| #!/usr/bin/env node |
| var traverse = require('traverse'); |
| |
| var obj = [ 'five', 6, -3, [ 7, 8, -2, 1 ], { f : 10, g : -13 } ]; |
| |
| var s = ''; |
| traverse(obj).forEach(function to_s (node) { |
| if (Array.isArray(node)) { |
| this.before(function () { s += '[' }); |
| this.post(function (child) { |
| if (!child.isLast) s += ','; |
| }); |
| this.after(function () { s += ']' }); |
| } |
| else if (typeof node == 'object') { |
| this.before(function () { s += '{' }); |
| this.pre(function (x, key) { |
| to_s(key); |
| s += ':'; |
| }); |
| this.post(function (child) { |
| if (!child.isLast) s += ','; |
| }); |
| this.after(function () { s += '}' }); |
| } |
| else if (typeof node == 'string') { |
| s += '"' + node.toString().replace(/"/g, '\\"') + '"'; |
| } |
| else if (typeof node == 'function') { |
| s += 'null'; |
| } |
| else { |
| s += node.toString(); |
| } |
| }); |
| |
| console.log('JSON.stringify: ' + JSON.stringify(obj)); |
| console.log('this stringify: ' + s); |