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@@ -24,4 +24,5 @@ bin/ | |
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| .DS_Store | ||
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| dist/ | ||
| node_modules/ | ||
| cmd/web/dist/ | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,102 @@ | ||
| package extension | ||
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| import ( | ||
| _ "embed" | ||
| "errors" | ||
| "fmt" | ||
| "github.com/dop251/goja" | ||
| "github.com/dop251/goja_nodejs/eventloop" | ||
| "github.com/dop251/goja_nodejs/url" | ||
| "github.com/monkeyWie/gopeed/pkg/download/extension/inject/file" | ||
| "github.com/monkeyWie/gopeed/pkg/download/extension/inject/formdata" | ||
| "github.com/monkeyWie/gopeed/pkg/download/extension/inject/xhr" | ||
| ) | ||
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| //go:embed polyfill/dist/index.js | ||
| var polyfillScript string | ||
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| type Engine struct { | ||
| loop *eventloop.EventLoop | ||
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| Runtime *goja.Runtime | ||
| } | ||
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| func (e *Engine) RunString(script string) (value goja.Value, err error) { | ||
| defer func() { | ||
| if r := recover(); r != nil { | ||
| err = fmt.Errorf("%v", r) | ||
| } | ||
| }() | ||
| e.loop.Run(func(runtime *goja.Runtime) { | ||
| value, err = runtime.RunString(script) | ||
| }) | ||
| return | ||
| } | ||
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| func (e *Engine) RunNative(cb goja.Callable, args ...goja.Value) (value goja.Value, err error) { | ||
| defer func() { | ||
| if r := recover(); r != nil { | ||
| err = fmt.Errorf("%v", r) | ||
| } | ||
| }() | ||
| e.loop.Run(func(runtime *goja.Runtime) { | ||
| if args == nil { | ||
| value, err = cb(nil) | ||
| } else { | ||
| value, err = cb(nil, args...) | ||
| } | ||
| }) | ||
| return | ||
| } | ||
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| func (e *Engine) Close() { | ||
| e.loop.Stop() | ||
| } | ||
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| func NewEngine() *Engine { | ||
| loop := eventloop.NewEventLoop() | ||
| engine := &Engine{ | ||
| loop: loop, | ||
| } | ||
| loop.Run(func(runtime *goja.Runtime) { | ||
| engine.Runtime = runtime | ||
| url.Enable(runtime) | ||
| if err := file.Enable(runtime); err != nil { | ||
| return | ||
| } | ||
| if err := formdata.Enable(runtime); err != nil { | ||
| return | ||
| } | ||
| if err := xhr.Enable(runtime); err != nil { | ||
| return | ||
| } | ||
| if _, err := runtime.RunString(polyfillScript); err != nil { | ||
| return | ||
| } | ||
| return | ||
| }) | ||
| return engine | ||
| } | ||
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| func Run(script string) (value goja.Value, err error) { | ||
| engine := NewEngine() | ||
| return engine.RunString(script) | ||
| } | ||
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| // ResolveResult if the value is Promise, it will be resolved and return the result. | ||
| func ResolveResult(value goja.Value) (any, error) { | ||
| export := value.Export() | ||
| switch export.(type) { | ||
| case *goja.Promise: | ||
| p := export.(*goja.Promise) | ||
| switch p.State() { | ||
| case goja.PromiseStatePending: | ||
| return nil, nil | ||
| case goja.PromiseStateFulfilled: | ||
| return p.Result().Export(), nil | ||
| case goja.PromiseStateRejected: | ||
| return nil, errors.New(p.Result().String()) | ||
| } | ||
| } | ||
| return export, nil | ||
| } |
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