Add Heartwood translation layer for file diffs

Co-authored-by: xphoniex <dj.2dixx@gmail.com>
Signed-off-by: Rūdolfs Ošiņš <rudolfs@osins.org>

src/lib/diff.ts

@@ -1,10 +1,10 @@
 export const lineNumberR = (line: LineDiff): string | number => {
   switch (line.type) {
     case LineDiffType.Addition: {
-      return line.lineNum;
+      return line.lineNo;
     }
     case LineDiffType.Context: {
-      return line.lineNumNew;
+      return line.lineNoNew;
     }
     case LineDiffType.Deletion: {
       return " ";
@@ -18,10 +18,10 @@ export const lineNumberL = (line: LineDiff): string | number => {
       return " ";
     }
     case LineDiffType.Context: {
-      return line.lineNumOld;
+      return line.lineNoOld;
     }
     case LineDiffType.Deletion: {
-      return line.lineNum;
+      return line.lineNo;
     }
   }
 };
@@ -41,7 +41,7 @@ export const lineSign = (line: LineDiff): string => {
 };
 
 export enum LineDiffType {
-  Addition = "addition",
+  Addition = "insertion",
   Context = "context",
   Deletion = "deletion",
 }
@@ -49,20 +49,20 @@ export enum LineDiffType {
 export interface Addition {
   type: LineDiffType.Addition;
   line: string;
-  lineNum: number;
+  lineNo: number;
 }
 
 export interface Context {
   type: LineDiffType.Context;
   line: string;
-  lineNumNew: number;
-  lineNumOld: number;
+  lineNoNew: number;
+  lineNoOld: number;
 }
 
 export interface Deletion {
   type: LineDiffType.Deletion;
   line: string;
-  lineNum: number;
+  lineNo: number;
 }
 
 export type LineDiff = Addition | Deletion | Context;
@@ -84,13 +84,18 @@ export interface Hunk {
 }
 
 export interface Diff {
-  created: FileDiff[];
+  added: FileDiff[];
   deleted: FileDiff[];
   moved: string[];
   copied: string[];
   modified: FileDiff[];
 }
 
+export interface DiffStats {
+  insertions: number;
+  deletions: number;
+}
+
 export enum EofNewLine {
   OldMissing = "oldMissing",
   NewMissing = "newMissing",