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helper.go
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package quickjs
import (
// "sync"
// "os"
// "time"
)
/*
type jsCtx struct {
jsvm *JsContext
mt time.Time
}
var (
jsCtxCache map[string]*jsCtx
lock *sync.Mutex
)*/
func InitCache() {
/*
if lock != nil {
return
}
lock = &sync.Mutex{}
jsCtxCache = make(map[string]*jsCtx)
*/
}
func LoadFileFromCache(path string, vars map[string]interface{}) (ctx *JsContext, existing bool, err error) {
/*
lock.Lock()
defer lock.Unlock()
jsC, ok := jsCtxCache[path]
if !ok {
if ctx, err = createJSContext(path, vars); err != nil {
return
}
fi, _ := os.Stat(path)
jsC = &jsCtx{
jsvm: ctx,
mt: fi.ModTime(),
}
jsCtxCache[path] = jsC
return
}
fi, e := os.Stat(path)
if e != nil {
err = e
return
}
mt := fi.ModTime()
if !jsC.mt.Equal(mt) {
if ctx, err = createJSContext(path, vars); err != nil {
return
}
jsC.jsvm = ctx
jsC.mt = mt
} else {
existing = true
ctx = jsC.jsvm
}
return
*/
ctx, err = createJSContext(path, vars)
return
}
func createJSContext(path string, vars map[string]interface{}) (ctx *JsContext, err error) {
if ctx, err = NewContext(); err != nil {
return
}
if _, err = ctx.EvalFile(path, vars); err != nil {
return
}
return
}