308 lines
7.4 KiB
Go
308 lines
7.4 KiB
Go
package ai
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import (
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"apigo.cc/ai/ai/goja"
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"apigo.cc/ai/ai/goja_nodejs/require"
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"apigo.cc/ai/ai/js"
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"apigo.cc/ai/ai/llm"
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"bytes"
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_ "embed"
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"encoding/json"
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"errors"
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"fmt"
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"github.com/ssgo/u"
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"path/filepath"
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"regexp"
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"strings"
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"text/template"
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)
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//go:embed js/lib/ai.ts
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var aiTS string
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//go:embed js/lib/console.ts
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var consoleTS string
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//go:embed js/lib/file.ts
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var fileTS string
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//go:embed js/lib/util.ts
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var utilTS string
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//go:embed js/lib/http.ts
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var httpTS string
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func RunFile(file string, args ...any) (any, error) {
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return Run(u.ReadFileN(file), file, args...)
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}
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func Run(code string, refFile string, args ...any) (any, error) {
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rt := New()
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var r any
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_, err := rt.StartFromCode(code, refFile)
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if err == nil {
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r, err = rt.RunMain(args...)
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}
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return r, err
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}
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var importModMatcher = regexp.MustCompile(`(?im)^\s*import\s+(.+?)\s+from\s+['"](.+?)['"]`)
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var importLibMatcher = regexp.MustCompile(`(?im)^\s*(import)\s+(.+?)\s+from\s+['"][./\\\w:]+lib[/\\](.+?)(\.ts)?['"]`)
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var requireLibMatcher = regexp.MustCompile(`(?im)^\s*(const|let|var)\s+(.+?)\s*=\s*require\s*\(\s*['"][./\\\w:]+lib[/\\](.+?)(\.ts)?['"]\s*\)`)
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var checkMainMatcher = regexp.MustCompile(`(?im)^\s*function\s+main\s*\(`)
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type Runtime struct {
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vm *goja.Runtime
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required map[string]bool
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file string
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srcCode string
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code string
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moduleLoader func(string) string
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}
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func (rt *Runtime) SetModuleLoader(fn func(filename string) string) {
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rt.moduleLoader = fn
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}
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func (rt *Runtime) GetCallStack() []string {
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callStacks := make([]string, 0)
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for _, stack := range rt.vm.CaptureCallStack(0, nil) {
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callStacks = append(callStacks, stack.Position().String())
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}
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return callStacks
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}
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func (rt *Runtime) requireMod(name string) error {
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var err error
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if name == "console" || name == "" {
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if !rt.required["console"] {
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rt.required["console"] = true
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err = rt.vm.Set("console", js.RequireConsole())
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}
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}
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if err == nil && (name == "file" || name == "") {
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if !rt.required["file"] {
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rt.required["file"] = true
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err = rt.vm.Set("file", js.RequireFile())
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}
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}
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if err == nil && (name == "util" || name == "") {
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if !rt.required["util"] {
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rt.required["util"] = true
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err = rt.vm.Set("util", js.RequireUtil())
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}
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}
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if err == nil && (name == "http" || name == "") {
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if !rt.required["http"] {
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rt.required["http"] = true
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err = rt.vm.Set("http", js.RequireHTTP())
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}
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}
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if err == nil && (name == "ai" || name == "") {
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if !rt.required["ai"] {
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rt.required["ai"] = true
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aiList := make(map[string]any)
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for name, lm := range llm.List() {
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aiList[name] = js.RequireAI(lm)
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}
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err = rt.vm.Set("ai", aiList)
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}
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}
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return err
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}
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func (rt *Runtime) makeImport(matcher *regexp.Regexp, code string) (string, int, error) {
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var modErr error
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importCount := 0
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code = matcher.ReplaceAllStringFunc(code, func(str string) string {
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if m := matcher.FindStringSubmatch(str); m != nil && len(m) > 3 {
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optName := m[1]
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if optName == "import" {
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optName = "let"
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}
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varName := m[2]
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modName := m[3]
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importCount++
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if modErr == nil {
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if err := rt.requireMod(modName); err != nil {
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modErr = err
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}
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}
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if varName != modName {
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return fmt.Sprintf("%s %s = %s", optName, varName, modName)
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}
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}
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return ""
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})
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return code, importCount, modErr
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}
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func New() *Runtime {
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vm := goja.New()
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vm.GoData = map[string]any{}
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return &Runtime{
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vm: vm,
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required: map[string]bool{},
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}
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}
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func (rt *Runtime) StartFromFile(file string) (any, error) {
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return rt.StartFromCode(u.ReadFileN(file), file)
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}
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func (rt *Runtime) StartFromCode(code, refFile string) (any, error) {
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if refFile != "" {
