54         const timescale = globals.frontendLocalState.timeScale;
82     const timeScale = globals.frontendLocalState.timeScale;  constant
88     for (const xAndTime of gridlines(size.width, range, timeScale)) {
99       if ((note.noteType !== 'AREA' && !timeScale.timeInBounds(timestamp)) ||
101            !timeScale.timeInBounds(globals.state.areas[note.areaId].endSec) &&
102            !timeScale.timeInBounds(
114       const x = timeScale.timeToPx(timestamp);
123             Math.floor(timeScale.timeToPx(area.endSec) + TRACK_SHELL_WIDTH),
149       const timestamp = timeScale.pxToTime(this.hoveredX);
150       if (timeScale.timeInBounds(timestamp)) {
152         const x = timeScale.timeToPx(timestamp);
167     if (x >= globals.frontendLocalState.timeScale.startPx + TRACK_SHELL_WIDTH) {
188         x, globals.frontendLocalState.timeScale.startPx + TRACK_SHELL_WIDTH);
222     const timeScale = globals.frontendLocalState.timeScale;  constant
223     const timestamp = timeScale.pxToTime(x);
246     const timeScale = globals.frontendLocalState.timeScale;  constant
247     const noteX = timeScale.timeToPx(getStartTimestamp(note));
251           (timeScale.timeToPx(noteArea.endSec) > x &&
252            x > timeScale.timeToPx(noteArea.endSec) - AREA_TRIANGLE_WIDTH);