/*! JSON.minify()
+    v0.1 (c) Kyle Simpson
+    MIT License
+*/
+/**
+ * @name minify.json.js
+ * @author Kei Funagayama <kei.topaz@gmail.com
+ * @overview JSON.minify
+ */
+
+/**
+ * @namespace JSON
+ */
+(function(global){
+    'use strict';
+
+    /**
+     * @function
+     * @memberof JSON
+     * @param {Object} Transformed data. format) json-like
+     * @return {String}
+     *
+     * @example
+     * var json = { // hoge
+     *     "foo": "bar",// this is cool
+     *     "bar": [
+     *         "baz", "bum", "zam"   // this is cool
+     *     ]
+     * } // hoge
+     *
+     */
+    var minify = function (json) {
+
+        var tokenizer = /"|(\/\*)|(\*\/)|(\/\/)|\n|\r/g,
+            in_string = false,
+            in_multiline_comment = false,
+            in_singleline_comment = false,
+            tmp, tmp2, new_str = [], ns = 0, from = 0, lc, rc
+        ;
+
+        tokenizer.lastIndex = 0;
+
+        while ( tmp = tokenizer.exec(json) ) {
+            lc = RegExp.leftContext;
+            rc = RegExp.rightContext;
+            if (!in_multiline_comment && !in_singleline_comment) {
+                tmp2 = lc.substring(from);
+                if (!in_string) {
+                    tmp2 = tmp2.replace(/(\n|\r|\s)*/g,"");
+                }
+                new_str[ns++] = tmp2;
+            }
+            from = tokenizer.lastIndex;
+
+            if (tmp[0] === "\"" && !in_multiline_comment && !in_singleline_comment) {
+                tmp2 = lc.match(/(\\)*$/);
+                if (!in_string || !tmp2 || (tmp2[0].length % 2) === 0) {    // start of string with ", or unescaped " character found to end string
+                    in_string = !in_string;
+                }
+                from--; // include " character in next catch
+                rc = json.substring(from);
+            }
+            else if (tmp[0] === "/*" && !in_string && !in_multiline_comment && !in_singleline_comment) {
+                in_multiline_comment = true;
+            }
+            else if (tmp[0] === "*/" && !in_string && in_multiline_comment && !in_singleline_comment) {
+                in_multiline_comment = false;
+            }
+            else if (tmp[0] === "//" && !in_string && !in_multiline_comment && !in_singleline_comment) {
+                in_singleline_comment = true;
+            }
+            else if ((tmp[0] === "\n" || tmp[0] === "\r") && !in_string && !in_multiline_comment && in_singleline_comment) {
+                in_singleline_comment = false;
+            }
+            else if (!in_multiline_comment && !in_singleline_comment && !(/\n|\r|\s/.test(tmp[0]))) {
+                new_str[ns++] = tmp[0];
+            }
+        }
+        new_str[ns++] = rc;
+        return new_str.join("");
+    };
+
+    if (typeof module !== 'undefined' && module.exports) {
+        // node
+        module.exports = minify;
+        JSON.minify = minify;
+    } else {
+        // others, export global
+        if (typeof global.JSON === "undefined" || !global.JSON) {
+            global.JSON = {};
+        }
+        global.JSON.minify = minify;
+    }
+})(this);

minify.json.js

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