549 lines
15 KiB
Go
549 lines
15 KiB
Go
package gojs
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import (
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"apigo.cloud/git/apigo/plugin"
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"apigo.cloud/git/apigo/qjs"
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"errors"
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"fmt"
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"github.com/ssgo/log"
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"github.com/ssgo/u"
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"os"
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"path"
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"path/filepath"
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"regexp"
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"strings"
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)
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// var pluginNameMatcher = regexp.MustCompile(`(\w+?)\.`)
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var exportMatcher = regexp.MustCompile(`export\s+([\w{}, ]+)\s*;?`)
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var importMatcher = regexp.MustCompile(`import\s+([\w{}, ]+)\s+from\s+['"]([\w./\\\- ]+)['"]`)
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var flowMethodTypeMatcher = regexp.MustCompile(`\):\s*([\w<>\[\]]+)\s*{`)
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var functionArgsForFlowMatcher = regexp.MustCompile(`\([\w<>\[\]:,\s]+`)
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var flowVarTypeMatcher = regexp.MustCompile(`(\w+)\s*:\s*([\w<>\[\]]+)\s*(=|,|\)|$)`)
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type RuntimeOption struct {
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Globals map[string]interface{}
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Imports map[string]string
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Logger *log.Logger
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DevMode bool
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}
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//type watchInfo struct {
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// mtime int64
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// code string
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// codePath string
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//}
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type JSRuntime struct {
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imports map[string]string
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imported map[string]string
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freeJsValues []quickjs.Value
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rt quickjs.Runtime
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JsCtx *quickjs.Context
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GoCtx *plugin.Context
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logger *log.Logger
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plugins map[string]*plugin.Plugin
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rootPath string
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currentPath string
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devMode bool
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codeLines map[string][]string
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realCodeLines map[string][]string
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anonymousIndex uint
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//watchList map[string]watchInfo // watch file changed, for dev mode
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}
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type JSError struct {
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error
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stack string
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}
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func (rt *JSRuntime) Close() {
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for _, v := range rt.freeJsValues {
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v.Free()
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}
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rt.freeJsValues = make([]quickjs.Value, 0)
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rt.JsCtx.Close()
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rt.rt.Close()
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}
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var pluginIdFixer = regexp.MustCompile("[^a-zA-Z0-9_]")
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func fixPluginId(id string) string {
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return "_" + pluginIdFixer.ReplaceAllString(id, "_")
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}
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func (rt *JSRuntime) run(code string, isClosure bool, setToVar string, fromFilename string) (out interface{}, jsErr *JSError) {
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// support import
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tryPlugins := map[string]bool{}
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fixedCode := ""
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if isClosure {
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if setToVar == "" {
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fixedCode = "(function(){" + code + "})()"
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} else {
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fixedCode = "let " + setToVar + " = (function(){" + code + "})()"
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}
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} else {
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fixedCode = code
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}
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fixedCode = importMatcher.ReplaceAllStringFunc(fixedCode, func(importStr string) string {
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m := importMatcher.FindStringSubmatch(importStr)
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importVar := rt.imported[m[2]]
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if importVar == "" {
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baseName := path.Base(m[2])
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jsFile := m[2]
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isTS := false
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if strings.HasSuffix(baseName, ".ts") {
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isTS = true
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baseName = baseName[0 : len(baseName)-3]
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}
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if strings.HasSuffix(baseName, ".js") {
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baseName = baseName[0 : len(baseName)-3]
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} else {
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if plugin.Get(m[2]) != nil {
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isTS = true
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} else {
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jsFile += ".js"
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}
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}
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if isTS {
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if plg := plugin.Get(m[2]); plg != nil {
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tryPlugins[m[2]] = true
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return "let " + m[1] + " = " + fixPluginId(m[2])
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} else {
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rt.logger.Error("unknown plugin: " + m[2])
