Support node

.github/workflows/ci.yml

@@ -93,3 +93,28 @@ jobs:
         with:
           github-token: ${{ secrets.github_token }}
           parallel-finished: true
+
+  build-nodejs:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js
+      uses: actions/setup-node@v2
+      with:
+        node-version: '16.x'
+    - name: Install Cairo dependencies
+      run: |
+        Invoke-WebRequest "http://ftp.gnome.org/pub/GNOME/binaries/win64/gtk+/2.22/gtk+-bundle_2.22.1-20101229_win64.zip" -OutFile "gtk.zip"
+        Expand-Archive gtk.zip -DestinationPath "C:\GTK"
+        Invoke-WebRequest "https://downloads.sourceforge.net/project/libjpeg-turbo/2.0.4/libjpeg-turbo-2.0.4-vc64.exe" -OutFile "libjpeg.exe" -UserAgent NativeHost
+        .\libjpeg.exe /S
+    - name: Add msbuild to PATH
+      uses: microsoft/[email protected]
+      with:
+        vs-version: '15.0'
+    - name: Install
+      run: npm ci
+    - name: Build
+      run: npm run build
+    - name: Test
+      run: npm run test-node

docs/chartjs-chart-financial.js

@@ -12,7 +12,7 @@
 typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('chart.js'), require('chart.js/helpers')) :
 typeof define === 'function' && define.amd ? define(['chart.js', 'chart.js/helpers'], factory) :
 (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.Chart, global.Chart.helpers));
-}(this, (function (chart_js, helpers) { 'use strict';
+})(this, (function (chart_js, helpers) { 'use strict';
 
 /**
  * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap.
@@ -191,7 +191,7 @@ FinancialController.overrides = {
 				sampleSize: 100
 			},
 			afterBuildTicks: scale => {
-				const DateTime = window && window.luxon && window.luxon.DateTime;
+				const DateTime = (typeof (window) !== 'undefined') && window.luxon && window.luxon.DateTime;
 				if (!DateTime) {
 					return;
 				}
@@ -519,4 +519,4 @@ OhlcController.defaults = helpers.merge({
 
 chart_js.Chart.register(CandlestickController, OhlcController, CandlestickElement, OhlcElement);
 
-})));
+}));

karma.conf.js

@@ -3,15 +3,18 @@ const builds = require('./rollup.config');
 
 module.exports = function(karma) {
 	const args = karma.args || {};
+	const watch = args.watch;
+	const inputs = args.inputs;
+	const coverage = args.coverage || karma.coverage;
 
 	// Use the same rollup config as our dist files: when debugging (--watch),
 	// we will prefer the unminified build which is easier to browse and works
 	// better with source mapping. In other cases, pick the minified build to
 	// make sure that the minification process (terser) doesn't break anything.
-	const regex = args.watch ? /chartjs-chart-financial\.js$/ : /chartjs-chart-financial\.min\.js$/;
+	const regex = watch ? /chartjs-chart-financial\.js$/ : /chartjs-chart-financial\.min\.js$/;
 	const output = builds[0].output.filter((v) => v.file.match(regex))[0];
 	const build = Object.assign({}, builds[0], {output: output});
-	const inputs = args.inputs || 'test/specs/**/*.js';
+	const files = inputs || 'test/specs/**/*.js';
 
 	karma.set({
 		browsers: ['chrome'],
@@ -41,7 +44,7 @@ module.exports = function(karma) {
 			'node_modules/chartjs-adapter-luxon/dist/chartjs-adapter-luxon.js',
 			'test/index.js',
 			'src/index.js'
-		].concat(inputs),
+		].concat(files),
 		preprocessors: {
 			'test/specs/**/*.js': ['rollup'],
 			'test/index.js': ['rollup'],
@@ -78,7 +81,7 @@ module.exports = function(karma) {
 		karma.customLaunchers.chrome.flags.push('--no-sandbox');
 	}
 
-	if (args.coverage) {
+	if (coverage) {
 		karma.reporters.push('coverage');
 		karma.coverageReporter = {
 			dir: 'coverage/',