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Changelog

0.19.0

  • All plots (OfX, OfY, and Parametric) now support a domain prop. Previously, only the Parametric component supported setting a domain, and the prop to do so was called t, but this prop has been deprecated in favor of the new domain prop across all three plot components. Eventually, t will be removed.

0.18.8

  • VectorField no longer breaks when rendering the vector [0, 0] (#164).

0.18.7

  • Mafs no longer declares a dependency on Node 20.11, instead depending on Node 20. In the future, the published version of Mafs will not declare an engines field at all, since Mafs is, of course, just a frontend project.

0.18.6

  • The stroke width of axes on Coordinates.Cartesian have now been parameterized via the --mafs-axis-stroke-width CSS custom property. (#160)
  • A bug that caused Coordinates.Cartesian to re-render frequently due to a changing ID has been fixed (#159).

0.18.5

  • The appearance of dashed lines has been unified across various components, and is now accessible via var(----mafs-line-stroke-dash-style). Thanks @jeremywiebe! #153.

0.18.4

  • This version is published without "type": "module" in package.json to improve compatibility with some environments.

0.18.3

  • As of #144, there is a new hook, useMovable, that has been extracted out of useMovablePoint, and will eventually be used for being able to move various Mafs elements.

0.18.2

  • Vectors are no longer always red. This was a silly mistake introduced in v0.18.1 as I was trying to test that alternate Vector colors work. Mafs has automated visual regression tests, but they don't run in CI, and I believe they should.

0.18.1

  • Vectors no longer render a white outline, allowing them to be recolored correctly (see #137).

0.18.0

  • In #135, the adaptive plotter was improved to more accurately plot highly periodic functions, and also to avoid plotting duplicate points. This should give a quality boost to most plots, but may slightly alter some. The sampling depth parameters are now "one lower", meaning that if you were previously passing maxSamplingDepth={15}, for example, you should now pass maxSamplingDepth={16}. Change is annoying, but the depth made no sense before, and now it does (a depth of 16 means 2¹⁶ subdivisions).

0.17.0

  • Introduces the LaTeX component.
  • Deprecates the ssr attribute in favor of never rendering Mafs until hydration.

0.16.0

  • Mafs now supports rendering a Polyline (previously it only supported Polygon). Thanks @Mesoptier!
  • Mafs now has Plot.Inequality for rendering the area greater than, less than, or between two functions.

0.15.2

  • The <Mafs /> component now has an onClick prop.

0.15.1

  • Fixes a regression introduced in v0.15.1 where the axis labels had a white fill regardless of the --mafs-origin-color custom property.

0.15.0

  • Mafs now supports zooming! It's opt-in, and can be enabled by setting the zoom prop on Mafs. See the Mafs docs for more information.

0.14.0

  • CartesianCoordinates is now Coordinates.Cartesian. In addition to Cartesian coordinates, you can now also use Coordinates.Polar to display polar coordinates. See the Coordinates docs for more information.

0.13.1

  • Fixes an issue (#95) where arrow markers in Vector were transformed incorrectly and looked comically large.

0.13.0

  • vec.Matrix is now a 2x3 matrix instead of a 3x3 matrix. This is a potentially breaking change from a TypeScript perspective, but shouldn't have any real impact on behavior—other than making things faster! Thank you to @sritchie for identifying this opportunity and improving a lot of the code in vec.

0.12.0

  • Mafs has had a mostly-internal update to correct the TypeScript types that were being exported. This is unlikely to affect existing code, unless you were importing Vector2 or Matrix from Mafs. The correct way to import those types is now import { vec } from 'mafs' and then use vec.Vector2 and vec.Matrix.

0.11.4

  • All exported Mafs components now have displayName, making the React devtools a little easier to read.

0.11.3

  • Introduces a new debug component, Debug.ViewportInfo.

0.11.2

  • Fixes a subtle bug introduced in v0.11.1 involving Safari treating empty CSS elements the same as undefined ones.

0.11.1

  • Fixes a tiny bug where --mafs-user-transform was not defined by Mafs, causing CSS to treat some transform strings as invalid.

0.11.0

  • Mafs now exposes a bit of its internals to allow you to use your own custom components. See the documentation on Custom Components for more information.

0.10.1

  • Fixes a bug where Text would have an ugly stroke when a custom color is set (#85).

0.10.0

Breaking changes

  • VectorField is now Plot.VectorField
  • FunctionGraph is now Plot
  • Several props from these components have changed. See the documentation on Plots for the latest guidance.

Improvements

  • Mafs' numerical function sampling algorithm has been improved.
  • There is now a Plot.OfY. Both Plot.OfX and Plot.OfY use Plot.Parametric under the hood.

0.9.0

  • Mafs now ships with the Computer Modern typeface, and makes it easy to use in your own project. It just requires a change to your CSS:

    -@import "mafs/build/index.css";
+@import "mafs/core.css";
+@import "mafs/font.css"; /* optional */

    "mafs/build/index.css" is still included in the package to avoid breaking things. It will be removed in a future release.

0.8.2

  • Ensures that React.PropsWithChildren is used for components that accept children, for React 18 compatibility reasons.

0.8.1

  • Fixes a bug involving the ESM build.

0.8.0

Breaking changes

  • xAxisExtent and yAxisExtent have been replaced with viewBox.

0.7.2

  • When pan is enabled on a Mafs view, keyboard users can now focus on the view itself and use the arrow keys to pan.

0.7.1

  • MovablePoint will no longer get stuck in its dragging state.

0.7.0

  • vec is now exposed as an export from mafs, inlining the previously separate vec-la package and making it type-safe.

0.6.1

  • Fixes a bug where cartesian coordinate lines would flicker due to some floating point rounding errors.

0.6.0

  • MovablePoint can now be used directly, no longer is it hidden behind useMovablePoint. See the Movable Points docs.
  • useMovablePoint now returns a setPoint function which allows you to set the point's position imperatively.

0.5.1

  • Bundle is now transpiled to browserslist's defaults for compatibility.

0.5.0

Features

  • Smooth interpolation for parametric functions: the parametric function sampling algorithm now dynamically increases the number of samples depending on the roughness of a function. See PR #37.

0.4.4

Bug fixes

  • Fixes an issue where, given certain constrain functions in useMovablePoint, using the keyboard to move points didn't work (see PR #23). Also, keyboard movement was generally broken in certain cases.

0.4.3

Bug fixes

  • Axis labels looked odd in Firefox—they were misaligned. Internally, switching from alignmentBaseline to dominantBaseline fixed this.

0.4.2

Bug fixes

  • Not really a "bug", but Mafs incorrectly declared too strict of a dependency on React 16.8, causing a peerdependency warning when using React 17.

Improvements

  • Mafs no longer has a runtime dependency on gl-matrix-invert, gl-mat2, gl-mat3, or gl-mat4.

0.4.1

Bug fixes

  • The TypeScript types for VectorField no longer (erroneously) require the xyOpacity and opacityStep props.

0.4.0

New features

Bug fixes

  • FunctionGraph.Parametric now supports decreasing values of t, enabling functions to be evaluated "backwards".

Changes

  • Dashed lines are now dashier (the dash array was changed from 4,3 to 1,10).

0.3.2

  • Re-released as bundled by esbuild. Slightly smaller bundle with minified CSS. No behavioral changes.

0.3.1

  • Re-released under MIT license. No code changes.

0.3.0

Improved the build process to roll up TypeScript types using api-extractor. No changes have been made to any APIs, but the exported types should more closely match what is actually exported.