Update dependency chart.js to v2.9.4

[mend-for-github-com]

This PR contains the following updates:

Package	Type	Update	Change
chart.js (source)	dependencies	minor	2.8.0 -> 2.9.4

By merging this PR, the issue #59 will be automatically resolved and closed:

Severity	CVSS Score	CVE
High	9.8	CVE-2020-7746

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Release Notes

chartjs/Chart.js

v2.9.4

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This is the last release of v2 and focused on fixing bugs identified in the v2.9.3 release.

Bugs Fixed

• #​7404 - Preserve prototypes when cloning. Thanks @​iddings
• #​7587 - Fix docs for external moment.js. Thanks @​mojoaxel
• #​7853 - Fix box recursion when dimensions are NaN. Thanks @​alessandroasm
• #​7883 - Fix call stack exception when computing label sizes. Thanks @​silentmatt
• #​7918 - Prevent global prototype pollution via the merge helper
• #​7920 - Use Object.create(null) as merge target, to prevent prototype pollution

v2.9.3

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Bug Fixes

• #​6698 Fix undefined variable
• #​6719 Don't make legend empty when fill is false

Thanks to the maintainers and collaborators for their help to improve and test Chart.js (@​kurkle, @​benmccann, and @​etimberg).

v2.9.2

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Bug Fixes

• #​6641 IE11 & Edge compatible style injection
• #​6655 Backwards compatible default fill for radar charts
• #​6660 Improve clipping of line charts when border widths are large
• #​6661 When a legend item is clicked, make sure the correct item is hidden
• #​6663 Refresh package-lock file to pick up new dependency

Performance

• #​6671 Stop unnecessary line calculations

Documentation

• #​6643 Combine performance documentation sections

Thanks to the maintainers and collaborators for their help to improve and test Chart.js (@​nagix, @​kurkle, @​benmccann, @​etimberg and @​simonbrunel).

v2.9.1

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Bug Fixes

• #​6603 Fix deprecation warnings for horizontal bar charts
• #​6608 Fix zoom plugin by no longer clipping scale.getDecimalForPixel to the chart area
• #​6617 Non numeric Y axes did not work

Documentation

• #​6613 Add link to performance documentation

Development

• #​6609 - Tests no longer use deprecated options

Thanks to the maintainers and collaborators for their help to improve and test Chart.js (@​nagix, @​kurkle, @​benmccann, @​etimberg and @​simonbrunel).

v2.9.0

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Breaking changes

• https://github.com/chartjs/Chart.js/pull/6131 helpers._decimalPlaces is now private

Enhancements

• https://github.com/chartjs/Chart.js/pull/6527 Hover styling for dataset in 'dataset' mode
• https://github.com/chartjs/Chart.js/pull/6268 Implement dataset.order
• https://github.com/chartjs/Chart.js/pull/6509 Make autoSkip aware of major ticks
• https://github.com/chartjs/Chart.js/pull/6460 Implemented RTL support for legends and tooltips
• https://github.com/chartjs/Chart.js/pull/6490 HTML DOM building
• https://github.com/chartjs/Chart.js/pull/6326 Draw the rightmost grid line when offsetGridLines is true
• https://github.com/chartjs/Chart.js/pull/6343 Handle reverse support in core.scale
• https://github.com/chartjs/Chart.js/pull/6289 Support spanGaps in radar charts
• https://github.com/chartjs/Chart.js/pull/6323 Support object values for bar charts
• https://github.com/chartjs/Chart.js/pull/6287 Support rotation for pointStyle image
• https://github.com/chartjs/Chart.js/pull/6257 Allow specifying labels in time scale options
• https://github.com/chartjs/Chart.js/pull/6281 Support boundary filling modes in radialLinear scale
• https://github.com/chartjs/Chart.js/pull/6056 Add support for floating bar chart ([start, end])
• https://github.com/chartjs/Chart.js/pull/6241 Implement layers (z-index) for layout items
• https://github.com/chartjs/Chart.js/pull/5621 Make legend appearance consistent with chart elements
• https://github.com/chartjs/Chart.js/pull/5999 Implement per-dataset type (default and per-chart) options
• https://github.com/chartjs/Chart.js/pull/6097 Specify time scale min and max in standard manner
• https://github.com/chartjs/Chart.js/pull/6141 Legend align option. Thanks @​dkichler
• https://github.com/chartjs/Chart.js/pull/6128 Make line options scriptable. Thanks @​janelledement

Performance

• https://github.com/chartjs/Chart.js/pull/6594 Remove a couple calls to helpers.each
• https://github.com/chartjs/Chart.js/pull/6247 Remove duplicate scale building
• https://github.com/chartjs/Chart.js/pull/6579 Cache resolved data element options
• https://github.com/chartjs/Chart.js/pull/6575 Simplify line drawing
• https://github.com/chartjs/Chart.js/pull/6508 Add ticks.sampleSize option
• https://github.com/chartjs/Chart.js/pull/6354 Perf improvement for ticks.source:'labels'
• https://github.com/chartjs/Chart.js/pull/6301 Replace helpers.each with for-loops
• https://github.com/chartjs/Chart.js/pull/6304 Refactor core.layout
• https://github.com/chartjs/Chart.js/pull/6307 Faster major tick calculation
• https://github.com/chartjs/Chart.js/pull/6250 Cache getScaleForId() calls in the line controller
• https://github.com/chartjs/Chart.js/pull/6148 Replace helpers.extend

