From afd22997a52b7db371955b65516131f7ded33243 Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Fri, 24 Feb 2017 14:15:20 -0800
Subject: [PATCH] Remove legacy fields from Hunk

We'll remove usages of these in TextBuffer
---
 src/bindings/em/patch.cc      |  7 -------
 src/bindings/patch-wrapper.cc | 18 ------------------
 test/js/patch.test.js         | 12 ------------
 3 files changed, 37 deletions(-)

diff --git a/src/bindings/em/patch.cc b/src/bindings/em/patch.cc
index ff10d027..5a94f9f2 100644
--- a/src/bindings/em/patch.cc
+++ b/src/bindings/em/patch.cc
@@ -96,13 +96,6 @@ EMSCRIPTEN_BINDINGS(Patch) {
         .field("oldText", WRAP_FIELD(Patch::Hunk, old_text))
         .field("newText", WRAP_FIELD(Patch::Hunk, new_text))
 
-        // The following fields are legacy only (most notably, TextBuffer doesn't work without them)
-
-        .field("start", WRAP_FIELD(Patch::Hunk, new_start))
-
-        .field("oldExtent", WRAP(&get_old_extent), WRAP(&hunk_set_noop<Point>))
-        .field("newExtent", WRAP(&get_new_extent), WRAP(&hunk_set_noop<Point>))
-
         ;
 
 }
diff --git a/src/bindings/patch-wrapper.cc b/src/bindings/patch-wrapper.cc
index 189c0edb..50bc112c 100644
--- a/src/bindings/patch-wrapper.cc
+++ b/src/bindings/patch-wrapper.cc
@@ -47,14 +47,6 @@ class HunkWrapper : public Nan::ObjectWrap {
     Nan::SetAccessor(instance_template, Nan::New("oldEnd").ToLocalChecked(), get_old_end);
     Nan::SetAccessor(instance_template, Nan::New("newEnd").ToLocalChecked(), get_new_end);
 
-    // Non-enumerable legacy properties for backward compatibility
-    Nan::SetAccessor(instance_template, Nan::New("start").ToLocalChecked(), get_new_start, nullptr, Handle<Value>(),
-                     AccessControl::DEFAULT, PropertyAttribute::DontEnum);
-    Nan::SetAccessor(instance_template, Nan::New("oldExtent").ToLocalChecked(), get_old_extent, nullptr, Handle<Value>(),
-                     AccessControl::DEFAULT, PropertyAttribute::DontEnum);
-    Nan::SetAccessor(instance_template, Nan::New("newExtent").ToLocalChecked(), get_new_extent, nullptr, Handle<Value>(),
-                     AccessControl::DEFAULT, PropertyAttribute::DontEnum);
-
     const auto &prototype_template = constructor_template->PrototypeTemplate();
     prototype_template->Set(Nan::New<String>("toString").ToLocalChecked(), Nan::New<FunctionTemplate>(to_string));
     hunk_wrapper_constructor.Reset(constructor_template->GetFunction());
@@ -101,16 +93,6 @@ class HunkWrapper : public Nan::ObjectWrap {
     info.GetReturnValue().Set(PointWrapper::from_point(hunk.new_end));
   }
 
-  static void get_old_extent(v8::Local<v8::String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
-    Patch::Hunk &hunk = Nan::ObjectWrap::Unwrap<HunkWrapper>(info.This())->hunk;
-    info.GetReturnValue().Set(PointWrapper::from_point(hunk.old_end.traversal(hunk.old_start)));
-  }
-
-  static void get_new_extent(v8::Local<v8::String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
-    Patch::Hunk &hunk = Nan::ObjectWrap::Unwrap<HunkWrapper>(info.This())->hunk;
-    info.GetReturnValue().Set(PointWrapper::from_point(hunk.new_end.traversal(hunk.new_start)));
-  }
-
   static void to_string(const Nan::FunctionCallbackInfo<Value> &info) {
     Patch::Hunk &hunk = Nan::ObjectWrap::Unwrap<HunkWrapper>(info.This())->hunk;
     std::stringstream result;
diff --git a/test/js/patch.test.js b/test/js/patch.test.js
index 218d146a..ceecd9ef 100644
--- a/test/js/patch.test.js
+++ b/test/js/patch.test.js
@@ -34,18 +34,6 @@ describe('Patch', function () {
     patch.delete();
   })
 
-  it('expose legacy fields', function () {
-    const patch = new Patch({ mergeAdjacentHunks: false })
-
-    patch.splice({row: 0, column: 10}, {row: 0, column: 0}, {row: 1, column: 5})
-    patch.splice({row: 1, column: 5}, {row: 0, column: 2}, {row: 0, column: 8})
-
-    const hunk = patch.getHunks()[0];
-
-    assert.ok(hunk.oldExtent);
-    assert.ok(hunk.newExtent);
-  })
-
   it('honors the mergeAdjacentHunks option set to true', function () {
     const patch = new Patch({ mergeAdjacentHunks: true })