case slices.Contains(topics, "tool"):
projects[i].Category = categories[1]
default:
return fmt.Errorf("%s: no category set", name)
}
f, err := os.Create(name + ".html")
if err != nil {
return err
}
defer f.Close()
if err := pageTmpl.Execute(f, name); err != nil {
return err
}
}
for i, name := range misc {
desc, _, err := getRepoInfo(name)
if err != nil {
return err
}
j := len(packages) + i
projects[j].Name = "github.com/go-simpler/" + name
projects[j].Desc = desc
projects[j].Href = "https://github.com/go-simpler/" + name
projects[j].Category = categories[2]
}
f, err := os.Create("index.html")
if err != nil {
return err
}
defer f.Close()
return indexTmpl.Execute(f, struct {
Projects any
Categories []string
}{
Projects: projects,
Categories: categories[:],
})
}
func getRepoInfo(name string) (desc string, topics []string, _ error) {
resp, err := http.Get("https://api.github.com/repos/go-simpler/" + name)
if err != nil {
return "", nil, err
}
defer resp.Body.Close()
var v struct {
Desc string `json:"description"`
Topics []string `json:"topics"`
}
if err := json.NewDecoder(resp.Body).Decode(&v); err != nil {
return "", nil, err
}
return v.Desc, v.Topics, nil
}