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

   1 var defaults = {
   2   separator: '',
   3   conjunction: '',
   4   serial: false
   5 };
   6
   7 /**
   8  * Converts an array substitution to a string containing a list
   9  * @param  {String} [opts.separator = ''] - the character that separates each item
  10  * @param  {String} [opts.conjunction = '']  - replace the last separator with this
  11  * @param  {Boolean} [opts.serial = false] - include the separator before the conjunction? (Oxford comma use-case)
  12  *
  13  * @return {Object}                     - a TemplateTag transformer
  14  */
  15 var inlineArrayTransformer = function inlineArrayTransformer() {
  16   var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : defaults;
  17   return {
  18     onSubstitution: function onSubstitution(substitution, resultSoFar) {
  19       // only operate on arrays
  20       if (Array.isArray(substitution)) {
  21         var arrayLength = substitution.length;
  22         var separator = opts.separator;
  23         var conjunction = opts.conjunction;
  24         var serial = opts.serial;
  25         // join each item in the array into a string where each item is separated by separator
  26         // be sure to maintain indentation
  27         var indent = resultSoFar.match(/(\n?[^\S\n]+)$/);
  28         if (indent) {
  29           substitution = substitution.join(separator + indent[1]);
  30         } else {
  31           substitution = substitution.join(separator + ' ');
  32         }
  33         // if conjunction is set, replace the last separator with conjunction, but only if there is more than one substitution
  34         if (conjunction && arrayLength > 1) {
  35           var separatorIndex = substitution.lastIndexOf(separator);
  36           substitution = substitution.slice(0, separatorIndex) + (serial ? separator : '') + ' ' + conjunction + substitution.slice(separatorIndex + 1);
  37         }
  38       }
  39       return substitution;
  40     }
  41   };
  42 };
  43
  44 export default inlineArrayTransformer;
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