Method ImportDeclaration

bindings/bindings.go:852–882

ImportDeclaration builds the goja ImportDeclaration for a top-level `import { ... } from "module"` statement, or a side-effect import (`import "module"`) when decl.SideEffect is true.

(decl *ImportDeclaration)

// `import { ... } from "module"` statement, or a side-effect import
// (`import "module"`) when decl.SideEffect is true.
func (b *Bindings) ImportDeclaration(decl *ImportDeclaration) (*goja.Object, error) {
	declF, err := b.f("importDeclaration")
	if err != nil {
		return nil, err
	}

	var namedImports goja.Value
	if decl.SideEffect {
		namedImports = goja.Undefined()
	} else {
		specifiers := make([]interface{}, 0, len(decl.Named))
		for _, n := range decl.Named {
			obj, err := b.ImportSpecifier(n)
			if err != nil {
				return nil, fmt.Errorf("import specifier %q: %w", n.Name, err)
			}
			specifiers = append(specifiers, obj)
		}
		namedImports = b.vm.NewArray(specifiers...)
	}

	res, err := declF(goja.Undefined(),
		b.vm.ToValue(decl.IsTypeOnly),
		b.vm.ToValue(decl.Module),
		namedImports,
	)
	if err != nil {
		return nil, xerrors.Errorf("call importDeclaration: %w", err)
	}
	return res.ToObject(b.vm), nil
}

// IdentifierExpression builds the goja node for a value-position identifier
// such as `z` or `BaseSchema`.