Method findTieOrigin

packages/alphatab/src/model/Note.ts:1161–1190

(note: Note)

    }

    public static findTieOrigin(note: Note): Note | null {
        let previousBeat: Beat | null = note.beat.previousBeat;
        // keep searching in same bar
        while (
            previousBeat &&
            previousBeat.voice.bar.index >= note.beat.voice.bar.index - Note._maxOffsetForSameLineSearch
        ) {
            if (note.isStringed) {
                const noteOnString: Note | null = previousBeat.getNoteOnString(note.string);
                if (noteOnString) {
                    return noteOnString;
                }
            } else {
                if (note.octave === -1 && note.tone === -1) {
                    // if the note has no value (e.g. alphaTex dash tie), we try to find a matching
                    // note on the previous beat by index.
                    if (note.index < previousBeat.notes.length) {
                        return previousBeat.notes[note.index];
                    }
                } else {
                    const noteWithValue: Note | null = previousBeat.getNoteWithRealValue(note.realValue);
                    if (noteWithValue) {
                        return noteWithValue;
                    }
                }
            }
            previousBeat = previousBeat.previousBeat;
        }
        return null;
    }

    private static _noteIdLookupKey = 'NoteIdLookup';