.config/coc/extensions/node_modules/coc-prettier/node_modules/rc/node_modules/strip-json-comments/index.js

   1 'use strict';
   2 var singleComment = 1;
   3 var multiComment = 2;
   4
   5 function stripWithoutWhitespace() {
   6         return '';
   7 }
   8
   9 function stripWithWhitespace(str, start, end) {
  10         return str.slice(start, end).replace(/\S/g, ' ');
  11 }
  12
  13 module.exports = function (str, opts) {
  14         opts = opts || {};
  15
  16         var currentChar;
  17         var nextChar;
  18         var insideString = false;
  19         var insideComment = false;
  20         var offset = 0;
  21         var ret = '';
  22         var strip = opts.whitespace === false ? stripWithoutWhitespace : stripWithWhitespace;
  23
  24         for (var i = 0; i < str.length; i++) {
  25                 currentChar = str[i];
  26                 nextChar = str[i + 1];
  27
  28                 if (!insideComment && currentChar === '"') {
  29                         var escaped = str[i - 1] === '\\' && str[i - 2] !== '\\';
  30                         if (!escaped) {
  31                                 insideString = !insideString;
  32                         }
  33                 }
  34
  35                 if (insideString) {
  36                         continue;
  37                 }
  38
  39                 if (!insideComment && currentChar + nextChar === '//') {
  40                         ret += str.slice(offset, i);
  41                         offset = i;
  42                         insideComment = singleComment;
  43                         i++;
  44                 } else if (insideComment === singleComment && currentChar + nextChar === '\r\n') {
  45                         i++;
  46                         insideComment = false;
  47                         ret += strip(str, offset, i);
  48                         offset = i;
  49                         continue;
  50                 } else if (insideComment === singleComment && currentChar === '\n') {
  51                         insideComment = false;
  52                         ret += strip(str, offset, i);
  53                         offset = i;
  54                 } else if (!insideComment && currentChar + nextChar === '/*') {
  55                         ret += str.slice(offset, i);
  56                         offset = i;
  57                         insideComment = multiComment;
  58                         i++;
  59                         continue;
  60                 } else if (insideComment === multiComment && currentChar + nextChar === '*/') {
  61                         i++;
  62                         insideComment = false;
  63                         ret += strip(str, offset, i + 1);
  64                         offset = i + 1;
  65                         continue;
  66                 }
  67         }
  68
  69         return ret + (insideComment ? strip(str.substr(offset)) : str.substr(offset));
  70 };