add function to print array

Author: steveoni

notebookjs/src/public/javascripts/index.js

@@ -13,7 +13,13 @@ let vars_in_scope = {
 }
 
 function exec_cell(id, count) {
-    $(`#out_${id}`).html(("global", eval)(vars_in_scope[id].getValue()) || "");
+    
+    let global_scope = ("global", eval)(vars_in_scope[id].getValue())
+
+    if(Array.isArray(global_scope)){
+        global_scope = print_val(global_scope)
+    }
+    $(`#out_${id}`).html(global_scope || "");
 
     count = parseInt(count) + 1
     let div_count = `div-${count}`

notebookjs/src/public/javascripts/utils.js

@@ -0,0 +1,79 @@
+function print_val(val){
+
+    if(Array.isArray(val[0])){
+
+        let col_length = val[0].length;
+        let row_length = val.length;
+
+        let data_string = "[";
+        if(row_length > 10){
+
+            for(let i=0; i < 10; i++){
+
+                let row_val = val[i]
+
+                data_string +="[";
+                if(col_length > 10){
+
+                    for(let j=0; j< 10; j++){
+                        data_string += `${row_val[j]},`
+                    }
+
+                    data_string += `.......${col_length-10} more],`
+                }else{
+
+                    for(let j=0; j < col_length;j++){
+                        data_string += `${row_val[j]},`
+                    }
+                    data_string +="],"
+                }
+            }
+            data_string += `...${row_length - 10} more]`
+        }
+        else{
+            for(let i=0; i < row_length; i++){
+
+                let row_val = val[i]
+
+                data_string +="[";
+                if(col_length > 10){
+
+                    for(let j=0; j< 10; j++){
+                        data_string += `${row_val[j]},`
+                    }
+
+                    data_string += `.......${col_length-10} more],`
+                }else{
+
+                    for(let j=0; j < col_length;j++){
+                        data_string += `${row_val[j]},`
+                    }
+                    data_string +="],"
+                }
+            }
+            data_string +="]"
+        }
+        return data_string
+    }else{
+
+        let row_length = val.length;
+
+        let data_string = "["
+
+        let count = row_length > 10 ? 10 : row_length
+
+        for(let i=0; i< count; i++){
+
+            data_string += `${val[i]},`
+        }
+
+        let diff = row_length - count;
+        if( diff > 0){
+            data_string += `....${diff} more]`
+        }else{
+            data_string += "]";
+        }
+        return data_string;
+        
+    }
+}

notebookjs/src/views/layout.hbs

@@ -69,6 +69,7 @@
 
 
 <script src="javascripts/index.js"></script>
+<script src="javascripts/utils.js"></script>
 </body>
 
 </html>