Each language port of Diff Match Patch uses the same API. These are the language-specific notes regarding Dart.
Dart can either be run in the Dart VM, or it may be compiled to JavaScript. Note that in the latter case, there's already a version of this library natively written in JavaScript.
Here's a minimal example of a diff in Dart:
import 'DiffMatchPatch.dart';
void main() {
DiffMatchPatch dmp = new DiffMatchPatch();
List<Diff> d = dmp.diff_main('Hello World.', 'Goodbye World.');
// Result: [(-1, "Hell"), (1, "G"), (0, "o"), (1, "odbye"), (0, " World.")]
dmp.diff_cleanupSemantic(d);
// Result: [(-1, "Hello"), (1, "Goodbye"), (0, " World.")]
print(d);
}
Go to the dart directory and save the above program as hello.dart. Then execute dart hello.dart.
Unit tests can be performed from the dart/tests directory by executing dart DiffMatchPatchTest.dart. All tests should pass.
Speed test for diff can be performed from the dart/tests directory by executing dart SpeedtestVM.dart.
Alternatively, the speed test can be compiled to JavaScript. Go to the dart/tests directory and execute dart2js -O4 --out=Speedtest.dart.js Speedtest.dart, then open dart/tests/Speedtest.html in a browser.
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