Function addTextInterpolateDirective

test/angular/1.2/angular.js:7026–7050

(directives, text)

      function addTextInterpolateDirective(directives, text) {
        var interpolateFn = $interpolate(text, true);
        if (interpolateFn) {
          directives.push({
            priority: 0,
            compile: function textInterpolateCompileFn(templateNode) {
              // when transcluding a template that has bindings in the root
              // then we don't have a parent and should do this in the linkFn
              var parent = templateNode.parent(), hasCompileParent = parent.length;
              if (hasCompileParent) safeAddClass(templateNode.parent(), 'ng-binding');

              return function textInterpolateLinkFn(scope, node) {
                var parent = node.parent(),
                  bindings = parent.data('$binding') || [];
                bindings.push(interpolateFn);
                parent.data('$binding', bindings);
                if (!hasCompileParent) safeAddClass(parent, 'ng-binding');
                scope.$watch(interpolateFn, function interpolateFnWatchAction(value) {
                  node[0].nodeValue = value;
                });
              };
            }
          });
        }
      }


    function getTrustedContext(node, attrNormalizedName) {