.config/coc/extensions/node_modules/coc-prettier/node_modules/common-tags/es/trimResultTransformer/trimResultTransformer.js

   1 /**
   2  * TemplateTag transformer that trims whitespace on the end result of a tagged template
   3  * @param  {String} side = '' - The side of the string to trim. Can be 'start' or 'end' (alternatively 'left' or 'right')
   4  * @return {Object}           - a TemplateTag transformer
   5  */
   6 var trimResultTransformer = function trimResultTransformer() {
   7   var side = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
   8   return {
   9     onEndResult: function onEndResult(endResult) {
  10       if (side === '') {
  11         return endResult.trim();
  12       }
  13
  14       side = side.toLowerCase();
  15
  16       if (side === 'start' || side === 'left') {
  17         return endResult.replace(/^\s*/, '');
  18       }
  19
  20       if (side === 'end' || side === 'right') {
  21         return endResult.replace(/\s*$/, '');
  22       }
  23
  24       throw new Error('Side not supported: ' + side);
  25     }
  26   };
  27 };
  28
  29 export default trimResultTransformer;
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