[csswg-drafts] [css-cascade][css-transition] Should property aliasing/mapping applies to `transition[-property]`? (#8022)

cdoublev has just created a new issue for https://github.com/w3c/csswg-drafts:

== [css-cascade][css-transition] Should property aliasing/mapping applies to `transition[-property]`? ==
I would like to know in which cases a property name should be replaced in the parsing/serialization of `transition-property`. It does not seem clearly defined in [CSS Cascade](https://drafts.csswg.org/css-cascade-5/#aliasing).

```js
style.transitionProperty = `
  word-wrap,                /* Unprefixed legacy name alias */
  grid-row-gap,             /* Unprefixed legacy shorthand */
  page-break-before,        /* Unprefixed legacy shorthand */
  -webkit-background-size,  /* Legacy name alias */
  -webkit-box-ordinal-group /* Legacy mapping property */
`
style.cssText;
```

The output in Chrome for `style.cssText` is `transition-property: word-wrap, grid-row-gap, page-break-before, -webkit-background-size, -webkit-box-ordinal-group;`.

The output in Firefox is `transition-property: overflow-wrap, row-gap, page-break-before, background-size, -moz-box-ordinal-group;`.


Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/8022 using your GitHub account


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Received on Saturday, 5 November 2022 04:52:30 UTC