1 files changed, 8 insertions, 0 deletions
diff --git a/utils/chunk.js b/utils/chunk.js
index e84bbd6..ff56bee 100644
--- a/utils/chunk.js
+++ b/utils/chunk.js
@@ -116,6 +116,14 @@ ChunkUtils.prototype.getFile = function(pos) {
     return fs.openSync(tempPath, "r+");
 }
 
+ChunkUtils.prototype.checkChunkExist = function(pos) {
+	let tempFile = this.getFile(pos);
+	let tempResult = this.findChunkInFile(tempFile, pos);
+	let res = (tempResult.index >= 0);
+	fs.closeSync(tempFile);
+	return res;
+}
+
 // pos must be aligned to chunk boundaries.
 ChunkUtils.prototype.loadChunk = function(pos) {
     var tempFile = this.getFile(pos);