[css-typed-om] Reify color for CSSColorValue.parse · Issue #7174 · w3c/csswg-drafts (original) (raw)

The spec [1] defines the parsing rule for 'CSSColorValue.parse':

1. Parse cssText as a and let result be the result. If result is a syntax error, throw a SyntaxError and abort this algorithm.
2. Reify a color value from result, and return the result.
   So the 'result' passed to the second step.

However, the 9th in the second step [2] says:

1. If val is any other color keyword, return the result of reifying as a CSSStyleValue val for prop.

But the prop is not passed from the first step.

How should we clarify the parsing rule about 'prop'?

Working CL: https://chromium-review.googlesource.com/c/chromium/src/+/3522201/comments/6b28bb4f_0c02a99e
cc. @xiaochengh

[1] https://drafts.css-houdini.org/css-typed-om-1/#dom-csscolorvalue-parse
[2] https://drafts.css-houdini.org/css-typed-om-1/#reify-a-color-value