dart-sass/test/node_api/api.dart
2018-05-28 15:23:47 -04:00

141 lines
3.5 KiB
Dart

// Copyright 2017 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.
/// This library exposes Dart Sass's Node.js API, imported as JavaScript, back
/// to Dart. This is kind of convoluted, but it allows us to test the API as it
/// will be used in the real world without having to manually write any JS.
import 'package:js/js.dart';
import 'package:path/path.dart' as p;
export 'package:sass/src/node/error.dart';
export 'package:sass/src/node/importer_result.dart';
export 'package:sass/src/node/render_context.dart';
export 'package:sass/src/node/render_options.dart';
export 'package:sass/src/node/render_result.dart';
import 'package:sass/src/node/fiber.dart';
import 'package:sass/src/node/render_options.dart';
import 'package:sass/src/node/render_result.dart';
/// The Sass module.
final sass = _requireSass(p.absolute("build/npm/sass.dart"));
/// The Fiber class.
final fiber = _requireFiber("fibers");
/// A `null` that's guaranteed to be represented by JavaScript's `undefined`
/// value, not by `null`.
@JS()
external Object get undefined;
/// A `null` that's guaranteed to be represented by JavaScript's `null` value,
/// not by `undefined`.
///
/// We have to use eval here because otherwise dart2js will inline the null
/// value and then optimize it away.
final Object jsNull = _eval("null");
@JS("eval")
external Object _eval(String js);
@JS("process.chdir")
external void chdir(String directory);
@JS("require")
external Sass _requireSass(String path);
@JS("require")
external FiberClass _requireFiber(String path);
@JS()
class Sass {
external RenderResult renderSync(RenderOptions args);
external void render(RenderOptions args,
void callback(RenderError error, RenderResult result));
external SassTypes get types;
}
@JS()
class RenderError {
external String get message;
external String get formatted;
external int get line;
external int get column;
external String get file;
external int get status;
}
@JS()
class SassTypes {
external NodeSassBooleanClass get Boolean;
external Function get Color;
external Function get List;
external Function get Map;
external NodeSassNullClass get Null;
external Function get Number;
external Function get String;
}
@JS()
class NodeSassBooleanClass implements Function {
external call();
external get TRUE;
external get FALSE;
}
@JS()
class NodeSassBoolean {
external bool getValue();
}
@JS()
class NodeSassColor {
external int getR();
external void setR(num value);
external int getG();
external void setG(num value);
external int getB();
external void setB(num value);
external num getA();
external void setA(num value);
}
@JS()
class NodeSassList {
external getValue(int index);
external void setValue(int index, value);
external bool getSeparator();
external void setSeparator(bool value);
external int getLength();
}
@JS()
class NodeSassMap {
external getValue(int index);
external void setValue(int index, value);
external getKey(int index);
external void setKey(int index, value);
external int getLength();
}
@JS()
class NodeSassNullClass implements Function {
external call();
external get NULL;
}
@JS()
class NodeSassNumber {
external num getValue();
external void setValue(int value);
external String getUnit();
external void setUnit(String unit);
}
@JS()
class NodeSassString {
external String getValue();
external void setValue(String value);
}