Acme.BookStore.HttpApi.Host/node_modules/braces/lib/utils.js

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'use strict';

var splitString = require('split-string');
var utils = module.exports;

/**
 * Module dependencies
 */

utils.extend = require('extend-shallow');
utils.flatten = require('arr-flatten');
utils.isObject = require('isobject');
utils.fillRange = require('fill-range');
utils.repeat = require('repeat-element');
utils.unique = require('array-unique');

utils.define = function(obj, key, val) {
  Object.defineProperty(obj, key, {
    writable: true,
    configurable: true,
    enumerable: false,
    value: val
  });
};

/**
 * Returns true if the given string contains only empty brace sets.
 */

utils.isEmptySets = function(str) {
  return /^(?:\{,\})+$/.test(str);
};

/**
 * Returns true if the given string contains only empty brace sets.
 */

utils.isQuotedString = function(str) {
  var open = str.charAt(0);
  if (open === '\'' || open === '"' || open === '`') {
    return str.slice(-1) === open;
  }
  return false;
};

/**
 * Create the key to use for memoization. The unique key is generated
 * by iterating over the options and concatenating key-value pairs
 * to the pattern string.
 */

utils.createKey = function(pattern, options) {
  var id = pattern;
  if (typeof options === 'undefined') {
    return id;
  }
  var keys = Object.keys(options);
  for (var i = 0; i < keys.length; i++) {
    var key = keys[i];
    id += ';' + key + '=' + String(options[key]);