isColor does not detect capitalized color keywords

[bartveneman]

• Webpack Version: N/A
• Operating System (or Browser): Mac OS 10.14.3
• Node Version: 10.15.2
• postcss-values-parser Version: 3.0.0-beta.4

How Do We Reproduce?

const {parse} = require('postcss-values-parser')

;['Red', 'GREEN', 'whiteSmoke'].forEach(color => {
  parse(color, {loose: true}).walk(node => {
    console.log(node.isColor)
  })
})

Expected Behavior

Expected isColor to be true for all of these cases

Actual Behavior

isColor is false for all of these cases

Related issues and code

• Related to #64
• Relevant usage in @projectwallace: https://github.com/projectwallace/css-analyzer/commit/15a7048f40fbe1d887bac96ac924882b91211ae8#diff-8a256177cb7a89d5370d4e5e404a3bbaR10

[shellscape]

Good catch. Should be an easy fix.

[shellscape]

Fixed and released in v3.0.0 proper. We're out of beta. Thank you for your help in adopting the beta!

[bartveneman]

Whoo! 🎉