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e7372ade24
* fix: same-looking tooltips on multiseries charts * fix: same-looknig tooltips on all chart types * chore: restore tooltip plugin * docs: additions to migration guide * docs: remove labels from scatter and bubble examples * docs: review fix
28 lines
1.3 KiB
Markdown
28 lines
1.3 KiB
Markdown
# 4.x Migration Guide
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Chart.js 4.0 introduces a number of breaking changes. We tried keeping the amount of breaking changes to a minimum. For some features and bug fixes it was necessary to break backwars compatibility, but we aimed to do so only when worth the benefit.
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## End user migration
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### Charts
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* Charts don't override the default tooltip callbacks, so all chart types have the same-looking tooltips.
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### Options
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A number of changes were made to the configuration options passed to the `Chart` constructor. Those changes are documented below.
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#### Specific changes
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* The radialLinear grid indexable and scriptable options don't decrease the index of the specified grid line anymore.
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* The `destroy` plugin hook has been removed and replaced with `afterDestroy`.
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* Ticks callback on time scale now receives timestamp instead of a formatted label.
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* Linear scales now add and subtracts `5%` of the max value to the range if the min and max are the same instead of `1`.
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* If the tooltip callback returns `undefined`, then the default callback will be used.
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#### Type changes
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* The order of the `ChartMeta` parameters have been changed from `<Element, DatasetElement, Type>` to `<Type, Element, DatasetElement>`.
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### General
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* Removed fallback to `fontColor` for the legend text and strikethrough color.
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