Properly calculating the variables computed value for dist

package.json

@@ -49,6 +49,7 @@
     "jest": "26.6.3",
     "js-yaml": "4.1.0",
     "postcss": "8.3.0",
+    "postcss-calc": "8.0.0",
     "postcss-import": "14.0.2",
     "postcss-load-config": "3.0.1",
     "postcss-node-sass": "3.1.0",

script/analyze-variables.js

@@ -4,6 +4,7 @@ const {join} = require('path')
 const fs = require('fs')
 const atImport = require('postcss-import')
 const syntax = require('postcss-scss')
+const calc = require('postcss-calc')
 
 const processor = postcss([
   atImport({path: ['src']}),
@@ -20,7 +21,14 @@ async function analyzeVariables(fileName) {
       if (!result.variables[`$${message.name}`].values.includes(message.value)) {
         result.variables[`$${message.name}`].values.push(message.value)
       }
-      const computed = message.value
+      let computed = message.value
+      try {
+        const c = `--temp-property: calc(${message.value})`.replace('round(', '(')
+        computed = postcss().use(calc()).process(c).css
+        computed = computed.replace('--temp-property: ', '')
+      } catch (e) {
+        // Couldn't calculate because value might not be a number
+      }
       result.variables[`$${message.name}`].computed = computed
     }
   }

yarn.lock

@@ -5337,6 +5337,14 @@ posix-character-classes@^0.1.0:
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
   integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
 
+[email protected]:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-calc/-/postcss-calc-8.0.0.tgz#a05b87aacd132740a5db09462a3612453e5df90a"
+  integrity sha512-5NglwDrcbiy8XXfPM11F3HeC6hoT9W7GUH/Zi5U/p7u3Irv4rHhdDcIZwG0llHXV4ftsBjpfWMXAnXNl4lnt8g==
+  dependencies:
+    postcss-selector-parser "^6.0.2"
+    postcss-value-parser "^4.0.2"
+
 postcss-custom-properties@^10.0.0:
   version "10.0.0"
   resolved "https://registry.yarnpkg.com/postcss-custom-properties/-/postcss-custom-properties-10.0.0.tgz#5cb31afc530f58ad241f1e836dd5f5f7065334df"