Ashley Harrison
c95e3da2d5
* convert all theme files to json * automatically discover extra themes in go backend * use zod * error tidy up * error tidy up p2 * generate theme json schema from zod * generate theme list at build time, don't do it at runtime * make name and id required in the theme schema
91 lines
2.0 KiB
Go
91 lines
2.0 KiB
Go
//go:build ignore
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package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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)
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type Colors struct {
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Mode string `json:"mode"`
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}
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type ThemeDefinition struct {
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Colors Colors `json:"colors"`
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Id string `json:"id"`
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}
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func main() {
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themesPath := filepath.Join("..", "..", "..", "packages", "grafana-data", "src", "themes", "themeDefinitions")
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// Check if the themes directory exists
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if _, err := os.Stat(themesPath); os.IsNotExist(err) {
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fmt.Fprintf(os.Stderr, "Themes directory not found: %s\n", themesPath)
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os.Exit(1)
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}
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output := `// Code generated by go generate; DO NOT EDIT.
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package pref
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var themes = []ThemeDTO{
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{ID: "light", Type: "light"},
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{ID: "dark", Type: "dark"},
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{ID: "system", Type: "dark"},
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`
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err := filepath.WalkDir(themesPath, func(path string, d os.DirEntry, err error) error {
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if err != nil {
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return err
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}
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// Only process json files
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if d.IsDir() || !strings.HasSuffix(d.Name(), ".json") {
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return nil
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}
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fileBytes, readErr := os.ReadFile(path)
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if readErr != nil {
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fmt.Fprintf(os.Stderr, "Error reading file %s: %v\n", path, readErr)
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return nil // Continue processing other files
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}
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var themeDef ThemeDefinition
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jsonErr := json.Unmarshal(fileBytes, &themeDef)
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if jsonErr != nil {
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fmt.Fprintf(os.Stderr, "Error parsing JSON from %s: %v\n", path, jsonErr)
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return nil // Continue processing other files
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}
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themeId := themeDef.Id
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themeType := "dark" // default fallback
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if themeDef.Colors.Mode != "" {
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themeType = themeDef.Colors.Mode
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}
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output += fmt.Sprintf("\t{ID: %q, Type: %q, IsExtra: true},\n", themeId, themeType)
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return nil
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})
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error walking themes directory: %v\n", err)
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os.Exit(1)
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}
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output += "}\n"
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// Write the generated file
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outputPath := filepath.Join("themes_generated.go")
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if err := os.WriteFile(outputPath, []byte(output), 0644); err != nil {
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fmt.Fprintf(os.Stderr, "Error writing output file: %v\n", err)
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os.Exit(1)
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}
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fmt.Printf("Successfully generated themes_generated.go\n")
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}
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