Waldo JS -- Find Strings in JS DOM

waldo.js

/*
Author: Angus Croll
Found at: https://javascriptweblog.wordpress.com/2011/07/11/waldo-search-the-javascript-runtime-in-under-1-kb/

MINIFIED AS A BOOKMARKLET:
javascript:(function(){var c=function(d,e,f){var f=f||{};var i=f.obj||window;var h=f.path||((i==window)?"window":"");var g=Object.keys(i);g.forEach(function(j){if((b[d]||d)(e,i,j)){console.log([h,".",j].join(""),"->",["(",typeof i[j],")"].join(""),i[j])}if(Object.prototype.toString.call(i[j])=="[object Object]"&&(i[j]!=i)&&h.split(".").indexOf(j)==-1){c(d,e,{obj:i[j],path:[h,j].join(".")})}})};var a=function(d,g,e,f){(!g||typeof e==g)?c(d,e,f):console.error([e,"must be",g].join(" "))};var b={name:function(d,e,f){return d==f},nameContains:function(d,e,f){return f.indexOf(d)>-1},type:function(d,e,f){return e[f] instanceof d},value:function(d,e,f){return e[f]===d},valueCoerced:function(d,e,f){return e[f]==d}};window.find={byName:function(d,e){a("name","string",d,e)},byNameContains:function(d,e){a("nameContains","string",d,e)},byType:function(d,e){a("type","function",d,e)},byValue:function(d,e){a("value",null,d,e)},byValueCoerced:function(d,e){a("valueCoerced",null,d,e)},custom:function(e,d){c(e,null,d)}}})();
*/

(function(){
  var traverse = function(util, searchTerm, options) {
    var options = options || {};
    var obj = options.obj || window;
    var path = options.path || ((obj==window) ? "window" : "");
    var props = Object.keys(obj);
    props.forEach(function(prop) {
      if ((tests[util] || util)(searchTerm, obj, prop)){
        console.log([path, ".", prop].join(""), "->",["(", typeof obj[prop], ")"].join(""), obj[prop]);
      }
      if(Object.prototype.toString.call(obj[prop])=="[object Object]" &&
          (obj[prop] != obj) && path.split(".").indexOf(prop) == -1) {
        traverse(util, searchTerm, {obj: obj[prop], path: [path,prop].join(".")});
      }
    });
  }
 
  var dealWithIt = function(util, expected, searchTerm, options) {
    (!expected || typeof searchTerm == expected) ?
      traverse(util, searchTerm, options) :
      console.error([searchTerm, 'must be', expected].join(' '));
  }
 
  var tests = {
    'name': function(searchTerm, obj, prop) {return searchTerm == prop},
    'nameContains': function(searchTerm, obj, prop) {return prop.indexOf(searchTerm)>-1},
    'type': function(searchTerm, obj, prop) {return obj[prop] instanceof searchTerm},
    'value': function(searchTerm, obj, prop) {return obj[prop] === searchTerm},
    'valueCoerced': function(searchTerm, obj, prop) {return obj[prop] == searchTerm}
  }
 
  window.find={
    byName: function(searchTerm, options) {dealWithIt('name', 'string', searchTerm, options);},
    byNameContains: function(searchTerm, options) {dealWithIt('nameContains', 'string', searchTerm, options);},
    byType: function(searchTerm, options) {dealWithIt('type', 'function', searchTerm, options);},
    byValue: function(searchTerm, options) {dealWithIt('value', null, searchTerm, options);},
    byValueCoerced: function(searchTerm, options) {dealWithIt('valueCoerced', null, searchTerm, options);},
    custom: function(fn, options) {traverse(fn, null, options);}
  }
})();