Function processHunk

src/core/tools/apply-patch/apply.ts:151–184

(
	hunk: Hunk,
	readFile: (path: string) => Promise<string>,
)

 * @returns The file change result
 */
export async function processHunk(
	hunk: Hunk,
	readFile: (path: string) => Promise<string>,
): Promise<ApplyPatchFileChange> {
	switch (hunk.type) {
		case "AddFile":
			return {
				type: "add",
				path: hunk.path,
				newContent: hunk.contents,
			}

		case "DeleteFile": {
			const content = await readFile(hunk.path)
			return {
				type: "delete",
				path: hunk.path,
				originalContent: content,
			}
		}

		case "UpdateFile": {
			const originalContent = await readFile(hunk.path)
			const newContent = applyChunksToContent(originalContent, hunk.path, hunk.chunks)
			return {
				type: "update",
				path: hunk.path,
				movePath: hunk.movePath ?? undefined,
				originalContent,
				newContent,
			}
		}
	}
}

/**
 * Process all hunks in a patch.