1 files changed, 20 insertions, 1 deletions
diff --git a/packages/server/src/git/diff.ts b/packages/server/src/git/diff.ts
index 2e88609..d3b788c 100644
--- a/packages/server/src/git/diff.ts
+++ b/packages/server/src/git/diff.ts
@@ -7,18 +7,32 @@ type PatchHeaderData = {
 	last: number | null
 }
 
+/**
+ * A representation of a diff
+ */
 export class Diff {
 	private _ng_diff: NodeGitDiff;
 
+	/**
+	 * @param diff A Nodegit diff
+	 */
 	constructor(diff: NodeGitDiff) {
 		this._ng_diff = diff;
 	}
 
+	/**
+	 * Returns all of the diff's patches in a raw format
+	 */
 	public async rawPatches(): Promise<string> {
 		return String(await this._ng_diff.toBuf(1));
 	}
 
-	public async patchHeaderData(): Promise<PatchHeaderData> {
+	/**
+	 * Returns information about patch headers
+	 *
+	 * @returns The indexes and lengths of patch headers
+	 */
+	public async patchHeaderData(): Promise<Omit<PatchHeaderData, "last">> {
 		const raw_patches = (await this.rawPatches()).split("\n");
 		const patch_headers = String(await this._ng_diff.toBuf(2)).split("\n");
 
@@ -42,6 +56,11 @@ export class Diff {
 		}, <PatchHeaderData>{ indexes: [], lengths: [], last: null });
 	}
 
+	/**
+	 * Returns the diff's patches
+	 *
+	 * @returns An array of patch instances
+	 */
 	public async patches(): Promise<Patch[]> {
 		return (await this._ng_diff.patches()).map((patch, index) => new Patch(this, patch, index));
 	}