Upgrade to Chart.js 2.7.0

package.json

@@ -9,23 +9,23 @@
     "url": "https://github.com/chartjs/chartjs-chart-financial.git"
   },
   "dependencies": {
-    "chart.js": "^2.6.0"
+    "chart.js": "^2.7.0"
   },
   "devDependencies": {
-    "browserify": "^14.3.0",
-    "check-dependencies": "^1.0.1",
+    "browserify": "^14.4.0",
+    "check-dependencies": "^1.1.0",
     "gulp": ">=3.9.1",
     "gulp-concat": ">=2.6.1",
     "gulp-insert": "^0.5.0",
     "gulp-jshint": "^2.0.4",
-    "gulp-replace": ">=0.5.4",
+    "gulp-replace": ">=0.6.1",
     "gulp-streamify": "^1.0.2",
     "gulp-uglify": "^3.0.0",
-    "jasmine": "^2.6.0",
-    "jshint": "^2.9.4",
-    "karma": "^1.7.0",
+    "jasmine": "^2.8.0",
+    "jshint": "^2.9.5",
+    "karma": "^1.7.1",
     "karma-browserify": "^5.1.1",
-    "karma-chrome-launcher": "^2.1.1",
+    "karma-chrome-launcher": "^2.2.0",
     "karma-coverage": "^1.1.1",
     "karma-firefox-launcher": "^1.0.1",
     "karma-jasmine": "^1.1.0",

src/controller.financial.js

@@ -11,13 +11,13 @@ module.exports = function(Chart) {
 
 		scales: {
 			xAxes: [{
-				type: 'timeseries',
-				// grid line settings
-				gridLines: {
-					offsetGridLines: true
-				},
+				type: 'time',
+				distribution: 'series',
 				time: {
 					format: 'll'
+				},
+				ticks: {
+					source: 'data'
 				}
 			}],
 			yAxes: [{

src/index.js

@@ -5,5 +5,4 @@ Chart = typeof(Chart) === 'function' ? Chart : window.Chart;
 
 require('./element.candlestick.js')(Chart);
 require('./scale.financialLinear.js')(Chart);
-require('./scale.timeseries.js')(Chart);
 require('./controller.financial.js')(Chart);

src/scale.financialLinear.js

@@ -7,7 +7,32 @@ module.exports = function(Chart) {
 	var defaultConfig = {
 		position: 'left',
 		ticks: {
-			callback: Chart.Ticks.formatters.linear
+			// Copied from Ticks.formatters.linear
+			callback: function(tickValue, index, ticks) {
+				// If we have lots of ticks, don't use the ones
+				var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0];
+
+				// If we have a number like 2.5 as the delta, figure out how many decimal places we need
+				if (Math.abs(delta) > 1) {
+					if (tickValue !== Math.floor(tickValue)) {
+						// not an integer
+						delta = tickValue - Math.floor(tickValue);
+					}
+				}
+
+				var logDelta = helpers.log10(Math.abs(delta));
+				var tickString = '';
+
+				if (tickValue !== 0) {
+					var numDecimal = -1 * Math.floor(logDelta);
+					numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places
+					tickString = tickValue.toFixed(numDecimal);
+				} else {
+					tickString = '0'; // never show decimal places for 0
+				}
+
+				return tickString;
+			}
 		}
 	};