Catch composer json format errors and notify user

phpinspect-autoload.el

@@ -177,9 +177,16 @@ bareword typenames."))
   ((al phpinspect-autoloader) file)
   (let* ((fs (phpinspect-project-fs (phpinspect-autoloader-project al)))
          (project-root (file-name-directory (cdr file)))
-         (json (phpinspect--read-json-file fs (cdr file)))
-         (autoload (gethash "autoload" json))
-         batch)
+         json autoload batch)
+
+
+    (condition-case err
+        (setq json (phpinspect--read-json-file fs (cdr file)))
+      (t (message "Error parsing composer json at %s : %s " (cdr file) err)))
+
+    (when json
+      (setq autoload (gethash "autoload" json))
+
       (when (hash-table-p autoload)
         (maphash
          (lambda (type prefixes)
@@ -225,7 +232,7 @@ bareword typenames."))
                 (push strategy batch))
                (_ (phpinspect--log "Unsupported autoload strategy \"%s\" encountered" type)))))
          autoload)
-      (phpinspect-pipeline-emit-all batch))))
+        (phpinspect-pipeline-emit-all batch)))))
 
 
 (cl-defmethod phpinspect-autoloader-resolve ((autoloader phpinspect-autoloader)