Adding upstream version 0.0~git20250409.f7acab6.

Signed-off-by: Daniel Baumann <daniel@debian.org>

errors/errors.go

@@ -0,0 +1,97 @@
+package errors
+
+import (
+	"fmt"
+
+	"github.com/dop251/goja"
+)
+
+const (
+	ErrCodeInvalidArgType  = "ERR_INVALID_ARG_TYPE"
+	ErrCodeInvalidArgValue = "ERR_INVALID_ARG_VALUE"
+	ErrCodeInvalidThis     = "ERR_INVALID_THIS"
+	ErrCodeMissingArgs     = "ERR_MISSING_ARGS"
+	ErrCodeOutOfRange      = "ERR_OUT_OF_RANGE"
+)
+
+func error_toString(call goja.FunctionCall, r *goja.Runtime) goja.Value {
+	this := call.This.ToObject(r)
+	var name, msg string
+	if n := this.Get("name"); n != nil && !goja.IsUndefined(n) {
+		name = n.String()
+	} else {
+		name = "Error"
+	}
+	if m := this.Get("message"); m != nil && !goja.IsUndefined(m) {
+		msg = m.String()
+	}
+	if code := this.Get("code"); code != nil && !goja.IsUndefined(code) {
+		if name != "" {
+			name += " "
+		}
+		name += "[" + code.String() + "]"
+	}
+	if msg != "" {
+		if name != "" {
+			name += ": "
+		}
+		name += msg
+	}
+	return r.ToValue(name)
+}
+
+func addProps(r *goja.Runtime, e *goja.Object, code string) {
+	e.Set("code", code)
+	e.DefineDataProperty("toString", r.ToValue(error_toString), goja.FLAG_TRUE, goja.FLAG_TRUE, goja.FLAG_FALSE)
+}
+
+func NewTypeError(r *goja.Runtime, code string, params ...interface{}) *goja.Object {
+	e := r.NewTypeError(params...)
+	addProps(r, e, code)
+	return e
+}
+
+func NewRangeError(r *goja.Runtime, code string, params ...interface{}) *goja.Object {
+	ctor, _ := r.Get("RangeError").(*goja.Object)
+	return NewError(r, ctor, code, params...)
+}
+
+func NewError(r *goja.Runtime, ctor *goja.Object, code string, args ...interface{}) *goja.Object {
+	if ctor == nil {
+		ctor, _ = r.Get("Error").(*goja.Object)
+	}
+	if ctor == nil {
+		return nil
+	}
+	msg := ""
+	if len(args) > 0 {
+		f, _ := args[0].(string)
+		msg = fmt.Sprintf(f, args[1:]...)
+	}
+	o, err := r.New(ctor, r.ToValue(msg))
+	if err != nil {
+		panic(err)
+	}
+	addProps(r, o, code)
+	return o
+}
+
+func NewArgumentNotBigIntTypeError(r *goja.Runtime, name string) *goja.Object {
+	return NewNotCorrectTypeError(r, name, "BigInt")
+}
+
+func NewArgumentNotStringTypeError(r *goja.Runtime, name string) *goja.Object {
+	return NewNotCorrectTypeError(r, name, "string")
+}
+
+func NewArgumentNotNumberTypeError(r *goja.Runtime, name string) *goja.Object {
+	return NewNotCorrectTypeError(r, name, "number")
+}
+
+func NewNotCorrectTypeError(r *goja.Runtime, name, _type string) *goja.Object {
+	return NewTypeError(r, ErrCodeInvalidArgType, "The \"%s\" argument must be of type %s.", name, _type)
+}
+
+func NewArgumentOutOfRangeError(r *goja.Runtime, name string, v any) *goja.Object {
+	return NewRangeError(r, ErrCodeOutOfRange, "The value of \"%s\" %v is out of range.", name, v)
+}