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Instructables All Steps

Redirects to view all steps on Instructables projects.

  1. // ==UserScript==
  2. // @name        Instructables All Steps
  3. // @namespace   instructablesallsteps
  4. // @description	Redirects to view all steps on Instructables projects.
  5. // @include     http://*.instructables.com/id/*
  6. // @include     https://*.instructables.com/id/*
  7. // @version     0.1
  8. // @grant       none
  9. // ==/UserScript==
  10. (function () {
  11.   var currentLocation = window.location;
  12.   if (!containsQueryParameter(currentLocation, 'ALLSTEPS')) {
  13.     newLocation = addQueryParameter(currentLocation, 'ALLSTEPS', null);
  14.     currentLocation.replace(newLocation);
  15.   }
  16.   
  17.   function containsQueryParameter(location, key) {
  18.     return containsCaseInsensitive(location.search, key);
  19.   }
  20.   function addQueryParameter(location, key, value) {
  21.     var separator = '';
  22.     if (!containsQueryStringSeparator(location)) {
  23.       separator = '?';
  24.     } else if (containsQueryParameters(location)) {
  25.       separator = '&';
  26.     }
  27.     return location.href + separator + key + '=' + value;
  28.   }
  29.   function containsQueryStringSeparator(location) {
  30.     return contains(location.href, '?');
  31.   }
  32.   function containsQueryParameters(location) {
  33.     return location.search != '';
  34.   }
  35.   function contains(value, substring) {
  36.     return value.indexOf(substring) != - 1;
  37.   }
  38.   function containsCaseInsensitive(value, substring) {
  39.     return value.search(new RegExp(substring, 'i')) != - 1;
  40.   }
  41. }) ();