[GitHub] [skywalking-eyes] zooltd commented on a change in pull request #51: Enhance NPM dependency resolver to resolve all the dependent packages

[GitBox <gi...@apache.org>]

zooltd commented on a change in pull request #51:
URL: https://github.com/apache/skywalking-eyes/pull/51#discussion_r680626184



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File path: pkg/deps/npm.go
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@@ -141,79 +119,132 @@ func (resolver *NpmResolver) NeedSkipInstallPkgs() bool {
 }
 
 // InstallPkgs runs command 'npm install' to install node packages
-func (resolver *NpmResolver) InstallPkgs(root string) error {
+func (resolver *NpmResolver) InstallPkgs() {
 	cmd := exec.Command("npm", "install")
-	cmd.Dir = root
 	logger.Log.Println(fmt.Sprintf("Run command: %v, please wait", cmd.String()))
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
+	// Error occurs all the time in npm commands, so no return statement here
 	if err := cmd.Run(); err != nil {
-		return err
+		logger.Log.Errorln(err)
 	}
-	return nil
 }
 
-// ResolvePackageLicense resolves the licenses of the given packages.
-func (resolver *NpmResolver) ResolvePackageLicense(depName string, report *Report) error {
-	depFiles, err := ioutil.ReadDir(depName)
+// ListPkgPaths runs command 'npm ls --all --parseable' to list all the installed packages' paths, one path per line
+// Note that although the flag `--long` can show more information line like a package's name,
+// its realization and printing format is not uniform in different npm-cli versions
+func (resolver *NpmResolver) ListPkgPaths() (io.Reader, error) {
+	buffer := &bytes.Buffer{}
+	cmd := exec.Command("npm", "ls", "--all", "--parseable")

Review comment:
       Sorry did not notice that. I guess another argument named 'omit' may help but I need to look into it.




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