eapp
Version:
68 lines (65 loc) • 2.08 kB
JavaScript
/**
* 格式化代码函数,已经用原生方式写好了不需要改动,直接引用就好
* @param json
* @param options
* @returns {string}
*
* 例如：
* $("#msg1").html(formatJson(JSON.stringify(data)));
*/
var formatJson = function (json, options) {
var reg = null,
formatted = '',
pad = 0,
PADDING = ' ';
options = options || {};
options.newlineAfterColonIfBeforeBraceOrBracket = (options.newlineAfterColonIfBeforeBraceOrBracket === true) ? true : false;
options.spaceAfterColon = (options.spaceAfterColon === false) ? false : true;
if (typeof json !== 'string') {
json = JSON.stringify(json);
} else {
json = JSON.parse(json);
json = JSON.stringify(json);
}
reg = /([\{\}])/g;
json = json.replace(reg, '\r\n$1\r\n');
reg = /([\[\]])/g;
json = json.replace(reg, '\r\n$1\r\n');
reg = /(\,)/g;
json = json.replace(reg, '$1\r\n');
reg = /(\r\n\r\n)/g;
json = json.replace(reg, '\r\n');
reg = /\r\n\,/g;
json = json.replace(reg, ',');
if (!options.newlineAfterColonIfBeforeBraceOrBracket) {
reg = /\:\r\n\{/g;
json = json.replace(reg, ':{');
reg = /\:\r\n\[/g;
json = json.replace(reg, ':[');
}
if (options.spaceAfterColon) {
reg = /\:/g;
json = json.replace(reg, ':');
}
(json.split('\r\n')).forEach(function (node, index) {
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\n';
pad += indent;
}
);
return formatted;
};