public/lib/emberjs/ember.js
function(){
        var helperParameters = this.parameters;
        var linkTextPath = helperParameters.options.linkTextPath;
        var paths = getResolvedPaths(helperParameters);
        var length = paths.length;
        var path, i, normalizedPath;

        if (linkTextPath) {
          normalizedPath = getNormalizedPath(linkTextPath, helperParameters);
          this.registerObserver(normalizedPath.root, normalizedPath.path, this, this.rerender);
        }

        for(i=0; i < length; i++) {
          path = paths[i];
          if (null === path) {
            // A literal value was provided, not a path, so nothing to observe.
            continue;
          }

          normalizedPath = getNormalizedPath(path, helperParameters);
          this.registerObserver(normalizedPath.root, normalizedPath.path, this, this._paramsChanged);
        }

        var queryParamsObject = this.queryParamsObject;
        if (queryParamsObject) {
          var values = queryParamsObject.values;

          // Install observers for all of the hash options
          // provided in the (query-params) subexpression.
          for (var k in values) {
            if (!values.hasOwnProperty(k)) { continue; }

            if (queryParamsObject.types[k] === 'ID') {
              normalizedPath = getNormalizedPath(values[k], helperParameters);
              this.registerObserver(normalizedPath.root, normalizedPath.path, this, this._paramsChanged);
            }
          }
        }
      }
function(){
        var helperParameters = this.parameters;
        var linkTextPath = helperParameters.options.linkTextPath;
        var paths = getResolvedPaths(helperParameters);
        var length = paths.length;
        var path, i, normalizedPath;

        if (linkTextPath) {
          normalizedPath = getNormalizedPath(linkTextPath, helperParameters);
          this.registerObserver(normalizedPath.root, normalizedPath.path, this, this.rerender);
        }

        for(i=0; i < length; i++) {
          path = paths[i];
          if (null === path) {
            // A literal value was provided, not a path, so nothing to observe.
            continue;
          }

          normalizedPath = getNormalizedPath(path, helperParameters);
          this.registerObserver(normalizedPath.root, normalizedPath.path, this, this._paramsChanged);
        }

        var queryParamsObject = this.queryParamsObject;
        if (queryParamsObject) {
          var values = queryParamsObject.values;

          // Install observers for all of the hash options
          // provided in the (query-params) subexpression.
          for (var k in values) {
            if (!values.hasOwnProperty(k)) { continue; }

            if (queryParamsObject.types[k] === 'ID') {
              normalizedPath = getNormalizedPath(values[k], helperParameters);
              this.registerObserver(normalizedPath.root, normalizedPath.path, this, this._paramsChanged);
            }
          }
        }
      }
function ( ) { var helperParameters = this . parameters ; var linkTextPath = helperParameters . options . linkTextPath ; var paths = getResolvedPaths ( helperParameters ) ; var length = paths . length ; var path , i , normalizedPath ; if ( linkTextPath ) { normalizedPath = getNormalizedPath ( linkTextPath , helperParameters ) ; this . registerObserver ( normalizedPath . root , normalizedPath . path , this , this . rerender ) ; } for ( i = 0 ; i < length ; i ++ ) { path = paths [ i ] ; if ( null === path ) { // A literal value was provided, not a path, so nothing to observe. continue ; } normalizedPath = getNormalizedPath ( path , helperParameters ) ; this . registerObserver ( normalizedPath . root , normalizedPath . path , this , this . _paramsChanged ) ; } var queryParamsObject = this . queryParamsObject ; if ( queryParamsObject ) { var values = queryParamsObject . values ; // Install observers for all of the hash options // provided in the (query-params) subexpression. for ( var k in values ) { if ( ! values . hasOwnProperty ( k ) ) { continue ; } if ( queryParamsObject . types [ k ] === 'ID' ) { normalizedPath = getNormalizedPath ( values [ k ] , helperParameters ) ; this . registerObserver ( normalizedPath . root , normalizedPath . path , this , this . _paramsChanged ) ; } } } }
This is called to setup observers that will trigger a rerender.

@private
@method _setupPathObservers
@since 1.3.0
This is called to setup observers that will trigger a rerender .