Suppress unsupported warnings
Tried to find out this information but got dead-end.
I have defined only autoprefixer as plugin:
var plugins = [
autoprefixer({grid: true, browsers: ['>1%']})
];
In my task it executes as follows
.pipe(postcss(plugins))
I use CSS Grid a lot and don't mind that it's partly unsupported by IE (I have a fallback mixin for that) and every time I save I see floods of unsupported messages, like this:
[15:09:54] gulp-postcss: global.css
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:1681:35: auto-fill value is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:1691:37: auto-fill value is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5610:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5653:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5735:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5778:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5851:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5891:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5932:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6226:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6266:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6424:5: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6462:39: auto-fill value is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6489:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6530:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6692:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6734:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6775:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6839:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6926:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6967:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7014:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7101:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7142:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7206:5: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7301:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7341:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7403:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7448:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7490:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7910:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7951:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7992:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:8058:3: grid-auto-rows is not supported by IE
[15:09:54] gulp-postcss: global.css
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:1681:35: auto-fill value is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:1691:37: auto-fill value is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5610:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5653:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5735:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5778:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5851:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5891:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:5932:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6226:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6266:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6424:5: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6462:39: auto-fill value is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6489:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6530:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6692:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6734:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6775:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6839:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6926:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:6967:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7014:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7101:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7142:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7206:5: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7301:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7341:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7403:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7448:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7490:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7910:3: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7951:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:7992:7: grid-auto-rows is not supported by IE
autoprefixer: /Users/rolle/Projects/project/content/themes/project/sass/base/global.css:8058:3: grid-auto-rows is not supported by IE
How to disable these messages?
I've used the control comment: /* autoprefixer: ignore next */
https://github.com/postcss/autoprefixer#control-comments
There is nothing gulp-postcss can do about this, as the message is coming from a postcss plugin. See the docs for the plugin, maybe it can be configured to suppress warnings, or raise an issue there.