midi-segmentizer - npm Package Compare versions

Comparing version 2.0.1 to 2.1.0

dist/helpers.d.ts

@@ -6,2 +6,3 @@ import { Midi, Track } from "@tonejs/midi";
 export declare const getValidTracks: (midi: Midi) => Track[];
+export declare const shiftMidi: (midi: Midi, amount: number) => void;
 export declare const getSimplePartitioningArray: (arr: number[]) => number[];
@@ -8,0 +9,0 @@ export declare const getPartitioningArrayWithMax: (arr: number[], max: number) => number[];

dist/helpers.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.processMidiFile = exports.base64ToBinary = exports.getDurationOfNotes = exports.getBeatLength = exports.sliceAndDice = exports.getPartitioningArrayWithMax = exports.getSimplePartitioningArray = exports.getValidTracks = exports.MAX_BREATH_SECONDS = void 0;
+exports.processMidiFile = exports.base64ToBinary = exports.getDurationOfNotes = exports.getBeatLength = exports.sliceAndDice = exports.getPartitioningArrayWithMax = exports.getSimplePartitioningArray = exports.shiftMidi = exports.getValidTracks = exports.MAX_BREATH_SECONDS = void 0;
 const notes_processor_1 = require("./notes-processor");
@@ -10,2 +10,10 @@ exports.MAX_BREATH_SECONDS = 7;
 exports.getValidTracks = getValidTracks;
+const shiftMidi = (midi, amount) => {
+    for (const track of midi.tracks) {
+        for (const note of track.notes) {
+            note.time += amount;
+        }
+    }
+};
+exports.shiftMidi = shiftMidi;
 const getSimplePartitioningArray = (arr) => {
@@ -52,4 +60,6 @@ return arr
 const processMidiFile = (midi) => {
+    const beatLength = (0, exports.getBeatLength)(midi.simpleBpm);
+    const shift = beatLength * 2;
+    (0, exports.shiftMidi)(midi, shift);
     const tracks = (0, exports.getValidTracks)(midi);
-    const beatLength = (0, exports.getBeatLength)(midi.simpleBpm);
     const segmentInfos = [];
@@ -64,3 +74,4 @@ // segmentize
             const firstNoteStartTime = notes[0].time;
-            const offset = firstNoteStartTime - (firstNoteStartTime % beatLength);
+            const minimumOffset = firstNoteStartTime - (firstNoteStartTime % beatLength);
+            const offset = minimumOffset - shift;
             let lowestNote = Infinity;
@@ -67,0 +78,0 @@ let highestNote = -Infinity;

package.json

 {
   "name": "midi-segmentizer",
-  "version": "2.0.1",
+  "version": "2.1.0",
   "description": "break a simple midi file into monophonic segments",
@@ -5,0 +5,0 @@ "main": "dist/index.js",

src/helpers.ts

@@ -16,2 +16,10 @@ import { Midi, Track } from "@tonejs/midi";
 
+export const shiftMidi = (midi: Midi, amount: number) => {
+  for (const track of midi.tracks) {
+    for (const note of track.notes) {
+      note.time += amount;
+    }
+  }
+};
+
 export const getSimplePartitioningArray = (arr: number[]): number[] => {
@@ -65,4 +73,7 @@ return arr
 export const processMidiFile = (midi: SimpleMidi): Segment[] => {
+  const beatLength = getBeatLength(midi.simpleBpm);
+  const shift = beatLength * 2;
+  shiftMidi(midi, shift);
+
   const tracks: Track[] = getValidTracks(midi);
-  const beatLength = getBeatLength(midi.simpleBpm);
   const segmentInfos: Segment[] = [];
@@ -86,3 +97,5 @@
       const firstNoteStartTime = notes[0].time;
-      const offset = firstNoteStartTime - (firstNoteStartTime % beatLength);
+      const minimumOffset =
+        firstNoteStartTime - (firstNoteStartTime % beatLength);
+      const offset = minimumOffset - shift;
 
@@ -89,0 +102,0 @@ let lowestNote = Infinity;

No alert changes

Improved metrics

Total package byte prevSize

80709

0.9%

Lines of code

1124

2.18%

No dependency changes