♻️ readSsnFile now reads all file entries

src/interfaces/ISsnFileEntry.ts

@@ -0,0 +1,29 @@
+enum SsnDiffType {
+  /** We included the original file contents, not just the differences, because file is new or it's in a format that's not suitable for diffing. */
+  NewFile = 0,
+  /** File is not included in the .zip archive because it has been deleted. */
+  Deleted = 1,
+  /** File has changed and we include the differences, encoded in vcdiff/xdelta3 */
+  Changed = 2,
+  /** File is not included in the .zip archive because it hasn't changed */
+  Unchanged = 3,
+}
+
+interface ISsnFileEntry {
+  /** CRC-32 checksum of this file. */
+  crc: number;
+  /** If we only store the differences, the size of the destination file. */
+  diffDestLength: number;
+  /** If we only store the differences, the size of the source file. */
+  diffSourceLength: number;
+  /** Whether this file was changed or not, or whether it was newly added or deleted. */
+  diffType: SsnDiffType;
+  /** The date and time when this file was last modified. */
+  lastMod: Date;
+  /** File name */
+  name: string;
+  /** Uncompressed size */
+  size: number;
+}
+
+export default ISsnFileEntry;