Tracking meta source file for EXIF data.

src/save/meta.js

@@ -0,0 +1,24 @@
+'use strict';
+
+const exiftool = require('node-exiftool');
+const exiftoolBin = require('dist-exiftool');
+
+function saveMeta(filepath, meta, globalExifTool) {
+    const ep = globalExifTool || new exiftool.ExiftoolProcess(exiftoolBin);
+
+    return Promise.resolve().then(() => {
+        if(!globalExifTool) {
+            return ep.open();
+        }
+    }).then(() => {
+        return ep.writeMetadata(filepath, meta, ['overwrite_original']);
+    }).then(() => {
+        console.log('\x1b[36m%s\x1b[0m', `Wrote metadata to '${filepath}'`);
+    }).then(() => {
+        if(!globalExifTool) {
+            return ep.close();
+        }
+    });
+};
+
+module.exports = saveMeta;