Add noisy returns

src/Fretboard.coffee

@@ -107,12 +107,13 @@ class @Fretboard
 
 		prevent = (e)->
 			e.preventDefault()
-			no
+			return false
 
 		update_pointer_position = (e)=>
 			offset = $canvas.offset()
 			@pointerX = e.pageX - offset.left
 			@pointerY = e.pageY - offset.top
+			return
 
 		$$.on "pointermove", update_pointer_position
 
@@ -124,13 +125,15 @@ class @Fretboard
 			prevent(e)
 			$canvas.focus()
 			$$.on "pointermove", prevent # make it so you don't select text in the textarea when dragging from the canvas
+			return
 
 		$$.on "pointerup blur", (e)=>
 			$$.off "pointermove", prevent # but let you drag other times
 			@pointerDown = off
 			@pointerOpen = off
 			@pointerBend = off
 			string.release() for string in @strings
+			return
 
 		# @TODO: pointercancel/blur/Esc
 
@@ -147,6 +150,7 @@ class @Fretboard
 		# @fret_scale = Math.sqrt(@canvas.width) * 50
 		@fret_scale = Math.min(Math.sqrt(@canvas.width) * 50, 2138)
 		# @x = OSW + Math.max(0, (@canvas.width - @w)/2) # to center it
+		return
 
 	draw: =>
 		ctx = @canvas.getContext("2d")
@@ -160,6 +164,7 @@ class @Fretboard
 			ctx.moveTo(x1, y1)
 			ctx.lineTo(x2, y2)
 			ctx.stroke()
+			return
 
 		drawBentLine = (x1, y1, x2, y2, controlPointXOffset, controlPointYOffset, ss, lw)=>
 			ctx.strokeStyle = ss if ss?
@@ -172,6 +177,7 @@ class @Fretboard
 				x2, y2
 			)
 			ctx.stroke()
+			return
 
 		drawVibratingString = (x1, y1, x2, y2, stringAmplitudeData, ss, lw)=>
 			amplitudeToPixels = 3
@@ -202,6 +208,7 @@ class @Fretboard
 
 				drawBentLine(x1, y1, x2, y2, 0, yBend, ss, lw)
 			ctx.restore()
+			return
 
 		drawFingerHoldOrOpenNote = (fretX, fretW, stringY, stringHeight, stringBendY=0)=>
 			ctx.beginPath()
@@ -217,6 +224,7 @@ class @Fretboard
 				ctx.fillRect(fretX + 5 - fretW, stringY - stringHeight/2, fretW - 5, stringHeight)
 			ctx.fillRect(fretX - 5, stringY - stringHeight/2, 10, stringHeight)
 			ctx.fill()
+			return
 
 		ctx.save()
 		ctx.translate(@x, @y)

src/GuitarString.coffee

@@ -17,6 +17,7 @@ class @GuitarString
 			@data = e.outputBuffer.getChannelData(0)
 			for i in [0..@data.length]
 				@data[i] = @getSampleData()
+			return
 		@script_processor.connect(pre)
 
 		@started = no

src/TablatureEditor.coffee

@@ -57,6 +57,8 @@ class @TablatureEditor
 					@positions.push column
 				last_column_had_digit = column_has_digit
 				column++
+
+			return
 
 		# The following is based on the default multi-selection block selection code:
 		# https://github.com/ajaxorg/ace/blob/master/lib/ace/mouse/multi_select_handler.js
@@ -116,6 +118,7 @@ class @TablatureEditor
 				rectSel.forEach(@editor.addSelectionMarker, @editor)
 				@editor.updateSelectionMarkers()
 				@editor.$blockScrolling--
+				return
 
 
 			@editor.$blockScrolling++
@@ -148,13 +151,15 @@ class @TablatureEditor
 				@editor.inVirtualSelectionMode = false
 				@editor.$mouseHandler.$clickSelection = null
 				@editor.$blockScrolling--
+				return
 
 			onSelectionInterval = blockSelect
 
 			event.capture(@editor.container, onMouseSelection, onMouseSelectionEnd)
 			timerId = setInterval(onSelectionInterval, 20)
 
-			return e.preventDefault()
+			e.preventDefault()
+			return
 
 	showPlayingNote: (pos, note)->
 		@removePlayingNote(pos, note)
@@ -165,11 +170,13 @@ class @TablatureEditor
 		range = new Range(note.s, column, note.s, column+1)
 		marker = @editor.getSession().addMarker(range, "playing-note", "text") # text?
 		@playing_note_highlight_markers[key] = marker
+		return
 
 	removePlayingNote: (pos, note)->
 		key = "#{note.s}:#{pos}"
 		existing_marker = @playing_note_highlight_markers[key]
 		@editor.getSession().removeMarker existing_marker if existing_marker
+		return
 
 	showPlaybackPosition: (pos)->
 		column = @positions[pos]
@@ -190,9 +197,11 @@ class @TablatureEditor
 		# delta_pageX = pageX_2 - pageX_1
 		# @editor.renderer.scrollToX column * delta_pageX
 		# @editor.renderer.scrollToX column * 7
+		return
 
 	hidePlaybackPosition: ->
 		for marker in @column_highlight_markers
 			@editor.getSession().removeMarker marker
 
