📎 Implement function-linear-gradient-no-nonstandard-direction

[togami2864]

Description

Implement function-linear-gradient-no-nonstandard-direction

Important

• Please skip implementing options for now since we will evaluate users actually want them later.
• Please ignore handling extended CSS language cases such as sass and less.
• Please skip custom function since we haven't syntax model yet.

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[mdm317]

Can i try this?

[ematipico]

@togami2864 what's the suggested name for this rule? Can you give us some directions?

[togami2864]

How about noInvalidDirectionInLinearGradient??

[Mouvedia]

If you are changing the rules' names keep an alias to the original name and choose something consistent.
see #2511 (comment)