Trainer for frontend technologies, podcaster [@workingdraft](https://twitter.com/workingdraft).

Peter Kröner

* Full issue name: **Invalid component selector**
* Status: `ERROR`
* Related to: [components](/docs/configuration/components)
* Summary: the selector for a component source is not a valid CSS selector
* How to fix: update the component source selector

A selector for a component is not a valid CSS selector. Change the component's
source selector in your configuration to fix this issue.


The selector for a component source is not a valid CSS selector

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Software Architecture and Development is my passion. I love agile methodologies. Co-hosting [@workingdraft](https://twitter.com/workingdraft)

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docs/snapshot-issues/ambiguous-component-example/content.md

An element matches more than one component source selector

Ambiguous component example

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Color source element not found in the pattern library

Color element not found

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Component not found

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A style utility rule contains no declarations

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The pattern library's DOM did not stop updating after loading

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Icon source element not found in the pattern library

Icon source not found

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Warhol was unable to process style sheets in the pattern library

Inaccessible style sheet

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Component element styles are not consisitent

Inconsistent component styles

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Utility element styles are not consistent

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docs/snapshot-issues/invalid-color-property/content.md

A non-color property was defined as a theme color property

Invalid color property

docs/snapshot-issues/invalid-color-source-selector/content.md

The selector for color sources is not a valid CSS selector

Invalid color source selector

docs/snapshot-issues/invalid-component-selector/content.md

Invalid component selector

docs/snapshot-issues/invalid-icon-source-selector/content.md

The selector for an icon source is not a valid CSS selector

Invalid icon source selector

docs/snapshot-issues/invalid-layout-mode/content.md

An invalid value was used in a layout-mode directive

Invalid layout mode

docs/snapshot-issues/invalid-must-match-selector/content.md

A selector in a must-(not)-match directive is not a valid CSS selector

Invalid must-match selector

docs/snapshot-issues/invalid-options/content.md

Invalid options were passed to the snapshot function

Invalid options

docs/snapshot-issues/invalid-typography-source-selector/content.md

The selector for a typography source is not a valid CSS selector

Invalid typography source selector

docs/snapshot-issues/invisible-typography/content.md

Typography examples contain no visible text

Invisible Typography

docs/snapshot-issues/no-colors-found/content.md

Failed to read colors from the pattern library

No colors found

docs/snapshot-issues/non-unique-component-selector/content.md

Warhol is not quite sure about a component match in the pattern library

Non-unique component selector

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Failed to read typography data from the pattern library

No typography found

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Typography not explicitly declared

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Warhol does not understand on or more CSS rules on the page

Unsupported rule

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Utility not found

Snapshot errors

Relex Warhol's style checking for element dimensions and positioning

layout-mode

docs/directives/must-not-match/content.md

Require elements to (not) match specific css selectors

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Unexpected CSS declarations on a component or child element

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Multiple equally matching child snapshots

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Hybrid component

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the web page's DOM did not stop updating after the load event

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Invalid typography

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Invalid values on a non-component element

Illegal value

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Warhol was unable to process style sheets on the page

Warhol

Invalid component selector

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