 		@column_highlight_markers = []
+		return

src/app.coffee

@@ -5,6 +5,7 @@
 		@tuning = "eBGDAE" # backwards
 		@strings = ("#{string_name}|-" for string_name in @tuning)
 		@pos = 0
+		return
 
 	toJSON: -> @notes
 	toString: -> song.strings.join("\n")
@@ -25,6 +26,7 @@
 
 		if song.notes.length is 1
 			tablature_editor.showPlaybackPosition(song.pos)
+		return
 
 song.clear()
 
@@ -55,11 +57,13 @@ do update_scale_highlighting = ->
 	else
 		scale_notes = teoria.scale(scale_start, scale_name).notes()
 	scale_midi_values = (scale_note.midi() % 12 for scale_note in scale_notes)
+	return
 
 # disable_outside_scale = disable_outside_scale_checkbox.checked
 # disable_outside_scale_checkbox.onchange = (e)->
 # 	disable_outside_scale = e.target.checked
 # 	update_scale_highlighting()
+# 	return
 
 scale_select.addEventListener "change", update_scale_highlighting
 scale_start_select.addEventListener "change", update_scale_highlighting
@@ -85,32 +89,42 @@ tablature_presets_select.addEventListener "change", (e)->
 		load_tablature(tabs_text)
 	xhr.open "GET", path
 	xhr.send()
+	return
 
 
 @fretboard = new Fretboard()
 $(fretboard.canvas).appendTo(".fretboard-area")
 
 $tablature_error = $(".tablature-error")
-$tablature_error.dismiss = -> @hide().attr("aria-hidden", "true").text("")
-$tablature_error.message = (message)-> @show().attr("aria-hidden", "false").text(message)
+$tablature_error.dismiss = ->
+	@hide().attr("aria-hidden", "true").text("")
+	return
+$tablature_error.message = (message)->
+	@show().attr("aria-hidden", "false").text(message)
+	return
 
 tablature_editor = new TablatureEditor($(".tablature-editor")[0])
 tablature_editor.showPlaybackPosition(song.pos)
 
 undo_button.addEventListener "click", ->
 	tablature_editor.editor.undo()
+	return
 redo_button.addEventListener "click", ->
 	tablature_editor.editor.redo()
+	return
 
 do update_multi_row_selection_mode = ->
 	tablature_editor.multi_row_selection_mode = multi_row_selection_mode_input.checked
+	return
 multi_row_selection_mode_input.addEventListener "change", update_multi_row_selection_mode
 
 do update_overwrite_mode = ->
 	tablature_editor.editor.session.setOverwrite(overwrite_mode_input.checked)
+	return
 overwrite_mode_input.addEventListener "change", update_overwrite_mode
 tablature_editor.editor.session.on "changeOverwrite", ->
 	overwrite_mode_input.checked = tablature_editor.editor.session.getOverwrite()
+	return
 
 $theme = $(".theme")
 
@@ -127,11 +141,13 @@ for theme_name, theme of Fretboard.themes
 $theme.on "change", ->
 	fretboard.theme = Fretboard.themes[$theme.val()]
 	try localStorage.guitar_theme = $theme.val()
+	return
 
 
 do animate = =>
 	fretboard.draw()
 	requestAnimationFrame(animate)
+	return
 
 
 $$ = $(window)
@@ -141,6 +157,7 @@ $$.on "keyup", (e)->
 		sustain = off
 		for string in fretboard.strings
 			string.release()
+	return
 
 $$.on "keydown", (e)->
 	key = e.keyCode
@@ -188,6 +205,8 @@ $$.on "keydown", (e)->
 					$$.off "keyup", onkeyup
 
 					tablature_editor.showPlaybackPosition(song.pos)
+				return
+	return
 
 $$.on "blur", ->
 	string.stop() for string in fretboard.strings
@@ -198,6 +217,7 @@ $$.on "blur", ->
 tablature_editor.editor.on "blur", ->
 	text = tablature_editor.editor.getValue()
 	load_tablature(text)
+	return
 
 load_tablature = (text)->
 	if text isnt "#{song}" and text
@@ -224,3 +244,4 @@ load_tablature = (text)->
 			tablature_editor.showPlaybackPosition(song.pos)
 	else
 		$tablature_error.dismiss()
+	return

src/audio-setup.coffee

@@ -5,6 +5,7 @@ tuna = new Tuna(actx)
 connect = (nodes...)->
 	for node, i in nodes when next = nodes[i+1]
 		node.connect next.input ? next.destination ? next
+	return
 
 # # # # # # # # # # # #
 

src/tablature.coffee

@@ -34,6 +34,7 @@ parseTabs = (tablature)->
 			if current_block.tuning.toUpperCase() is tuning.toUpperCase()
 				current_block.tuning = tuning
 			current_block = null
+		return
 
 	for line in lines
 		if line.match(/[-–—]/)