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

   1 'use strict';
   2
   3 Object.defineProperty(exports, "__esModule", {
   4   value: true
   5 });
   6 var defaults = {
   7   separator: '',
   8   conjunction: '',
   9   serial: false
  10 };
  11
  12 /**
  13  * Converts an array substitution to a string containing a list
  14  * @param  {String} [opts.separator = ''] - the character that separates each item
  15  * @param  {String} [opts.conjunction = '']  - replace the last separator with this
  16  * @param  {Boolean} [opts.serial = false] - include the separator before the conjunction? (Oxford comma use-case)
  17  *
  18  * @return {Object}                     - a TemplateTag transformer
  19  */
  20 var inlineArrayTransformer = function inlineArrayTransformer() {
  21   var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : defaults;
  22   return {
  23     onSubstitution: function onSubstitution(substitution, resultSoFar) {
  24       // only operate on arrays
  25       if (Array.isArray(substitution)) {
  26         var arrayLength = substitution.length;
  27         var separator = opts.separator;
  28         var conjunction = opts.conjunction;
  29         var serial = opts.serial;
  30         // join each item in the array into a string where each item is separated by separator
  31         // be sure to maintain indentation
  32         var indent = resultSoFar.match(/(\n?[^\S\n]+)$/);
  33         if (indent) {
  34           substitution = substitution.join(separator + indent[1]);
  35         } else {
  36           substitution = substitution.join(separator + ' ');
  37         }
  38         // if conjunction is set, replace the last separator with conjunction, but only if there is more than one substitution
  39         if (conjunction && arrayLength > 1) {
  40           var separatorIndex = substitution.lastIndexOf(separator);
  41           substitution = substitution.slice(0, separatorIndex) + (serial ? separator : '') + ' ' + conjunction + substitution.slice(separatorIndex + 1);
  42         }
  43       }
  44       return substitution;
  45     }
  46   };
  47 };
  48
  49 exports.default = inlineArrayTransformer;
  50 module.exports = exports['default'];
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