From 64abc83fc4b70c70458c582ae2cf67fc9c67bb3f Mon Sep 17 00:00:00 2001
From: Joe Mooring <joe.mooring@veriphor.com>
Date: Fri, 8 Oct 2021 22:34:08 -0700
Subject: [PATCH] Allow multiple plugins in the PostCSS options map

Usage:
{{ $options := dict "use" "autoprefixer postcss-color-alpha" }}
{{ $style := resources.Get "main.css" | resources.PostCSS $options }}

Fixes #9015
---
 docs/content/en/hugo-pipes/postcss.md              | 11 +++++++----
 resources/resource_transformers/postcss/postcss.go |  3 ++-
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/docs/content/en/hugo-pipes/postcss.md b/docs/content/en/hugo-pipes/postcss.md
index 391868c59..2a119258e 100755
--- a/docs/content/en/hugo-pipes/postcss.md
+++ b/docs/content/en/hugo-pipes/postcss.md
@@ -15,12 +15,10 @@ sections_weight: 40
 draft: false
 ---
 
-
 Any asset file can be processed using `resources.PostCSS` which takes for argument the resource object and a slice of options listed below. 
 
 The resource will be processed using the project's or theme's own `postcss.config.js` or any file set with the `config` option.
 
-
 ```go-html-template
 {{ $css := resources.Get "css/main.css" }}
 {{ $style := $css | resources.PostCSS }}
@@ -31,6 +29,7 @@ Hugo Pipe's PostCSS requires the `postcss-cli` JavaScript package to be installe
 
 If you are using the Hugo Snap package, PostCSS and plugin(s) need to be installed locally within your Hugo site directory, e.g., `npm install postcss-cli` without the `-g` flag.
 {{% /note %}}
+
 ### Options
 
 config [string]
@@ -48,7 +47,7 @@ Hugo will look for imports relative to the module mount and will respect theme o
 _If no configuration file is used:_
 
 use [string]
-: List of PostCSS plugins to use
+: Space-delimited list of PostCSS plugins to use
 
 parser [string]
 : Custom PostCSS parser
@@ -60,7 +59,11 @@ syntax [string]
 : Custom postcss syntax
 
 ```go-html-template
-{{ $style := resources.Get "css/main.css" | resources.PostCSS (dict "config" "customPostCSS.js" "noMap" true) }}
+{{ $options := dict "config" "customPostCSS.js" "noMap" true }}
+{{ $style := resources.Get "css/main.css" | resources.PostCSS $options }}
+
+{{ $options := dict "use" "autoprefixer postcss-color-alpha" }}
+{{ $style := resources.Get "css/main.css" | resources.PostCSS $options }}
 ```
 
 ## Check Hugo Environment from postcss.config.js
diff --git a/resources/resource_transformers/postcss/postcss.go b/resources/resource_transformers/postcss/postcss.go
index 5fcadd937..8104d0336 100644
--- a/resources/resource_transformers/postcss/postcss.go
+++ b/resources/resource_transformers/postcss/postcss.go
@@ -113,7 +113,8 @@ func (opts Options) toArgs() []string {
 		args = append(args, "--no-map")
 	}
 	if opts.Use != "" {
-		args = append(args, "--use", opts.Use)
+		args = append(args, "--use")
+		args = append(args, strings.Fields(opts.Use)...)
 	}
 	if opts.Parser != "" {
 		args = append(args, "--parser", opts.Parser)