Chart.js v3.0.0-alpha.2 compatibility (#18)

* Fix imports for ES6, target v3

* Bump version

* Remove use of helpers for v2/v3 compatibility

* Add esm build

* Bump version

* Remove gulp & bower

* Add package-lock

* Update for Chart.js-3.0.0-alpha.2

* Update readme

* Update development section

* Add eslint

Author: kurkle

.gitignore

@@ -1,9 +1,3 @@
-.DS_Store
 .vscode/
-bower.json
-cc-test-reporter
-coverage/
 dist/
 node_modules/
-package-lock.json
-*.stackdump

.travis.yml

@@ -3,9 +3,8 @@ node_js:
   - lts/*
 
 script:
-  - gulp lint
-  - gulp build
-  - gulp bower
+  - npm run lint
+  - npm run build
 
 # IMPORTANT: scripts require GITHUB_AUTH_TOKEN and GITHUB_AUTH_EMAIL environment variables
 # IMPORTANT: scripts has to be set executables in the Git repository (error 127)

README.md

@@ -6,7 +6,7 @@
 
 This adapter allows the use of date-fns with Chart.js.
 
-Requires [Chart.js](https://github.com/chartjs/Chart.js/releases) **2.8.0** or later and [date-fns](https://date-fns.org/) **2.0.0-alpha.27** or later.
+Requires [Chart.js](https://github.com/chartjs/Chart.js/releases) **2.8.0** or later and [date-fns](https://date-fns.org/) **2.0.0** or later.
 
 **Note:** once loaded, this adapter overrides the default date-adapter provided in Chart.js (as a side-effect).
 
@@ -15,11 +15,11 @@ Requires [Chart.js](https://github.com/chartjs/Chart.js/releases) **2.8.0** or l
 ### npm
 
 ```bash
-npm install date-fns@next chartjs-adapter-date-fns@next --save
+npm install date-fns chartjs-adapter-date-fns@next --save
 ```
 
 ```javascript
-import Chart from 'chart.js';
+import { Chart } from 'chart.js';
 import 'chartjs-adapter-date-fns';
 ```
 
@@ -28,9 +28,8 @@ import 'chartjs-adapter-date-fns';
 By default, `https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns@next` returns the latest (minified) version, however it's [highly recommended](https://www.jsdelivr.com/features) to always specify a version in order to avoid breaking changes. This can be achieved by appending `@{version}` to the url:
 
 ```html
-<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/Chart.min.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/date-fns/2.0.0-alpha0/date_fns.min.js"></script>
-<script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns@next"></script>
+<script src="https://cdn.jsdelivr.net/npm/chart.js@next/dist/chart.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns@next/dist/chartjs-adapter-date-fns.bundle.min.js"></script>
 ```
 
 Read more about jsDeliver versioning on their [website](http://www.jsdelivr.com/).
@@ -39,7 +38,7 @@ Read more about jsDeliver versioning on their [website](http://www.jsdelivr.com/
 
 ### Locale support via scale options
 
-date-fns requires a date-fns locale object to be tagged on to each `format()` call, which requires the locale to be explicitly set via the `adapters.date` option: [Chart.js documentation on adapters.date](https://www.chartjs.org/docs/latest/axes/cartesian/time.html?h=adapter)
+date-fns requires a date-fns locale object to be tagged on to each `format()` call, which requires the locale to be explicitly set via the `adapters.date` option: [Chart.js documentation on adapters.date](https://www.chartjs.org/docs/next/axes/cartesian/time#date-adapters)
 
 For example:
 
@@ -58,7 +57,7 @@ import {de} from 'date-fns/locale';
 }
 ```
 
-Further, read the [Chart.js documentation](https://www.chartjs.org/docs/latest) for other possible date/time related options. For example, the time scale [`time.*` options](https://www.chartjs.org/docs/latest/axes/cartesian/time.html#configuration-options) can be overridden using the [date-fns tokens](https://date-fns.org/v2.0.0-alpha.27/docs/format).
+Further, read the [Chart.js documentation](https://www.chartjs.org/docs/next) for other possible date/time related options. For example, the time scale [`time.*` options](https://www.chartjs.org/docs/next/axes/cartesian/time#configuration-options) can be overridden using the [date-fns tokens](https://date-fns.org/docs/format).
 
 ## Development
 
@@ -71,9 +70,8 @@ You first need to install node dependencies (requires [Node.js](https://nodejs.o
 The following commands will then be available from the repository root:
 
 ```bash
-> gulp build            // build dist files
-> gulp build --watch    // build and watch for changes
-> gulp lint             // perform code linting
+> npm run build         // build dist files
+> npm run lint          // perform code linting
 ```
 
 ## License