exifreader - npm Package Compare versions

Comparing version 4.18.0 to 4.19.0

package.json

 {
   "name": "exifreader",
-  "version": "4.18.0",
+  "version": "4.19.0",
   "description": "Library that parses Exif metadata in images.",
@@ -65,3 +65,3 @@ "author": "Mattias Wallander <[e-mail]>",
     "test:all": "npm-run-all lint test:types coverage test:e2e test:build test:build:custom",
-    "pre-commit": "npm-run-all lint test:types test test:build",
+    "pre-commit": "npm-run-all lint test:types coverage test:build",
     "postinstall": "node bin/build.js --only-with-config",
@@ -73,3 +73,3 @@ "prepare": "husky install"
     "statements": 95,
-    "branches": 91,
+    "branches": 90,
     "functions": 98,
@@ -76,0 +76,0 @@ "lines": 95,

README.md

@@ -21,13 +21,15 @@ ExifReader
 
-| File type | Exif    | IPTC    | XMP     | ICC     | MPF     | Photoshop     | Thumbnail |
-| ----------|---------|---------|---------|---------|---------|---------------|-----------|
-| JPEG      | **yes** | **yes** | **yes** | **yes** | **yes** | **some*** | **yes**   |
-| TIFF      | **yes** | **yes** | **yes** | **yes** | ???     | ???           | no        |
-| PNG       | **yes** | no      | **yes** | no      | ???     | ???           | no        |
-| HEIC/HEIF | **yes** | no      | no      | **yes** | ???     | ???           | no        |
-| WebP      | **yes** | no      | **yes** | **yes** | ???     | ???           | **yes**   |
+| File type | Exif    | IPTC    | XMP     | ICC     | MPF     | Photoshop     | Thumbnail | Image details |
+| ----------|---------|---------|---------|---------|---------|---------------|-----------|---------------|
+| JPEG      | **yes** | **yes** | **yes** | **yes** | **yes** | **some*** | **yes**   | **yes**       |
+| TIFF      | **yes** | **yes** | **yes** | **yes** | ???     | ???           | no        | no            |
+| PNG       | **yes** | no      | **yes** | no      | ???     | ???           | no        | **yes**       |
+| HEIC/HEIF | **yes** | no      | no      | **yes** | ???     | ???           | no        | no            |
+| WebP      | **yes** | no      | **yes** | **yes** | ???     | ???           | **yes**   | **yes**       |
+| GIF       | no      | no      | no      | no      | no      | no            | no        | **yes**       |
 
-- ??? = may be supported in any file type using Exif but it has only been tested
+- `Image details` = image width, height, etc. read from image header.
+- `???` = may be supported in any file type using Exif but it has only been tested
     on JPEGs.
-- * = A draft implementation of Photoshop tags have been added with
+- `*` = A draft implementation of Photoshop tags have been added with
     `ClippingPathName` and `PathInformation` currently supported. Photoshop tags
@@ -416,2 +418,3 @@ are very different from other tags and need a lot of extra code so they have
 | `webp`      | WebP images.                                                   |
+| `gif`       | GIF images.                                                    |
 | `file`      | JPEG file details: image width, height etc.                    |
@@ -521,2 +524,5 @@ | `jfif`      | JFIF details in JPEG files: resolution, thumbnail etc.         |
 
+-   **December 2023**:
+    -   Add support for extracting Photoshop paths.
+    -   Add basic support for GIF images (image dimensions, bit depths).
 -   **December 2022**:
@@ -523,0 +529,0 @@ -   Add option `length` to only read the first `length` bytes of the file.

src/constants.js

@@ -20,3 +20,4 @@ /* This Source Code Form is subject to the terms of the Mozilla Public
     USE_HEIC: true,
-    USE_WEBP: true
+    USE_WEBP: true,
+    USE_GIF: true
 };

src/exif-reader.js

@@ -29,2 +29,3 @@ /**
 import Vp8xTags from './vp8x-tags.js';
+import GifFileTags from './gif-file-tags.js';
 import Thumbnail from './thumbnail.js';
@@ -215,2 +216,3 @@ import exifErrors from './errors.js';
         vp8xChunkOffset,
+        gifHeaderOffset
     } = ImageHeader.parseAppMarkers(dataView);
@@ -382,2 +384,12 @@
 
+    if (Constants.USE_GIF && hasGifFileData(gifHeaderOffset)) {
+        foundMetaData = true;
+        const readTags = GifFileTags.read(dataView, gifHeaderOffset);
+        if (expanded) {
+            tags.gif = !tags.gif ? readTags : objectAssign({}, tags.gif, readTags);
+        } else {
+            tags = objectAssign({}, tags, readTags);
+        }
+    }
+
     const thumbnail = (Constants.USE_JPEG || Constants.USE_WEBP)
@@ -495,1 +507,5 @@ && Constants.USE_EXIF
 }
+
+function hasGifFileData(gifHeaderOffset) {
+    return gifHeaderOffset !== undefined;
+}

src/image-header.js

@@ -11,2 +11,3 @@ /* This Source Code Form is subject to the terms of the Mozilla Public
 import Webp from './image-header-webp.js';
+import Gif from './image-header-gif.js';
 import {objectAssign} from './utils.js';
@@ -39,2 +40,6 @@
 
+    if (Constants.USE_GIF && Gif.isGifFile(dataView)) {
+        return addFileType(Gif.findOffsets(dataView), 'gif', 'GIF');
+    }
+
     throw new Error('Invalid image format');
@@ -41,0 +46,0 @@ }

webpack.config.js

@@ -84,3 +84,3 @@ /* This Source Code Form is subject to the terms of the Mozilla Public
             {
-                test: /\/(exif-reader|image-header-?(tiff|jpeg|png|heic|webp)?|tags|tag-names)\.js$/,
+                test: /\/(exif-reader|image-header-?(tiff|jpeg|png|heic|webp|gif)?|tags|tag-names)\.js$/,
                 loader: 'string-replace-loader',
@@ -110,3 +110,4 @@ options: {
         'heic',
-        'webp'
+        'webp',
+        'gif'
     ];
@@ -113,0 +114,0 @@

No alert changes

Improved metrics

Total package byte prevSize

702010

increased by1.71%

Number of package files

57

increased by3.64%

Lines of code

7441

increased by1.86%

Number of lines in readme file

599

increased by1.01%

No dependency changes