Add flag to resolve content relative to the config file

src/featureFlags.js

@@ -15,6 +15,7 @@ let featureFlags = {
     'optimizeUniversalDefaults',
     'matchVariant',
     // 'variantGrouping',
+    'resolveContentRelativeToConfig',
     'resolveConfigRelativeToInput',
   ],
 }

src/lib/setupContextUtils.js

@@ -997,6 +997,8 @@ export function getContext(
 
   let context = createContext(tailwindConfig, [], root)
 
+  Object.assign(context, { userConfigPath })
+
   trackModified([...contextDependencies], getFileModifiedMap(context))
 
   // ---

src/lib/setupTrackingContext.js

@@ -162,7 +162,7 @@ export default function setupTrackingContext(configOrPath) {
 
         // Add template paths as postcss dependencies.
         for (let fileOrGlob of candidateFiles) {
-          for (let dependency of parseDependency(fileOrGlob)) {
+          for (let dependency of parseDependency(context, fileOrGlob)) {
             registerDependency(dependency)
           }
         }

src/util/parseDependency.js

@@ -51,7 +51,7 @@ function toDependency(pathDesc) {
   }
 }
 
-export default function parseDependency(normalizedFileOrGlob) {
+export default function parseDependency(context, normalizedFileOrGlob) {
   if (normalizedFileOrGlob.startsWith('!')) {
     return []
   }
@@ -66,9 +66,14 @@ export default function parseDependency(normalizedFileOrGlob) {
     paths.push({ base: normalizedFileOrGlob, glob: null })
   }
 
+  // Resolve base paths relative to the config file or current working directory
+  let resolveFrom = flagEnabled(context.tailwindConfig, 'resolveContentRelativeToConfig')
+    ? [context.userConfigPath ?? process.cwd()]
+    : [process.cwd()]
+
   paths = paths.map((pathDesc) =>
     Object.assign(pathDesc, {
-      base: path.resolve(pathDesc.base),
+      base: path.resolve(...resolveFrom, pathDesc.base),
     })
   )