travel/admin/node_modules/jsonlint/lib/formatter.js

92 lines
2.7 KiB
JavaScript

#!/usr/bin/env node
/**
* Manual formatter taken straight from https://github.com/umbrae/jsonlintdotcom
**/
/*jslint white: true, devel: true, onevar: true, browser: true, undef: true, nomen: true, regexp: true, plusplus: false, bitwise: true, newcap: true, maxerr: 50, indent: 4 */
/**
* jsl.format - Provide json reformatting in a character-by-character approach, so that even invalid JSON may be reformatted (to the best of its ability).
*
**/
var formatter = (function () {
function repeat(s, count) {
return new Array(count + 1).join(s);
}
function formatJson(json, indentChars) {
var i = 0,
il = 0,
tab = (typeof indentChars !== "undefined") ? indentChars : " ",
newJson = "",
indentLevel = 0,
inString = false,
currentChar = null;
for (i = 0, il = json.length; i < il; i += 1) {
currentChar = json.charAt(i);
switch (currentChar) {
case '{':
case '[':
if (!inString) {
newJson += currentChar + "\n" + repeat(tab, indentLevel + 1);
indentLevel += 1;
} else {
newJson += currentChar;
}
break;
case '}':
case ']':
if (!inString) {
indentLevel -= 1;
newJson += "\n" + repeat(tab, indentLevel) + currentChar;
} else {
newJson += currentChar;
}
break;
case ',':
if (!inString) {
newJson += ",\n" + repeat(tab, indentLevel);
} else {
newJson += currentChar;
}
break;
case ':':
if (!inString) {
newJson += ": ";
} else {
newJson += currentChar;
}
break;
case ' ':
case "\n":
case "\t":
if (inString) {
newJson += currentChar;
}
break;
case '"':
if (i > 0 && json.charAt(i - 1) !== '\\') {
inString = !inString;
}
newJson += currentChar;
break;
default:
newJson += currentChar;
break;
}
}
return newJson;
}
return { "formatJson": formatJson };
}());
if (typeof require !== 'undefined' && typeof exports !== 'undefined') {
exports.formatter = formatter;
}