node/tools/eslint/node_modules/strip-json-comments/strip-json-comments.js
Yosuke Furukawa f9dd34d301 tools: replace closure-linter with eslint
PR-URL: https://github.com/iojs/io.js/pull/1539
Fixes: https://github.com/iojs/io.js/issues/1253
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
2015-05-09 12:09:52 +09:00

68 lines
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
*/
(function () {
'use strict';
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;
}
})();