react-chartjs-2 - npm Package Compare versions

Comparing version 2.7.1 to 2.7.2

dist/react-chartjs-2.min.js

@@ -1,1 +0,1 @@
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es/index.js

@@ -18,2 +18,4 @@ var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
 
+var NODE_ENV = typeof process !== 'undefined' && process.env && process.env.NODE_ENV;
+
 var ChartComponent = function (_React$Component) {
@@ -145,2 +147,21 @@ _inherits(ChartComponent, _React$Component);
 
+  ChartComponent.prototype.checkDatasets = function checkDatasets(datasets) {
+    var isDev = NODE_ENV !== 'production' && NODE_ENV !== 'prod';
+    var usingCustomKeyProvider = this.props.datasetKeyProvider !== ChartComponent.getLabelAsKey;
+    var multipleDatasets = datasets.length > 1;
+
+    if (isDev && multipleDatasets && !usingCustomKeyProvider) {
+      var shouldWarn = false;
+      datasets.forEach(function (dataset) {
+        if (!dataset.label) {
+          shouldWarn = true;
+        }
+      });
+
+      if (shouldWarn) {
+        console.error('[react-chartjs-2] Warning: Each dataset needs a unique key. By default, the "label" property on each dataset is used. Alternatively, you may provide a "datasetKeyProvider" as a prop that returns a unique key.');
+      }
+    }
+  };
+
   ChartComponent.prototype.updateChart = function updateChart() {
@@ -164,2 +185,3 @@ var _this2 = this;
     var nextDatasets = data.datasets || [];
+    this.checkDatasets(currentDatasets);
 
@@ -172,2 +194,3 @@ var currentDatasetsIndexed = keyBy(currentDatasets, this.props.datasetKeyProvider);
       var current = currentDatasetsIndexed[_this2.props.datasetKeyProvider(next)];
+
       if (current && current.type === next.type) {
@@ -174,0 +197,0 @@ // The data array must be edited in place. As chart.js adds listeners to it.

lib/index.js

@@ -42,2 +42,4 @@ 'use strict';
 
+var NODE_ENV = typeof process !== 'undefined' && process.env && process.env.NODE_ENV;
+
 var ChartComponent = function (_React$Component) {
@@ -169,2 +171,21 @@ _inherits(ChartComponent, _React$Component);
 
+  ChartComponent.prototype.checkDatasets = function checkDatasets(datasets) {
+    var isDev = NODE_ENV !== 'production' && NODE_ENV !== 'prod';
+    var usingCustomKeyProvider = this.props.datasetKeyProvider !== ChartComponent.getLabelAsKey;
+    var multipleDatasets = datasets.length > 1;
+
+    if (isDev && multipleDatasets && !usingCustomKeyProvider) {
+      var shouldWarn = false;
+      datasets.forEach(function (dataset) {
+        if (!dataset.label) {
+          shouldWarn = true;
+        }
+      });
+
+      if (shouldWarn) {
+        console.error('[react-chartjs-2] Warning: Each dataset needs a unique key. By default, the "label" property on each dataset is used. Alternatively, you may provide a "datasetKeyProvider" as a prop that returns a unique key.');
+      }
+    }
+  };
+
   ChartComponent.prototype.updateChart = function updateChart() {
@@ -188,2 +209,3 @@ var _this2 = this;
     var nextDatasets = data.datasets || [];
+    this.checkDatasets(currentDatasets);
 
@@ -196,2 +218,3 @@ var currentDatasetsIndexed = (0, _keyBy2.default)(currentDatasets, this.props.datasetKeyProvider);
       var current = currentDatasetsIndexed[_this2.props.datasetKeyProvider(next)];
+
       if (current && current.type === next.type) {
@@ -198,0 +221,0 @@ // The data array must be edited in place. As chart.js adds listeners to it.

package.json

 {
   "name": "react-chartjs-2",
-  "version": "2.7.1",
+  "version": "2.7.2",
   "description": "react-chartjs-2",
@@ -5,0 +5,0 @@ "main": "lib/index.js",

test/__tests__/Chart_spec.js

@@ -225,2 +225,77 @@ import React from 'react';
   });
+
+  describe('checkDatasets', () => {
+    let consoleStub = null;
+    beforeEach(() => {
+      consoleStub = sinon.stub(global.console, 'error');
+    });
+
+    afterEach(() => {
+      consoleStub.restore();
+      consoleStub = null;
+    });
+
+    it('should log error to console if datasets don\'t have a label', () => {
+      const wrapper = mountComponent({ data: {} });
+      wrapper.setProps({
+          data: {
+            datasets: [
+              {
+                _id: '238940890234809234',
+                data: [10, 20, 10, 20, 10, 20, 10]
+              },
+              {
+                _id: '098340598345839455',
+                data: [50, 100, 50, 100, 50, 100, 50]
+              }
+            ]
+          }
+      });
+      wrapper.update();
+
+      expect(consoleStub.callCount).to.equal(1);
+    });
+
+    it('should not log error to console if all datasets have a label', () => {
+      const wrapper = mountComponent({ data: {} });
+      wrapper.setProps({
+        data: {
+          datasets: [
+            {
+              label: 'My first dataset',
+              data: [10, 20, 10, 20, 10, 20, 10]
+            },
+            {
+              label: 'My second dataset',
+              data: [50, 100, 50, 100, 50, 100, 50]
+            }
+          ]
+        }
+      });
+      wrapper.update();
+
+      expect(consoleStub.callCount).to.equal(0);
+    });
+
+    it('should not log error to console if a custom datasetKeyProvider is provided', () => {
+      const wrapper = mountComponent({ datasetKeyProvider: (d) => d._id });
+      wrapper.setProps({
+          data: {
+            datasets: [
+              {
+                _id: '238940890234809234',
+                data: [10, 20, 10, 20, 10, 20, 10]
+              },
+              {
+                _id: '098340598345839455',
+                data: [50, 100, 50, 100, 50, 100, 50]
+              }
+            ]
+          }
+      });
+      wrapper.update();
+
+      expect(consoleStub.callCount).to.equal(0);
+    });
+  });
 });

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