fix: floating point rounding fixes

src/js/utils/draw.js

@@ -1,5 +1,5 @@
 import { getBarHeightAndYAttr, truncateString, shortenLargeNumber, getSplineCurvePointsStr } from './draw-utils';
-import { getStringWidth, isValidNumber } from './helpers';
+import { getStringWidth, isValidNumber, round } from './helpers';
 import { DOT_OVERLAY_SIZE_INCR } from './constants';
 
 export const AXIS_TICK_LENGTH = 6;
@@ -389,6 +389,8 @@ export function yLine(y, label, width, options={}) {
 	x1 += options.offset;
 	x2 += options.offset;
 
+	if (typeof label === "number") label = round(label);
+
 	return makeHoriLine(y, label, x1, x2, {
 		className: options.className,
 		lineType: options.lineType,

src/js/utils/helpers.js

@@ -98,7 +98,7 @@ export function getPositionByAngle(angle, radius) {
  * @param {object} candidate Candidate to test
  * @param {Boolean} nonNegative flag to treat negative number as invalid
  */
-export function isValidNumber(candidate, nonNegative=false) {
+export function isValidNumber(candidate, nonNegative = false) {
 	if (Number.isNaN(candidate)) return false;
 	else if (candidate === undefined) return false;
 	else if (!Number.isFinite(candidate)) return false;
@@ -115,3 +115,12 @@ export function round(d) {
 	// https://www.jacklmoore.com/notes/rounding-in-javascript/
 	return Number(Math.round(d + 'e4') + 'e-4');
 }
+/**
+ * Round a number to the closes precision, max max precision 4
+ * @param {Number} d Any Number
+ */
+export function round(d) {
+	// https://floating-point-gui.de/
+	// https://www.jacklmoore.com/notes/rounding-in-javascript/
+	return Number(Math.round(d + 'e4') + 'e-4');
+}