node-id3 - npm Package Compare versions

Comparing version 0.1.13 to 0.1.14

example/test.js

@@ -26,6 +26,13 @@ const nodeID3 = require('../index.js')
     value: "ja moin3."
+  }],
+  private: [{
+    ownerIdentifier: "AbC",
+    data: "asdoahwdiohawdaw"
+  }, {
+    ownerIdentifier: "AbCSSS",
+    data: Buffer.from([0x01, 0x02, 0x05])
   }]
 }
 
-let success = nodeID3.write(tags, "./example/example.mp3");
+let success = nodeID3.write(tags, "./example/test.mp3");
 console.log(success);
@@ -76,3 +83,3 @@
 
-nodeID3.update({
+/*nodeID3.update({
   TXXX: [{
@@ -87,3 +94,3 @@ description: "testtt.",
   console.log(nodeID3.read("./example/example.mp3"))
-})
+})*/
 
@@ -90,0 +97,0 @@ /*console.log(nodeID3.update({

index.js

@@ -127,2 +127,8 @@ const fs = require('fs')
         name: "POPM"
+    },
+    private: {
+        create: "createPrivateFrame",
+        read: "readPrivateFrame",
+        name: "PRIV",
+        multiple: true
     }
@@ -1055,3 +1061,3 @@ }
     counterBuffer.writeUInt32BE(counter, 0)
-    
+
     buffer.writeUInt32BE(emailBuffer.length + ratingBuffer.length + counterBuffer.length, 4)
@@ -1080,3 +1086,5 @@ var frame = Buffer.concat([buffer, emailBuffer, ratingBuffer, counterBuffer])
                 let value = frame.slice(counterIndex, frame.length)
-                tags.counter = value.readUInt32BE()
+                if(value.length >= 4) {
+                    tags.counter = value.readUInt32BE()
+                }
             }
@@ -1086,2 +1094,67 @@ }
     return tags
+}
+
+/*
+**  private => object|array {
+**      ownerIdentifier:    string,
+**      data:   buffer|string
+**  }
+**/
+NodeID3.prototype.createPrivateFrame = function(private) {
+    if(private instanceof Array && private.length > 0) {
+        let frames = []
+        private.forEach(tag => {
+            let frame = createPrivateFrameHelper(tag)
+            if(frame) {
+                frames.push(frame)
+            }
+        })
+        return frames.length ? Buffer.concat(frames) : null
+    } else {
+        return createPrivateFrameHelper(private)
+    }
+}
+
+function createPrivateFrameHelper(private) {
+    if(!private || !private.ownerIdentifier || !private.data) {
+        return null;
+    }
+    let header = Buffer.alloc(10, 0)
+    header.write("PRIV")
+    let ownerIdentifier = Buffer.from(private.ownerIdentifier + "\0", "utf8")
+    let data
+    if(typeof(private.data) == "string") {
+        data = Buffer.from(private.data, "utf8")
+    } else {
+        data = private.data
+    }
+
+    header.writeUInt32BE(ownerIdentifier.length + data.length, 4)
+    return Buffer.concat([header, ownerIdentifier, data])
+}
+
+/*
+**  frame   => Buffer
+*/
+NodeID3.prototype.readPrivateFrame = function(frame) {
+    let tags = {}
+
+    if(!frame) {
+        return tags
+    }
+
+    let endOfOwnerIdentification = frame.indexOf(0x00)
+    if(endOfOwnerIdentification == -1) {
+        return tags
+    }
+
+    tags.ownerIdentifier = iconv.decode(frame.slice(0, endOfOwnerIdentification), "ISO-8859-1")
+
+    if(frame.length <= endOfOwnerIdentification + 1) {
+        return tags
+    }
+
+    tags.data = frame.slice(endOfOwnerIdentification + 1)
+
+    return tags
 }

package.json

 {
   "name": "node-id3",
-  "version": "0.1.13",
+  "version": "0.1.14",
   "description": "Pure JavaScript ID3 Tag writer/reader",
@@ -5,0 +5,0 @@ "author": "Jan Metzger <[e-mail]>",

README.md

@@ -150,3 +150,15 @@ # node-id3
   imageBuffer: (file buffer)
-}
+},
+popularimeter: {
+  email: "[e-mail]",
+  rating: 192,  // 1-255
+  counter: 12
+},
+private: [{
+  ownerIdentifier: "AbC",
+  data: "asdoahwdiohawdaw"
+}, {
+  ownerIdentifier: "AbCSSS",
+  data: Buffer.from([0x01, 0x02, 0x05])
+}]
 ```
@@ -199,2 +211,4 @@
 userDefinedText       "TXXX"
+popularimeter         "POPM"
+private               "PRIV"
 ```

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Found 1 instance in 1 package

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Improved metrics

Total package byte prevSize

63050

increased by40.89%

Number of package files

6

increased by20%

Lines of code

1426

increased by35.94%

Number of lines in readme file

212

increased by7.07%

No dependency changes