json 문자열 포맷

2442 단어
function formatJson(json, options) {
    var reg = null,
        formatted = '',
        pad = 0,
        PADDING = '    '; // one can also use '\t' or a different number of spaces

    // optional settings
    options = options || {};
    // remove newline where '{' or '[' follows ':'
    options.newlineAfterColonIfBeforeBraceOrBracket = (options.newlineAfterColonIfBeforeBraceOrBracket === true) ? true : false;
    // use a space after a colon
    options.spaceAfterColon = (options.spaceAfterColon === false) ? false : true;

    // begin formatting...

    // make sure we start with the JSON as a string
    if (typeof json !== 'string') {
        json = JSON.stringify(json);
    }
    // parse and stringify in order to remove extra whitespace
    json = JSON.parse(json);
    json = JSON.stringify(json);

    // add newline before and after curly braces
    reg = /([\{\}])/g;
    json = json.replace(reg, '\r
$1\r
'); // add newline before and after square brackets reg = /([\[\]])/g; json = json.replace(reg, '\r
$1\r
'); // add newline after comma reg = /(\,)/g; json = json.replace(reg, '$1\r
'); // remove multiple newlines reg = /(\r
\r
)/g; json = json.replace(reg, '\r
'); // remove newlines before commas reg = /\r
\,/g; json = json.replace(reg, ','); // optional formatting... if (!options.newlineAfterColonIfBeforeBraceOrBracket) { reg = /\:\r
\{/g; json = json.replace(reg, ':{'); reg = /\:\r
\[/g; json = json.replace(reg, ':['); } if (options.spaceAfterColon) { reg = /\:/g; json = json.replace(reg, ': '); } $.each(json.split('\r
'), function(index, node) { var i = 0, indent = 0, padding = ''; if (node.match(/\{$/) || node.match(/\[$/)) { indent = 1; } else if (node.match(/\}/) || node.match(/\]/)) { if (pad !== 0) { pad -= 1; } } else { indent = 0; } for (i = 0; i < pad; i++) { padding += PADDING; } formatted += padding + node + '\r
'; pad += indent; }); return formatted; }

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