gotsrpc/config/config.go
Kevin Franklin Kim b41cebcea3
feat: add schema
2025-09-18 23:20:12 +02:00

126 lines
3.1 KiB
Go

package config
import (
"errors"
"os"
"path"
"path/filepath"
"golang.org/x/mod/modfile"
"gopkg.in/yaml.v2"
)
type Target struct {
// Go package name
Package string `json:"package" yaml:"package"`
// Map of default routes to service names
Services map[string]string `json:"services" yaml:"services"`
// TypeScript module name
TypeScriptModule string `json:"module" yaml:"module"`
// TypeScript output filename
Out string `json:"out" yaml:"out"`
// List of go rpc services to generate
GoRPC []string `json:"gorpc" yaml:"gorpc"`
// List of ts rpc services to generate
TSRPC []string `json:"tsrpc" yaml:"tsrpc"`
// Skip generating go rpc client
SkipTSRPCClient bool `json:"skipTSRPCClient" yaml:"skipTSRPCClient"`
}
func (t *Target) IsGoRPC(service string) bool {
for _, value := range t.GoRPC {
if value == service {
return true
}
}
return false
}
func (t *Target) IsTSRPC(service string) bool {
if len(t.TSRPC) == 0 {
return true
}
for _, value := range t.TSRPC {
if value == service {
return true
}
}
return false
}
type Mapping struct {
// Internal go package name
GoPackage string `json:"-" yaml:"-"`
// TypeScript output filename
Out string `json:"out" yaml:"out"`
// List of go types to generate
Structs []string `json:"structs" yaml:"structs"`
// List of go types to generate
Scalars []string `json:"scalars" yaml:"scalars"`
// Optional TypeScript module name
TypeScriptModule string `json:"module" yaml:"module"`
}
type TypeScriptMappings map[string]*Mapping
type Namespace struct {
// Go module name
Name string `json:"name" yaml:"name"`
// Go module path
Path string `json:"path" yaml:"path"`
// Internally loaded mod file
ModFile *modfile.File `json:"-" yaml:"-"`
}
type Config struct {
// Go module settings
Module Namespace `json:"module" yaml:"module"`
// Map of target names to target settings
Targets map[string]*Target `json:"targets" yaml:"targets"`
// Map of go module names to TypeScript mapping settings
Mappings TypeScriptMappings `json:"mappings" yaml:"mappings"`
}
func LoadConfigFile(file string) (conf *Config, err error) {
yamlBytes, readErr := os.ReadFile(file)
if readErr != nil {
return nil, errors.New("could not read config file: " + readErr.Error())
}
conf, err = loadConfig(yamlBytes)
if err != nil {
return nil, err
}
if conf.Module.Path != "" && !path.IsAbs(conf.Module.Path) {
absPath, err := filepath.Abs(filepath.Join(filepath.Dir(file), conf.Module.Path))
if err != nil {
return nil, err
}
conf.Module.Path = absPath
if data, err := os.ReadFile(path.Join(absPath, "go.mod")); err != nil && !os.IsNotExist(err) {
return nil, err
} else if err == nil {
modFile, err := modfile.Parse(path.Join(absPath, "go.mod"), data, nil)
if err != nil {
return nil, err
}
conf.Module.ModFile = modFile
}
}
return conf, nil
}
func loadConfig(yamlBytes []byte) (conf *Config, err error) {
conf = &Config{}
yamlErr := yaml.Unmarshal(yamlBytes, conf)
if yamlErr != nil {
err = errors.New("could not parse yaml: " + yamlErr.Error())
return
}
for goPackage, mapping := range conf.Mappings {
mapping.GoPackage = goPackage
}
return
}