build tutorial

docs/dist/tonal.js

@@ -18,7 +18,8 @@ export function intervalDirection(from, to, direction = 1) {
 }
 function scaleTranspose(scale, offset, note) {
   let [tonic, scaleName] = Scale.tokenize(scale);
-  const {notes} = Scale.get(`${tonic} ${scaleName}`);
+  let {notes} = Scale.get(`${tonic} ${scaleName}`);
+  notes = notes.map((note2) => Note.get(note2).pc);
   offset = Number(offset);
   if (isNaN(offset)) {
     throw new Error(`scale offset "${offset}" not a number`);
@@ -64,7 +65,16 @@ Pattern.prototype._scaleTranspose = function(offset) {
   });
 };
 Pattern.prototype._scale = function(scale) {
-  return this._mapNotes((value) => ({...value, scale}));
+  return this._mapNotes((value) => {
+    let note = value.value;
+    const asNumber = Number(note);
+    if (!isNaN(asNumber)) {
+      let [tonic, scaleName] = Scale.tokenize(scale);
+      const {pc, oct = 3} = Note.get(tonic);
+      note = scaleTranspose(pc + " " + scaleName, asNumber, pc + oct);
+    }
+    return {...value, value: note, scale};
+  });
 };
 Pattern.prototype.define("transpose", (a, pat) => pat.transpose(a), {composable: true, patternified: true});
 Pattern.prototype.define("scale", (a, pat) => pat.scale(a), {composable: true, patternified: true});

docs/dist/voicings.js

@@ -22,16 +22,14 @@ Pattern.prototype.voicings = function(range) {
     return stack(...lastVoicing);
   });
 };
-Pattern.prototype.chordBass = function() {
+Pattern.prototype.rootNotes = function(octave = 2) {
   return this._mapNotes((value) => {
-    console.log("value", value);
-    const [_, root] = value.value.match(/^([a-gC-G])[b#]?.*$/);
-    const bassNote = root + "2";
+    const [_, root] = value.value.match(/^([a-gA-G])[b#]?.*$/);
+    const bassNote = root + octave;
     return {...value, value: bassNote};
   });
 };
 Pattern.prototype.define("voicings", (range, pat) => pat.voicings(range), {composable: true});
-Pattern.prototype.define("chordBass", (pat) => {
-  console.log("call chordBass ...", pat);
-  return pat.chordBass();
+Pattern.prototype.define("rootNotes", (pat) => {
+  return pat.rootNotes();
 }, {composable: true});