* Move all helpers into src/helpers
* Move curve helpers to their own file
* DOM helpers moved to their own file
* Update migration docs
* Remove migration docs on new functions
Properly export helpers and remove dependencies to `Chart.helpers`. Helpers can now be accessed from `src/helpers/index.js` (`var helpers = require('path/to/helpers/index')`, instead of `var helpers = Chart.helpers`).
If a value is set on the model after `pivot()` has been called, the view wasn't initialized and the animation started from 0. Now, `_start` and incomplete `_view` are initialized to the model value during the transition (no initial implicit transition).
Also remove exception handling when animating a string (color), which is faster when string are not valid colors (e.g. tooltip position). It requires to update `chartjs-color` to version 2.1.0.
added helper method to adjust the index
pass in chartConfig rather than access within method, make it easier to
test
added semi-colon at the end of helper method
added test for adjustIndex helper method
fixed lint issues
added integration test for the interaction of trigger an event over the
bar
.
.
moved adjustIndex into element helper
removed method from helper and adjusted method in core.interaction
added test for the element adjustIndex helper
added a skipIndexAdjustment method to handle when to skip the adjustment
along with test cases
fixed lint issues
removed the test for the helper method
This change allows for smaller minified code in the final version, resulting in a smaller file size. Some files had previously used _this, but that has been changed to me to keep consistency throughout the project.
The Chart.helpers.each method uses Object.keys() to iterates on the object *own enumerable properties*, meaning that checking if object.hasOwnProperty() is useless.
Fix color animation because the color lib changed the `mix` implementation to match SASS behavior, so the weight specifies the amount of the first color that should be included in the returned color.
New Chart.Element.hidden bool flag storing the visibility state of its associated data. Since elements belong to a specific chart, this change allows to manage data visibility per chart (e.g. when clicking the legend of some charts).
This commit also changes (fixes?) the polar chart animation when data visibility changes. Previous implementation was affected by an edge effect due to the use of NaN as hidden implementation.
