From 2b87c2e4a31f80c467af1c5db0e9da3a6e1e508d Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 28 May 2023 11:44:46 +0100
Subject: Introduce readAsText() on Image

---
 lib/documents.js | 6 ++++++
 lib/images.js    | 2 +-
 lib/index.d.ts   | 1 +
 3 files changed, 8 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/documents.js b/lib/documents.js
index 67e98af..26c0ce7 100644
--- a/lib/documents.js
+++ b/lib/documents.js
@@ -152,6 +152,12 @@ function Image(options) {
     return {
         type: types.image,
         read: options.readImage,
+        readAsText: function(encoding) {
+            if (!encoding) {
+                throw new Error("Missing encoding argument");
+            }
+            return options.readImage(encoding);
+        },
         altText: options.altText,
         contentType: options.contentType
     };
diff --git a/lib/images.js b/lib/images.js
index fc45115..07cfc2d 100644
--- a/lib/images.js
+++ b/lib/images.js
@@ -23,7 +23,7 @@ function imgElement(func) {
 exports.inline = exports.imgElement;
 
 exports.dataUri = imgElement(function(element) {
-    return element.read("base64").then(function(imageBuffer) {
+    return element.readAsText("base64").then(function(imageBuffer) {
         return {
             src: "data:" + element.contentType + ";base64," + imageBuffer
         };
diff --git a/lib/index.d.ts b/lib/index.d.ts
index d62aea9..9666a9e 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -39,6 +39,7 @@ interface ImageConverter {
 
 interface Image {
     contentType: string;
+    readAsText: (encoding: string) => Promise<string>;
     read: ImageRead;
 }
 
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