playground.nnb

{
    "cells": [
        {
            "language": "typescript",
            "source": [
                "var escope = require('escope');\r\nvar esprima = require('esprima');\r\nvar estraverse = require('estraverse');"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "application/vnd.code.notebook.stdout",
                            "value": [
                                "",
                                ""
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "language": "typescript",
            "source": [
                "const code = `\r\n    function foo() {\r\n        var a = 1;\r\n        var b = 2;\r\n        var c = 3;\r\n    }\r\n`;"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "application/vnd.code.notebook.stdout",
                            "value": [
                                "",
                                ""
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "language": "typescript",
            "source": [
                "var ast = esprima.parse(code);\r\nvar scopeManager = escope.analyze(ast);\r\n\r\nvar currentScope = scopeManager.acquire(ast);   // global scope\r\n\r\nestraverse.traverse(ast, {\r\n    enter: function(node, parent) {\r\n        // do stuff\r\n        \r\n        if (/Function/.test(node.type)) {\r\n            currentScope = scopeManager.acquire(node);  // get current function scope\r\n        }\r\n    },\r\n    leave: function(node, parent) {\r\n        if (/Function/.test(node.type)) {\r\n            currentScope = currentScope.upper;  // set to parent scope\r\n        }\r\n        \r\n        // do stuff\r\n    }\r\n});"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "application/vnd.code.notebook.stdout",
                            "value": [
                                "",
                                ""
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "language": "typescript",
            "source": [
                ""
            ],
            "outputs": []
        }
    ]
}