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return ""
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}
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} else {
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if varName, searchList, err := rt.Import(m[2]); err == nil {
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return "let " + m[1] + " = " + varName
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} else {
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return "throw new Error('import file not found: " + jsFile + " in [" + strings.Join(searchList, ", ") + "]')"
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}
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}
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} else {
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return "let " + m[1] + " = " + importVar
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}
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})
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fixedCode = flowMethodTypeMatcher.ReplaceAllString(fixedCode, ") {")
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fixedCode = functionArgsForFlowMatcher.ReplaceAllStringFunc(fixedCode, func(str string) string {
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//if flowVarTypeMatcher.MatchString(str) {
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// fmt.Println(">>>>>>>>", str, u.BCyan(flowVarTypeMatcher.ReplaceAllString(str, "$1 $3")))
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//}
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return flowVarTypeMatcher.ReplaceAllString(str, "$1 $3")
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})
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//tryPlugins := map[string]bool{}
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//for _, m := range pluginNameMatcher.FindAllStringSubmatch(fixedCode, 1024) {
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// tryPlugins[m[1]] = true
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//}
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for _, plg := range plugin.List() {
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if tryPlugins[plg.Id] && rt.plugins[plg.Id] == nil {
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//if rt.plugins[plg.Id] == nil {
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rt.plugins[plg.Id] = &plg
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rt.JsCtx.Globals().Set(fixPluginId(plg.Id), MakeJsValueForPlugin(rt.GoCtx, plg.Objects, plg.Id, false))
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if plg.JsCode != "" {
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rt.codeLines[plg.Id+".js"] = strings.Split(plg.JsCode, "\n")
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rt.realCodeLines[plg.Id+".js"] = strings.Split(plg.JsCode, "\n")
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if result, err := rt.JsCtx.EvalFile(plg.JsCode, plg.Id+".js"); err != nil {
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stack := rt.getJSError(err)
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rt.logger.Error(err.Error(), "stack", stack)
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} else {
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result.Free()
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}
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}
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}
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}
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rt.codeLines[fromFilename] = strings.Split(code, "\n")
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rt.realCodeLines[fromFilename] = strings.Split(fixedCode, "\n")
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if r, err := rt.JsCtx.EvalFile(fixedCode, fromFilename); err == nil {
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result := MakeFromJsValue(r)
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r.Free()
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return result, nil
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} else {
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// 检查错误
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stack := rt.getJSError(err)
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//stack2 := getJSError(err, fixedCode)
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rt.logger.Error(err.Error(), "stack", stack) //, "stack2", stack2)
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return nil, &JSError{error: err}
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}
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}
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func (rt *JSRuntime) Exec(code string) (jsErr *JSError) {
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return rt.ExecAt(code, "")
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}
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func (rt *JSRuntime) ExecAt(code string, dir string) (jsErr *JSError) {
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rt.anonymousIndex++
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filename := filepath.Join(dir, fmt.Sprintf("anonymous%d.js", rt.anonymousIndex))
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return rt.execAtFile(code, filename)
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}
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func (rt *JSRuntime) ExecFile(filename string) (jsErr *JSError) {
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if code, err := u.ReadFile(filename); err == nil {
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return rt.execAtFile(code, filename)
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} else {
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rt.logger.Error(err.Error())
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return &JSError{error: err}
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}
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}
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func (rt *JSRuntime) execAtFile(code string, filename string) (jsErr *JSError) {
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if filename == "" {
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rt.currentPath = rt.rootPath
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} else {
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if !filepath.IsAbs(filename) {
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filename, _ = filepath.Abs(filename)
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}
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rt.currentPath = filepath.Dir(filename)
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}
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_, jsErr = rt.run(code, false, "", filename)
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return jsErr
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}
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func (rt *JSRuntime) Run(code string) (out interface{}, jsErr *JSError) {
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return rt.RunAt(code, "")
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}
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func (rt *JSRuntime) RunAt(code string, dir string) (out interface{}, jsErr *JSError) {
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rt.anonymousIndex++
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filename := filepath.Join(dir, fmt.Sprintf("anonymous%d.js", rt.anonymousIndex))
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return rt.runAtFile(code, filename)
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}
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func (rt *JSRuntime) RunFile(filename string) (out interface{}, jsErr *JSError) {
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rt.currentPath = filepath.Dir(filename)
