fix compilation result sync for truffle

libs/remixd/src/services/truffleClient.ts

@@ -62,9 +62,6 @@ export class TruffleClient extends PluginClient {
 
   private async processArtifact () {
     const folderFiles = await fs.readdir(this.buildPath)   
-    // name of folders are file names
-    for (const file of folderFiles) {
-      if (file.endsWith('.json')) {
     const compilationResult = {
       input: {},
       output: {
@@ -74,10 +71,12 @@ export class TruffleClient extends PluginClient {
       solcVersion: null,
       compilationTarget: null
     }
+    // name of folders are file names
+    for (const file of folderFiles) {
+      if (file.endsWith('.json')) {
         const content = await fs.readFile(join(this.buildPath, file), { encoding: 'utf-8' })
         await this.feedContractArtifactFile(file, content, compilationResult)
         this.emit('compilationFinished', compilationResult.compilationTarget, { sources: compilationResult.input }, 'soljson', compilationResult.output, compilationResult.solcVersion)
-  
       }
     }
     if (!this.warnLog) {
@@ -104,10 +103,12 @@ export class TruffleClient extends PluginClient {
     const contentJSON = JSON.parse(content)
     const contractName = basename(path).replace('.json', '')
     compilationResultPart.solcVersion = contentJSON.compiler.version
-    compilationResultPart.compilationTarget = contentJSON.ast.absolutePath
+    // file name in artifacts starts with `project:/`
+    const filepath = contentJSON.ast.absolutePath.startsWith('project:/') ? contentJSON.ast.absolutePath.replace('project:/', '') : contentJSON.ast.absolutePath
+    compilationResultPart.compilationTarget = filepath
     compilationResultPart.input[path] = { content: contentJSON.source }
     // extract data
-    const relPath = utils.relativePath(contentJSON.ast.absolutePath, this.currentSharedFolder)
+    const relPath = utils.relativePath(filepath, this.currentSharedFolder)
     if (!compilationResultPart.output['sources'][relPath]) compilationResultPart.output['sources'][relPath] = {}
     
     const location = contentJSON.ast.src.split(':')