c9-core/plugins/c9.ide.language.javascript..../worker/strip-json-comments.js

67 wiersze
1.5 KiB
JavaScript

/*!
strip-json-comments
Strip comments from JSON. Lets you use comments in your JSON files!
https://github.com/sindresorhus/strip-json-comments
by Sindre Sorhus
MIT License
*/
define(function(require, exports, module) {
function stripJsonComments(str) {
var currentChar;
var nextChar;
var insideString = false;
var insideComment = false;
var ret = '';
for (var i = 0; i < str.length; i++) {
currentChar = str[i];
nextChar = str[i + 1];
if (!insideComment && str[i - 1] !== '\\' && currentChar === '"') {
insideString = !insideString;
}
if (insideString) {
ret += currentChar;
continue;
}
if (!insideComment && currentChar + nextChar === '//') {
insideComment = 'single';
i++;
} else if (insideComment === 'single' && currentChar + nextChar === '\r\n') {
insideComment = false;
i++;
ret += currentChar;
ret += nextChar;
continue;
} else if (insideComment === 'single' && currentChar === '\n') {
insideComment = false;
} else if (!insideComment && currentChar + nextChar === '/*') {
insideComment = 'multi';
i++;
continue;
} else if (insideComment === 'multi' && currentChar + nextChar === '*/') {
insideComment = false;
i++;
continue;
}
if (insideComment) {
continue;
}
ret += currentChar;
}
return ret;
}
if (typeof module !== 'undefined' && module.exports) {
module.exports = stripJsonComments;
} else {
window.stripJsonComments = stripJsonComments;
}
});