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if code, err := u.ReadFile(filename); err == nil {
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return rt.runAtFile(code, filename)
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} else {
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rt.logger.Error(err.Error())
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return nil, &JSError{error: err}
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}
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}
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func (rt *JSRuntime) runAtFile(code string, filename string) (out interface{}, jsErr *JSError) {
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if filename == "" {
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rt.currentPath = rt.rootPath
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} else {
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if !filepath.IsAbs(filename) {
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filename, _ = filepath.Abs(filename)
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}
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rt.currentPath = filepath.Dir(filename)
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}
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return rt.run(code, true, "", filename)
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}
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func appendSearchFiles(list *[]string, dir, moduleName string, hasJsExt bool) string {
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filename := moduleName
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if dir != "" {
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filename = filepath.Join(dir, moduleName)
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}
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if hasJsExt {
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if u.FileExists(filename) {
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return filename
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}
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*list = append(*list, filename)
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} else {
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tryFilename := filename + ".js"
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if u.FileExists(tryFilename) {
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return tryFilename
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}
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*list = append(*list, tryFilename)
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tryFilename = filepath.Join(filename, "index.js")
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if u.FileExists(tryFilename) {
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return tryFilename
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}
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*list = append(*list, tryFilename)
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}
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return ""
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}
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func (rt *JSRuntime) Import(moduleName string) (varName string, searchList []string, jsErr *JSError) {
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searchList = make([]string, 0)
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// if imported
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importVar := rt.imported[moduleName]
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if importVar != "" {
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return importVar, searchList, nil
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}
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// check imports set
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importCode := rt.imports[moduleName]
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importFile := ""
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// search file
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if importCode == "" {
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hasJsExt := strings.HasSuffix(moduleName, ".js")
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importFile = appendSearchFiles(&searchList, "", moduleName, hasJsExt)
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if importFile == "" && !filepath.IsAbs(moduleName) {
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importFile = appendSearchFiles(&searchList, rt.currentPath, moduleName, hasJsExt)
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if importFile == "" && rt.rootPath != rt.currentPath {
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importFile = appendSearchFiles(&searchList, rt.rootPath, moduleName, hasJsExt)
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}
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usedNodeModuleDir := ""
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if importFile == "" {
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parentPath := rt.currentPath
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for i := 0; i < 100; i++ {
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nodeModuleDir := filepath.Join(parentPath, "node_modules")
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if u.FileExists(nodeModuleDir) {
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importFile = appendSearchFiles(&searchList, nodeModuleDir, moduleName, hasJsExt)
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break
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}
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parentPath = filepath.Dir(parentPath)
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if parentPath == "" || parentPath == "." {
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break
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}
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}
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}
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if importFile == "" && rt.rootPath != rt.currentPath {
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parentPath := rt.rootPath
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for i := 0; i < 100; i++ {
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nodeModuleDir := filepath.Join(parentPath, "node_modules")
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if u.FileExists(nodeModuleDir) {
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if nodeModuleDir != usedNodeModuleDir {
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importFile = appendSearchFiles(&searchList, nodeModuleDir, moduleName, hasJsExt)
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}
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break
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}
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parentPath = filepath.Dir(parentPath)
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if parentPath == "" || parentPath == "." {
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break
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}
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}
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}
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}
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if importFile != "" {
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if !filepath.IsAbs(importFile) {
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importFile, _ = filepath.Abs(importFile)
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}
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importVar = rt.imported[importFile]
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if importVar != "" {
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return importVar, searchList, nil
