08-27-周三_17-09-29

node_modules/traverse/examples/stringify.js

@@ -0,0 +1,37 @@
+#!/usr/bin/env node
+
+'use strict';
+
+var traverse = require('traverse');
+
+var obj = ['five', 6, -3, [7, 8, -2, 1], { f: 10, g: -13 }];
+
+var s = '';
+traverse(obj).forEach(function toS(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) {
+			toS(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);