midifile-ts - npm Package Compare versions

Comparing version 1.0.1 to 1.0.2

package.json

 {
   "name": "midifile-ts",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "",
@@ -5,0 +5,0 @@ "main": "dist/index.js",

src/buffer.ts

@@ -38,7 +38,8 @@ import toCharCodes from "./toCharCodes"
     this.writeStr(id)
-    this.writeInt32(0) // dummy chunk size
-    const start = this.length
-    func(this) // write chunk contents
-    const size = this.length - start
-    this.writeInt32(size) // write chunk size
+    
+    const chunkBuf = new Buffer()
+    func(chunkBuf)
+
+    this.writeInt32(chunkBuf.length)
+    this.writeBytes(chunkBuf.data)
   }
@@ -45,0 +46,0 @@

src/stream.ts

@@ -1,2 +0,2 @@
-export type StreamSource = DataView | number[] | ArrayBuffer | Buffer
+export type StreamSource = DataView | number[] | ArrayBuffer | Buffer | Uint8Array
 
@@ -17,2 +17,6 @@ /* Wrapper for accessing strings through sequential reads */
       this.buf = new DataView(new Uint8Array(buf).buffer)
+    } else if (buf instanceof Uint8Array) {
+      this.buf = new DataView(buf.buffer)
+    } else {
+      throw new Error("not supported type: " + (typeof buf))
     }
@@ -19,0 +23,0 @@ }

src/write.test.ts

 import assert from "assert"
 import write from "./write"
+import read from "./read"
+import fs from "fs"
 
@@ -9,2 +11,9 @@ describe("reader", () => {
   })
+  it("read and write back", () => {
+    const data = fs.readFileSync("./fixtures/tracks.mid")
+    const midiA = read(data)
+    const bytes = write(midiA.tracks, midiA.header.ticksPerBeat)
+    const midiB = read(bytes)
+    assert.equal(midiA.tracks.length, midiB.tracks.length)
+  })
 })

No alert changes

Improved metrics

Total package byte prevSize

144926

increased by0.3%

Lines of code

2346

increased by0.51%

No dependency changes