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}
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if code, err := u.ReadFile(importFile); err == nil {
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importCode = code
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} else {
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rt.logger.Error(err.Error())
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}
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}
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}
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if importCode != "" {
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importVar = fmt.Sprintf("_import_%d_%s", len(rt.imported), u.UniqueId())
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rt.imported[importFile] = importVar
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importCode = exportMatcher.ReplaceAllStringFunc(importCode, func(exportStr string) string {
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if strings.Contains(exportStr, "export default") {
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exportStr = strings.Replace(exportStr, "export default", "return", 1)
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}
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exportStr = strings.Replace(exportStr, "export", "return", 1)
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return exportStr
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})
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if _, err := rt.run(importCode, true, importVar, importFile); err == nil {
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return importVar, searchList, nil
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} else {
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return "", searchList, err
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}
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}
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return "", searchList, nil
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}
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func SetPluginsConfig(conf map[string]plugin.Config) {
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for _, plg := range plugin.List() {
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if plg.Init != nil {
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plg.Init(conf[plg.Id])
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}
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}
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}
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func New(option *RuntimeOption) *JSRuntime {
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if option == nil {
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option = &RuntimeOption{nil, nil, nil, false}
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}
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if option.Imports == nil {
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option.Imports = map[string]string{}
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}
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if option.Logger == nil {
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option.Logger = log.DefaultLogger
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}
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// 初始化JS虚拟机
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jsRt := quickjs.NewRuntime()
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jsCtx := jsRt.NewContext()
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goCtx := plugin.NewContext(map[string]interface{}{
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"*log.Logger": option.Logger,
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"*quickjs.Context": jsCtx,
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})
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rt := &JSRuntime{
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imports: option.Imports,
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imported: map[string]string{},
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freeJsValues: make([]quickjs.Value, 0),
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rt: jsRt,
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JsCtx: jsCtx,
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GoCtx: goCtx,
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logger: option.Logger,
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plugins: map[string]*plugin.Plugin{},
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codeLines: map[string][]string{},
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realCodeLines: map[string][]string{},
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}
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if rt.imports["console"] == "" {
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rt.imports["console"] = "return _console"
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}
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if rt.imports["logger"] == "" {
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rt.imports["logger"] = "return _logger"
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}
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rt.GoCtx.SetData("_freeJsValues", &rt.freeJsValues)
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rt.rootPath, _ = os.Getwd()
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rt.currentPath = rt.rootPath
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//goCtx.SetData("_rootPath", rt.rootPath)
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//goCtx.SetData("_currentPath", rt.rootPath)
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//rt.JsCtx.Globals().Set("_rootPath", jsCtx.String(rt.rootPath))
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//rt.JsCtx.Globals().Set("_currentPath", jsCtx.String(rt.rootPath))
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// 全局变量
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if option.Globals != nil {
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for k, obj := range option.Globals {
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rt.JsCtx.Globals().Set(k, MakeJsValue(rt.GoCtx, obj, false))
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}
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}
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// 注入 console
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rt.JsCtx.Globals().Set("_console", MakeJsValue(rt.GoCtx, map[string]interface{}{
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"print": func(args ...interface{}) {
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},
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"println": func(args ...interface{}) {
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fmt.Println(makeStringArray(args, u.TextNone, u.BgNone)...)
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},
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"log": func(args ...interface{}) {
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fmt.Println(makeStringArray(args, u.TextNone, u.BgNone)...)
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},
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"info": func(args ...interface{}) {
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fmt.Println(makeStringArray(args, u.TextCyan, u.BgNone)...)
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},
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"warn": func(args ...interface{}) {
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fmt.Println(makeStringArray(args, u.TextBlack, u.BgYellow)...)
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},
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"error": func(args ...interface{}) {
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fmt.Println(makeStringArray(args, u.TextWhite, u.BgRed)...)
