74 lines
1.6 KiB
JavaScript
74 lines
1.6 KiB
JavaScript
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/*!
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strip-json-comments
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Strip comments from JSON. Lets you use comments in your JSON files!
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https://github.com/sindresorhus/strip-json-comments
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by Sindre Sorhus
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MIT License
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*/
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(function () {
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'use strict';
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var singleComment = 1;
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var multiComment = 2;
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function stripJsonComments(str) {
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var currentChar;
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var nextChar;
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var insideString = false;
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var insideComment = false;
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var ret = '';
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for (var i = 0; i < str.length; i++) {
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currentChar = str[i];
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nextChar = str[i + 1];
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if (!insideComment && currentChar === '"') {
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var escaped = str[i - 1] === '\\' && str[i - 2] !== '\\';
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if (!insideComment && !escaped && currentChar === '"') {
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insideString = !insideString;
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}
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}
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if (insideString) {
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ret += currentChar;
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continue;
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}
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if (!insideComment && currentChar + nextChar === '//') {
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insideComment = singleComment;
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i++;
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} else if (insideComment === singleComment && currentChar + nextChar === '\r\n') {
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insideComment = false;
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i++;
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ret += currentChar;
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ret += nextChar;
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continue;
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} else if (insideComment === singleComment && currentChar === '\n') {
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insideComment = false;
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} else if (!insideComment && currentChar + nextChar === '/*') {
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insideComment = multiComment;
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i++;
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continue;
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} else if (insideComment === multiComment && currentChar + nextChar === '*/') {
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insideComment = false;
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i++;
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continue;
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}
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if (insideComment) {
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continue;
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}
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ret += currentChar;
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}
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return ret;
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}
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if (typeof module !== 'undefined' && module.exports) {
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module.exports = stripJsonComments;
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} else {
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window.stripJsonComments = stripJsonComments;
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}
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})();
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