dist/angular-bootstrap-switch.js
function(attrName) {
          var map = {
            'switchRadioOff': getBooleanFromStringDefTrue,
            'switchActive': function(value) {
              return !getBooleanFromStringDefTrue(value);
            },
            'switchAnimate': getBooleanFromStringDefTrue,
            'switchLabel': function(value) {
              return value ? value : '&nbsp;';
            },
            'switchIcon': function(value) {
              if (value) {
                return '<span class=\'' + value + '\'></span>';
              }
            },
            'switchWrapper': function(value) {
              return value || 'wrapper';
            },
            'switchInverse': getBooleanFromString,
            'switchReadonly': getBooleanFromString,
            'switchChange': getExprFromString
          };
          var transFn = map[attrName] || getValueOrUndefined;
          return transFn(attrs[attrName]);
        }
function(attrName) {
          var map = {
            'switchRadioOff': getBooleanFromStringDefTrue,
            'switchActive': function(value) {
              return !getBooleanFromStringDefTrue(value);
            },
            'switchAnimate': getBooleanFromStringDefTrue,
            'switchLabel': function(value) {
              return value ? value : '&nbsp;';
            },
            'switchIcon': function(value) {
              if (value) {
                return '<span class=\'' + value + '\'></span>';
              }
            },
            'switchWrapper': function(value) {
              return value || 'wrapper';
            },
            'switchInverse': getBooleanFromString,
            'switchReadonly': getBooleanFromString,
            'switchChange': getExprFromString
          };
          var transFn = map[attrName] || getValueOrUndefined;
          return transFn(attrs[attrName]);
        }
Get the value of the angular-bound attribute, given its name.
The returned value may or may not equal the attribute value, as it may be transformed by a function.

@param attrName  The angular-bound attribute name to get the value for
@returns {*}     The attribute value