/
list.dart
48 lines (42 loc) · 1.82 KB
/
list.dart
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// Copyright 2018 Google Inc. Use of this source code is governed by an
// MIT-style license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT.
import 'package:js/js.dart';
import 'dart:js_util';
import '../../value.dart';
import '../utils.dart';
import '../value.dart';
@JS()
class _NodeSassList {
external SassList get dartValue;
external set dartValue(SassList dartValue);
}
/// Creates a new `sass.types.List` object wrapping [value].
Object newNodeSassList(SassList value) =>
callConstructor(listConstructor, [null, null, value]) as Object;
/// The JS constructor for the `sass.types.List` class.
final Function listConstructor = createClass('SassList',
(_NodeSassList thisArg, int? length,
[bool? commaSeparator, SassList? dartValue]) {
thisArg.dartValue = dartValue ??
// Either [dartValue] or [length] must be passed.
SassList(Iterable.generate(length!, (_) => sassNull),
(commaSeparator ?? true) ? ListSeparator.comma : ListSeparator.space);
}, {
'getValue': (_NodeSassList thisArg, int index) =>
wrapValue(thisArg.dartValue.asList[index]),
'setValue': (_NodeSassList thisArg, int index, Object value) {
var mutable = thisArg.dartValue.asList.toList();
mutable[index] = unwrapValue(value);
thisArg.dartValue = thisArg.dartValue.withListContents(mutable);
},
'getSeparator': (_NodeSassList thisArg) =>
thisArg.dartValue.separator == ListSeparator.comma,
'setSeparator': (_NodeSassList thisArg, bool isComma) {
thisArg.dartValue = SassList(thisArg.dartValue.asList,
isComma ? ListSeparator.comma : ListSeparator.space,
brackets: thisArg.dartValue.hasBrackets);
},
'getLength': (_NodeSassList thisArg) => thisArg.dartValue.asList.length,
'toString': (_NodeSassList thisArg) => thisArg.dartValue.toString()
});