clean unnecessary code (#949)

snowpack/src/build/build-pipeline.ts

@@ -122,7 +122,7 @@ async function runPipelineTransformStep(
     try {
       for (const destExt of Object.keys(output)) {
         const destBuildFile = output[destExt];
-        const {code} = typeof destBuildFile === 'string' ? {code: destBuildFile} : destBuildFile;
+        const {code} = destBuildFile;
         const fileName = rootFileName + destExt;
         const filePath = rootFilePath + destExt;
         const debugPath = path.relative(process.cwd(), filePath);
@@ -141,9 +141,12 @@ async function runPipelineTransformStep(
         // if step returned a value, only update code (don’t touch .map)
         if (typeof result === 'string') {
           output[destExt].code = result;
+          output[destExt].map = undefined;
         } else if (result && typeof result === 'object' && (result as {result: string}).result) {
           output[destExt].code = (result as {result: string}).result;
+          output[destExt].map = undefined;
         }
+
         // if source maps disabled, don’t return any
         if (!sourceMaps) output[destExt].map = undefined;
       }

snowpack/src/commands/build.ts

@@ -292,7 +292,6 @@ export async function command(commandOptions: CommandOptions) {
   async function installDependencies() {
     const scannedFiles = Object.values(buildPipelineFiles)
       .map((f) => Object.values(f.filesToResolve))
-      .filter(Boolean)
       .reduce((flat, item) => flat.concat(item), []);
     const installDest = path.join(buildDirectoryLoc, config.buildOptions.webModulesUrl);
     const installResult = await installOptimizedDependencies(scannedFiles, installDest, {
@@ -478,6 +477,4 @@ export async function command(commandOptions: CommandOptions) {
   watcher.on('add', (fileLoc) => onWatchEvent(fileLoc));
   watcher.on('change', (fileLoc) => onWatchEvent(fileLoc));
   watcher.on('unlink', (fileLoc) => onDeleteEvent(fileLoc));
-
-  return new Promise(() => {});
 }

snowpack/src/commands/install.ts

@@ -257,7 +257,6 @@ export async function install(
   const installEntrypoints: {[targetName: string]: string} = {};
   const assetEntrypoints: {[targetName: string]: string} = {};
   const importMap: ImportMap = {imports: {}};
-  const installTargetsMap: {[targetLoc: string]: InstallTarget[]} = {};
   const skipFailures = false;
   const autoDetectNamedExports = [
     ...CJS_PACKAGES_TO_AUTO_DETECT,
@@ -283,9 +282,6 @@ export async function install(
           .forEach(([key]) => {
             importMap.imports[key] = `./${targetName}.js`;
           });
-        installTargetsMap[targetLoc] = installTargets.filter(
-          (t) => installSpecifier === t.specifier,
-        );
         installResults.push([installSpecifier, 'SUCCESS']);
       } else if (targetType === 'ASSET') {
         assetEntrypoints[targetName] = targetLoc;