perf:✨ add remappings cache

Author: PraneshASP

src/helpers.js

@@ -24,6 +24,25 @@ function newWindowBeside(content) {
     );
 }
 
+let remappings = null; // Cache remappings globally 
+
+async function loadRemappings(rootPath) {
+  const remappingsPath = path.join(rootPath, 'remappings.txt');
+  try {
+    const remappingsContent = await vscode.workspace.fs.readFile(vscode.Uri.file(remappingsPath));
+    return remappingsContent.toString().split('\n').reduce((acc, line) => {
+      const [key, val] = line.split('=');
+      if (key && val) {
+        acc[key.trim()] = val.trim();
+      }
+      return acc;
+    }, {});
+  } catch (error) {
+    console.error('Error reading remappings:', error);
+    return {};
+  }
+}
+
 
 async function provideCompletionItems(document, position) {
   const linePrefix = document.lineAt(position).text.substring(0, position.character);
@@ -36,6 +55,8 @@ async function provideCompletionItems(document, position) {
   if (!workspaceFolders) return undefined; // No workspace folder open
 
   const rootPath = workspaceFolders[0].uri.fsPath;
+
+
   const remappingsPath = path.join(rootPath, 'remappings.txt');
   let remappings = {};
 
@@ -47,6 +68,11 @@ async function provideCompletionItems(document, position) {
     });
   }
 
+
+  if (remappings === null) { // Load remappings if not already loaded
+    remappings = await loadRemappings(rootPath);
+  }
+
   // Step 2: Apply remappings to import paths
   const solidityFiles = await findSolidityFiles();
   const currentFilePath = document.uri.fsPath;
@@ -65,6 +91,8 @@ async function provideCompletionItems(document, position) {
       }
     });
 
+
+
     // Determine if the path was remapped
     const isRemapped = remappedPath !== filePath;
 
@@ -85,8 +113,8 @@ async function provideCompletionItems(document, position) {
 function findSolidityFiles() {
   // Define the glob pattern for Solidity files
   const solidityFilePattern = '**/*.sol';
-  // Exclude files from the node_modules folder 
-  const excludePattern = '**/node_modules/**';
+  // Exclude files from the node_modules and out dirs 
+  const excludePattern = '{**/node_modules/**,**/out/**}';
 
   // Use findFiles to search for files matching the Solidity pattern, excluding undesired paths
   return vscode.workspace.findFiles(solidityFilePattern, excludePattern)
@@ -193,3 +221,10 @@ const networkMap = {
 
 
 module.exports = { newWindowBeside, getContractRootDir, LANGID, networkMap, provideCompletionItems, findSolidityFiles };
+
+// Execution time for optimized: 22.145625114440918 milliseconds
+//  Execution time for optimized: 11.452915668487549 milliseconds
+//  Execution time for optimized: 8.146999835968018 milliseconds
+//  Execution time for optimized: 14.010457992553711 milliseconds
+//  Execution time for optimized: 8.457749843597412 milliseconds
+//  Execution time for optimized: 12.96274995803833 milliseconds