Avoid use of Buffer

1 files changed, 15 insertions, 5 deletions

diff --git a/lib/documents.js b/lib/documents.js
index 26c0ce7..9088ed9 100644
--- a/lib/documents.js
+++ b/lib/documents.js
@@ -151,12 +151,22 @@ function noteKey(noteType, id) {
 function Image(options) {
     return {
         type: types.image,
-        read: options.readImage,
-        readAsText: function(encoding) {
-            if (!encoding) {
-                throw new Error("Missing encoding argument");
+        // `read` is retained for backwards compatibility, but other read
+        // methods should be preferred.
+        read: function(encoding) {
+            if (encoding) {
+                return options.readImage(encoding);
+            } else {
+                return options.readImage().then(function(arrayBuffer) {
+                    return Buffer.from(arrayBuffer);
+                });
             }
-            return options.readImage(encoding);
+        },
+        readAsArrayBuffer: function() {
+            return options.readImage();
+        },
+        readAsBase64String: function() {
+            return options.readImage("base64");
         },
         altText: options.altText,
         contentType: options.contentType