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rt.file = refFile
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}
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if rt.file == "" {
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rt.file = "main.js"
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}
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if absFile, err := filepath.Abs(rt.file); err == nil {
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rt.file = absFile
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}
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refPath := filepath.Dir(refFile)
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rt.vm.GoData["startPath"] = refPath
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InitFrom(refPath)
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if rt.srcCode == "" {
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rt.srcCode = code
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}
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rt.code = code
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// 按需加载引用
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var importCount int
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var modErr error
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rt.code, importCount, modErr = rt.makeImport(importLibMatcher, rt.code)
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if modErr == nil {
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importCount1 := importCount
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rt.code, importCount, modErr = rt.makeImport(requireLibMatcher, rt.code)
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importCount += importCount1
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}
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// 将 import 转换为 require
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rt.code = importModMatcher.ReplaceAllString(rt.code, "let $1 = require('$2')")
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// 如果没有import，默认import所有
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if modErr == nil && importCount == 0 {
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modErr = rt.requireMod("")
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}
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if modErr != nil {
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return nil, modErr
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}
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//fmt.Println(u.BCyan(rt.code))
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// 处理模块引用
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require.NewRegistryWithLoader(func(path string) ([]byte, error) {
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modFile := path
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if !filepath.IsAbs(modFile) {
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modFile = filepath.Join(filepath.Dir(rt.file), modFile)
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}
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if !strings.HasSuffix(modFile, ".js") && !u.FileExists(modFile) {
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modFile += ".js"
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}
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modCode := ""
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if rt.moduleLoader != nil {
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modCode = rt.moduleLoader(modFile)
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}
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if modCode == "" {
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var err error
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modCode, err = u.ReadFile(modFile)
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if err != nil {
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return nil, err
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}
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}
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modCode, _, _ = rt.makeImport(importLibMatcher, modCode)
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modCode, _, _ = rt.makeImport(requireLibMatcher, modCode)
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return []byte(modCode), modErr
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}).Enable(rt.vm)
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// 初始化主函数
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if !checkMainMatcher.MatchString(rt.code) {
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rt.code = "function main(...args){" + rt.code + "}"
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}
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if r, err := rt.vm.RunScript(rt.file, rt.code); err != nil {
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return nil, err
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} else {
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return r, nil
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}
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}
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func (rt *Runtime) RunMain(args ...any) (any, error) {
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// 解析参数
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for i, arg := range args {
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if str, ok := arg.(string); ok {
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var v interface{}
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if err := json.Unmarshal([]byte(str), &v); err == nil {
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args[i] = v
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}
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}
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}
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if err := rt.vm.Set("__args", args); err != nil {
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return nil, err
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}
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jsResult, err := rt.vm.RunScript("main", "main(...__args)")
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var result any
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if err == nil {
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if jsResult != nil && !jsResult.Equals(goja.Undefined()) {
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result = jsResult.Export()
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}
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}
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return result, err
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}
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func (rt *Runtime) RunCode(code string) (any, error) {
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jsResult, err := rt.vm.RunScript(rt.file, code)
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var result any
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if err == nil {
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if jsResult != nil && !jsResult.Equals(goja.Undefined()) {
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result = jsResult.Export()
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}
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}
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return result, err
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}
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type Exports struct {
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LLMList []string
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}
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func ExportForDev() (string, error) {
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Init()
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if len(llm.List()) == 0 && !u.FileExists("env.yml") && !u.FileExists("env.json") && !u.FileExists("llm.yml") && !u.FileExists("llm.json") {
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return "", errors.New("no llm config found, please run `ai -e` on env.yml or llm.yml path")
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}
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exports := Exports{}
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for name, _ := range llm.List() {
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exports.LLMList = append(exports.LLMList, name)
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}
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exportFile := filepath.Join("lib", "ai.ts")
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var tpl *template.Template
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var err error
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if tpl, err = template.New(exportFile).Parse(aiTS); err == nil {
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buf := bytes.NewBuffer(make([]byte, 0))
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if err = tpl.Execute(buf, exports); err == nil {
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err = u.WriteFileBytes(exportFile, buf.Bytes())
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}
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}
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if err != nil {
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return "", err
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}
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_ = u.WriteFile(filepath.Join("lib", "console.ts"), consoleTS)
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_ = u.WriteFile(filepath.Join("lib", "file.ts"), fileTS)
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_ = u.WriteFile(filepath.Join("lib", "util.ts"), utilTS)
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_ = u.WriteFile(filepath.Join("lib", "http.ts"), httpTS)
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return `import {` + strings.Join(exports.LLMList, ", ") + `} from './lib/ai'
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import console from './lib/console'
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import util from './lib/util'
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import http from './lib/http'
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import file from './lib/file'`, nil
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}
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