Cleanup

Author: donny-dont

lib/src/utils.dart

@@ -2,9 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'dart:async';
 import 'dart:convert';
-import 'dart:typed_data';
 
 import 'package:collection/collection.dart';
 
@@ -29,107 +27,13 @@ Map<K, V> updateMap<K, V>(Map<K, V> original, Map<K, V> updates) {
 ///     //=> "foo=bar&baz=bang"
 String mapToQuery(Map<String, String> map, {Encoding encoding}) {
   var pairs = <List<String>>[];
-  map.forEach((key, value) =>
-      pairs.add([Uri.encodeQueryComponent(key, encoding: encoding),
-                 Uri.encodeQueryComponent(value, encoding: encoding)]));
+  map.forEach((key, value) => pairs.add([
+        Uri.encodeQueryComponent(key, encoding: encoding),
+        Uri.encodeQueryComponent(value, encoding: encoding)
+      ]));
   return pairs.map((pair) => "${pair[0]}=${pair[1]}").join("&");
 }
 
-/// Like [String.split], but only splits on the first occurrence of the pattern.
-/// This will always return an array of two elements or fewer.
-///
-///     split1("foo,bar,baz", ","); //=> ["foo", "bar,baz"]
-///     split1("foo", ","); //=> ["foo"]
-///     split1("", ","); //=> []
-List<String> split1(String toSplit, String pattern) {
-  if (toSplit.isEmpty) return <String>[];
-
-  var index = toSplit.indexOf(pattern);
-  if (index == -1) return [toSplit];
-  return [
-    toSplit.substring(0, index),
-    toSplit.substring(index + pattern.length)
-  ];
-}
-
-
-/// A regular expression that matches strings that are composed entirely of
-/// ASCII-compatible characters.
-final RegExp _ASCII_ONLY = new RegExp(r"^[\x00-\x7F]+$");
-
-/// Returns whether [string] is composed entirely of ASCII-compatible
-/// characters.
-bool isPlainAscii(String string) => _ASCII_ONLY.hasMatch(string);
-
-/// Converts [input] into a [Uint8List].
-///
-/// If [input] is a [TypedData], this just returns a view on [input].
-Uint8List toUint8List(List<int> input) {
-  if (input is Uint8List) return input;
-  if (input is TypedData) {
-    // TODO(nweiz): remove "as" when issue 11080 is fixed.
-    return new Uint8List.view((input as TypedData).buffer);
-  }
-  return new Uint8List.fromList(input);
-}
-
-/// Calls [onDone] once [stream] (a single-subscription [Stream]) is finished.
-/// The return value, also a single-subscription [Stream] should be used in
-/// place of [stream] after calling this method.
-Stream<T> onDone<T>(Stream<T> stream, void onDone()) =>
-    stream.transform(new StreamTransformer.fromHandlers(handleDone: (sink) {
-      sink.close();
-      onDone();
-    }));
-
-// TODO(nweiz): remove this when issue 7786 is fixed.
-/// Pipes all data and errors from [stream] into [sink]. When [stream] is done,
-/// [sink] is closed and the returned [Future] is completed.
-Future store(Stream stream, EventSink sink) {
-  var completer = new Completer();
-  stream.listen(sink.add,
-      onError: sink.addError,
-      onDone: () {
-        sink.close();
-        completer.complete();
-      });
-  return completer.future;
-}
-
-/// Pipes all data and errors from [stream] into [sink]. Completes [Future] once
-/// [stream] is done. Unlike [store], [sink] remains open after [stream] is
-/// done.
-Future writeStreamToSink(Stream stream, EventSink sink) {
-  var completer = new Completer();
-  stream.listen(sink.add,
-      onError: sink.addError,
-      onDone: () => completer.complete());
-  return completer.future;
-}
-
-/// A pair of values.
-class Pair<E, F> {
-  E first;
-  F last;
-
-  Pair(this.first, this.last);
-
-  String toString() => '($first, $last)';
-
-  bool operator==(other) {
-    if (other is! Pair) return false;
-    return other.first == first && other.last == last;
-  }
-
-  int get hashCode => first.hashCode ^ last.hashCode;
-}
-
-/// Configures [future] so that its result (success or exception) is passed on
-/// to [completer].
-void chainToCompleter(Future future, Completer completer) {
-  future.then(completer.complete, onError: completer.completeError);
-}
-
 /// Returns the header with the given [name] in [headers].
 ///
 /// This works even if [headers] is `null`, or if it's not yet a