Bug Fixes

• https://github.com/chartjs/Chart.js/pull/6249 Bar options should be defined on dataset instead of scale
• https://github.com/chartjs/Chart.js/pull/6556 Inject styles into Shadow DOM when inside Shadow DOM
• https://github.com/chartjs/Chart.js/pull/6583 Fix unit determination when autoSkip is enabled
• https://github.com/chartjs/Chart.js/pull/6581 Return correct index/value id in radar/polarArea
• https://github.com/chartjs/Chart.js/pull/6580 Fix logarithmic test to use correct scale
• https://github.com/chartjs/Chart.js/pull/6528 Make sure zeroLineIndex is defined
• https://github.com/chartjs/Chart.js/pull/6523 Fix right side scale ticks
• https://github.com/chartjs/Chart.js/pull/6423 Clamp argument of toExponential between 0 and 20. Thanks @​veggiesaurus
• https://github.com/chartjs/Chart.js/pull/6328 Fix getValueForPixel in time scale
• https://github.com/chartjs/Chart.js/pull/6292 Adjust vertical alignment of tooltip items
• https://github.com/chartjs/Chart.js/pull/6321 Update dataset metadata when axisID changes
• https://github.com/chartjs/Chart.js/pull/6291 Assign unique scale IDs
• https://github.com/chartjs/Chart.js/pull/6288 Fix regression in lineTension
• https://github.com/chartjs/Chart.js/pull/6282 Treat null as NaN in radialLinear scale
• https://github.com/chartjs/Chart.js/pull/6285 Keep lines on the left and right edges from being cut
• https://github.com/chartjs/Chart.js/pull/6269 Apply lineJoin style at the first point in radar charts
• https://github.com/chartjs/Chart.js/pull/6280 Fix point label counting in radialLinear scale
• https://github.com/chartjs/Chart.js/pull/6279 Treat 0 as a valid point label
• https://github.com/chartjs/Chart.js/pull/6265 Utilize tick.major in tickFormatFunction
• https://github.com/chartjs/Chart.js/pull/6264 Apply offset regardless of min/max setting
• https://github.com/chartjs/Chart.js/pull/6258 Fix ticks generation for vertical time scale
• https://github.com/chartjs/Chart.js/pull/6259 Fix determineUnitForFormatting floating point error
• https://github.com/chartjs/Chart.js/pull/6115 Fix overlapping auto-generated ticks on time scale
• https://github.com/chartjs/Chart.js/pull/6238 Fix tooltip title in radar charts
• https://github.com/chartjs/Chart.js/pull/6224 Fix arc size calculation when circumference is under 2*PI
• https://github.com/chartjs/Chart.js/pull/6215 Fix arc border with circumference over 2*PI
• https://github.com/chartjs/Chart.js/pull/5961 Fix tick label rotation and layout issues
• https://github.com/chartjs/Chart.js/pull/6182 Use the appropriate time format for auto tick generation
• https://github.com/chartjs/Chart.js/pull/6208 Fill before drawing lines
• https://github.com/chartjs/Chart.js/pull/6209 Fix missing tooltip value in radar charts
• https://github.com/chartjs/Chart.js/pull/6177 Normalize angle for index in radialLinear scale
• https://github.com/chartjs/Chart.js/pull/6102 Fix ticks.minor and ticks.major issues
• https://github.com/chartjs/Chart.js/pull/6129 Fix hover animation
• https://github.com/chartjs/Chart.js/pull/6120 Improved helpers.almostWhole

Documentation

• https://github.com/chartjs/Chart.js/pull/6585 Add a note to the perf documentation about rotation
• https://github.com/chartjs/Chart.js/pull/6554 Add link to linear radial axis for radar chart doc
• https://github.com/chartjs/Chart.js/pull/6491 Add elements.arc.angle in documentation
• https://github.com/chartjs/Chart.js/pull/6466 Fixed incorrect spelling in pie dataset options. Thanks @​SeppPenner
• https://github.com/chartjs/Chart.js/pull/6435 Add link back to home page from docs
• https://github.com/chartjs/Chart.js/pull/6393 Add radar chart config options
• https://github.com/chartjs/Chart.js/pull/6293 Correct descriptions on ticks.display and add pointLabels.display
• https://github.com/chartjs/Chart.js/pull/6263 Add sample for radar scriptable options
• https://github.com/chartjs/Chart.js/pull/6244 Fix data in timeseries sample
• https://github.com/chartjs/Chart.js/pull/6186 Typo in doughnut documentation. Thanks @​joshuamcewen
• https://github.com/chartjs/Chart.js/pull/6132 Make docs consistent for cubicInterpolationMode and fill. Thanks @​stockiNail
• https://github.com/chartjs/Chart.js/pull/6119 Demonstrate multiple units on timeseries example
• https://github.com/chartjs/Chart.js/pull/6139 Documented tooltip alignment options
• https://github.com/chartjs/Chart.js/pull/6134 Documented date adapter

Development

• https://github.com/chartjs/Chart.js/pull/6507 Improved minimization when calling helpers
• https://github.com/chartjs/Chart.js/pull/6497 Reduce indentation
• https://github.com/chartjs/Chart.js/pull/6355 Do autoSkip in update
• https://github.com/chartjs/Chart.js/pull/6493 Upgrade rollup and plugins
• https://github.com/chartjs/Chart.js/pull/6362 Improved code minimization
• https://github.com/chartjs/Chart.js/pull/6360 Create helpers.math._factorize
• https://github.com/chartjs/Chart.js/pull/6351 Lazily compute label sizes
• https://github.com/chartjs/Chart.js/pull/6347 Render charts only once in time scale tests
• https://github.com/chartjs/Chart.js/pull/6246 Avoid time related deprecation warnings in tests

Thanks to the maintainers and collaborators for their help to improve and test Chart.js (@​nagix, @​kurkle, @​benmccann, @​etimberg and @​simonbrunel).

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