Allow minifiers to get source path of file

packages/standard-minifier-css/plugin/minify-css.js

@@ -127,8 +127,7 @@ const mergeCss = Profile("mergeCss", async function (css, postcssConfig) {
         const result = await postcssConfig.postcss(
           postcssConfig.plugins
         ).process(content, {
-          // TODO: provide a better way to get the file's path
-          from: process.cwd() + file._source.url?.replace('/__cordova', ''),
+          from: file.getSourcePath(),
           parser: postcssConfig.options.parser
         });
 

tools/isobuild/bundler.js

@@ -1126,11 +1126,17 @@ class Target {
           return null;
         }
 
+        let sourcePath;
+        if (resource.data && resource.sourceRoot && resource.sourcePath) {
+          sourcePath = files.pathJoin(resource.sourceRoot, resource.sourcePath);
+        }
+
         const file = new File({
           info: 'resource ' + resource.servePath,
           arch: target.arch,
           data: resource.data,
           hash: resource.hash,
+          sourcePath
         });
 
         file.setTargetPathFromRelPath(
@@ -1279,13 +1285,18 @@ class Target {
             return;
           }
 
+          let sourcePath;
+          if (resource.data && resource.sourceRoot && resource.sourcePath) {
+            sourcePath = files.pathJoin(resource.sourceRoot, resource.sourcePath);
+          }
           const f = new File({
             info: 'resource ' + resource.servePath,
             arch: this.arch,
             data: resource.data,
             hash: resource.hash,
             cacheable: false,
-            replaceable: resource.type === 'js' && sourceBatch.hmrAvailable
+            replaceable: resource.type === 'js' && sourceBatch.hmrAvailable,
+            sourcePath
           });
 
           const relPath = stripLeadingSlash(resource.servePath);

tools/isobuild/compiler-plugin.js

@@ -892,6 +892,7 @@ class OutputResource {
       sourcePath,
       targetPath,
       servePath,
+      sourceRoot: resourceSlot.packageSourceBatch.sourceRoot,
       // Remember the source hash so that changes to the source that
       // disappear after compilation can still contribute to the hash.
       // Bypassing SourceResource.hash getter so if the compiler plugin doesn't

tools/isobuild/minifier-plugin.js

@@ -36,6 +36,9 @@ class InputFile extends buildPluginModule.InputFile {
   getArch() {
     return this._arch;
   }
+  getSourcePath() {
+    return this._source.sourcePath || null;
+  }
 
   error({message, sourcePath, line, column, func}) {
     const relPath = this.getPathInBundle();