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},
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"input": func(prompt *string) string {
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if prompt != nil {
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fmt.Print(*prompt)
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}
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line := ""
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_, _ = fmt.Scanln(&line)
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return line
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},
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}, false))
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// 注入 logger
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rt.JsCtx.Globals().Set("_logger", MakeJsValue(rt.GoCtx, map[string]interface{}{
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"debug": func(message string, args *map[string]interface{}) {
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rt.logger.Debug(message, makeMapToArray(args)...)
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},
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"info": func(message string, args *map[string]interface{}) {
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rt.logger.Info(message, makeMapToArray(args)...)
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},
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"warn": func(message string, args *map[string]interface{}) {
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rt.logger.Warning(message, makeMapToArray(args)...)
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},
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"error": func(message string, args *map[string]interface{}) {
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rt.logger.Error(message, makeMapToArray(args)...)
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},
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}, false))
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return rt
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}
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func makeMapToArray(args *map[string]interface{}) []interface{} {
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outArgs := make([]interface{}, 0)
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if args != nil {
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for k, v := range *args {
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outArgs = append(outArgs, k, v)
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}
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}
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return outArgs
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}
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func makeStringArray(args []interface{}, color u.TextColor, bg u.BgColor) []interface{} {
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stringArgs := make([]interface{}, len(args))
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for i, v := range args {
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if color != u.TextNone || bg != u.BgNone {
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stringArgs[i] = u.Color(u.StringP(v), color, bg)
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} else {
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stringArgs[i] = u.StringP(v)
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}
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}
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return stringArgs
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}
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func Run(code string, option *RuntimeOption) (out interface{}, jsErr *JSError) {
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rt := New(option)
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defer func() {
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if err := recover(); err != nil {
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rt.logger.Error(u.String(err))
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}
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rt.Close()
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}()
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return rt.Run(code)
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}
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func RunAt(code, dir string, option *RuntimeOption) (out interface{}, jsErr *JSError) {
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rt := New(option)
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defer func() {
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if err := recover(); err != nil {
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rt.logger.Error(u.String(err))
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}
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rt.Close()
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}()
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return rt.RunAt(code, dir)
|
|
}
|
|
|
|
func RunFile(filename string, option *RuntimeOption) (out interface{}, jsErr *JSError) {
|
|
rt := New(option)
|
|
defer func() {
|
|
if err := recover(); err != nil {
|
|
rt.logger.Error(u.String(err))
|
|
}
|
|
rt.Close()
|
|
}()
|
|
return rt.RunFile(filename)
|
|
}
|
|
|
|
var jsErrorCodeMatcher = regexp.MustCompile(`([\w./\\\-]+):(\d+)`)
|
|
|
|
func (rt *JSRuntime) getJSError(err error) string {
|
|
if err != nil {
|
|
var jsErr *quickjs.Error
|
|
if errors.As(err, &jsErr) {
|
|
// 在错误信息中加入代码
|
|
return jsErrorCodeMatcher.ReplaceAllStringFunc(jsErr.Stack, func(s2 string) string {
|
|
m := jsErrorCodeMatcher.FindStringSubmatch(s2)
|
|
filename := m[1]
|
|
errorLineNumber := u.Int(m[2])
|
|
errorLine := ""
|
|
codeLines := rt.codeLines[filename]
|
|
realCodeLines := rt.realCodeLines[filename]
|
|
realCodeLineStr := ""
|
|
if codeLines != nil && len(codeLines) >= errorLineNumber {
|
|
errorLine = strings.TrimSpace(codeLines[errorLineNumber-1])
|
|
realErrorLine := strings.TrimSpace(realCodeLines[errorLineNumber-1])
|
|
if errorLine != realErrorLine {
|
|
realCodeLineStr = " > ```" + realErrorLine + "```"
|
|
}
|
|
}
|
|
return s2 + " ```" + errorLine + "```" + realCodeLineStr
|
|
})
|
|
} else {
|
|
return err.Error()
|
|
}
|
|
} else {
|
|
return ""
|
|
}
|
|
}
|