72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
package console
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import (
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"github.com/dop251/goja"
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"github.com/dop251/goja_nodejs/require"
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"github.com/dop251/goja_nodejs/util"
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)
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const ModuleName = "console"
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type Console struct {
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runtime *goja.Runtime
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util *goja.Object
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printer Printer
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}
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type Printer interface {
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Log(string)
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Warn(string)
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Error(string)
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}
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func (c *Console) log(p func(string)) func(goja.FunctionCall) goja.Value {
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return func(call goja.FunctionCall) goja.Value {
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if format, ok := goja.AssertFunction(c.util.Get("format")); ok {
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ret, err := format(c.util, call.Arguments...)
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if err != nil {
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panic(err)
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}
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p(ret.String())
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} else {
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panic(c.runtime.NewTypeError("util.format is not a function"))
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}
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return nil
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}
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}
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func Require(runtime *goja.Runtime, module *goja.Object) {
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requireWithPrinter(defaultStdPrinter)(runtime, module)
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}
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func RequireWithPrinter(printer Printer) require.ModuleLoader {
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return requireWithPrinter(printer)
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}
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func requireWithPrinter(printer Printer) require.ModuleLoader {
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return func(runtime *goja.Runtime, module *goja.Object) {
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c := &Console{
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runtime: runtime,
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printer: printer,
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}
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c.util = require.Require(runtime, util.ModuleName).(*goja.Object)
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o := module.Get("exports").(*goja.Object)
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o.Set("log", c.log(c.printer.Log))
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o.Set("error", c.log(c.printer.Error))
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o.Set("warn", c.log(c.printer.Warn))
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o.Set("info", c.log(c.printer.Log))
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o.Set("debug", c.log(c.printer.Log))
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}
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}
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func Enable(runtime *goja.Runtime) {
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runtime.Set("console", require.Require(runtime, ModuleName))
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}
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func init() {
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require.RegisterCoreModule(ModuleName, Require)
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}
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