Fixed issue #99 - minor ticks draw crash when minorTicks=0 for exact …

…ticks linear gauges
Mikhus · Jan 10, 2017 · df0be3e · df0be3e
1 parent dd6b3e2
commit df0be3e
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Showing 4 changed files with 9 additions and 8 deletions.
diff --git a/gauge.min.js b/gauge.min.js
diff --git a/gauge.min.js.map b/gauge.min.js.map
diff --git a/lib/LinearGauge.js b/lib/LinearGauge.js
@@ -761,13 +761,14 @@ function drawLinearMinorTicks(context, options) {
     let [hasLeft, hasRight] = drawings.prepareTicks(options);
     let ticks = [];
     let i = options.minValue;
-    let valuePerNonExactTick = (options.maxValue - options.minValue) /
-        (options.minorTicks * (options.majorTicks.length - 1));
+    let minTicks = Math.abs(options.minorTicks) || 0;
+    let valuePerNonExactTick = minTicks ? (options.maxValue - options.minValue) /
+        (minTicks * (options.majorTicks.length - 1)) : 0;
 
     if (options.exactTicks) {
-        let delta = options.majorTicks[0] % options.minorTicks;
+        let delta = (options.majorTicks[0] % minTicks) || 0;
 
-        for (; i < options.maxValue; i += options.minorTicks) {
+        for (; i < options.maxValue; i += minTicks) {
             ticks.push(delta + i);
         }
     }

diff --git a/test-coverage.svg b/test-coverage.svg