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minify.json.js

Maintainability

48.77

Lines of code

81

Created with Raphaël 2.1.002550751002013-9-302013-9-302013-9-302013-9-302013-9-302013-9-302013-9-30Maintainability: 48.77

Created with Raphaël 2.1.00204161812013-9-302013-9-302013-9-302013-9-302013-9-302013-9-302013-9-30Lines of Code: 81

Difficulty

32.34

Estimated Errors

0.62

Function weight

By Complexity

Created with Raphaël 2.1.0minify14

By SLOC

Created with Raphaël 2.1.0<anonymous>81
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/*! JSON.minify()
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    v0.1 (c) Kyle Simpson
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    MIT License
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*/
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/**
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 * @name minify.json.js
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 * @author Kei Funagayama <kei.topaz@gmail.com
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 * @overview JSON.minify
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 */
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/**
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 * @namespace JSON
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 */
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(function(global){
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    'use strict';
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    /**
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     * @function
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     * @memberof JSON
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     * @param {Object} Transformed data. format) json-like
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     * @return {String}
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     *
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     * @example
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     * var json = { // hoge
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     *     "foo": "bar",// this is cool
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     *     "bar": [
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     *         "baz", "bum", "zam"   // this is cool
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     *     ]
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     * } // hoge
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     *
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     */
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    var minify = function (json) {
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        var tokenizer = /"|(\/\*)|(\*\/)|(\/\/)|\n|\r/g,
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            in_string = false,
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            in_multiline_comment = false,
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            in_singleline_comment = false,
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            tmp, tmp2, new_str = [], ns = 0, from = 0, lc, rc
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        ;
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        tokenizer.lastIndex = 0;
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        while ( tmp = tokenizer.exec(json) ) {
Column: 44 "Expected a conditional expression and instead saw an assignment."
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            lc = RegExp.leftContext;
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            rc = RegExp.rightContext;
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            if (!in_multiline_comment && !in_singleline_comment) {
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                tmp2 = lc.substring(from);
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                if (!in_string) {
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                    tmp2 = tmp2.replace(/(\n|\r|\s)*/g,"");
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                }
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                new_str[ns++] = tmp2;
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            }
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            from = tokenizer.lastIndex;
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            if (tmp[0] === "\"" && !in_multiline_comment && !in_singleline_comment) {
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                tmp2 = lc.match(/(\\)*$/);
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                if (!in_string || !tmp2 || (tmp2[0].length % 2) === 0) {    // start of string with ", or unescaped " character found to end string
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                    in_string = !in_string;
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                }
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                from--; // include " character in next catch
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                rc = json.substring(from);
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            }
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            else if (tmp[0] === "/*" && !in_string && !in_multiline_comment && !in_singleline_comment) {
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                in_multiline_comment = true;
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            }
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            else if (tmp[0] === "*/" && !in_string && in_multiline_comment && !in_singleline_comment) {
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                in_multiline_comment = false;
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            }
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            else if (tmp[0] === "//" && !in_string && !in_multiline_comment && !in_singleline_comment) {
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                in_singleline_comment = true;
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            }
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            else if ((tmp[0] === "\n" || tmp[0] === "\r") && !in_string && !in_multiline_comment && in_singleline_comment) {
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                in_singleline_comment = false;
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            }
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            else if (!in_multiline_comment && !in_singleline_comment && !(/\n|\r|\s/.test(tmp[0]))) {
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                new_str[ns++] = tmp[0];
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            }
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        }
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        new_str[ns++] = rc;
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        return new_str.join("");
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    };
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    if (typeof module !== 'undefined' && module.exports) {
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        // node
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        module.exports = minify;
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        JSON.minify = minify;
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    } else {
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        // others, export global
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        if (typeof global.JSON === "undefined" || !global.JSON) {
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            global.JSON = {};
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        }
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        global.JSON.minify = minify;
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    }
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})(this);