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Name	Size	Permission
.DS_Store	6 KB	-rw-rw-r--
compilers.js	3.91 KB	-rw-rw-r--
extglob.js	1.69 KB	-rw-rw-r--
parsers.js	3.1 KB	-rw-rw-r--
utils.js	1.24 KB	-rw-rw-r--

Code Editor : utils.js

'use strict';

var regex = require('regex-not');
var Cache = require('fragment-cache');

/**
 * Utils
 */

var utils = module.exports;
var cache = utils.cache = new Cache();

/**
 * Cast `val` to an array
 * @return {Array}
 */

utils.arrayify = function(val) {
  if (!Array.isArray(val)) {
    return [val];
  }
  return val;
};

/**
 * Memoize a generated regex or function
 */

utils.memoize = function(type, pattern, options, fn) {
  var key = utils.createKey(type + pattern, options);

if (cache.has(type, key)) {
    return cache.get(type, key);
  }

var val = fn(pattern, options);
  if (options && options.cache === false) {
    return val;
  }

cache.set(type, key, val);
  return val;
};

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

utils.createKey = function(pattern, options) {
  var key = pattern;
  if (typeof options === 'undefined') {
    return key;
  }
  for (var prop in options) {
    key += ';' + prop + '=' + String(options[prop]);
  }
  return key;
};

/**
 * Create the regex to use for matching text
 */

utils.createRegex = function(str) {
  var opts = {contains: true, strictClose: false};
  return regex(str, opts);
};

Urban Research Lab

The Urban Research Lab (URL) at IIIT-Delhi was established in 2020, during a time when the pandemic brought the complexities of urban life more visible than ever. What started as an initiative by faculty and students has grown into a collaborative space for critically exploring and reimagining the urban questions through research, dialogue, and interdisciplinary engagement.

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Code Editor : utils.js

Urban Research Lab